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<span> [<a href="https://arxiv.org/pdf/2407.21663">pdf</a>, <a href="https://arxiv.org/format/2407.21663">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> </div> <p class="title is-5 mathjax"> Exploring atmospheric neutrino oscillations at ESSnuSB </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=ESSnuSB"> ESSnuSB</a>, <a href="/search/hep-ex?searchtype=author&query=%3A"> :</a>, <a href="/search/hep-ex?searchtype=author&query=Aguilar%2C+J">J. Aguilar</a>, <a href="/search/hep-ex?searchtype=author&query=Anastasopoulos%2C+M">M. Anastasopoulos</a>, <a href="/search/hep-ex?searchtype=author&query=Baussan%2C+E">E. Baussan</a>, <a href="/search/hep-ex?searchtype=author&query=Bhattacharyya%2C+A+K">A. K. Bhattacharyya</a>, <a href="/search/hep-ex?searchtype=author&query=Bignami%2C+A">A. Bignami</a>, <a href="/search/hep-ex?searchtype=author&query=Blennow%2C+M">M. Blennow</a>, <a href="/search/hep-ex?searchtype=author&query=Bogomilov%2C+M">M. Bogomilov</a>, <a href="/search/hep-ex?searchtype=author&query=Bolling%2C+B">B. Bolling</a>, <a href="/search/hep-ex?searchtype=author&query=Bouquerel%2C+E">E. Bouquerel</a>, <a href="/search/hep-ex?searchtype=author&query=Bramati%2C+F">F. Bramati</a>, <a href="/search/hep-ex?searchtype=author&query=Branca%2C+A">A. Branca</a>, <a href="/search/hep-ex?searchtype=author&query=Brunetti%2C+G">G. Brunetti</a>, <a href="/search/hep-ex?searchtype=author&query=Bustinduy%2C+I">I. Bustinduy</a>, <a href="/search/hep-ex?searchtype=author&query=Carlile%2C+C+J">C. J. Carlile</a>, <a href="/search/hep-ex?searchtype=author&query=Cederkall%2C+J">J. Cederkall</a>, <a href="/search/hep-ex?searchtype=author&query=Choi%2C+T+W">T. W. Choi</a>, <a href="/search/hep-ex?searchtype=author&query=Choubey%2C+S">S. Choubey</a>, <a href="/search/hep-ex?searchtype=author&query=Christiansen%2C+P">P. Christiansen</a>, <a href="/search/hep-ex?searchtype=author&query=Collins%2C+M">M. Collins</a>, <a href="/search/hep-ex?searchtype=author&query=Morales%2C+E+C">E. Cristaldo Morales</a>, <a href="/search/hep-ex?searchtype=author&query=Cupia%C5%82%2C+P">P. Cupia艂</a>, <a href="/search/hep-ex?searchtype=author&query=Danared%2C+H">H. Danared</a>, <a href="/search/hep-ex?searchtype=author&query=de+Andr%C3%A9%2C+J+P+A+M">J. P. A. M. de Andr茅</a> , et al. (64 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2407.21663v2-abstract-short" style="display: inline;"> This study provides an analysis of atmospheric neutrino oscillations at the ESSnuSB far detector facility. The prospects of the two cylindrical Water Cherenkov detectors with a total fiducial mass of 540 kt are investigated over 10 years of data taking in the standard three-flavor oscillation scenario. We present the confidence intervals for the determination of mass ordering, $胃_{23}$ octant as w… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2407.21663v2-abstract-full').style.display = 'inline'; document.getElementById('2407.21663v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2407.21663v2-abstract-full" style="display: none;"> This study provides an analysis of atmospheric neutrino oscillations at the ESSnuSB far detector facility. The prospects of the two cylindrical Water Cherenkov detectors with a total fiducial mass of 540 kt are investigated over 10 years of data taking in the standard three-flavor oscillation scenario. We present the confidence intervals for the determination of mass ordering, $胃_{23}$ octant as well as for the precisions on $\sin^2胃_{23}$ and $|螖m_{31}^2|$. It is shown that mass ordering can be resolved by $3蟽$ CL ($5蟽$ CL) after 4 years (10 years) regardless of the true neutrino mass ordering. Correspondingly, the wrong $胃_{23}$ octant could be excluded by $3蟽$ CL after 4 years (8 years) in the case where the true neutrino mass ordering is normal ordering (inverted ordering). The results presented in this work are complementary to the accelerator neutrino program in the ESSnuSB project. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2407.21663v2-abstract-full').style.display = 'none'; document.getElementById('2407.21663v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 9 October, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 31 July, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">14 pages, 7 figures and 2 tables, accepted for publication in the Journal of High Energy Physics</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2405.17792">arXiv:2405.17792</a> <span> [<a href="https://arxiv.org/pdf/2405.17792">pdf</a>, <a href="https://arxiv.org/format/2405.17792">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> </div> <p class="title is-5 mathjax"> JUNO Sensitivity to Invisible Decay Modes of Neutrons </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=JUNO+Collaboration"> JUNO Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abusleme%2C+A">Angel Abusleme</a>, <a href="/search/hep-ex?searchtype=author&query=Adam%2C+T">Thomas Adam</a>, <a href="/search/hep-ex?searchtype=author&query=Adamowicz%2C+K">Kai Adamowicz</a>, <a href="/search/hep-ex?searchtype=author&query=Ahmad%2C+S">Shakeel Ahmad</a>, <a href="/search/hep-ex?searchtype=author&query=Ahmed%2C+R">Rizwan Ahmed</a>, <a href="/search/hep-ex?searchtype=author&query=Aiello%2C+S">Sebastiano Aiello</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+F">Fengpeng An</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+Q">Qi An</a>, <a href="/search/hep-ex?searchtype=author&query=Andronico%2C+G">Giuseppe Andronico</a>, <a href="/search/hep-ex?searchtype=author&query=Anfimov%2C+N">Nikolay Anfimov</a>, <a href="/search/hep-ex?searchtype=author&query=Antonelli%2C+V">Vito Antonelli</a>, <a href="/search/hep-ex?searchtype=author&query=Antoshkina%2C+T">Tatiana Antoshkina</a>, <a href="/search/hep-ex?searchtype=author&query=de+Andr%C3%A9%2C+J+P+A+M">Jo茫o Pedro Athayde Marcondes de Andr茅</a>, <a href="/search/hep-ex?searchtype=author&query=Auguste%2C+D">Didier Auguste</a>, <a href="/search/hep-ex?searchtype=author&query=Bai%2C+W">Weidong Bai</a>, <a href="/search/hep-ex?searchtype=author&query=Balashov%2C+N">Nikita Balashov</a>, <a href="/search/hep-ex?searchtype=author&query=Baldini%2C+W">Wander Baldini</a>, <a href="/search/hep-ex?searchtype=author&query=Barresi%2C+A">Andrea Barresi</a>, <a href="/search/hep-ex?searchtype=author&query=Basilico%2C+D">Davide Basilico</a>, <a href="/search/hep-ex?searchtype=author&query=Baussan%2C+E">Eric Baussan</a>, <a href="/search/hep-ex?searchtype=author&query=Bellato%2C+M">Marco Bellato</a>, <a href="/search/hep-ex?searchtype=author&query=Beretta%2C+M">Marco Beretta</a>, <a href="/search/hep-ex?searchtype=author&query=Bergnoli%2C+A">Antonio Bergnoli</a>, <a href="/search/hep-ex?searchtype=author&query=Bick%2C+D">Daniel Bick</a> , et al. (635 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2405.17792v1-abstract-short" style="display: inline;"> We explore the bound neutrons decay into invisible particles (e.g., $n\rightarrow 3 谓$ or $nn \rightarrow 2 谓$) in the JUNO liquid scintillator detector. The invisible decay includes two decay modes: $ n \rightarrow { inv} $ and $ nn \rightarrow { inv} $. The invisible decays of $s$-shell neutrons in $^{12}{\rm C}$ will leave a highly excited residual nucleus. Subsequently, some de-excitation mode… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2405.17792v1-abstract-full').style.display = 'inline'; document.getElementById('2405.17792v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2405.17792v1-abstract-full" style="display: none;"> We explore the bound neutrons decay into invisible particles (e.g., $n\rightarrow 3 谓$ or $nn \rightarrow 2 谓$) in the JUNO liquid scintillator detector. The invisible decay includes two decay modes: $ n \rightarrow { inv} $ and $ nn \rightarrow { inv} $. The invisible decays of $s$-shell neutrons in $^{12}{\rm C}$ will leave a highly excited residual nucleus. Subsequently, some de-excitation modes of the excited residual nuclei can produce a time- and space-correlated triple coincidence signal in the JUNO detector. Based on a full Monte Carlo simulation informed with the latest available data, we estimate all backgrounds, including inverse beta decay events of the reactor antineutrino $\bar谓_e$, natural radioactivity, cosmogenic isotopes and neutral current interactions of atmospheric neutrinos. Pulse shape discrimination and multivariate analysis techniques are employed to further suppress backgrounds. With two years of exposure, JUNO is expected to give an order of magnitude improvement compared to the current best limits. After 10 years of data taking, the JUNO expected sensitivities at a 90% confidence level are $蟿/B( n \rightarrow { inv} ) > 5.0 \times 10^{31} \, {\rm yr}$ and $蟿/B( nn \rightarrow { inv} ) > 1.4 \times 10^{32} \, {\rm yr}$. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2405.17792v1-abstract-full').style.display = 'none'; document.getElementById('2405.17792v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 27 May, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">28 pages, 7 figures, 4 tables</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2404.17559">arXiv:2404.17559</a> <span> [<a href="https://arxiv.org/pdf/2404.17559">pdf</a>, <a href="https://arxiv.org/format/2404.17559">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1007/JHEP08(2024)063">10.1007/JHEP08(2024)063 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Decoherence in Neutrino Oscillation at the ESSnuSB Experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=ESSnuSB"> ESSnuSB</a>, <a href="/search/hep-ex?searchtype=author&query=%3A"> :</a>, <a href="/search/hep-ex?searchtype=author&query=Aguilar%2C+J">J. Aguilar</a>, <a href="/search/hep-ex?searchtype=author&query=Anastasopoulos%2C+M">M. Anastasopoulos</a>, <a href="/search/hep-ex?searchtype=author&query=Baussan%2C+E">E. Baussan</a>, <a href="/search/hep-ex?searchtype=author&query=Bhattacharyya%2C+A+K">A. K. Bhattacharyya</a>, <a href="/search/hep-ex?searchtype=author&query=Bignami%2C+A">A. Bignami</a>, <a href="/search/hep-ex?searchtype=author&query=Blennow%2C+M">M. Blennow</a>, <a href="/search/hep-ex?searchtype=author&query=Bogomilov%2C+M">M. Bogomilov</a>, <a href="/search/hep-ex?searchtype=author&query=Bolling%2C+B">B. Bolling</a>, <a href="/search/hep-ex?searchtype=author&query=Bouquerel%2C+E">E. Bouquerel</a>, <a href="/search/hep-ex?searchtype=author&query=Bramati%2C+F">F. Bramati</a>, <a href="/search/hep-ex?searchtype=author&query=Branca%2C+A">A. Branca</a>, <a href="/search/hep-ex?searchtype=author&query=Brunetti%2C+G">G. Brunetti</a>, <a href="/search/hep-ex?searchtype=author&query=Bustinduy%2C+I">I. Bustinduy</a>, <a href="/search/hep-ex?searchtype=author&query=Carlile%2C+C+J">C. J. Carlile</a>, <a href="/search/hep-ex?searchtype=author&query=Cederkall%2C+J">J. Cederkall</a>, <a href="/search/hep-ex?searchtype=author&query=Choi%2C+T+W">T. W. Choi</a>, <a href="/search/hep-ex?searchtype=author&query=Choubey%2C+S">S. Choubey</a>, <a href="/search/hep-ex?searchtype=author&query=Christiansen%2C+P">P. Christiansen</a>, <a href="/search/hep-ex?searchtype=author&query=Collins%2C+M">M. Collins</a>, <a href="/search/hep-ex?searchtype=author&query=Morales%2C+E+C">E. Cristaldo Morales</a>, <a href="/search/hep-ex?searchtype=author&query=Cupia%C5%82%2C+P">P. Cupia艂</a>, <a href="/search/hep-ex?searchtype=author&query=Danared%2C+H">H. Danared</a>, <a href="/search/hep-ex?searchtype=author&query=Dancila%2C+D">D. Dancila</a> , et al. (72 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2404.17559v2-abstract-short" style="display: inline;"> Neutrino oscillation experiments provide a unique window in exploring several new physics scenarios beyond the standard three flavour. One such scenario is quantum decoherence in neutrino oscillation which tends to destroy the interference pattern of neutrinos reaching the far detector from the source. In this work, we study the decoherence in neutrino oscillation in the context of the ESSnuSB exp… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2404.17559v2-abstract-full').style.display = 'inline'; document.getElementById('2404.17559v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2404.17559v2-abstract-full" style="display: none;"> Neutrino oscillation experiments provide a unique window in exploring several new physics scenarios beyond the standard three flavour. One such scenario is quantum decoherence in neutrino oscillation which tends to destroy the interference pattern of neutrinos reaching the far detector from the source. In this work, we study the decoherence in neutrino oscillation in the context of the ESSnuSB experiment. We consider the energy-independent decoherence parameter and derive the analytical expressions for P$_{渭e}$ and P$_{渭渭}$ probabilities in vacuum. We have computed the capability of ESSnuSB to put bounds on the decoherence parameters namely, $螕_{21}$ and $螕_{32}$ and found that the constraints on $螕_{21}$ are competitive compared to the DUNE bounds and better than the most stringent LBL ones from MINOS/MINOS+. We have also investigated the impact of decoherence on the ESSnuSB measurement of the Dirac CP phase $未_{\rm CP}$ and concluded that it remains robust in the presence of new physics. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2404.17559v2-abstract-full').style.display = 'none'; document.getElementById('2404.17559v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 2 August, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 26 April, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">30 pages, 9 figures, 2 tables, Version accepted for publication in JHEP</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> JHEP 08 (2024) 063 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2310.10749">arXiv:2310.10749</a> <span> [<a href="https://arxiv.org/pdf/2310.10749">pdf</a>, <a href="https://arxiv.org/format/2310.10749">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> </div> <p class="title is-5 mathjax"> Study of non-standard interaction mediated by a scalar field at ESSnuSB experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=ESSnuSB"> ESSnuSB</a>, <a href="/search/hep-ex?searchtype=author&query=%3A"> :</a>, <a href="/search/hep-ex?searchtype=author&query=Aguilar%2C+J">J. Aguilar</a>, <a href="/search/hep-ex?searchtype=author&query=Anastasopoulos%2C+M">M. Anastasopoulos</a>, <a href="/search/hep-ex?searchtype=author&query=Baussan%2C+E">E. Baussan</a>, <a href="/search/hep-ex?searchtype=author&query=Bhattacharyya%2C+A+K">A. K. Bhattacharyya</a>, <a href="/search/hep-ex?searchtype=author&query=Bignami%2C+A">A. Bignami</a>, <a href="/search/hep-ex?searchtype=author&query=Blennow%2C+M">M. Blennow</a>, <a href="/search/hep-ex?searchtype=author&query=Bogomilov%2C+M">M. Bogomilov</a>, <a href="/search/hep-ex?searchtype=author&query=Bolling%2C+B">B. Bolling</a>, <a href="/search/hep-ex?searchtype=author&query=Bouquerel%2C+E">E. Bouquerel</a>, <a href="/search/hep-ex?searchtype=author&query=Bramati%2C+F">F. Bramati</a>, <a href="/search/hep-ex?searchtype=author&query=Branca%2C+A">A. Branca</a>, <a href="/search/hep-ex?searchtype=author&query=Brorsson%2C+W">W. Brorsson</a>, <a href="/search/hep-ex?searchtype=author&query=Bustinduy%2C+I">I. Bustinduy</a>, <a href="/search/hep-ex?searchtype=author&query=Carlile%2C+C+J">C. J. Carlile</a>, <a href="/search/hep-ex?searchtype=author&query=Cederkall%2C+J">J. Cederkall</a>, <a href="/search/hep-ex?searchtype=author&query=Choi%2C+T+W">T. W. Choi</a>, <a href="/search/hep-ex?searchtype=author&query=Choubey%2C+S">S. Choubey</a>, <a href="/search/hep-ex?searchtype=author&query=Christiansen%2C+P">P. Christiansen</a>, <a href="/search/hep-ex?searchtype=author&query=Collins%2C+M">M. Collins</a>, <a href="/search/hep-ex?searchtype=author&query=Morales%2C+E+C">E. Cristaldo Morales</a>, <a href="/search/hep-ex?searchtype=author&query=Danared%2C+H">H. Danared</a>, <a href="/search/hep-ex?searchtype=author&query=Dancila%2C+D">D. Dancila</a>, <a href="/search/hep-ex?searchtype=author&query=de+Andr%C3%A9%2C+J+P+A+M">J. P. A. M. de Andr茅</a> , et al. (67 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2310.10749v2-abstract-short" style="display: inline;"> In this paper we study non-standard interactions mediated by a scalar field (SNSI) in the context of ESSnuSB experiment. In particular we study the capability of ESSnuSB to put bounds on the SNSI parameters and also study the impact of SNSI in the measurement of the leptonic CP phase $未_{\rm CP}$. Existence of SNSI modifies the neutrino mass matrix and this modification can be expressed in terms o… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2310.10749v2-abstract-full').style.display = 'inline'; document.getElementById('2310.10749v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2310.10749v2-abstract-full" style="display: none;"> In this paper we study non-standard interactions mediated by a scalar field (SNSI) in the context of ESSnuSB experiment. In particular we study the capability of ESSnuSB to put bounds on the SNSI parameters and also study the impact of SNSI in the measurement of the leptonic CP phase $未_{\rm CP}$. Existence of SNSI modifies the neutrino mass matrix and this modification can be expressed in terms of three diagonal real parameters ($畏_{ee}$, $畏_{渭渭}$ and $畏_{蟿蟿}$) and three off-diagonal complex parameters ($畏_{e 渭}$, $畏_{e蟿}$ and $畏_{渭蟿}$). Our study shows that the upper bounds on the parameters $畏_{渭渭}$, $畏_{蟿蟿}$ and $畏_{渭蟿}$ depend upon how $螖m^2_{31}$ is minimized in the theory. However, this is not the case when one tries to measure the impact of SNSI on $未_{\rm CP}$. Further, we show that the CP sensitivity of ESSnuSB can be completely lost for certain values of $畏_{ee}$ and $畏_{渭蟿}$ for which the appearance channel probability becomes independent of $未_{\rm CP}$. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2310.10749v2-abstract-full').style.display = 'none'; document.getElementById('2310.10749v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 26 April, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 16 October, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">14 pages, 6 figures, 2 tables, Version accepted for publication in Phys. Rev. D</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2309.07109">arXiv:2309.07109</a> <span> [<a href="https://arxiv.org/pdf/2309.07109">pdf</a>, <a href="https://arxiv.org/ps/2309.07109">ps</a>, <a href="https://arxiv.org/format/2309.07109">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Astrophysical Phenomena">astro-ph.HE</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> </div> <p class="title is-5 mathjax"> Real-time Monitoring for the Next Core-Collapse Supernova in JUNO </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Abusleme%2C+A">Angel Abusleme</a>, <a href="/search/hep-ex?searchtype=author&query=Adam%2C+T">Thomas Adam</a>, <a href="/search/hep-ex?searchtype=author&query=Ahmad%2C+S">Shakeel Ahmad</a>, <a href="/search/hep-ex?searchtype=author&query=Ahmed%2C+R">Rizwan Ahmed</a>, <a href="/search/hep-ex?searchtype=author&query=Aiello%2C+S">Sebastiano Aiello</a>, <a href="/search/hep-ex?searchtype=author&query=Akram%2C+M">Muhammad Akram</a>, <a href="/search/hep-ex?searchtype=author&query=Aleem%2C+A">Abid Aleem</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+F">Fengpeng An</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+Q">Qi An</a>, <a href="/search/hep-ex?searchtype=author&query=Andronico%2C+G">Giuseppe Andronico</a>, <a href="/search/hep-ex?searchtype=author&query=Anfimov%2C+N">Nikolay Anfimov</a>, <a href="/search/hep-ex?searchtype=author&query=Antonelli%2C+V">Vito Antonelli</a>, <a href="/search/hep-ex?searchtype=author&query=Antoshkina%2C+T">Tatiana Antoshkina</a>, <a href="/search/hep-ex?searchtype=author&query=Asavapibhop%2C+B">Burin Asavapibhop</a>, <a href="/search/hep-ex?searchtype=author&query=de+Andr%C3%A9%2C+J+P+A+M">Jo茫o Pedro Athayde Marcondes de Andr茅</a>, <a href="/search/hep-ex?searchtype=author&query=Auguste%2C+D">Didier Auguste</a>, <a href="/search/hep-ex?searchtype=author&query=Bai%2C+W">Weidong Bai</a>, <a href="/search/hep-ex?searchtype=author&query=Balashov%2C+N">Nikita Balashov</a>, <a href="/search/hep-ex?searchtype=author&query=Baldini%2C+W">Wander Baldini</a>, <a href="/search/hep-ex?searchtype=author&query=Barresi%2C+A">Andrea Barresi</a>, <a href="/search/hep-ex?searchtype=author&query=Basilico%2C+D">Davide Basilico</a>, <a href="/search/hep-ex?searchtype=author&query=Baussan%2C+E">Eric Baussan</a>, <a href="/search/hep-ex?searchtype=author&query=Bellato%2C+M">Marco Bellato</a>, <a href="/search/hep-ex?searchtype=author&query=Beretta%2C+M">Marco Beretta</a>, <a href="/search/hep-ex?searchtype=author&query=Bergnoli%2C+A">Antonio Bergnoli</a> , et al. (606 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2309.07109v2-abstract-short" style="display: inline;"> The core-collapse supernova (CCSN) is considered one of the most energetic astrophysical events in the universe. The early and prompt detection of neutrinos before (pre-SN) and during the supernova (SN) burst presents a unique opportunity for multi-messenger observations of CCSN events. In this study, we describe the monitoring concept and present the sensitivity of the system to pre-SN and SN neu… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2309.07109v2-abstract-full').style.display = 'inline'; document.getElementById('2309.07109v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2309.07109v2-abstract-full" style="display: none;"> The core-collapse supernova (CCSN) is considered one of the most energetic astrophysical events in the universe. The early and prompt detection of neutrinos before (pre-SN) and during the supernova (SN) burst presents a unique opportunity for multi-messenger observations of CCSN events. In this study, we describe the monitoring concept and present the sensitivity of the system to pre-SN and SN neutrinos at the Jiangmen Underground Neutrino Observatory (JUNO), a 20 kton liquid scintillator detector currently under construction in South China. The real-time monitoring system is designed to ensure both prompt alert speed and comprehensive coverage of progenitor stars. It incorporates prompt monitors on the electronic board as well as online monitors at the data acquisition stage. Assuming a false alert rate of 1 per year, this monitoring system exhibits sensitivity to pre-SN neutrinos up to a distance of approximately 1.6 (0.9) kiloparsecs and SN neutrinos up to about 370 (360) kiloparsecs for a progenitor mass of 30 solar masses, considering both normal and inverted mass ordering scenarios. The pointing ability of the CCSN is evaluated by analyzing the accumulated event anisotropy of inverse beta decay interactions from pre-SN or SN neutrinos. This, along with the early alert, can play a crucial role in facilitating follow-up multi-messenger observations of the next galactic or nearby extragalactic CCSN. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2309.07109v2-abstract-full').style.display = 'none'; document.getElementById('2309.07109v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 4 December, 2023; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 13 September, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">24 pages, 9 figures, accepted for the publication at JCAP</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2306.09567">arXiv:2306.09567</a> <span> [<a href="https://arxiv.org/pdf/2306.09567">pdf</a>, <a href="https://arxiv.org/format/2306.09567">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Astrophysical Phenomena">astro-ph.HE</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1475-7516/2023/09/001">10.1088/1475-7516/2023/09/001 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> JUNO sensitivity to the annihilation of MeV dark matter in the galactic halo </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=JUNO+Collaboration"> JUNO Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abusleme%2C+A">Angel Abusleme</a>, <a href="/search/hep-ex?searchtype=author&query=Adam%2C+T">Thomas Adam</a>, <a href="/search/hep-ex?searchtype=author&query=Ahmad%2C+S">Shakeel Ahmad</a>, <a href="/search/hep-ex?searchtype=author&query=Ahmed%2C+R">Rizwan Ahmed</a>, <a href="/search/hep-ex?searchtype=author&query=Aiello%2C+S">Sebastiano Aiello</a>, <a href="/search/hep-ex?searchtype=author&query=Akram%2C+M">Muhammad Akram</a>, <a href="/search/hep-ex?searchtype=author&query=Aleem%2C+A">Abid Aleem</a>, <a href="/search/hep-ex?searchtype=author&query=Alexandros%2C+T">Tsagkarakis Alexandros</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+F">Fengpeng An</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+Q">Qi An</a>, <a href="/search/hep-ex?searchtype=author&query=Andronico%2C+G">Giuseppe Andronico</a>, <a href="/search/hep-ex?searchtype=author&query=Anfimov%2C+N">Nikolay Anfimov</a>, <a href="/search/hep-ex?searchtype=author&query=Antonelli%2C+V">Vito Antonelli</a>, <a href="/search/hep-ex?searchtype=author&query=Antoshkina%2C+T">Tatiana Antoshkina</a>, <a href="/search/hep-ex?searchtype=author&query=Asavapibhop%2C+B">Burin Asavapibhop</a>, <a href="/search/hep-ex?searchtype=author&query=de+Andr%C3%A9%2C+J+P+A+M">Jo茫o Pedro Athayde Marcondes de Andr茅</a>, <a href="/search/hep-ex?searchtype=author&query=Auguste%2C+D">Didier Auguste</a>, <a href="/search/hep-ex?searchtype=author&query=Bai%2C+W">Weidong Bai</a>, <a href="/search/hep-ex?searchtype=author&query=Balashov%2C+N">Nikita Balashov</a>, <a href="/search/hep-ex?searchtype=author&query=Baldini%2C+W">Wander Baldini</a>, <a href="/search/hep-ex?searchtype=author&query=Barresi%2C+A">Andrea Barresi</a>, <a href="/search/hep-ex?searchtype=author&query=Basilico%2C+D">Davide Basilico</a>, <a href="/search/hep-ex?searchtype=author&query=Baussan%2C+E">Eric Baussan</a>, <a href="/search/hep-ex?searchtype=author&query=Bellato%2C+M">Marco Bellato</a> , et al. (581 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2306.09567v3-abstract-short" style="display: inline;"> We discuss JUNO sensitivity to the annihilation of MeV dark matter in the galactic halo via detecting inverse beta decay reactions of electron anti-neutrinos resulting from the annihilation. We study possible backgrounds to the signature, including the reactor neutrinos, diffuse supernova neutrino background, charged- and neutral-current interactions of atmospheric neutrinos, backgrounds from muon… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2306.09567v3-abstract-full').style.display = 'inline'; document.getElementById('2306.09567v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2306.09567v3-abstract-full" style="display: none;"> We discuss JUNO sensitivity to the annihilation of MeV dark matter in the galactic halo via detecting inverse beta decay reactions of electron anti-neutrinos resulting from the annihilation. We study possible backgrounds to the signature, including the reactor neutrinos, diffuse supernova neutrino background, charged- and neutral-current interactions of atmospheric neutrinos, backgrounds from muon-induced fast neutrons and cosmogenic isotopes. A fiducial volume cut, as well as the pulse shape discrimination and the muon veto are applied to suppress the above backgrounds. It is shown that JUNO sensitivity to the thermally averaged dark matter annihilation rate in 10 years of exposure would be significantly better than the present-day best limit set by Super-Kamiokande and would be comparable to that expected by Hyper-Kamiokande. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2306.09567v3-abstract-full').style.display = 'none'; document.getElementById('2306.09567v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 13 September, 2023; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 15 June, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">25 pages, 9 figures, matches the publised version</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> JCAP 09 (2023) 001 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2303.17356">arXiv:2303.17356</a> <span> [<a href="https://arxiv.org/pdf/2303.17356">pdf</a>, <a href="https://arxiv.org/format/2303.17356">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.3390/universe9080347">10.3390/universe9080347 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The ESSnuSB design study: overview and future prospects </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=ESSnuSB+Collaboration"> ESSnuSB Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Alekou%2C+A">A. Alekou</a>, <a href="/search/hep-ex?searchtype=author&query=Baussan%2C+E">E. Baussan</a>, <a href="/search/hep-ex?searchtype=author&query=Bhattacharyya%2C+A+K">A. K. Bhattacharyya</a>, <a href="/search/hep-ex?searchtype=author&query=Kraljevic%2C+N+B">N. Blaskovic Kraljevic</a>, <a href="/search/hep-ex?searchtype=author&query=Blennow%2C+M">M. Blennow</a>, <a href="/search/hep-ex?searchtype=author&query=Bogomilov%2C+M">M. Bogomilov</a>, <a href="/search/hep-ex?searchtype=author&query=Bolling%2C+B">B. Bolling</a>, <a href="/search/hep-ex?searchtype=author&query=Bouquerel%2C+E">E. Bouquerel</a>, <a href="/search/hep-ex?searchtype=author&query=Bramati%2C+F">F. Bramati</a>, <a href="/search/hep-ex?searchtype=author&query=Branca%2C+A">A. Branca</a>, <a href="/search/hep-ex?searchtype=author&query=Buchan%2C+O">O. Buchan</a>, <a href="/search/hep-ex?searchtype=author&query=Burgman%2C+A">A. Burgman</a>, <a href="/search/hep-ex?searchtype=author&query=Carlile%2C+C+J">C. J. Carlile</a>, <a href="/search/hep-ex?searchtype=author&query=Cederkall%2C+J">J. Cederkall</a>, <a href="/search/hep-ex?searchtype=author&query=Choubey%2C+S">S. Choubey</a>, <a href="/search/hep-ex?searchtype=author&query=Christiansen%2C+P">P. Christiansen</a>, <a href="/search/hep-ex?searchtype=author&query=Collins%2C+M">M. Collins</a>, <a href="/search/hep-ex?searchtype=author&query=Morales%2C+E+C">E. Cristaldo Morales</a>, <a href="/search/hep-ex?searchtype=author&query=D%27Alessi%2C+L">L. D'Alessi</a>, <a href="/search/hep-ex?searchtype=author&query=Danared%2C+H">H. Danared</a>, <a href="/search/hep-ex?searchtype=author&query=Dancila%2C+D">D. Dancila</a>, <a href="/search/hep-ex?searchtype=author&query=de+Andr%C3%A9%2C+J+P+A+M">J. P. A. M. de Andr茅</a>, <a href="/search/hep-ex?searchtype=author&query=Delahaye%2C+J+P">J. P. Delahaye</a>, <a href="/search/hep-ex?searchtype=author&query=Dracos%2C+M">M. Dracos</a> , et al. (61 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2303.17356v3-abstract-short" style="display: inline;"> ESSnuSB is a design study for an experiment to measure the CP violation in the leptonic sector at the second neutrino oscillation maximum using a neutrino beam driven by the uniquely powerful ESS linear accelerator. The reduced impact of systematic errors on sensitivity at the second maximum allows for a very precise measurement of the CP violating parameter. This review describes the fundamental… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2303.17356v3-abstract-full').style.display = 'inline'; document.getElementById('2303.17356v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2303.17356v3-abstract-full" style="display: none;"> ESSnuSB is a design study for an experiment to measure the CP violation in the leptonic sector at the second neutrino oscillation maximum using a neutrino beam driven by the uniquely powerful ESS linear accelerator. The reduced impact of systematic errors on sensitivity at the second maximum allows for a very precise measurement of the CP violating parameter. This review describes the fundamental advantages of measurement at the 2nd maximum, the necessary upgrades to the ESS linac in order to produce a neutrino beam, the near and far detector complexes, the expected physics reach of the proposed ESSnuSB experiment, concluding with the near future developments aimed at the project realization. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2303.17356v3-abstract-full').style.display = 'none'; document.getElementById('2303.17356v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 8 August, 2023; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 30 March, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">19 pages, 12 figures; Final version after review by the Universe journal</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2303.05172">arXiv:2303.05172</a> <span> [<a href="https://arxiv.org/pdf/2303.05172">pdf</a>, <a href="https://arxiv.org/format/2303.05172">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.nima.2023.168680">10.1016/j.nima.2023.168680 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The JUNO experiment Top Tracker </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=JUNO+Collaboration"> JUNO Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abusleme%2C+A">Angel Abusleme</a>, <a href="/search/hep-ex?searchtype=author&query=Adam%2C+T">Thomas Adam</a>, <a href="/search/hep-ex?searchtype=author&query=Ahmad%2C+S">Shakeel Ahmad</a>, <a href="/search/hep-ex?searchtype=author&query=Ahmed%2C+R">Rizwan Ahmed</a>, <a href="/search/hep-ex?searchtype=author&query=Aiello%2C+S">Sebastiano Aiello</a>, <a href="/search/hep-ex?searchtype=author&query=Akram%2C+M">Muhammad Akram</a>, <a href="/search/hep-ex?searchtype=author&query=Aleem%2C+A">Abid Aleem</a>, <a href="/search/hep-ex?searchtype=author&query=Alexandros%2C+T">Tsagkarakis Alexandros</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+F">Fengpeng An</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+Q">Qi An</a>, <a href="/search/hep-ex?searchtype=author&query=Andronico%2C+G">Giuseppe Andronico</a>, <a href="/search/hep-ex?searchtype=author&query=Anfimov%2C+N">Nikolay Anfimov</a>, <a href="/search/hep-ex?searchtype=author&query=Antonelli%2C+V">Vito Antonelli</a>, <a href="/search/hep-ex?searchtype=author&query=Antoshkina%2C+T">Tatiana Antoshkina</a>, <a href="/search/hep-ex?searchtype=author&query=Asavapibhop%2C+B">Burin Asavapibhop</a>, <a href="/search/hep-ex?searchtype=author&query=de+Andr%C3%A9%2C+J+P+A+M">Jo茫o Pedro Athayde Marcondes de Andr茅</a>, <a href="/search/hep-ex?searchtype=author&query=Auguste%2C+D">Didier Auguste</a>, <a href="/search/hep-ex?searchtype=author&query=Bai%2C+W">Weidong Bai</a>, <a href="/search/hep-ex?searchtype=author&query=Balashov%2C+N">Nikita Balashov</a>, <a href="/search/hep-ex?searchtype=author&query=Baldini%2C+W">Wander Baldini</a>, <a href="/search/hep-ex?searchtype=author&query=Barresi%2C+A">Andrea Barresi</a>, <a href="/search/hep-ex?searchtype=author&query=Basilico%2C+D">Davide Basilico</a>, <a href="/search/hep-ex?searchtype=author&query=Baussan%2C+E">Eric Baussan</a>, <a href="/search/hep-ex?searchtype=author&query=Bellato%2C+M">Marco Bellato</a> , et al. (592 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2303.05172v1-abstract-short" style="display: inline;"> The main task of the Top Tracker detector of the neutrino reactor experiment Jiangmen Underground Neutrino Observatory (JUNO) is to reconstruct and extrapolate atmospheric muon tracks down to the central detector. This muon tracker will help to evaluate the contribution of the cosmogenic background to the signal. The Top Tracker is located above JUNO's water Cherenkov Detector and Central Detector… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2303.05172v1-abstract-full').style.display = 'inline'; document.getElementById('2303.05172v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2303.05172v1-abstract-full" style="display: none;"> The main task of the Top Tracker detector of the neutrino reactor experiment Jiangmen Underground Neutrino Observatory (JUNO) is to reconstruct and extrapolate atmospheric muon tracks down to the central detector. This muon tracker will help to evaluate the contribution of the cosmogenic background to the signal. The Top Tracker is located above JUNO's water Cherenkov Detector and Central Detector, covering about 60% of the surface above them. The JUNO Top Tracker is constituted by the decommissioned OPERA experiment Target Tracker modules. The technology used consists in walls of two planes of plastic scintillator strips, one per transverse direction. Wavelength shifting fibres collect the light signal emitted by the scintillator strips and guide it to both ends where it is read by multianode photomultiplier tubes. Compared to the OPERA Target Tracker, the JUNO Top Tracker uses new electronics able to cope with the high rate produced by the high rock radioactivity compared to the one in Gran Sasso underground laboratory. This paper will present the new electronics and mechanical structure developed for the Top Tracker of JUNO along with its expected performance based on the current detector simulation. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2303.05172v1-abstract-full').style.display = 'none'; document.getElementById('2303.05172v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 9 March, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">20 pages</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Nucl.Instrum.Meth.A 1057 (2023) 168680 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2303.03910">arXiv:2303.03910</a> <span> [<a href="https://arxiv.org/pdf/2303.03910">pdf</a>, <a href="https://arxiv.org/format/2303.03910">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> JUNO sensitivity to $^7$Be, $pep$, and CNO solar neutrinos </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Abusleme%2C+A">Angel Abusleme</a>, <a href="/search/hep-ex?searchtype=author&query=Adam%2C+T">Thomas Adam</a>, <a href="/search/hep-ex?searchtype=author&query=Ahmad%2C+S">Shakeel Ahmad</a>, <a href="/search/hep-ex?searchtype=author&query=Ahmed%2C+R">Rizwan Ahmed</a>, <a href="/search/hep-ex?searchtype=author&query=Aiello%2C+S">Sebastiano Aiello</a>, <a href="/search/hep-ex?searchtype=author&query=Akram%2C+M">Muhammad Akram</a>, <a href="/search/hep-ex?searchtype=author&query=Aleem%2C+A">Abid Aleem</a>, <a href="/search/hep-ex?searchtype=author&query=Alexandros%2C+T">Tsagkarakis Alexandros</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+F">Fengpeng An</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+Q">Qi An</a>, <a href="/search/hep-ex?searchtype=author&query=Andronico%2C+G">Giuseppe Andronico</a>, <a href="/search/hep-ex?searchtype=author&query=Anfimov%2C+N">Nikolay Anfimov</a>, <a href="/search/hep-ex?searchtype=author&query=Antonelli%2C+V">Vito Antonelli</a>, <a href="/search/hep-ex?searchtype=author&query=Antoshkina%2C+T">Tatiana Antoshkina</a>, <a href="/search/hep-ex?searchtype=author&query=Asavapibhop%2C+B">Burin Asavapibhop</a>, <a href="/search/hep-ex?searchtype=author&query=de+Andr%C3%A9%2C+J+P+A+M">Jo茫o Pedro Athayde Marcondes de Andr茅</a>, <a href="/search/hep-ex?searchtype=author&query=Auguste%2C+D">Didier Auguste</a>, <a href="/search/hep-ex?searchtype=author&query=Bai%2C+W">Weidong Bai</a>, <a href="/search/hep-ex?searchtype=author&query=Balashov%2C+N">Nikita Balashov</a>, <a href="/search/hep-ex?searchtype=author&query=Baldini%2C+W">Wander Baldini</a>, <a href="/search/hep-ex?searchtype=author&query=Barresi%2C+A">Andrea Barresi</a>, <a href="/search/hep-ex?searchtype=author&query=Basilico%2C+D">Davide Basilico</a>, <a href="/search/hep-ex?searchtype=author&query=Baussan%2C+E">Eric Baussan</a>, <a href="/search/hep-ex?searchtype=author&query=Bellato%2C+M">Marco Bellato</a>, <a href="/search/hep-ex?searchtype=author&query=Beretta%2C+M">Marco Beretta</a> , et al. (592 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2303.03910v1-abstract-short" style="display: inline;"> The Jiangmen Underground Neutrino Observatory (JUNO), the first multi-kton liquid scintillator detector, which is under construction in China, will have a unique potential to perform a real-time measurement of solar neutrinos well below the few MeV threshold typical for Water Cherenkov detectors. JUNO's large target mass and excellent energy resolution are prerequisites for reaching unprecedented… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2303.03910v1-abstract-full').style.display = 'inline'; document.getElementById('2303.03910v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2303.03910v1-abstract-full" style="display: none;"> The Jiangmen Underground Neutrino Observatory (JUNO), the first multi-kton liquid scintillator detector, which is under construction in China, will have a unique potential to perform a real-time measurement of solar neutrinos well below the few MeV threshold typical for Water Cherenkov detectors. JUNO's large target mass and excellent energy resolution are prerequisites for reaching unprecedented levels of precision. In this paper, we provide estimation of the JUNO sensitivity to 7Be, pep, and CNO solar neutrinos that can be obtained via a spectral analysis above the 0.45 MeV threshold. This study is performed assuming different scenarios of the liquid scintillator radiopurity, ranging from the most opti mistic one corresponding to the radiopurity levels obtained by the Borexino experiment, up to the minimum requirements needed to perform the neutrino mass ordering determination with reactor antineutrinos - the main goal of JUNO. Our study shows that in most scenarios, JUNO will be able to improve the current best measurements on 7Be, pep, and CNO solar neutrino fluxes. We also perform a study on the JUNO capability to detect periodical time variations in the solar neutrino flux, such as the day-night modulation induced by neutrino flavor regeneration in Earth, and the modulations induced by temperature changes driven by helioseismic waves. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2303.03910v1-abstract-full').style.display = 'none'; document.getElementById('2303.03910v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 7 March, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2023. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2212.10741">arXiv:2212.10741</a> <span> [<a href="https://arxiv.org/pdf/2212.10741">pdf</a>, <a href="https://arxiv.org/format/2212.10741">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1140/epjc/s10052-023-11514-x">10.1140/epjc/s10052-023-11514-x <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Simulation Software of the JUNO Experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Lin%2C+T">Tao Lin</a>, <a href="/search/hep-ex?searchtype=author&query=Hu%2C+Y">Yuxiang Hu</a>, <a href="/search/hep-ex?searchtype=author&query=Yu%2C+M">Miao Yu</a>, <a href="/search/hep-ex?searchtype=author&query=Zhang%2C+H">Haosen Zhang</a>, <a href="/search/hep-ex?searchtype=author&query=Blyth%2C+S+C">Simon Charles Blyth</a>, <a href="/search/hep-ex?searchtype=author&query=Wang%2C+Y">Yaoguang Wang</a>, <a href="/search/hep-ex?searchtype=author&query=Lu%2C+H">Haoqi Lu</a>, <a href="/search/hep-ex?searchtype=author&query=Jollet%2C+C">Cecile Jollet</a>, <a href="/search/hep-ex?searchtype=author&query=de+Andr%C3%A9%2C+J+P+A+M">Jo茫o Pedro Athayde Marcondes de Andr茅</a>, <a href="/search/hep-ex?searchtype=author&query=Deng%2C+Z">Ziyan Deng</a>, <a href="/search/hep-ex?searchtype=author&query=Cao%2C+G">Guofu Cao</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+F">Fengpeng An</a>, <a href="/search/hep-ex?searchtype=author&query=Chimenti%2C+P">Pietro Chimenti</a>, <a href="/search/hep-ex?searchtype=author&query=Fang%2C+X">Xiao Fang</a>, <a href="/search/hep-ex?searchtype=author&query=Guo%2C+Y">Yuhang Guo</a>, <a href="/search/hep-ex?searchtype=author&query=Huang%2C+W">Wenhao Huang</a>, <a href="/search/hep-ex?searchtype=author&query=Huang%2C+X">Xingtao Huang</a>, <a href="/search/hep-ex?searchtype=author&query=Li%2C+R">Rui Li</a>, <a href="/search/hep-ex?searchtype=author&query=Li%2C+T">Teng Li</a>, <a href="/search/hep-ex?searchtype=author&query=Li%2C+W">Weidong Li</a>, <a href="/search/hep-ex?searchtype=author&query=Li%2C+X">Xinying Li</a>, <a href="/search/hep-ex?searchtype=author&query=Liu%2C+Y">Yankai Liu</a>, <a href="/search/hep-ex?searchtype=author&query=Meregaglia%2C+A">Anselmo Meregaglia</a>, <a href="/search/hep-ex?searchtype=author&query=Qian%2C+Z">Zhen Qian</a>, <a href="/search/hep-ex?searchtype=author&query=Ren%2C+Y">Yuhan Ren</a> , et al. (9 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2212.10741v2-abstract-short" style="display: inline;"> The Jiangmen Underground Neutrino Observatory (JUNO) is a multi-purpose experiment, under construction in southeast China, that is designed to determine the neutrino mass ordering and precisely measure neutrino oscillation parameters. Monte Carlo simulation plays an important role for JUNO detector design, detector commissioning, offline data processing, and physics processing. The JUNO experiment… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2212.10741v2-abstract-full').style.display = 'inline'; document.getElementById('2212.10741v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2212.10741v2-abstract-full" style="display: none;"> The Jiangmen Underground Neutrino Observatory (JUNO) is a multi-purpose experiment, under construction in southeast China, that is designed to determine the neutrino mass ordering and precisely measure neutrino oscillation parameters. Monte Carlo simulation plays an important role for JUNO detector design, detector commissioning, offline data processing, and physics processing. The JUNO experiment has the world's largest liquid scintillator detector instrumented with many thousands of PMTs. The broad energy range of interest, long lifetime, and the large scale present data processing challenges across all areas. This paper describes the JUNO simulation software, highlighting the challenges of JUNO simulation and solutions to meet these challenges, including such issues as support for time-correlated analysis, event mixing, event correlation and handling the simulation of many millions of optical photons. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2212.10741v2-abstract-full').style.display = 'none'; document.getElementById('2212.10741v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 17 May, 2023; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 20 December, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Eur. Phys. J. C 83, 382 (2023) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2212.08502">arXiv:2212.08502</a> <span> [<a href="https://arxiv.org/pdf/2212.08502">pdf</a>, <a href="https://arxiv.org/format/2212.08502">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1674-1137/ace9c6">10.1088/1674-1137/ace9c6 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> JUNO Sensitivity on Proton Decay $p\to \bar谓K^+$ Searches </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=JUNO+Collaboration"> JUNO Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abusleme%2C+A">Angel Abusleme</a>, <a href="/search/hep-ex?searchtype=author&query=Adam%2C+T">Thomas Adam</a>, <a href="/search/hep-ex?searchtype=author&query=Ahmad%2C+S">Shakeel Ahmad</a>, <a href="/search/hep-ex?searchtype=author&query=Ahmed%2C+R">Rizwan Ahmed</a>, <a href="/search/hep-ex?searchtype=author&query=Aiello%2C+S">Sebastiano Aiello</a>, <a href="/search/hep-ex?searchtype=author&query=Akram%2C+M">Muhammad Akram</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+F">Fengpeng An</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+Q">Qi An</a>, <a href="/search/hep-ex?searchtype=author&query=Andronico%2C+G">Giuseppe Andronico</a>, <a href="/search/hep-ex?searchtype=author&query=Anfimov%2C+N">Nikolay Anfimov</a>, <a href="/search/hep-ex?searchtype=author&query=Antonelli%2C+V">Vito Antonelli</a>, <a href="/search/hep-ex?searchtype=author&query=Antoshkina%2C+T">Tatiana Antoshkina</a>, <a href="/search/hep-ex?searchtype=author&query=Asavapibhop%2C+B">Burin Asavapibhop</a>, <a href="/search/hep-ex?searchtype=author&query=de+Andr%C3%A9%2C+J+P+A+M">Jo茫o Pedro Athayde Marcondes de Andr茅</a>, <a href="/search/hep-ex?searchtype=author&query=Auguste%2C+D">Didier Auguste</a>, <a href="/search/hep-ex?searchtype=author&query=Balashov%2C+N">Nikita Balashov</a>, <a href="/search/hep-ex?searchtype=author&query=Baldini%2C+W">Wander Baldini</a>, <a href="/search/hep-ex?searchtype=author&query=Barresi%2C+A">Andrea Barresi</a>, <a href="/search/hep-ex?searchtype=author&query=Basilico%2C+D">Davide Basilico</a>, <a href="/search/hep-ex?searchtype=author&query=Baussan%2C+E">Eric Baussan</a>, <a href="/search/hep-ex?searchtype=author&query=Bellato%2C+M">Marco Bellato</a>, <a href="/search/hep-ex?searchtype=author&query=Bergnoli%2C+A">Antonio Bergnoli</a>, <a href="/search/hep-ex?searchtype=author&query=Birkenfeld%2C+T">Thilo Birkenfeld</a>, <a href="/search/hep-ex?searchtype=author&query=Blin%2C+S">Sylvie Blin</a> , et al. (586 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2212.08502v3-abstract-short" style="display: inline;"> The Jiangmen Underground Neutrino Observatory (JUNO) is a large liquid scintillator detector designed to explore many topics in fundamental physics. In this paper, the potential on searching for proton decay in $p\to \bar谓K^+$ mode with JUNO is investigated.The kaon and its decay particles feature a clear three-fold coincidence signature that results in a high efficiency for identification. Moreov… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2212.08502v3-abstract-full').style.display = 'inline'; document.getElementById('2212.08502v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2212.08502v3-abstract-full" style="display: none;"> The Jiangmen Underground Neutrino Observatory (JUNO) is a large liquid scintillator detector designed to explore many topics in fundamental physics. In this paper, the potential on searching for proton decay in $p\to \bar谓K^+$ mode with JUNO is investigated.The kaon and its decay particles feature a clear three-fold coincidence signature that results in a high efficiency for identification. Moreover, the excellent energy resolution of JUNO permits to suppress the sizable background caused by other delayed signals. Based on these advantages, the detection efficiency for the proton decay via $p\to \bar谓K^+$ is 36.9% with a background level of 0.2 events after 10 years of data taking. The estimated sensitivity based on 200 kton-years exposure is $9.6 \times 10^{33}$ years, competitive with the current best limits on the proton lifetime in this channel. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2212.08502v3-abstract-full').style.display = 'none'; document.getElementById('2212.08502v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 26 October, 2023; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 16 December, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">14 pages, 12 figures, an author added</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2211.10396">arXiv:2211.10396</a> <span> [<a href="https://arxiv.org/pdf/2211.10396">pdf</a>, <a href="https://arxiv.org/format/2211.10396">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.physrep.2023.06.001">10.1016/j.physrep.2023.06.001 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Particle Physics at the European Spallation Source </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Abele%2C+H">H. Abele</a>, <a href="/search/hep-ex?searchtype=author&query=Alekou%2C+A">A. Alekou</a>, <a href="/search/hep-ex?searchtype=author&query=Algora%2C+A">A. Algora</a>, <a href="/search/hep-ex?searchtype=author&query=Andersen%2C+K">K. Andersen</a>, <a href="/search/hep-ex?searchtype=author&query=Baessler%2C+S">S. Baessler</a>, <a href="/search/hep-ex?searchtype=author&query=Barron-Palos%2C+L">L. Barron-Palos</a>, <a href="/search/hep-ex?searchtype=author&query=Barrow%2C+J">J. Barrow</a>, <a href="/search/hep-ex?searchtype=author&query=Baussan%2C+E">E. Baussan</a>, <a href="/search/hep-ex?searchtype=author&query=Bentley%2C+P">P. Bentley</a>, <a href="/search/hep-ex?searchtype=author&query=Berezhiani%2C+Z">Z. Berezhiani</a>, <a href="/search/hep-ex?searchtype=author&query=Bessler%2C+Y">Y. Bessler</a>, <a href="/search/hep-ex?searchtype=author&query=Bhattacharyya%2C+A+K">A. K. Bhattacharyya</a>, <a href="/search/hep-ex?searchtype=author&query=Bianchi%2C+A">A. Bianchi</a>, <a href="/search/hep-ex?searchtype=author&query=Bijnens%2C+J">J. Bijnens</a>, <a href="/search/hep-ex?searchtype=author&query=Blanco%2C+C">C. Blanco</a>, <a href="/search/hep-ex?searchtype=author&query=Kraljevic%2C+N+B">N. Blaskovic Kraljevic</a>, <a href="/search/hep-ex?searchtype=author&query=Blennow%2C+M">M. Blennow</a>, <a href="/search/hep-ex?searchtype=author&query=Bodek%2C+K">K. Bodek</a>, <a href="/search/hep-ex?searchtype=author&query=Bogomilov%2C+M">M. Bogomilov</a>, <a href="/search/hep-ex?searchtype=author&query=Bohm%2C+C">C. Bohm</a>, <a href="/search/hep-ex?searchtype=author&query=Bolling%2C+B">B. Bolling</a>, <a href="/search/hep-ex?searchtype=author&query=Bouquerel%2C+E">E. Bouquerel</a>, <a href="/search/hep-ex?searchtype=author&query=Brooijmans%2C+G">G. Brooijmans</a>, <a href="/search/hep-ex?searchtype=author&query=Broussard%2C+L+J">L. J. Broussard</a>, <a href="/search/hep-ex?searchtype=author&query=Buchan%2C+O">O. Buchan</a> , et al. (154 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2211.10396v2-abstract-short" style="display: inline;"> Presently under construction in Lund, Sweden, the European Spallation Source (ESS) will be the world's brightest neutron source. As such, it has the potential for a particle physics program with a unique reach and which is complementary to that available at other facilities. This paper describes proposed particle physics activities for the ESS. These encompass the exploitation of both the neutrons… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2211.10396v2-abstract-full').style.display = 'inline'; document.getElementById('2211.10396v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2211.10396v2-abstract-full" style="display: none;"> Presently under construction in Lund, Sweden, the European Spallation Source (ESS) will be the world's brightest neutron source. As such, it has the potential for a particle physics program with a unique reach and which is complementary to that available at other facilities. This paper describes proposed particle physics activities for the ESS. These encompass the exploitation of both the neutrons and neutrinos produced at the ESS for high precision (sensitivity) measurements (searches). <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2211.10396v2-abstract-full').style.display = 'none'; document.getElementById('2211.10396v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 30 January, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 18 November, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">121 pages, updated version after referee comments</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2210.08437">arXiv:2210.08437</a> <span> [<a href="https://arxiv.org/pdf/2210.08437">pdf</a>, <a href="https://arxiv.org/format/2210.08437">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Solar and Stellar Astrophysics">astro-ph.SR</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.3847/1538-4357/ad2bfd">10.3847/1538-4357/ad2bfd <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Model Independent Approach of the JUNO $^8$B Solar Neutrino Program </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=JUNO+Collaboration"> JUNO Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Zhao%2C+J">Jie Zhao</a>, <a href="/search/hep-ex?searchtype=author&query=Yue%2C+B">Baobiao Yue</a>, <a href="/search/hep-ex?searchtype=author&query=Lu%2C+H">Haoqi Lu</a>, <a href="/search/hep-ex?searchtype=author&query=Li%2C+Y">Yufeng Li</a>, <a href="/search/hep-ex?searchtype=author&query=Ling%2C+J">Jiajie Ling</a>, <a href="/search/hep-ex?searchtype=author&query=Yu%2C+Z">Zeyuan Yu</a>, <a href="/search/hep-ex?searchtype=author&query=Abusleme%2C+A">Angel Abusleme</a>, <a href="/search/hep-ex?searchtype=author&query=Adam%2C+T">Thomas Adam</a>, <a href="/search/hep-ex?searchtype=author&query=Ahmad%2C+S">Shakeel Ahmad</a>, <a href="/search/hep-ex?searchtype=author&query=Ahmed%2C+R">Rizwan Ahmed</a>, <a href="/search/hep-ex?searchtype=author&query=Aiello%2C+S">Sebastiano Aiello</a>, <a href="/search/hep-ex?searchtype=author&query=Akram%2C+M">Muhammad Akram</a>, <a href="/search/hep-ex?searchtype=author&query=Aleem%2C+A">Abid Aleem</a>, <a href="/search/hep-ex?searchtype=author&query=Alexandros%2C+T">Tsagkarakis Alexandros</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+F">Fengpeng An</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+Q">Qi An</a>, <a href="/search/hep-ex?searchtype=author&query=Andronico%2C+G">Giuseppe Andronico</a>, <a href="/search/hep-ex?searchtype=author&query=Anfimov%2C+N">Nikolay Anfimov</a>, <a href="/search/hep-ex?searchtype=author&query=Antonelli%2C+V">Vito Antonelli</a>, <a href="/search/hep-ex?searchtype=author&query=Antoshkina%2C+T">Tatiana Antoshkina</a>, <a href="/search/hep-ex?searchtype=author&query=Asavapibhop%2C+B">Burin Asavapibhop</a>, <a href="/search/hep-ex?searchtype=author&query=de+Andr%C3%A9%2C+J+P+A+M">Jo茫o Pedro Athayde Marcondes de Andr茅</a>, <a href="/search/hep-ex?searchtype=author&query=Auguste%2C+D">Didier Auguste</a>, <a href="/search/hep-ex?searchtype=author&query=Bai%2C+W">Weidong Bai</a> , et al. (579 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2210.08437v2-abstract-short" style="display: inline;"> The physics potential of detecting $^8$B solar neutrinos will be exploited at the Jiangmen Underground Neutrino Observatory (JUNO), in a model independent manner by using three distinct channels of the charged-current (CC), neutral-current (NC) and elastic scattering (ES) interactions. Due to the largest-ever mass of $^{13}$C nuclei in the liquid-scintillator detectors and the {expected} low backg… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2210.08437v2-abstract-full').style.display = 'inline'; document.getElementById('2210.08437v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2210.08437v2-abstract-full" style="display: none;"> The physics potential of detecting $^8$B solar neutrinos will be exploited at the Jiangmen Underground Neutrino Observatory (JUNO), in a model independent manner by using three distinct channels of the charged-current (CC), neutral-current (NC) and elastic scattering (ES) interactions. Due to the largest-ever mass of $^{13}$C nuclei in the liquid-scintillator detectors and the {expected} low background level, $^8$B solar neutrinos would be observable in the CC and NC interactions on $^{13}$C for the first time. By virtue of optimized event selections and muon veto strategies, backgrounds from the accidental coincidence, muon-induced isotopes, and external backgrounds can be greatly suppressed. Excellent signal-to-background ratios can be achieved in the CC, NC and ES channels to guarantee the $^8$B solar neutrino observation. From the sensitivity studies performed in this work, we show that JUNO, with ten years of data, can reach the {1$蟽$} precision levels of 5%, 8% and 20% for the $^8$B neutrino flux, $\sin^2胃_{12}$, and $螖m^2_{21}$, respectively. It would be unique and helpful to probe the details of both solar physics and neutrino physics. In addition, when combined with SNO, the world-best precision of 3% is expected for the $^8$B neutrino flux measurement. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2210.08437v2-abstract-full').style.display = 'none'; document.getElementById('2210.08437v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 6 March, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 15 October, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">19 pages, 7 figures, accepted version to appear in The Astrophysical Journal. Yufeng Li and Jiajie Ling are corresponding authors</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Astrophysical Journal 965 (2024) 122 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2206.01208">arXiv:2206.01208</a> <span> [<a href="https://arxiv.org/pdf/2206.01208">pdf</a>, <a href="https://arxiv.org/format/2206.01208">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Accelerator Physics">physics.acc-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1140/epjs/s11734-022-00664-w">10.1140/epjs/s11734-022-00664-w <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The European Spallation Source neutrino Super Beam Conceptual Design Report </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Alekou%2C+A">A. Alekou</a>, <a href="/search/hep-ex?searchtype=author&query=Baussan%2C+E">E. Baussan</a>, <a href="/search/hep-ex?searchtype=author&query=Bhattacharyya%2C+A+K">A. K. Bhattacharyya</a>, <a href="/search/hep-ex?searchtype=author&query=Kraljevic%2C+N+B">N. Blaskovic Kraljevic</a>, <a href="/search/hep-ex?searchtype=author&query=Blennow%2C+M">M. Blennow</a>, <a href="/search/hep-ex?searchtype=author&query=Bogomilov%2C+M">M. Bogomilov</a>, <a href="/search/hep-ex?searchtype=author&query=Bolling%2C+B">B. Bolling</a>, <a href="/search/hep-ex?searchtype=author&query=Bouquerel%2C+E">E. Bouquerel</a>, <a href="/search/hep-ex?searchtype=author&query=Buchan%2C+O">O. Buchan</a>, <a href="/search/hep-ex?searchtype=author&query=Burgman%2C+A">A. Burgman</a>, <a href="/search/hep-ex?searchtype=author&query=Carlile%2C+C+J">C. J. Carlile</a>, <a href="/search/hep-ex?searchtype=author&query=Cederkall%2C+J">J. Cederkall</a>, <a href="/search/hep-ex?searchtype=author&query=Christiansen%2C+P">P. Christiansen</a>, <a href="/search/hep-ex?searchtype=author&query=Collins%2C+M">M. Collins</a>, <a href="/search/hep-ex?searchtype=author&query=Morales%2C+E+C">E. Cristaldo Morales</a>, <a href="/search/hep-ex?searchtype=author&query=Cupia%C5%82%2C+P">P. Cupia艂</a>, <a href="/search/hep-ex?searchtype=author&query=D%27Alessi%2C+L">L. D'Alessi</a>, <a href="/search/hep-ex?searchtype=author&query=Danared%2C+H">H. Danared</a>, <a href="/search/hep-ex?searchtype=author&query=Dancila%2C+D">D. Dancila</a>, <a href="/search/hep-ex?searchtype=author&query=de+Andr%C3%A9%2C+J+P+A+M">J. P. A. M. de Andr茅</a>, <a href="/search/hep-ex?searchtype=author&query=Delahaye%2C+J+P">J. P. Delahaye</a>, <a href="/search/hep-ex?searchtype=author&query=Dracos%2C+M">M. Dracos</a>, <a href="/search/hep-ex?searchtype=author&query=Efthymiopoulos%2C+I">I. Efthymiopoulos</a>, <a href="/search/hep-ex?searchtype=author&query=Ekel%C3%B6f%2C+T">T. Ekel枚f</a>, <a href="/search/hep-ex?searchtype=author&query=Eshraqi%2C+M">M. Eshraqi</a> , et al. (51 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2206.01208v1-abstract-short" style="display: inline;"> This conceptual design report provides a detailed account of the European Spallation Source neutrino Super Beam (ESS$谓$SB) feasibility study. This facility has been proposed after the measurements reported in 2012 of a relatively large value of the neutrino mixing angle $胃_{13}$, which raised the possibility of observing potential CP violation in the leptonic sector with conventional neutrino beam… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2206.01208v1-abstract-full').style.display = 'inline'; document.getElementById('2206.01208v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2206.01208v1-abstract-full" style="display: none;"> This conceptual design report provides a detailed account of the European Spallation Source neutrino Super Beam (ESS$谓$SB) feasibility study. This facility has been proposed after the measurements reported in 2012 of a relatively large value of the neutrino mixing angle $胃_{13}$, which raised the possibility of observing potential CP violation in the leptonic sector with conventional neutrino beams. The measured value of $胃_{13}$ also privileges the $2^{nd}$ oscillation maximum for the discovery of CP violation instead of the more typically studied $1^{st}$ maximum. The sensitivity at this $2^{nd}$ oscillation maximum is about three times higher than at the $1^{st}$ one, which implies a reduced influence of systematic errors. Working at the $2^{nd}$ oscillation maximum requires a very intense neutrino beam with an appropriate energy. The world's most intense pulsed spallation neutron source, the European Spallation Source (ESS), will have a proton linac operating at 5\,MW power, 2\,GeV kinetic energy and 14~Hz repetition rate (3~ms pulse duration, 4\% duty cycle) for neutron production. In this design study it is proposed to double the repetition rate and compress the beam pulses to the level of microseconds in order to provide an additional 5~MW proton beam for neutrino production. The physics performance has been evaluated for such a neutrino super beam, in conjunction with a megaton-scale underground water Cherenkov neutrino detector installed at a distance of 360--550\,km from ESS. The ESS proton linac upgrades, the accumulator ring required for proton-pulse compression, the target station design and optimisation, the near and far detector complexes, and the physics potential of the facility are all described in this report. The ESS linac will be operational by 2025, at which point the implementation of upgrades for the neutrino facility could begin. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2206.01208v1-abstract-full').style.display = 'none'; document.getElementById('2206.01208v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 2 June, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">216 pages</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2205.08830">arXiv:2205.08830</a> <span> [<a href="https://arxiv.org/pdf/2205.08830">pdf</a>, <a href="https://arxiv.org/format/2205.08830">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Astrophysical Phenomena">astro-ph.HE</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1475-7516/2022/10/033">10.1088/1475-7516/2022/10/033 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Prospects for Detecting the Diffuse Supernova Neutrino Background with JUNO </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=JUNO+Collaboration"> JUNO Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abusleme%2C+A">Angel Abusleme</a>, <a href="/search/hep-ex?searchtype=author&query=Adam%2C+T">Thomas Adam</a>, <a href="/search/hep-ex?searchtype=author&query=Ahmad%2C+S">Shakeel Ahmad</a>, <a href="/search/hep-ex?searchtype=author&query=Ahmed%2C+R">Rizwan Ahmed</a>, <a href="/search/hep-ex?searchtype=author&query=Aiello%2C+S">Sebastiano Aiello</a>, <a href="/search/hep-ex?searchtype=author&query=Akram%2C+M">Muhammad Akram</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+F">Fengpeng An</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+Q">Qi An</a>, <a href="/search/hep-ex?searchtype=author&query=Andronico%2C+G">Giuseppe Andronico</a>, <a href="/search/hep-ex?searchtype=author&query=Anfimov%2C+N">Nikolay Anfimov</a>, <a href="/search/hep-ex?searchtype=author&query=Antonelli%2C+V">Vito Antonelli</a>, <a href="/search/hep-ex?searchtype=author&query=Antoshkina%2C+T">Tatiana Antoshkina</a>, <a href="/search/hep-ex?searchtype=author&query=Asavapibhop%2C+B">Burin Asavapibhop</a>, <a href="/search/hep-ex?searchtype=author&query=de+Andr%C3%A9%2C+J+P+A+M">Jo茫o Pedro Athayde Marcondes de Andr茅</a>, <a href="/search/hep-ex?searchtype=author&query=Auguste%2C+D">Didier Auguste</a>, <a href="/search/hep-ex?searchtype=author&query=Balashov%2C+N">Nikita Balashov</a>, <a href="/search/hep-ex?searchtype=author&query=Baldini%2C+W">Wander Baldini</a>, <a href="/search/hep-ex?searchtype=author&query=Barresi%2C+A">Andrea Barresi</a>, <a href="/search/hep-ex?searchtype=author&query=Basilico%2C+D">Davide Basilico</a>, <a href="/search/hep-ex?searchtype=author&query=Baussan%2C+E">Eric Baussan</a>, <a href="/search/hep-ex?searchtype=author&query=Bellato%2C+M">Marco Bellato</a>, <a href="/search/hep-ex?searchtype=author&query=Bergnoli%2C+A">Antonio Bergnoli</a>, <a href="/search/hep-ex?searchtype=author&query=Birkenfeld%2C+T">Thilo Birkenfeld</a>, <a href="/search/hep-ex?searchtype=author&query=Blin%2C+S">Sylvie Blin</a> , et al. (577 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2205.08830v2-abstract-short" style="display: inline;"> We present the detection potential for the diffuse supernova neutrino background (DSNB) at the Jiangmen Underground Neutrino Observatory (JUNO), using the inverse-beta-decay (IBD) detection channel on free protons. We employ the latest information on the DSNB flux predictions, and investigate in detail the background and its reduction for the DSNB search at JUNO. The atmospheric neutrino induced n… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2205.08830v2-abstract-full').style.display = 'inline'; document.getElementById('2205.08830v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2205.08830v2-abstract-full" style="display: none;"> We present the detection potential for the diffuse supernova neutrino background (DSNB) at the Jiangmen Underground Neutrino Observatory (JUNO), using the inverse-beta-decay (IBD) detection channel on free protons. We employ the latest information on the DSNB flux predictions, and investigate in detail the background and its reduction for the DSNB search at JUNO. The atmospheric neutrino induced neutral current (NC) background turns out to be the most critical background, whose uncertainty is carefully evaluated from both the spread of model predictions and an envisaged \textit{in situ} measurement. We also make a careful study on the background suppression with the pulse shape discrimination (PSD) and triple coincidence (TC) cuts. With latest DSNB signal predictions, more realistic background evaluation and PSD efficiency optimization, and additional TC cut, JUNO can reach the significance of 3$蟽$ for 3 years of data taking, and achieve better than 5$蟽$ after 10 years for a reference DSNB model. In the pessimistic scenario of non-observation, JUNO would strongly improve the limits and exclude a significant region of the model parameter space. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2205.08830v2-abstract-full').style.display = 'none'; document.getElementById('2205.08830v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 13 October, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 18 May, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">29 pages, 11 figures, final published version in JCAP</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> JCAP 10 (2022) 033 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2205.08629">arXiv:2205.08629</a> <span> [<a href="https://arxiv.org/pdf/2205.08629">pdf</a>, <a href="https://arxiv.org/format/2205.08629">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1140/epjc/s10052-022-11002-8">10.1140/epjc/s10052-022-11002-8 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Mass Testing and Characterization of 20-inch PMTs for JUNO </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Abusleme%2C+A">Angel Abusleme</a>, <a href="/search/hep-ex?searchtype=author&query=Adam%2C+T">Thomas Adam</a>, <a href="/search/hep-ex?searchtype=author&query=Ahmad%2C+S">Shakeel Ahmad</a>, <a href="/search/hep-ex?searchtype=author&query=Ahmed%2C+R">Rizwan Ahmed</a>, <a href="/search/hep-ex?searchtype=author&query=Aiello%2C+S">Sebastiano Aiello</a>, <a href="/search/hep-ex?searchtype=author&query=Akram%2C+M">Muhammad Akram</a>, <a href="/search/hep-ex?searchtype=author&query=Aleem%2C+A">Abid Aleem</a>, <a href="/search/hep-ex?searchtype=author&query=Alexandros%2C+T">Tsagkarakis Alexandros</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+F">Fengpeng An</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+Q">Qi An</a>, <a href="/search/hep-ex?searchtype=author&query=Andronico%2C+G">Giuseppe Andronico</a>, <a href="/search/hep-ex?searchtype=author&query=Anfimov%2C+N">Nikolay Anfimov</a>, <a href="/search/hep-ex?searchtype=author&query=Antonelli%2C+V">Vito Antonelli</a>, <a href="/search/hep-ex?searchtype=author&query=Antoshkina%2C+T">Tatiana Antoshkina</a>, <a href="/search/hep-ex?searchtype=author&query=Asavapibhop%2C+B">Burin Asavapibhop</a>, <a href="/search/hep-ex?searchtype=author&query=de+Andre%2C+J+P+A+M">Joao Pedro Athayde Marcondes de Andre</a>, <a href="/search/hep-ex?searchtype=author&query=Auguste%2C+D">Didier Auguste</a>, <a href="/search/hep-ex?searchtype=author&query=Bai%2C+W">Weidong Bai</a>, <a href="/search/hep-ex?searchtype=author&query=Balashov%2C+N">Nikita Balashov</a>, <a href="/search/hep-ex?searchtype=author&query=Baldini%2C+W">Wander Baldini</a>, <a href="/search/hep-ex?searchtype=author&query=Barresi%2C+A">Andrea Barresi</a>, <a href="/search/hep-ex?searchtype=author&query=Basilico%2C+D">Davide Basilico</a>, <a href="/search/hep-ex?searchtype=author&query=Baussan%2C+E">Eric Baussan</a>, <a href="/search/hep-ex?searchtype=author&query=Bellato%2C+M">Marco Bellato</a>, <a href="/search/hep-ex?searchtype=author&query=Bergnoli%2C+A">Antonio Bergnoli</a> , et al. (541 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2205.08629v2-abstract-short" style="display: inline;"> Main goal of the JUNO experiment is to determine the neutrino mass ordering using a 20kt liquid-scintillator detector. Its key feature is an excellent energy resolution of at least 3 % at 1 MeV, for which its instruments need to meet a certain quality and thus have to be fully characterized. More than 20,000 20-inch PMTs have been received and assessed by JUNO after a detailed testing program whic… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2205.08629v2-abstract-full').style.display = 'inline'; document.getElementById('2205.08629v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2205.08629v2-abstract-full" style="display: none;"> Main goal of the JUNO experiment is to determine the neutrino mass ordering using a 20kt liquid-scintillator detector. Its key feature is an excellent energy resolution of at least 3 % at 1 MeV, for which its instruments need to meet a certain quality and thus have to be fully characterized. More than 20,000 20-inch PMTs have been received and assessed by JUNO after a detailed testing program which began in 2017 and elapsed for about four years. Based on this mass characterization and a set of specific requirements, a good quality of all accepted PMTs could be ascertained. This paper presents the performed testing procedure with the designed testing systems as well as the statistical characteristics of all 20-inch PMTs intended to be used in the JUNO experiment, covering more than fifteen performance parameters including the photocathode uniformity. This constitutes the largest sample of 20-inch PMTs ever produced and studied in detail to date, i.e. 15,000 of the newly developed 20-inch MCP-PMTs from Northern Night Vision Technology Co. (NNVT) and 5,000 of dynode PMTs from Hamamatsu Photonics K. K.(HPK). <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2205.08629v2-abstract-full').style.display = 'none'; document.getElementById('2205.08629v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 17 September, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 17 May, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2022. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2204.13249">arXiv:2204.13249</a> <span> [<a href="https://arxiv.org/pdf/2204.13249">pdf</a>, <a href="https://arxiv.org/format/2204.13249">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1674-1137/ac8bc9">10.1088/1674-1137/ac8bc9 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Sub-percent Precision Measurement of Neutrino Oscillation Parameters with JUNO </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=JUNO+Collaboration"> JUNO Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abusleme%2C+A">Angel Abusleme</a>, <a href="/search/hep-ex?searchtype=author&query=Adam%2C+T">Thomas Adam</a>, <a href="/search/hep-ex?searchtype=author&query=Ahmad%2C+S">Shakeel Ahmad</a>, <a href="/search/hep-ex?searchtype=author&query=Ahmed%2C+R">Rizwan Ahmed</a>, <a href="/search/hep-ex?searchtype=author&query=Aiello%2C+S">Sebastiano Aiello</a>, <a href="/search/hep-ex?searchtype=author&query=Akram%2C+M">Muhammad Akram</a>, <a href="/search/hep-ex?searchtype=author&query=Aleem%2C+A">Abid Aleem</a>, <a href="/search/hep-ex?searchtype=author&query=Alexandros%2C+T">Tsagkarakis Alexandros</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+F">Fengpeng An</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+Q">Qi An</a>, <a href="/search/hep-ex?searchtype=author&query=Andronico%2C+G">Giuseppe Andronico</a>, <a href="/search/hep-ex?searchtype=author&query=Anfimov%2C+N">Nikolay Anfimov</a>, <a href="/search/hep-ex?searchtype=author&query=Antonelli%2C+V">Vito Antonelli</a>, <a href="/search/hep-ex?searchtype=author&query=Antoshkina%2C+T">Tatiana Antoshkina</a>, <a href="/search/hep-ex?searchtype=author&query=Asavapibhop%2C+B">Burin Asavapibhop</a>, <a href="/search/hep-ex?searchtype=author&query=de+Andr%C3%A9%2C+J+P+A+M">Jo茫o Pedro Athayde Marcondes de Andr茅</a>, <a href="/search/hep-ex?searchtype=author&query=Auguste%2C+D">Didier Auguste</a>, <a href="/search/hep-ex?searchtype=author&query=Bai%2C+W">Weidong Bai</a>, <a href="/search/hep-ex?searchtype=author&query=Balashov%2C+N">Nikita Balashov</a>, <a href="/search/hep-ex?searchtype=author&query=Baldini%2C+W">Wander Baldini</a>, <a href="/search/hep-ex?searchtype=author&query=Barresi%2C+A">Andrea Barresi</a>, <a href="/search/hep-ex?searchtype=author&query=Basilico%2C+D">Davide Basilico</a>, <a href="/search/hep-ex?searchtype=author&query=Baussan%2C+E">Eric Baussan</a>, <a href="/search/hep-ex?searchtype=author&query=Bellato%2C+M">Marco Bellato</a> , et al. (581 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2204.13249v1-abstract-short" style="display: inline;"> JUNO is a multi-purpose neutrino observatory under construction in the south of China. This publication presents new sensitivity estimates for the measurement of the $螖m^2_{31}$, $螖m^2_{21}$, $\sin^2 胃_{12}$, and $\sin^2 胃_{13}$ oscillation parameters using reactor antineutrinos, which is one of the primary physics goals of the experiment. The sensitivities are obtained using the best knowledge av… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2204.13249v1-abstract-full').style.display = 'inline'; document.getElementById('2204.13249v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2204.13249v1-abstract-full" style="display: none;"> JUNO is a multi-purpose neutrino observatory under construction in the south of China. This publication presents new sensitivity estimates for the measurement of the $螖m^2_{31}$, $螖m^2_{21}$, $\sin^2 胃_{12}$, and $\sin^2 胃_{13}$ oscillation parameters using reactor antineutrinos, which is one of the primary physics goals of the experiment. The sensitivities are obtained using the best knowledge available to date on the location and overburden of the experimental site, the nuclear reactors in the surrounding area and beyond, the detector response uncertainties, and the reactor antineutrino spectral shape constraints expected from the TAO satellite detector. It is found that the $螖m^2_{31}$, $螖m^2_{21}$, and $\sin^2 胃_{12}$ oscillation parameters will be determined to better than 0.5% precision in six years of data collection, which represents approximately an order of magnitude improvement over existing constraints. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2204.13249v1-abstract-full').style.display = 'none'; document.getElementById('2204.13249v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 27 April, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">29 pages, 10 figures, submitted to Chinese Physics C</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2203.08803">arXiv:2203.08803</a> <span> [<a href="https://arxiv.org/pdf/2203.08803">pdf</a>, <a href="https://arxiv.org/format/2203.08803">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Accelerator Physics">physics.acc-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> </div> <p class="title is-5 mathjax"> The European Spallation Source neutrino Super Beam </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Alekou%2C+A">A. Alekou</a>, <a href="/search/hep-ex?searchtype=author&query=Baussan%2C+E">E. Baussan</a>, <a href="/search/hep-ex?searchtype=author&query=Kraljevic%2C+N+B">N. Blaskovic Kraljevic</a>, <a href="/search/hep-ex?searchtype=author&query=Blennow%2C+M">M. Blennow</a>, <a href="/search/hep-ex?searchtype=author&query=Bogomilov%2C+M">M. Bogomilov</a>, <a href="/search/hep-ex?searchtype=author&query=Bouquerel%2C+E">E. Bouquerel</a>, <a href="/search/hep-ex?searchtype=author&query=Burgman%2C+A">A. Burgman</a>, <a href="/search/hep-ex?searchtype=author&query=Carlile%2C+C+J">C. J. Carlile</a>, <a href="/search/hep-ex?searchtype=author&query=Cederkall%2C+J">J. Cederkall</a>, <a href="/search/hep-ex?searchtype=author&query=Christiansen%2C+P">P. Christiansen</a>, <a href="/search/hep-ex?searchtype=author&query=Collins%2C+M">M. Collins</a>, <a href="/search/hep-ex?searchtype=author&query=Morales%2C+E+C">E. Cristaldo Morales</a>, <a href="/search/hep-ex?searchtype=author&query=Cupial%2C+P">P. Cupial</a>, <a href="/search/hep-ex?searchtype=author&query=Alessi%2C+L+D">L. D Alessi</a>, <a href="/search/hep-ex?searchtype=author&query=Danared%2C+H">H. Danared</a>, <a href="/search/hep-ex?searchtype=author&query=de+Andre%2C+J+P+A+M">J. P. A. M. de Andre</a>, <a href="/search/hep-ex?searchtype=author&query=Delahaye%2C+J+P">J. P. Delahaye</a>, <a href="/search/hep-ex?searchtype=author&query=Dracos%2C+M">M. Dracos</a>, <a href="/search/hep-ex?searchtype=author&query=Efthymiopoulos%2C+I">I. Efthymiopoulos</a>, <a href="/search/hep-ex?searchtype=author&query=Ekelof%2C+T">T. Ekelof</a>, <a href="/search/hep-ex?searchtype=author&query=Eshraqi%2C+M">M. Eshraqi</a>, <a href="/search/hep-ex?searchtype=author&query=Fanourakis%2C+G">G. Fanourakis</a>, <a href="/search/hep-ex?searchtype=author&query=Fernandez-Martinez%2C+E">E. Fernandez-Martinez</a>, <a href="/search/hep-ex?searchtype=author&query=Folsom%2C+B">B. Folsom</a>, <a href="/search/hep-ex?searchtype=author&query=Gazis%2C+N">N. Gazis</a> , et al. (37 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2203.08803v1-abstract-short" style="display: inline;"> In this Snowmass 2021 white paper, we summarise the Conceptual Design of the European Spallation Source neutrino Super Beam (ESSvSB) experiment and its synergies with the possible future muon based facilities, e.g. a Low Energy nuSTORM and the Muon Collider. The ESSvSB will benefit from the high power, 5 MW, of the European Spallation Source (ESS) LINAC in Lund-Sweden to produce the world most int… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.08803v1-abstract-full').style.display = 'inline'; document.getElementById('2203.08803v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2203.08803v1-abstract-full" style="display: none;"> In this Snowmass 2021 white paper, we summarise the Conceptual Design of the European Spallation Source neutrino Super Beam (ESSvSB) experiment and its synergies with the possible future muon based facilities, e.g. a Low Energy nuSTORM and the Muon Collider. The ESSvSB will benefit from the high power, 5 MW, of the European Spallation Source (ESS) LINAC in Lund-Sweden to produce the world most intense neutrino beam, enabling measurements to be made at the second oscillation maximum. Assuming a ten-year exposure, physics simulations show that the CP-invariance violation can be established with a significance of 5 sigma over more than 70% of all values of delta CP and with an error in the measurement of the delta CP angle of less than 8 degree for all values of delta CP. However, several technological and physics challenges must be further studied before achieving a final Technical Design. Measuring at the 2nd oscillation maximum necessitates a very intense neutrino beam with the appropriate energy. For this, the ESS proton beam LINAC, which is designed to produce the world's most intense neutron beam, will need to be upgraded to 10 MW power, 2.5 GeV energy and 28 Hz beam pulse repetition rate. An accumulator ring will be required for the compression of the ESS LINAC beam pulse from 2.86 ms to 1.3 mus. A high power target station facility will be needed to produce a well-focused intense (super) mu-neutrino beam. The physics performance of that neutrino Super Beam in conjunction with a megaton underground Water Cherenkov neutrino far detector installed at a distance of either 360 km or 540 km from the ESS, the baseline, has been evaluated. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.08803v1-abstract-full').style.display = 'none'; document.getElementById('2203.08803v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 15 March, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">contribution to Snowmass 2021</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2112.14450">arXiv:2112.14450</a> <span> [<a href="https://arxiv.org/pdf/2112.14450">pdf</a>, <a href="https://arxiv.org/format/2112.14450">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1007/JHEP06(2022)062">10.1007/JHEP06(2022)062 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Damping signatures at JUNO, a medium-baseline reactor neutrino oscillation experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=JUNO+collaboration"> JUNO collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Wang%2C+J">Jun Wang</a>, <a href="/search/hep-ex?searchtype=author&query=Liao%2C+J">Jiajun Liao</a>, <a href="/search/hep-ex?searchtype=author&query=Wang%2C+W">Wei Wang</a>, <a href="/search/hep-ex?searchtype=author&query=Abusleme%2C+A">Angel Abusleme</a>, <a href="/search/hep-ex?searchtype=author&query=Adam%2C+T">Thomas Adam</a>, <a href="/search/hep-ex?searchtype=author&query=Ahmad%2C+S">Shakeel Ahmad</a>, <a href="/search/hep-ex?searchtype=author&query=Ahmed%2C+R">Rizwan Ahmed</a>, <a href="/search/hep-ex?searchtype=author&query=Aiello%2C+S">Sebastiano Aiello</a>, <a href="/search/hep-ex?searchtype=author&query=Akram%2C+M">Muhammad Akram</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+F">Fengpeng An</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+Q">Qi An</a>, <a href="/search/hep-ex?searchtype=author&query=Andronico%2C+G">Giuseppe Andronico</a>, <a href="/search/hep-ex?searchtype=author&query=Anfimov%2C+N">Nikolay Anfimov</a>, <a href="/search/hep-ex?searchtype=author&query=Antonelli%2C+V">Vito Antonelli</a>, <a href="/search/hep-ex?searchtype=author&query=Antoshkina%2C+T">Tatiana Antoshkina</a>, <a href="/search/hep-ex?searchtype=author&query=Asavapibhop%2C+B">Burin Asavapibhop</a>, <a href="/search/hep-ex?searchtype=author&query=de+Andr%C3%A9%2C+J+P+A+M">Jo茫o Pedro Athayde Marcondes de Andr茅</a>, <a href="/search/hep-ex?searchtype=author&query=Auguste%2C+D">Didier Auguste</a>, <a href="/search/hep-ex?searchtype=author&query=Babic%2C+A">Andrej Babic</a>, <a href="/search/hep-ex?searchtype=author&query=Balashov%2C+N">Nikita Balashov</a>, <a href="/search/hep-ex?searchtype=author&query=Baldini%2C+W">Wander Baldini</a>, <a href="/search/hep-ex?searchtype=author&query=Barresi%2C+A">Andrea Barresi</a>, <a href="/search/hep-ex?searchtype=author&query=Basilico%2C+D">Davide Basilico</a>, <a href="/search/hep-ex?searchtype=author&query=Baussan%2C+E">Eric Baussan</a> , et al. (582 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2112.14450v2-abstract-short" style="display: inline;"> We study damping signatures at the Jiangmen Underground Neutrino Observatory (JUNO), a medium-baseline reactor neutrino oscillation experiment. These damping signatures are motivated by various new physics models, including quantum decoherence, $谓_3$ decay, neutrino absorption, and wave packet decoherence. The phenomenological effects of these models can be characterized by exponential damping fac… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2112.14450v2-abstract-full').style.display = 'inline'; document.getElementById('2112.14450v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2112.14450v2-abstract-full" style="display: none;"> We study damping signatures at the Jiangmen Underground Neutrino Observatory (JUNO), a medium-baseline reactor neutrino oscillation experiment. These damping signatures are motivated by various new physics models, including quantum decoherence, $谓_3$ decay, neutrino absorption, and wave packet decoherence. The phenomenological effects of these models can be characterized by exponential damping factors at the probability level. We assess how well JUNO can constrain these damping parameters and how to disentangle these different damping signatures at JUNO. Compared to current experimental limits, JUNO can significantly improve the limits on $蟿_3/m_3$ in the $谓_3$ decay model, the width of the neutrino wave packet $蟽_x$, and the intrinsic relative dispersion of neutrino momentum $蟽_{\rm rel}$. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2112.14450v2-abstract-full').style.display = 'none'; document.getElementById('2112.14450v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 14 June, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 29 December, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2021. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">17 pages, 2 figures, 4 tables. Version published in JHEP</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> JHEP06(2022)062 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2108.06293">arXiv:2108.06293</a> <span> [<a href="https://arxiv.org/pdf/2108.06293">pdf</a>, <a href="https://arxiv.org/format/2108.06293">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1007/JHEP03(2022)055">10.1007/JHEP03(2022)055 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Combined sensitivity of JUNO and KM3NeT/ORCA to the neutrino mass ordering </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=KM3NeT+Collaboration"> KM3NeT Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aiello%2C+S">S. Aiello</a>, <a href="/search/hep-ex?searchtype=author&query=Albert%2C+A">A. Albert</a>, <a href="/search/hep-ex?searchtype=author&query=Alshamsi%2C+M">M. Alshamsi</a>, <a href="/search/hep-ex?searchtype=author&query=Garre%2C+S+A">S. Alves Garre</a>, <a href="/search/hep-ex?searchtype=author&query=Aly%2C+Z">Z. Aly</a>, <a href="/search/hep-ex?searchtype=author&query=Ambrosone%2C+A">A. Ambrosone</a>, <a href="/search/hep-ex?searchtype=author&query=Ameli%2C+F">F. Ameli</a>, <a href="/search/hep-ex?searchtype=author&query=Andre%2C+M">M. Andre</a>, <a href="/search/hep-ex?searchtype=author&query=Androulakis%2C+G">G. Androulakis</a>, <a href="/search/hep-ex?searchtype=author&query=Anghinolfi%2C+M">M. Anghinolfi</a>, <a href="/search/hep-ex?searchtype=author&query=Anguita%2C+M">M. Anguita</a>, <a href="/search/hep-ex?searchtype=author&query=Ardid%2C+M">M. Ardid</a>, <a href="/search/hep-ex?searchtype=author&query=Ardid%2C+S">S. Ardid</a>, <a href="/search/hep-ex?searchtype=author&query=Aublin%2C+J">J. Aublin</a>, <a href="/search/hep-ex?searchtype=author&query=Bagatelas%2C+C">C. Bagatelas</a>, <a href="/search/hep-ex?searchtype=author&query=Baret%2C+B">B. Baret</a>, <a href="/search/hep-ex?searchtype=author&query=Pree%2C+S+B+d">S. Basegmez du Pree</a>, <a href="/search/hep-ex?searchtype=author&query=Bendahman%2C+M">M. Bendahman</a>, <a href="/search/hep-ex?searchtype=author&query=Benfenati%2C+F">F. Benfenati</a>, <a href="/search/hep-ex?searchtype=author&query=Berbee%2C+E">E. Berbee</a>, <a href="/search/hep-ex?searchtype=author&query=Berg%2C+A+M+v+d">A. M. van den Berg</a>, <a href="/search/hep-ex?searchtype=author&query=Bertin%2C+V">V. Bertin</a>, <a href="/search/hep-ex?searchtype=author&query=Biagi%2C+S">S. Biagi</a>, <a href="/search/hep-ex?searchtype=author&query=Boettcher%2C+M">M. Boettcher</a> , et al. (253 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2108.06293v1-abstract-short" style="display: inline;"> This article presents the potential of a combined analysis of the JUNO and KM3NeT/ORCA experiments to determine the neutrino mass ordering. This combination is particularly interesting as it significantly boosts the potential of either detector, beyond simply adding their neutrino mass ordering sensitivities, by removing a degeneracy in the determination of $螖m_{31}^2$ between the two experiments… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2108.06293v1-abstract-full').style.display = 'inline'; document.getElementById('2108.06293v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2108.06293v1-abstract-full" style="display: none;"> This article presents the potential of a combined analysis of the JUNO and KM3NeT/ORCA experiments to determine the neutrino mass ordering. This combination is particularly interesting as it significantly boosts the potential of either detector, beyond simply adding their neutrino mass ordering sensitivities, by removing a degeneracy in the determination of $螖m_{31}^2$ between the two experiments when assuming the wrong ordering. The study is based on the latest projected performances for JUNO, and on simulation tools using a full Monte Carlo approach to the KM3NeT/ORCA response with a careful assessment of its energy systematics. From this analysis, a $5蟽$ determination of the neutrino mass ordering is expected after 6 years of joint data taking for any value of the oscillation parameters. This sensitivity would be achieved after only 2 years of joint data taking assuming the current global best-fit values for those parameters for normal ordering. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2108.06293v1-abstract-full').style.display = 'none'; document.getElementById('2108.06293v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 13 August, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2021. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">24 pages, 9 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> JHEP 03 (2022) 055 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2107.07585">arXiv:2107.07585</a> <span> [<a href="https://arxiv.org/pdf/2107.07585">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1140/epjc/s10052-021-09845-8">10.1140/epjc/s10052-021-09845-8 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Updated physics performance of the ESSnuSB experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Alekou%2C+A">A. Alekou</a>, <a href="/search/hep-ex?searchtype=author&query=Baussan%2C+E">E. Baussan</a>, <a href="/search/hep-ex?searchtype=author&query=Kraljevic%2C+N+B">N. Blaskovic Kraljevic</a>, <a href="/search/hep-ex?searchtype=author&query=Blennow%2C+M">M. Blennow</a>, <a href="/search/hep-ex?searchtype=author&query=Bogomilov%2C+M">M. Bogomilov</a>, <a href="/search/hep-ex?searchtype=author&query=Bouquerel%2C+E">E. Bouquerel</a>, <a href="/search/hep-ex?searchtype=author&query=Burgman%2C+A">A. Burgman</a>, <a href="/search/hep-ex?searchtype=author&query=Carlile%2C+C+J">C. J. Carlile</a>, <a href="/search/hep-ex?searchtype=author&query=Cederkall%2C+J">J. Cederkall</a>, <a href="/search/hep-ex?searchtype=author&query=Christiansen%2C+P">P. Christiansen</a>, <a href="/search/hep-ex?searchtype=author&query=Collins%2C+M">M. Collins</a>, <a href="/search/hep-ex?searchtype=author&query=Morales%2C+E+C">E. Cristaldo Morales</a>, <a href="/search/hep-ex?searchtype=author&query=D%27Alessi%2C+L">L. D'Alessi</a>, <a href="/search/hep-ex?searchtype=author&query=Danared%2C+H">H. Danared</a>, <a href="/search/hep-ex?searchtype=author&query=de+Andr%C3%A9%2C+J+P+A+M">J. P. A. M. de Andr茅</a>, <a href="/search/hep-ex?searchtype=author&query=Delahaye%2C+J+P">J. P. Delahaye</a>, <a href="/search/hep-ex?searchtype=author&query=Dracos%2C+M">M. Dracos</a>, <a href="/search/hep-ex?searchtype=author&query=Efthymiopoulos%2C+I">I. Efthymiopoulos</a>, <a href="/search/hep-ex?searchtype=author&query=Ekel%C3%B6f%2C+T">T. Ekel枚f</a>, <a href="/search/hep-ex?searchtype=author&query=Eshraqi%2C+M">M. Eshraqi</a>, <a href="/search/hep-ex?searchtype=author&query=Fanourakis%2C+G">G. Fanourakis</a>, <a href="/search/hep-ex?searchtype=author&query=Fernandez-Martinez%2C+E">E. Fernandez-Martinez</a>, <a href="/search/hep-ex?searchtype=author&query=Folsom%2C+B">B. Folsom</a>, <a href="/search/hep-ex?searchtype=author&query=Ghosh%2C+M">M. Ghosh</a>, <a href="/search/hep-ex?searchtype=author&query=Gokbulut%2C+G">G. Gokbulut</a> , et al. (26 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2107.07585v3-abstract-short" style="display: inline;"> In this paper, we present the physics performance of the ESSnuSB experiment in the standard three flavor scenario using the updated neutrino flux calculated specifically for the ESSnuSB configuration and updated migration matrices for the far detector. Taking conservative systematic uncertainties corresponding to a normalization error of $5\%$ for signal and $10\%$ for background, we find that the… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2107.07585v3-abstract-full').style.display = 'inline'; document.getElementById('2107.07585v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2107.07585v3-abstract-full" style="display: none;"> In this paper, we present the physics performance of the ESSnuSB experiment in the standard three flavor scenario using the updated neutrino flux calculated specifically for the ESSnuSB configuration and updated migration matrices for the far detector. Taking conservative systematic uncertainties corresponding to a normalization error of $5\%$ for signal and $10\%$ for background, we find that there is $10蟽$ $(13蟽)$ CP violation discovery sensitivity for the baseline option of 540 km (360 km) at $未_{\rm CP} = \pm 90^\circ$. The corresponding fraction of $未_{\rm CP}$ for which CP violation can be discovered at more than $5 蟽$ is $70\%$. Regarding CP precision measurements, the $1蟽$ error associated with $未_{\rm CP} = 0^\circ$ is around $5^\circ$ and with $未_{\rm CP} = -90^\circ$ is around $14^\circ$ $(7^\circ)$ for the baseline option of 540 km (360 km). For hierarchy sensitivity, one can have $3蟽$ sensitivity for 540 km baseline except $未_{\rm CP} = \pm 90^\circ$ and $5蟽$ sensitivity for 360 km baseline for all values of $未_{\rm CP}$. The octant of $胃_{23}$ can be determined at $3 蟽$ for the values of: $胃_{23} > 51^\circ$ ($胃_{23} < 42^\circ$ and $胃_{23} > 49^\circ$) for baseline of 540 km (360 km). Regarding measurement precision of the atmospheric mixing parameters, the allowed values at $3 蟽$ are: $40^\circ < 胃_{23} < 52^\circ$ ($42^\circ < 胃_{23} < 51.5^\circ$) and $2.485 \times 10^{-3}$ eV$^2 < 螖m^2_{31} < 2.545 \times 10^{-3}$ eV$^2$ ($2.49 \times 10^{-3}$ eV$^2 < 螖m^2_{31} < 2.54 \times 10^{-3}$ eV$^2$) for the baseline of 540 km (360 km). <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2107.07585v3-abstract-full').style.display = 'none'; document.getElementById('2107.07585v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 24 December, 2021; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 25 June, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2021. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">13 pages, 8 figures, 3 tables. Changes: Text updated, this is a published version</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Eur. Phys. J. C 81, 1130 (2021) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2104.02565">arXiv:2104.02565</a> <span> [<a href="https://arxiv.org/pdf/2104.02565">pdf</a>, <a href="https://arxiv.org/format/2104.02565">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.ppnp.2021.103927">10.1016/j.ppnp.2021.103927 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> JUNO Physics and Detector </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=JUNO+Collaboration"> JUNO Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abusleme%2C+A">Angel Abusleme</a>, <a href="/search/hep-ex?searchtype=author&query=Adam%2C+T">Thomas Adam</a>, <a href="/search/hep-ex?searchtype=author&query=Ahmad%2C+S">Shakeel Ahmad</a>, <a href="/search/hep-ex?searchtype=author&query=Ahmed%2C+R">Rizwan Ahmed</a>, <a href="/search/hep-ex?searchtype=author&query=Aiello%2C+S">Sebastiano Aiello</a>, <a href="/search/hep-ex?searchtype=author&query=Akram%2C+M">Muhammad Akram</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+F">Fengpeng An</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+G">Guangpeng An</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+Q">Qi An</a>, <a href="/search/hep-ex?searchtype=author&query=Andronico%2C+G">Giuseppe Andronico</a>, <a href="/search/hep-ex?searchtype=author&query=Anfimov%2C+N">Nikolay Anfimov</a>, <a href="/search/hep-ex?searchtype=author&query=Antonelli%2C+V">Vito Antonelli</a>, <a href="/search/hep-ex?searchtype=author&query=Antoshkina%2C+T">Tatiana Antoshkina</a>, <a href="/search/hep-ex?searchtype=author&query=Asavapibhop%2C+B">Burin Asavapibhop</a>, <a href="/search/hep-ex?searchtype=author&query=de+Andr%C3%A9%2C+J+P+A+M">Jo茫o Pedro Athayde Marcondes de Andr茅</a>, <a href="/search/hep-ex?searchtype=author&query=Auguste%2C+D">Didier Auguste</a>, <a href="/search/hep-ex?searchtype=author&query=Babic%2C+A">Andrej Babic</a>, <a href="/search/hep-ex?searchtype=author&query=Baldini%2C+W">Wander Baldini</a>, <a href="/search/hep-ex?searchtype=author&query=Barresi%2C+A">Andrea Barresi</a>, <a href="/search/hep-ex?searchtype=author&query=Baussan%2C+E">Eric Baussan</a>, <a href="/search/hep-ex?searchtype=author&query=Bellato%2C+M">Marco Bellato</a>, <a href="/search/hep-ex?searchtype=author&query=Bergnoli%2C+A">Antonio Bergnoli</a>, <a href="/search/hep-ex?searchtype=author&query=Bernieri%2C+E">Enrico Bernieri</a>, <a href="/search/hep-ex?searchtype=author&query=Birkenfeld%2C+T">Thilo Birkenfeld</a> , et al. (591 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2104.02565v2-abstract-short" style="display: inline;"> The Jiangmen Underground Neutrino Observatory (JUNO) is a 20 kton LS detector at 700-m underground. An excellent energy resolution and a large fiducial volume offer exciting opportunities for addressing many important topics in neutrino and astro-particle physics. With 6 years of data, the neutrino mass ordering can be determined at 3-4 sigma and three oscillation parameters can be measured to a p… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2104.02565v2-abstract-full').style.display = 'inline'; document.getElementById('2104.02565v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2104.02565v2-abstract-full" style="display: none;"> The Jiangmen Underground Neutrino Observatory (JUNO) is a 20 kton LS detector at 700-m underground. An excellent energy resolution and a large fiducial volume offer exciting opportunities for addressing many important topics in neutrino and astro-particle physics. With 6 years of data, the neutrino mass ordering can be determined at 3-4 sigma and three oscillation parameters can be measured to a precision of 0.6% or better by detecting reactor antineutrinos. With 10 years of data, DSNB could be observed at 3-sigma; a lower limit of the proton lifetime of 8.34e33 years (90% C.L.) can be set by searching for p->nu_bar K^+; detection of solar neutrinos would shed new light on the solar metallicity problem and examine the vacuum-matter transition region. A core-collapse supernova at 10 kpc would lead to ~5000 IBD and ~2000 (300) all-flavor neutrino-proton (electron) scattering events. Geo-neutrinos can be detected with a rate of ~400 events/year. We also summarize the final design of the JUNO detector and the key R&D achievements. All 20-inch PMTs have been tested. The average photon detection efficiency is 28.9% for the 15,000 MCP PMTs and 28.1% for the 5,000 dynode PMTs, higher than the JUNO requirement of 27%. Together with the >20 m attenuation length of LS, we expect a yield of 1345 p.e. per MeV and an effective energy resolution of 3.02%/\sqrt{E (MeV)}$ in simulations. The underwater electronics is designed to have a loss rate <0.5% in 6 years. With degassing membranes and a micro-bubble system, the radon concentration in the 35-kton water pool could be lowered to <10 mBq/m^3. Acrylic panels of radiopurity <0.5 ppt U/Th are produced. The 20-kton LS will be purified onsite. Singles in the fiducial volume can be controlled to ~10 Hz. The JUNO experiment also features a double calorimeter system with 25,600 3-inch PMTs, a LS testing facility OSIRIS, and a near detector TAO. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2104.02565v2-abstract-full').style.display = 'none'; document.getElementById('2104.02565v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 12 May, 2021; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 6 April, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2021. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">A review paper with 78 pages and 32 figures. v2: minor revision. Final version to appear in Progress in Particle and Nuclear Physics</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2103.09908">arXiv:2103.09908</a> <span> [<a href="https://arxiv.org/pdf/2103.09908">pdf</a>, <a href="https://arxiv.org/format/2103.09908">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1140/epjc/s10052-021-09565-z">10.1140/epjc/s10052-021-09565-z <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> JUNO sensitivity to low energy atmospheric neutrino spectra </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=JUNO+Collaboration"> JUNO Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abusleme%2C+A">Angel Abusleme</a>, <a href="/search/hep-ex?searchtype=author&query=Adam%2C+T">Thomas Adam</a>, <a href="/search/hep-ex?searchtype=author&query=Ahmad%2C+S">Shakeel Ahmad</a>, <a href="/search/hep-ex?searchtype=author&query=Ahmed%2C+R">Rizwan Ahmed</a>, <a href="/search/hep-ex?searchtype=author&query=Aiello%2C+S">Sebastiano Aiello</a>, <a href="/search/hep-ex?searchtype=author&query=Akram%2C+M">Muhammad Akram</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+F">Fengpeng An</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+G">Guangpeng An</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+Q">Qi An</a>, <a href="/search/hep-ex?searchtype=author&query=Andronico%2C+G">Giuseppe Andronico</a>, <a href="/search/hep-ex?searchtype=author&query=Anfimov%2C+N">Nikolay Anfimov</a>, <a href="/search/hep-ex?searchtype=author&query=Antonelli%2C+V">Vito Antonelli</a>, <a href="/search/hep-ex?searchtype=author&query=Antoshkina%2C+T">Tatiana Antoshkina</a>, <a href="/search/hep-ex?searchtype=author&query=Asavapibhop%2C+B">Burin Asavapibhop</a>, <a href="/search/hep-ex?searchtype=author&query=de+Andr%C3%A9%2C+J+P+A+M">Jo茫o Pedro Athayde Marcondes de Andr茅</a>, <a href="/search/hep-ex?searchtype=author&query=Auguste%2C+D">Didier Auguste</a>, <a href="/search/hep-ex?searchtype=author&query=Babic%2C+A">Andrej Babic</a>, <a href="/search/hep-ex?searchtype=author&query=Baldini%2C+W">Wander Baldini</a>, <a href="/search/hep-ex?searchtype=author&query=Barresi%2C+A">Andrea Barresi</a>, <a href="/search/hep-ex?searchtype=author&query=Baussan%2C+E">Eric Baussan</a>, <a href="/search/hep-ex?searchtype=author&query=Bellato%2C+M">Marco Bellato</a>, <a href="/search/hep-ex?searchtype=author&query=Bergnoli%2C+A">Antonio Bergnoli</a>, <a href="/search/hep-ex?searchtype=author&query=Bernieri%2C+E">Enrico Bernieri</a>, <a href="/search/hep-ex?searchtype=author&query=Birkenfeld%2C+T">Thilo Birkenfeld</a> , et al. (588 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2103.09908v3-abstract-short" style="display: inline;"> Atmospheric neutrinos are one of the most relevant natural neutrino sources that can be exploited to infer properties about cosmic rays and neutrino oscillations. The Jiangmen Underground Neutrino Observatory (JUNO) experiment, a 20 kton liquid scintillator detector with excellent energy resolution is currently under construction in China. JUNO will be able to detect several atmospheric neutrinos… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2103.09908v3-abstract-full').style.display = 'inline'; document.getElementById('2103.09908v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2103.09908v3-abstract-full" style="display: none;"> Atmospheric neutrinos are one of the most relevant natural neutrino sources that can be exploited to infer properties about cosmic rays and neutrino oscillations. The Jiangmen Underground Neutrino Observatory (JUNO) experiment, a 20 kton liquid scintillator detector with excellent energy resolution is currently under construction in China. JUNO will be able to detect several atmospheric neutrinos per day given the large volume. A study on the JUNO detection and reconstruction capabilities of atmospheric $谓_e$ and $谓_渭$ fluxes is presented in this paper. In this study, a sample of atmospheric neutrino Monte Carlo events has been generated, starting from theoretical models, and then processed by the detector simulation. The excellent timing resolution of the 3'' PMT light detection system of JUNO detector and the much higher light yield for scintillation over Cherenkov allow to measure the time structure of the scintillation light with very high precision. Since $谓_e$ and $谓_渭$ interactions produce a slightly different light pattern, the different time evolution of light allows to discriminate the flavor of primary neutrinos. A probabilistic unfolding method has been used, in order to infer the primary neutrino energy spectrum from the detector experimental observables. The simulated spectrum has been reconstructed between 100 MeV and 10 GeV, showing a great potential of the detector in the atmospheric low energy region. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2103.09908v3-abstract-full').style.display = 'none'; document.getElementById('2103.09908v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 12 October, 2021; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 17 March, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2021. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">25 pages, 9 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Eur. Phys. J. C, 81 10 (2021) 887 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2011.06405">arXiv:2011.06405</a> <span> [<a href="https://arxiv.org/pdf/2011.06405">pdf</a>, <a href="https://arxiv.org/format/2011.06405">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1007/JHEP03(2021)004">10.1007/JHEP03(2021)004 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Calibration Strategy of the JUNO Experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=JUNO+collaboration"> JUNO collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abusleme%2C+A">Angel Abusleme</a>, <a href="/search/hep-ex?searchtype=author&query=Adam%2C+T">Thomas Adam</a>, <a href="/search/hep-ex?searchtype=author&query=Ahmad%2C+S">Shakeel Ahmad</a>, <a href="/search/hep-ex?searchtype=author&query=Ahmed%2C+R">Rizwan Ahmed</a>, <a href="/search/hep-ex?searchtype=author&query=Aiello%2C+S">Sebastiano Aiello</a>, <a href="/search/hep-ex?searchtype=author&query=Akram%2C+M">Muhammad Akram</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+F">Fengpeng An</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+G">Guangpeng An</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+Q">Qi An</a>, <a href="/search/hep-ex?searchtype=author&query=Andronico%2C+G">Giuseppe Andronico</a>, <a href="/search/hep-ex?searchtype=author&query=Anfimov%2C+N">Nikolay Anfimov</a>, <a href="/search/hep-ex?searchtype=author&query=Antonelli%2C+V">Vito Antonelli</a>, <a href="/search/hep-ex?searchtype=author&query=Antoshkina%2C+T">Tatiana Antoshkina</a>, <a href="/search/hep-ex?searchtype=author&query=Asavapibhop%2C+B">Burin Asavapibhop</a>, <a href="/search/hep-ex?searchtype=author&query=de+Andr%C3%A9%2C+J+P+A+M">Jo茫o Pedro Athayde Marcondes de Andr茅</a>, <a href="/search/hep-ex?searchtype=author&query=Auguste%2C+D">Didier Auguste</a>, <a href="/search/hep-ex?searchtype=author&query=Babic%2C+A">Andrej Babic</a>, <a href="/search/hep-ex?searchtype=author&query=Baldini%2C+W">Wander Baldini</a>, <a href="/search/hep-ex?searchtype=author&query=Barresi%2C+A">Andrea Barresi</a>, <a href="/search/hep-ex?searchtype=author&query=Baussan%2C+E">Eric Baussan</a>, <a href="/search/hep-ex?searchtype=author&query=Bellato%2C+M">Marco Bellato</a>, <a href="/search/hep-ex?searchtype=author&query=Bergnoli%2C+A">Antonio Bergnoli</a>, <a href="/search/hep-ex?searchtype=author&query=Bernieri%2C+E">Enrico Bernieri</a>, <a href="/search/hep-ex?searchtype=author&query=Birkenfeld%2C+T">Thilo Birkenfeld</a> , et al. (571 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2011.06405v3-abstract-short" style="display: inline;"> We present the calibration strategy for the 20 kton liquid scintillator central detector of the Jiangmen Underground Neutrino Observatory (JUNO). By utilizing a comprehensive multiple-source and multiple-positional calibration program, in combination with a novel dual calorimetry technique exploiting two independent photosensors and readout systems, we demonstrate that the JUNO central detector ca… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2011.06405v3-abstract-full').style.display = 'inline'; document.getElementById('2011.06405v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2011.06405v3-abstract-full" style="display: none;"> We present the calibration strategy for the 20 kton liquid scintillator central detector of the Jiangmen Underground Neutrino Observatory (JUNO). By utilizing a comprehensive multiple-source and multiple-positional calibration program, in combination with a novel dual calorimetry technique exploiting two independent photosensors and readout systems, we demonstrate that the JUNO central detector can achieve a better than 1% energy linearity and a 3% effective energy resolution, required by the neutrino mass ordering determination. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2011.06405v3-abstract-full').style.display = 'none'; document.getElementById('2011.06405v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 20 January, 2021; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 12 November, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2020. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2007.00314">arXiv:2007.00314</a> <span> [<a href="https://arxiv.org/pdf/2007.00314">pdf</a>, <a href="https://arxiv.org/format/2007.00314">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> </div> <p class="title is-5 mathjax"> Optimization of the JUNO liquid scintillator composition using a Daya Bay antineutrino detector </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Bay%2C+D">Daya Bay</a>, <a href="/search/hep-ex?searchtype=author&query=collaborations%2C+J">JUNO collaborations</a>, <a href="/search/hep-ex?searchtype=author&query=%3A"> :</a>, <a href="/search/hep-ex?searchtype=author&query=Abusleme%2C+A">A. Abusleme</a>, <a href="/search/hep-ex?searchtype=author&query=Adam%2C+T">T. Adam</a>, <a href="/search/hep-ex?searchtype=author&query=Ahmad%2C+S">S. Ahmad</a>, <a href="/search/hep-ex?searchtype=author&query=Aiello%2C+S">S. Aiello</a>, <a href="/search/hep-ex?searchtype=author&query=Akram%2C+M">M. Akram</a>, <a href="/search/hep-ex?searchtype=author&query=Ali%2C+N">N. Ali</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+F+P">F. P. An</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+G+P">G. P. An</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+Q">Q. An</a>, <a href="/search/hep-ex?searchtype=author&query=Andronico%2C+G">G. Andronico</a>, <a href="/search/hep-ex?searchtype=author&query=Anfimov%2C+N">N. Anfimov</a>, <a href="/search/hep-ex?searchtype=author&query=Antonelli%2C+V">V. Antonelli</a>, <a href="/search/hep-ex?searchtype=author&query=Antoshkina%2C+T">T. Antoshkina</a>, <a href="/search/hep-ex?searchtype=author&query=Asavapibhop%2C+B">B. Asavapibhop</a>, <a href="/search/hep-ex?searchtype=author&query=de+Andr%C3%A9%2C+J+P+A+M">J. P. A. M. de Andr茅</a>, <a href="/search/hep-ex?searchtype=author&query=Babic%2C+A">A. Babic</a>, <a href="/search/hep-ex?searchtype=author&query=Balantekin%2C+A+B">A. B. Balantekin</a>, <a href="/search/hep-ex?searchtype=author&query=Baldini%2C+W">W. Baldini</a>, <a href="/search/hep-ex?searchtype=author&query=Baldoncini%2C+M">M. Baldoncini</a>, <a href="/search/hep-ex?searchtype=author&query=Band%2C+H+R">H. R. Band</a>, <a href="/search/hep-ex?searchtype=author&query=Barresi%2C+A">A. Barresi</a>, <a href="/search/hep-ex?searchtype=author&query=Baussan%2C+E">E. Baussan</a> , et al. (642 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2007.00314v1-abstract-short" style="display: inline;"> To maximize the light yield of the liquid scintillator (LS) for the Jiangmen Underground Neutrino Observatory (JUNO), a 20 t LS sample was produced in a pilot plant at Daya Bay. The optical properties of the new LS in various compositions were studied by replacing the gadolinium-loaded LS in one antineutrino detector. The concentrations of the fluor, PPO, and the wavelength shifter, bis-MSB, were… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2007.00314v1-abstract-full').style.display = 'inline'; document.getElementById('2007.00314v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2007.00314v1-abstract-full" style="display: none;"> To maximize the light yield of the liquid scintillator (LS) for the Jiangmen Underground Neutrino Observatory (JUNO), a 20 t LS sample was produced in a pilot plant at Daya Bay. The optical properties of the new LS in various compositions were studied by replacing the gadolinium-loaded LS in one antineutrino detector. The concentrations of the fluor, PPO, and the wavelength shifter, bis-MSB, were increased in 12 steps from 0.5 g/L and <0.01 mg/L to 4 g/L and 13 mg/L, respectively. The numbers of total detected photoelectrons suggest that, with the optically purified solvent, the bis-MSB concentration does not need to be more than 4 mg/L. To bridge the one order of magnitude in the detector size difference between Daya Bay and JUNO, the Daya Bay data were used to tune the parameters of a newly developed optical model. Then, the model and tuned parameters were used in the JUNO simulation. This enabled to determine the optimal composition for the JUNO LS: purified solvent LAB with 2.5 g/L PPO, and 1 to 4 mg/L bis-MSB. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2007.00314v1-abstract-full').style.display = 'none'; document.getElementById('2007.00314v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 1 July, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2020. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">13 pages, 8 figures</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2006.11760">arXiv:2006.11760</a> <span> [<a href="https://arxiv.org/pdf/2006.11760">pdf</a>, <a href="https://arxiv.org/format/2006.11760">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> Feasibility and physics potential of detecting $^8$B solar neutrinos at JUNO </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=JUNO+collaboration"> JUNO collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abusleme%2C+A">Angel Abusleme</a>, <a href="/search/hep-ex?searchtype=author&query=Adam%2C+T">Thomas Adam</a>, <a href="/search/hep-ex?searchtype=author&query=Ahmad%2C+S">Shakeel Ahmad</a>, <a href="/search/hep-ex?searchtype=author&query=Aiello%2C+S">Sebastiano Aiello</a>, <a href="/search/hep-ex?searchtype=author&query=Akram%2C+M">Muhammad Akram</a>, <a href="/search/hep-ex?searchtype=author&query=Ali%2C+N">Nawab Ali</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+F">Fengpeng An</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+G">Guangpeng An</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+Q">Qi An</a>, <a href="/search/hep-ex?searchtype=author&query=Andronico%2C+G">Giuseppe Andronico</a>, <a href="/search/hep-ex?searchtype=author&query=Anfimov%2C+N">Nikolay Anfimov</a>, <a href="/search/hep-ex?searchtype=author&query=Antonelli%2C+V">Vito Antonelli</a>, <a href="/search/hep-ex?searchtype=author&query=Antoshkina%2C+T">Tatiana Antoshkina</a>, <a href="/search/hep-ex?searchtype=author&query=Asavapibhop%2C+B">Burin Asavapibhop</a>, <a href="/search/hep-ex?searchtype=author&query=de+Andr%C3%A9%2C+J+P+A+M">Jo茫o Pedro Athayde Marcondes de Andr茅</a>, <a href="/search/hep-ex?searchtype=author&query=Auguste%2C+D">Didier Auguste</a>, <a href="/search/hep-ex?searchtype=author&query=Babic%2C+A">Andrej Babic</a>, <a href="/search/hep-ex?searchtype=author&query=Baldini%2C+W">Wander Baldini</a>, <a href="/search/hep-ex?searchtype=author&query=Barresi%2C+A">Andrea Barresi</a>, <a href="/search/hep-ex?searchtype=author&query=Baussan%2C+E">Eric Baussan</a>, <a href="/search/hep-ex?searchtype=author&query=Bellato%2C+M">Marco Bellato</a>, <a href="/search/hep-ex?searchtype=author&query=Bergnoli%2C+A">Antonio Bergnoli</a>, <a href="/search/hep-ex?searchtype=author&query=Bernieri%2C+E">Enrico Bernieri</a>, <a href="/search/hep-ex?searchtype=author&query=Biare%2C+D">David Biare</a> , et al. (572 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2006.11760v1-abstract-short" style="display: inline;"> The Jiangmen Underground Neutrino Observatory~(JUNO) features a 20~kt multi-purpose underground liquid scintillator sphere as its main detector. Some of JUNO's features make it an excellent experiment for $^8$B solar neutrino measurements, such as its low-energy threshold, its high energy resolution compared to water Cherenkov detectors, and its much large target mass compared to previous liquid s… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2006.11760v1-abstract-full').style.display = 'inline'; document.getElementById('2006.11760v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2006.11760v1-abstract-full" style="display: none;"> The Jiangmen Underground Neutrino Observatory~(JUNO) features a 20~kt multi-purpose underground liquid scintillator sphere as its main detector. Some of JUNO's features make it an excellent experiment for $^8$B solar neutrino measurements, such as its low-energy threshold, its high energy resolution compared to water Cherenkov detectors, and its much large target mass compared to previous liquid scintillator detectors. In this paper we present a comprehensive assessment of JUNO's potential for detecting $^8$B solar neutrinos via the neutrino-electron elastic scattering process. A reduced 2~MeV threshold on the recoil electron energy is found to be achievable assuming the intrinsic radioactive background $^{238}$U and $^{232}$Th in the liquid scintillator can be controlled to 10$^{-17}$~g/g. With ten years of data taking, about 60,000 signal and 30,000 background events are expected. This large sample will enable an examination of the distortion of the recoil electron spectrum that is dominated by the neutrino flavor transformation in the dense solar matter, which will shed new light on the tension between the measured electron spectra and the predictions of the standard three-flavor neutrino oscillation framework. If $螖m^{2}_{21}=4.8\times10^{-5}~(7.5\times10^{-5})$~eV$^{2}$, JUNO can provide evidence of neutrino oscillation in the Earth at the about 3$蟽$~(2$蟽$) level by measuring the non-zero signal rate variation with respect to the solar zenith angle. Moveover, JUNO can simultaneously measure $螖m^2_{21}$ using $^8$B solar neutrinos to a precision of 20\% or better depending on the central value and to sub-percent precision using reactor antineutrinos. A comparison of these two measurements from the same detector will help elucidate the current tension between the value of $螖m^2_{21}$ reported by solar neutrino experiments and the KamLAND experiment. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2006.11760v1-abstract-full').style.display = 'none'; document.getElementById('2006.11760v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 21 June, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2020. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">29 pages, 14 plots, 7 tables</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2005.08745">arXiv:2005.08745</a> <span> [<a href="https://arxiv.org/pdf/2005.08745">pdf</a>, <a href="https://arxiv.org/format/2005.08745">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> </div> <p class="title is-5 mathjax"> TAO Conceptual Design Report: A Precision Measurement of the Reactor Antineutrino Spectrum with Sub-percent Energy Resolution </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=JUNO+Collaboration"> JUNO Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abusleme%2C+A">Angel Abusleme</a>, <a href="/search/hep-ex?searchtype=author&query=Adam%2C+T">Thomas Adam</a>, <a href="/search/hep-ex?searchtype=author&query=Ahmad%2C+S">Shakeel Ahmad</a>, <a href="/search/hep-ex?searchtype=author&query=Aiello%2C+S">Sebastiano Aiello</a>, <a href="/search/hep-ex?searchtype=author&query=Akram%2C+M">Muhammad Akram</a>, <a href="/search/hep-ex?searchtype=author&query=Ali%2C+N">Nawab Ali</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+F">Fengpeng An</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+G">Guangpeng An</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+Q">Qi An</a>, <a href="/search/hep-ex?searchtype=author&query=Andronico%2C+G">Giuseppe Andronico</a>, <a href="/search/hep-ex?searchtype=author&query=Anfimov%2C+N">Nikolay Anfimov</a>, <a href="/search/hep-ex?searchtype=author&query=Antonelli%2C+V">Vito Antonelli</a>, <a href="/search/hep-ex?searchtype=author&query=Antoshkina%2C+T">Tatiana Antoshkina</a>, <a href="/search/hep-ex?searchtype=author&query=Asavapibhop%2C+B">Burin Asavapibhop</a>, <a href="/search/hep-ex?searchtype=author&query=de+Andr%C3%A9%2C+J+P+A+M">Jo茫o Pedro Athayde Marcondes de Andr茅</a>, <a href="/search/hep-ex?searchtype=author&query=Auguste%2C+D">Didier Auguste</a>, <a href="/search/hep-ex?searchtype=author&query=Babic%2C+A">Andrej Babic</a>, <a href="/search/hep-ex?searchtype=author&query=Baldini%2C+W">Wander Baldini</a>, <a href="/search/hep-ex?searchtype=author&query=Barresi%2C+A">Andrea Barresi</a>, <a href="/search/hep-ex?searchtype=author&query=Baussan%2C+E">Eric Baussan</a>, <a href="/search/hep-ex?searchtype=author&query=Bellato%2C+M">Marco Bellato</a>, <a href="/search/hep-ex?searchtype=author&query=Bergnoli%2C+A">Antonio Bergnoli</a>, <a href="/search/hep-ex?searchtype=author&query=Bernieri%2C+E">Enrico Bernieri</a>, <a href="/search/hep-ex?searchtype=author&query=Biare%2C+D">David Biare</a> , et al. (568 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2005.08745v1-abstract-short" style="display: inline;"> The Taishan Antineutrino Observatory (TAO, also known as JUNO-TAO) is a satellite experiment of the Jiangmen Underground Neutrino Observatory (JUNO). A ton-level liquid scintillator detector will be placed at about 30 m from a core of the Taishan Nuclear Power Plant. The reactor antineutrino spectrum will be measured with sub-percent energy resolution, to provide a reference spectrum for future re… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2005.08745v1-abstract-full').style.display = 'inline'; document.getElementById('2005.08745v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2005.08745v1-abstract-full" style="display: none;"> The Taishan Antineutrino Observatory (TAO, also known as JUNO-TAO) is a satellite experiment of the Jiangmen Underground Neutrino Observatory (JUNO). A ton-level liquid scintillator detector will be placed at about 30 m from a core of the Taishan Nuclear Power Plant. The reactor antineutrino spectrum will be measured with sub-percent energy resolution, to provide a reference spectrum for future reactor neutrino experiments, and to provide a benchmark measurement to test nuclear databases. A spherical acrylic vessel containing 2.8 ton gadolinium-doped liquid scintillator will be viewed by 10 m^2 Silicon Photomultipliers (SiPMs) of >50% photon detection efficiency with almost full coverage. The photoelectron yield is about 4500 per MeV, an order higher than any existing large-scale liquid scintillator detectors. The detector operates at -50 degree C to lower the dark noise of SiPMs to an acceptable level. The detector will measure about 2000 reactor antineutrinos per day, and is designed to be well shielded from cosmogenic backgrounds and ambient radioactivities to have about 10% background-to-signal ratio. The experiment is expected to start operation in 2022. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2005.08745v1-abstract-full').style.display = 'none'; document.getElementById('2005.08745v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 18 May, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2020. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">134 pages, 114 figures</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1902.07771">arXiv:1902.07771</a> <span> [<a href="https://arxiv.org/pdf/1902.07771">pdf</a>, <a href="https://arxiv.org/format/1902.07771">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1140/epjc/s10052-019-7555-0">10.1140/epjc/s10052-019-7555-0 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Development of an analysis to probe the neutrino mass ordering with atmospheric neutrinos using three years of IceCube DeepCore data </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Aartsen%2C+M+G">M. G. Aartsen</a>, <a href="/search/hep-ex?searchtype=author&query=Ackermann%2C+M">M. Ackermann</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+J">J. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Aguilar%2C+J+A">J. A. Aguilar</a>, <a href="/search/hep-ex?searchtype=author&query=Ahlers%2C+M">M. Ahlers</a>, <a href="/search/hep-ex?searchtype=author&query=Ahrens%2C+M">M. Ahrens</a>, <a href="/search/hep-ex?searchtype=author&query=Alispach%2C+C">C. Alispach</a>, <a href="/search/hep-ex?searchtype=author&query=Andeen%2C+K">K. Andeen</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+T">T. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Ansseau%2C+I">I. Ansseau</a>, <a href="/search/hep-ex?searchtype=author&query=Anton%2C+G">G. Anton</a>, <a href="/search/hep-ex?searchtype=author&query=Arg%C3%BCelles%2C+C">C. Arg眉elles</a>, <a href="/search/hep-ex?searchtype=author&query=Auffenberg%2C+J">J. Auffenberg</a>, <a href="/search/hep-ex?searchtype=author&query=Axani%2C+S">S. Axani</a>, <a href="/search/hep-ex?searchtype=author&query=Backes%2C+P">P. Backes</a>, <a href="/search/hep-ex?searchtype=author&query=Bagherpour%2C+H">H. Bagherpour</a>, <a href="/search/hep-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/hep-ex?searchtype=author&query=Barbano%2C+A">A. Barbano</a>, <a href="/search/hep-ex?searchtype=author&query=Barwick%2C+S+W">S. W. Barwick</a>, <a href="/search/hep-ex?searchtype=author&query=Baum%2C+V">V. Baum</a>, <a href="/search/hep-ex?searchtype=author&query=Bay%2C+R">R. Bay</a>, <a href="/search/hep-ex?searchtype=author&query=Beatty%2C+J+J">J. J. Beatty</a>, <a href="/search/hep-ex?searchtype=author&query=Becker%2C+K+-">K. -H. Becker</a>, <a href="/search/hep-ex?searchtype=author&query=Tjus%2C+J+B">J. Becker Tjus</a>, <a href="/search/hep-ex?searchtype=author&query=BenZvi%2C+S">S. BenZvi</a> , et al. (311 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1902.07771v2-abstract-short" style="display: inline;"> The Neutrino Mass Ordering (NMO) remains one of the outstanding questions in the field of neutrino physics. One strategy to measure the NMO is to observe matter effects in the oscillation pattern of atmospheric neutrinos above $\sim 1\,\mathrm{GeV}$, as proposed for several next-generation neutrino experiments. Moreover, the existing IceCube DeepCore detector can already explore this type of measu… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1902.07771v2-abstract-full').style.display = 'inline'; document.getElementById('1902.07771v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1902.07771v2-abstract-full" style="display: none;"> The Neutrino Mass Ordering (NMO) remains one of the outstanding questions in the field of neutrino physics. One strategy to measure the NMO is to observe matter effects in the oscillation pattern of atmospheric neutrinos above $\sim 1\,\mathrm{GeV}$, as proposed for several next-generation neutrino experiments. Moreover, the existing IceCube DeepCore detector can already explore this type of measurement. We present rthe development and application of two independent analyses to search for the signature of the NMO with three years of DeepCore data. These analyses include a full treatment of systematic uncertainties and a statistically-rigorous method to determine the significance for the NMO from a fit to the data. Both analyses show that the dataset is fully compatible with both mass orderings. For the more sensitive analysis, we observe a preference for Normal Ordering with a $p$-value of $p_\mathrm{IO} = 15.3\%$ and $\mathrm{CL}_\mathrm{s}=53.3\%$ for the Inverted Ordering hypothesis, while the experimental results from both analyses are consistent within their uncertainties. Since the result is independent of the value of $未_\mathrm{CP}$ and obtained from energies $E_谓\gtrsim 5\,\mathrm{GeV}$, it is complementary to recent results from long-baseline experiments. These analyses set the groundwork for the future of this measurement with more capable detectors, such as the IceCube Upgrade and the proposed PINGU detector. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1902.07771v2-abstract-full').style.display = 'none'; document.getElementById('1902.07771v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 9 February, 2020; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 20 February, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2019. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">15 pages, 9 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Eur. Phys. J C80, 9 (2020) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1902.05792">arXiv:1902.05792</a> <span> [<a href="https://arxiv.org/pdf/1902.05792">pdf</a>, <a href="https://arxiv.org/format/1902.05792">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Astrophysical Phenomena">astro-ph.HE</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.astropartphys.2019.102392">10.1016/j.astropartphys.2019.102392 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Neutrinos below 100 TeV from the southern sky employing refined veto techniques to IceCube data </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=IceCube+Collaboration"> IceCube Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aartsen%2C+M+G">M. G. Aartsen</a>, <a href="/search/hep-ex?searchtype=author&query=Ackermann%2C+M">M. Ackermann</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+J">J. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Aguilar%2C+J+A">J. A. Aguilar</a>, <a href="/search/hep-ex?searchtype=author&query=Ahlers%2C+M">M. Ahlers</a>, <a href="/search/hep-ex?searchtype=author&query=Ahrens%2C+M">M. Ahrens</a>, <a href="/search/hep-ex?searchtype=author&query=Alispach%2C+C">C. Alispach</a>, <a href="/search/hep-ex?searchtype=author&query=Altmann%2C+D">D. Altmann</a>, <a href="/search/hep-ex?searchtype=author&query=Andeen%2C+K">K. Andeen</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+T">T. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Ansseau%2C+I">I. Ansseau</a>, <a href="/search/hep-ex?searchtype=author&query=Anton%2C+G">G. Anton</a>, <a href="/search/hep-ex?searchtype=author&query=Arg%C3%BCelles%2C+C">C. Arg眉elles</a>, <a href="/search/hep-ex?searchtype=author&query=Auffenberg%2C+J">J. Auffenberg</a>, <a href="/search/hep-ex?searchtype=author&query=Axani%2C+S">S. Axani</a>, <a href="/search/hep-ex?searchtype=author&query=Backes%2C+P">P. Backes</a>, <a href="/search/hep-ex?searchtype=author&query=Bagherpour%2C+H">H. Bagherpour</a>, <a href="/search/hep-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/hep-ex?searchtype=author&query=Barbano%2C+A">A. Barbano</a>, <a href="/search/hep-ex?searchtype=author&query=Barwick%2C+S+W">S. W. Barwick</a>, <a href="/search/hep-ex?searchtype=author&query=Baum%2C+V">V. Baum</a>, <a href="/search/hep-ex?searchtype=author&query=Bay%2C+R">R. Bay</a>, <a href="/search/hep-ex?searchtype=author&query=Beatty%2C+J+J">J. J. Beatty</a>, <a href="/search/hep-ex?searchtype=author&query=Becker%2C+K+-">K. -H. Becker</a> , et al. (311 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1902.05792v2-abstract-short" style="display: inline;"> Many Galactic sources of gamma rays, such as supernova remnants, are expected to produce neutrinos with a typical energy cutoff well below 100 TeV. For the IceCube Neutrino Observatory located at the South Pole, the southern sky, containing the inner part of the Galactic plane and the Galactic Center, is a particularly challenging region at these energies, because of the large background of atmosp… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1902.05792v2-abstract-full').style.display = 'inline'; document.getElementById('1902.05792v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1902.05792v2-abstract-full" style="display: none;"> Many Galactic sources of gamma rays, such as supernova remnants, are expected to produce neutrinos with a typical energy cutoff well below 100 TeV. For the IceCube Neutrino Observatory located at the South Pole, the southern sky, containing the inner part of the Galactic plane and the Galactic Center, is a particularly challenging region at these energies, because of the large background of atmospheric muons. In this paper, we present recent advancements in data selection strategies for track-like muon neutrino events with energies below 100 TeV from the southern sky. The strategies utilize the outer detector regions as veto and features of the signal pattern to reduce the background of atmospheric muons to a level which, for the first time, allows IceCube searching for point-like sources of neutrinos in the southern sky at energies between 100 GeV and several TeV in the muon neutrino charged current channel. No significant clustering of neutrinos above background expectation was observed in four years of data recorded with the completed IceCube detector. Upper limits on the neutrino flux for a number of spectral hypotheses are reported for a list of astrophysical objects in the southern hemisphere. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1902.05792v2-abstract-full').style.display = 'none'; document.getElementById('1902.05792v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 18 November, 2019; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 15 February, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2019. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">19 pages, 17 figures, 2 tables</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Astroparticle Physics, Volume 116 (2020), Pages 102392 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1901.05366">arXiv:1901.05366</a> <span> [<a href="https://arxiv.org/pdf/1901.05366">pdf</a>, <a href="https://arxiv.org/format/1901.05366">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.99.032007">10.1103/PhysRevD.99.032007 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of Atmospheric Tau Neutrino Appearance with IceCube DeepCore </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Aartsen%2C+M+G">M. G. Aartsen</a>, <a href="/search/hep-ex?searchtype=author&query=Ackermann%2C+M">M. Ackermann</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+J">J. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Aguilar%2C+J+A">J. A. Aguilar</a>, <a href="/search/hep-ex?searchtype=author&query=Ahlers%2C+M">M. Ahlers</a>, <a href="/search/hep-ex?searchtype=author&query=Ahrens%2C+M">M. Ahrens</a>, <a href="/search/hep-ex?searchtype=author&query=Altmann%2C+D">D. Altmann</a>, <a href="/search/hep-ex?searchtype=author&query=Andeen%2C+K">K. Andeen</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+T">T. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Ansseau%2C+I">I. Ansseau</a>, <a href="/search/hep-ex?searchtype=author&query=Anton%2C+G">G. Anton</a>, <a href="/search/hep-ex?searchtype=author&query=Arg%C3%BCelles%2C+C">C. Arg眉elles</a>, <a href="/search/hep-ex?searchtype=author&query=Auffenberg%2C+J">J. Auffenberg</a>, <a href="/search/hep-ex?searchtype=author&query=Axani%2C+S">S. Axani</a>, <a href="/search/hep-ex?searchtype=author&query=Backes%2C+P">P. Backes</a>, <a href="/search/hep-ex?searchtype=author&query=Bagherpour%2C+H">H. Bagherpour</a>, <a href="/search/hep-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/hep-ex?searchtype=author&query=Barbano%2C+A">A. Barbano</a>, <a href="/search/hep-ex?searchtype=author&query=Barwick%2C+S+W">S. W. Barwick</a>, <a href="/search/hep-ex?searchtype=author&query=Baum%2C+V">V. Baum</a>, <a href="/search/hep-ex?searchtype=author&query=Bay%2C+R">R. Bay</a>, <a href="/search/hep-ex?searchtype=author&query=Beatty%2C+J+J">J. J. Beatty</a>, <a href="/search/hep-ex?searchtype=author&query=Becker%2C+K+-">K. -H. Becker</a>, <a href="/search/hep-ex?searchtype=author&query=Tjus%2C+J+B">J. Becker Tjus</a>, <a href="/search/hep-ex?searchtype=author&query=BenZvi%2C+S">S. BenZvi</a> , et al. (306 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1901.05366v1-abstract-short" style="display: inline;"> We present a measurement of atmospheric tau neutrino appearance from oscillations with three years of data from the DeepCore sub-array of the IceCube Neutrino Observatory. This analysis uses atmospheric neutrinos from the full sky with reconstructed energies between 5.6 GeV and 56 GeV to search for a statistical excess of cascade-like neutrino events which are the signature of nutau interactions.… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1901.05366v1-abstract-full').style.display = 'inline'; document.getElementById('1901.05366v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1901.05366v1-abstract-full" style="display: none;"> We present a measurement of atmospheric tau neutrino appearance from oscillations with three years of data from the DeepCore sub-array of the IceCube Neutrino Observatory. This analysis uses atmospheric neutrinos from the full sky with reconstructed energies between 5.6 GeV and 56 GeV to search for a statistical excess of cascade-like neutrino events which are the signature of nutau interactions. For CC+NC (CC-only) interactions, we measure the tau neutrino normalization to be 0.73 +0.30 -0.24 (0.57 +0.36 -0.30) and exclude the absence of tau neutrino oscillations at a significance of 3.2 sigma (2.0 sigma) These results are consistent with, and of similar precision to, a confirmatory IceCube analysis also presented, as well as measurements performed by other experiments. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1901.05366v1-abstract-full').style.display = 'none'; document.getElementById('1901.05366v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 16 January, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2019. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 99, 032007 (2019) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1808.07629">arXiv:1808.07629</a> <span> [<a href="https://arxiv.org/pdf/1808.07629">pdf</a>, <a href="https://arxiv.org/format/1808.07629">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Astrophysical Phenomena">astro-ph.HE</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.99.032004">10.1103/PhysRevD.99.032004 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurements using the inelasticity distribution of multi-TeV neutrino interactions in IceCube </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=IceCube+Collaboration"> IceCube Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aartsen%2C+M+G">M. G. Aartsen</a>, <a href="/search/hep-ex?searchtype=author&query=Ackermann%2C+M">M. Ackermann</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+J">J. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Aguilar%2C+J+A">J. A. Aguilar</a>, <a href="/search/hep-ex?searchtype=author&query=Ahlers%2C+M">M. Ahlers</a>, <a href="/search/hep-ex?searchtype=author&query=Ahrens%2C+M">M. Ahrens</a>, <a href="/search/hep-ex?searchtype=author&query=Samarai%2C+I+A">I. Al Samarai</a>, <a href="/search/hep-ex?searchtype=author&query=Altmann%2C+D">D. Altmann</a>, <a href="/search/hep-ex?searchtype=author&query=Andeen%2C+K">K. Andeen</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+T">T. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Ansseau%2C+I">I. Ansseau</a>, <a href="/search/hep-ex?searchtype=author&query=Anton%2C+G">G. Anton</a>, <a href="/search/hep-ex?searchtype=author&query=Arg%C3%BCelles%2C+C">C. Arg眉elles</a>, <a href="/search/hep-ex?searchtype=author&query=Auffenberg%2C+J">J. Auffenberg</a>, <a href="/search/hep-ex?searchtype=author&query=Axani%2C+S">S. Axani</a>, <a href="/search/hep-ex?searchtype=author&query=Backes%2C+P">P. Backes</a>, <a href="/search/hep-ex?searchtype=author&query=Bagherpour%2C+H">H. Bagherpour</a>, <a href="/search/hep-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/hep-ex?searchtype=author&query=Barbano%2C+A">A. Barbano</a>, <a href="/search/hep-ex?searchtype=author&query=Barron%2C+J+P">J. P. Barron</a>, <a href="/search/hep-ex?searchtype=author&query=Barwick%2C+S+W">S. W. Barwick</a>, <a href="/search/hep-ex?searchtype=author&query=Baum%2C+V">V. Baum</a>, <a href="/search/hep-ex?searchtype=author&query=Bay%2C+R">R. Bay</a>, <a href="/search/hep-ex?searchtype=author&query=Beatty%2C+J+J">J. J. Beatty</a> , et al. (309 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1808.07629v2-abstract-short" style="display: inline;"> Inelasticity--the fraction of a neutrino's energy transferred to hadrons--is a quantity of interest in the study of astrophysical and atmospheric neutrino interactions at multi-TeV energies with IceCube. In this work, a sample of contained neutrino interactions in IceCube is obtained from 5 years of data and classified as 2650 tracks and 965 cascades. Tracks arise predominantly from charged-curren… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1808.07629v2-abstract-full').style.display = 'inline'; document.getElementById('1808.07629v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1808.07629v2-abstract-full" style="display: none;"> Inelasticity--the fraction of a neutrino's energy transferred to hadrons--is a quantity of interest in the study of astrophysical and atmospheric neutrino interactions at multi-TeV energies with IceCube. In this work, a sample of contained neutrino interactions in IceCube is obtained from 5 years of data and classified as 2650 tracks and 965 cascades. Tracks arise predominantly from charged-current $谓_渭$ interactions, and we demonstrate that we can reconstruct their energy and inelasticity. The inelasticity distribution is found to be consistent with the calculation of Cooper-Sarkar et al. across the energy range from $\sim$ 1 TeV to $\sim$ 100 TeV. Along with cascades from neutrinos of all flavors, we also perform a fit over the energy, zenith angle, and inelasticity distribution to characterize the flux of astrophysical and atmospheric neutrinos. The energy spectrum of diffuse astrophysical neutrinos is well-described by a power-law in both track and cascade samples, and a best-fit index $纬=2.62\pm0.07$ is found in the energy range from 3.5 TeV to 2.6 PeV. Limits are set on the astrophysical flavor composition that are compatible with a ratio of $\left(\frac{1}{3}:\frac{1}{3}:\frac{1}{3}\right)_{\oplus}$. Exploiting the distinct inelasticity distribution of $谓_渭$ and $\bar谓_渭$ interactions, the atmospheric $谓_渭$ to $\bar谓_渭$ flux ratio in the energy range from 770 GeV to 21 TeV is found to be $0.77^{+0.44}_{-0.25}$ times the calculation by Honda et al. Lastly, the inelasticity distribution is also sensitive to neutrino charged-current charm production. The data are consistent with a leading-order calculation, with zero charm production excluded at $91\%$ confidence level. Future analyses of inelasticity distributions may probe new physics that affects neutrino interactions both in and beyond the Standard Model. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1808.07629v2-abstract-full').style.display = 'none'; document.getElementById('1808.07629v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 24 February, 2019; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 23 August, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2018. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">20 pages, 13 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 99, 032004 (2019) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1807.01820">arXiv:1807.01820</a> <span> [<a href="https://arxiv.org/pdf/1807.01820">pdf</a>, <a href="https://arxiv.org/format/1807.01820">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Astrophysical Phenomena">astro-ph.HE</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.98.062003">10.1103/PhysRevD.98.062003 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Differential limit on the extremely-high-energy cosmic neutrino flux in the presence of astrophysical background from nine years of IceCube data </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=IceCube+Collaboration"> IceCube Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aartsen%2C+M+G">M. G. Aartsen</a>, <a href="/search/hep-ex?searchtype=author&query=Ackermann%2C+M">M. Ackermann</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+J">J. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Aguilar%2C+J+A">J. A. Aguilar</a>, <a href="/search/hep-ex?searchtype=author&query=Ahlers%2C+M">M. Ahlers</a>, <a href="/search/hep-ex?searchtype=author&query=Ahrens%2C+M">M. Ahrens</a>, <a href="/search/hep-ex?searchtype=author&query=Samarai%2C+I+A">I. Al Samarai</a>, <a href="/search/hep-ex?searchtype=author&query=Altmann%2C+D">D. Altmann</a>, <a href="/search/hep-ex?searchtype=author&query=Andeen%2C+K">K. Andeen</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+T">T. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Ansseau%2C+I">I. Ansseau</a>, <a href="/search/hep-ex?searchtype=author&query=Anton%2C+G">G. Anton</a>, <a href="/search/hep-ex?searchtype=author&query=Arg%C3%BCelles%2C+C">C. Arg眉elles</a>, <a href="/search/hep-ex?searchtype=author&query=Auffenberg%2C+J">J. Auffenberg</a>, <a href="/search/hep-ex?searchtype=author&query=Axani%2C+S">S. Axani</a>, <a href="/search/hep-ex?searchtype=author&query=Backes%2C+P">P. Backes</a>, <a href="/search/hep-ex?searchtype=author&query=Bagherpour%2C+H">H. Bagherpour</a>, <a href="/search/hep-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/hep-ex?searchtype=author&query=Barbano%2C+A">A. Barbano</a>, <a href="/search/hep-ex?searchtype=author&query=Barron%2C+J+P">J. P. Barron</a>, <a href="/search/hep-ex?searchtype=author&query=Barwick%2C+S+W">S. W. Barwick</a>, <a href="/search/hep-ex?searchtype=author&query=Baum%2C+V">V. Baum</a>, <a href="/search/hep-ex?searchtype=author&query=Bay%2C+R">R. Bay</a>, <a href="/search/hep-ex?searchtype=author&query=Beatty%2C+J+J">J. J. Beatty</a> , et al. (309 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1807.01820v2-abstract-short" style="display: inline;"> We report a quasi-differential upper limit on the extremely-high-energy (EHE) neutrino flux above $5\times 10^{6}$ GeV based on an analysis of nine years of IceCube data. The astrophysical neutrino flux measured by IceCube extends to PeV energies, and it is a background flux when searching for an independent signal flux at higher energies, such as the cosmogenic neutrino signal. We have developed… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1807.01820v2-abstract-full').style.display = 'inline'; document.getElementById('1807.01820v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1807.01820v2-abstract-full" style="display: none;"> We report a quasi-differential upper limit on the extremely-high-energy (EHE) neutrino flux above $5\times 10^{6}$ GeV based on an analysis of nine years of IceCube data. The astrophysical neutrino flux measured by IceCube extends to PeV energies, and it is a background flux when searching for an independent signal flux at higher energies, such as the cosmogenic neutrino signal. We have developed a new method to place robust limits on the EHE neutrino flux in the presence of an astrophysical background, whose spectrum has yet to be understood with high precision at PeV energies. A distinct event with a deposited energy above $10^{6}$ GeV was found in the new two-year sample, in addition to the one event previously found in the seven-year EHE neutrino search. These two events represent a neutrino flux that is incompatible with predictions for a cosmogenic neutrino flux and are considered to be an astrophysical background in the current study. The obtained limit is the most stringent to date in the energy range between $5 \times 10^{6}$ and $5 \times 10^{10}$ GeV. This result constrains neutrino models predicting a three-flavor neutrino flux of $E_谓^2蠁_{谓_e+谓_渭+谓_蟿}\simeq2\times 10^{-8}\ {\rm GeV}/{\rm cm}^2\ \sec\ {\rm sr}$ at $10^9\ {\rm GeV}$. A significant part of the parameter-space for EHE neutrino production scenarios assuming a proton-dominated composition of ultra-high-energy cosmic rays is excluded. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1807.01820v2-abstract-full').style.display = 'none'; document.getElementById('1807.01820v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 4 September, 2018; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 4 July, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2018. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">The version accepted for publication in Physical Review D</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 98, 062003 (2018) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1803.05390">arXiv:1803.05390</a> <span> [<a href="https://arxiv.org/pdf/1803.05390">pdf</a>, <a href="https://arxiv.org/format/1803.05390">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Data Analysis, Statistics and Probability">physics.data-an</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Methods for Astrophysics">astro-ph.IM</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> </div> <p class="title is-5 mathjax"> Computational Techniques for the Analysis of Small Signals in High-Statistics Neutrino Oscillation Experiments </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=IceCube+Collaboration"> IceCube Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aartsen%2C+M+G">M. G. Aartsen</a>, <a href="/search/hep-ex?searchtype=author&query=Ackermann%2C+M">M. Ackermann</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+J">J. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Aguilar%2C+J+A">J. A. Aguilar</a>, <a href="/search/hep-ex?searchtype=author&query=Ahlers%2C+M">M. Ahlers</a>, <a href="/search/hep-ex?searchtype=author&query=Ahrens%2C+M">M. Ahrens</a>, <a href="/search/hep-ex?searchtype=author&query=Samarai%2C+I+A">I. Al Samarai</a>, <a href="/search/hep-ex?searchtype=author&query=Altmann%2C+D">D. Altmann</a>, <a href="/search/hep-ex?searchtype=author&query=Andeen%2C+K">K. Andeen</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+T">T. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Ansseau%2C+I">I. Ansseau</a>, <a href="/search/hep-ex?searchtype=author&query=Anton%2C+G">G. Anton</a>, <a href="/search/hep-ex?searchtype=author&query=Arg%C3%BCelles%2C+C">C. Arg眉elles</a>, <a href="/search/hep-ex?searchtype=author&query=Arlen%2C+T+C">T. C. Arlen</a>, <a href="/search/hep-ex?searchtype=author&query=Auffenberg%2C+J">J. Auffenberg</a>, <a href="/search/hep-ex?searchtype=author&query=Axani%2C+S">S. Axani</a>, <a href="/search/hep-ex?searchtype=author&query=Bagherpour%2C+H">H. Bagherpour</a>, <a href="/search/hep-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/hep-ex?searchtype=author&query=V.%2C+A+B">A. Balagopal V.</a>, <a href="/search/hep-ex?searchtype=author&query=Barron%2C+J+P">J. P. Barron</a>, <a href="/search/hep-ex?searchtype=author&query=Bartos%2C+I">I. Bartos</a>, <a href="/search/hep-ex?searchtype=author&query=Barwick%2C+S+W">S. W. Barwick</a>, <a href="/search/hep-ex?searchtype=author&query=Baum%2C+V">V. Baum</a>, <a href="/search/hep-ex?searchtype=author&query=Bay%2C+R">R. Bay</a> , et al. (347 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1803.05390v2-abstract-short" style="display: inline;"> The current and upcoming generation of Very Large Volume Neutrino Telescopes---collecting unprecedented quantities of neutrino events---can be used to explore subtle effects in oscillation physics, such as (but not restricted to) the neutrino mass ordering. The sensitivity of an experiment to these effects can be estimated from Monte Carlo simulations. With the high number of events that will be c… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1803.05390v2-abstract-full').style.display = 'inline'; document.getElementById('1803.05390v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1803.05390v2-abstract-full" style="display: none;"> The current and upcoming generation of Very Large Volume Neutrino Telescopes---collecting unprecedented quantities of neutrino events---can be used to explore subtle effects in oscillation physics, such as (but not restricted to) the neutrino mass ordering. The sensitivity of an experiment to these effects can be estimated from Monte Carlo simulations. With the high number of events that will be collected, there is a trade-off between the computational expense of running such simulations and the inherent statistical uncertainty in the determined values. In such a scenario, it becomes impractical to produce and use adequately-sized sets of simulated events with traditional methods, such as Monte Carlo weighting. In this work we present a staged approach to the generation of binned event distributions in order to overcome these challenges. By combining multiple integration and smoothing techniques which address limited statistics from simulation it arrives at reliable analysis results using modest computational resources. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1803.05390v2-abstract-full').style.display = 'none'; document.getElementById('1803.05390v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 4 December, 2019; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 14 March, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2018. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1711.08119">arXiv:1711.08119</a> <span> [<a href="https://arxiv.org/pdf/1711.08119">pdf</a>, <a href="https://arxiv.org/format/1711.08119">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Astrophysical Phenomena">astro-ph.HE</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1038/nature24459">10.1038/nature24459 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of the multi-TeV neutrino cross section with IceCube using Earth absorption </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=IceCube+Collaboration"> IceCube Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aartsen%2C+M+G">M. G. Aartsen</a>, <a href="/search/hep-ex?searchtype=author&query=Ackermann%2C+M">M. Ackermann</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+J">J. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Aguilar%2C+J+A">J. A. Aguilar</a>, <a href="/search/hep-ex?searchtype=author&query=Ahlers%2C+M">M. Ahlers</a>, <a href="/search/hep-ex?searchtype=author&query=Ahrens%2C+M">M. Ahrens</a>, <a href="/search/hep-ex?searchtype=author&query=Samarai%2C+I+A">I. Al Samarai</a>, <a href="/search/hep-ex?searchtype=author&query=Altmann%2C+D">D. Altmann</a>, <a href="/search/hep-ex?searchtype=author&query=Andeen%2C+K">K. Andeen</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+T">T. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Ansseau%2C+I">I. Ansseau</a>, <a href="/search/hep-ex?searchtype=author&query=Anton%2C+G">G. Anton</a>, <a href="/search/hep-ex?searchtype=author&query=Arg%C3%BCelles%2C+C">C. Arg眉elles</a>, <a href="/search/hep-ex?searchtype=author&query=Auffenberg%2C+J">J. Auffenberg</a>, <a href="/search/hep-ex?searchtype=author&query=Axani%2C+S">S. Axani</a>, <a href="/search/hep-ex?searchtype=author&query=Bagherpour%2C+H">H. Bagherpour</a>, <a href="/search/hep-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/hep-ex?searchtype=author&query=Barron%2C+J+P">J. P. Barron</a>, <a href="/search/hep-ex?searchtype=author&query=Barwick%2C+S+W">S. W. Barwick</a>, <a href="/search/hep-ex?searchtype=author&query=Baum%2C+V">V. Baum</a>, <a href="/search/hep-ex?searchtype=author&query=Bay%2C+R">R. Bay</a>, <a href="/search/hep-ex?searchtype=author&query=Beatty%2C+J+J">J. J. Beatty</a>, <a href="/search/hep-ex?searchtype=author&query=Tjus%2C+J+B">J. Becker Tjus</a>, <a href="/search/hep-ex?searchtype=author&query=Becker%2C+K+-">K. -H. Becker</a> , et al. (293 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1711.08119v1-abstract-short" style="display: inline;"> Neutrinos interact only very weakly, so they are extremely penetrating. However, the theoretical neutrino-nucleon interaction cross section rises with energy such that, at energies above 40 TeV, neutrinos are expected to be absorbed as they pass through the Earth. Experimentally, the cross section has been measured only at the relatively low energies (below 400 GeV) available at neutrino beams fro… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1711.08119v1-abstract-full').style.display = 'inline'; document.getElementById('1711.08119v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1711.08119v1-abstract-full" style="display: none;"> Neutrinos interact only very weakly, so they are extremely penetrating. However, the theoretical neutrino-nucleon interaction cross section rises with energy such that, at energies above 40 TeV, neutrinos are expected to be absorbed as they pass through the Earth. Experimentally, the cross section has been measured only at the relatively low energies (below 400 GeV) available at neutrino beams from accelerators \cite{Agashe:2014kda, Formaggio:2013kya}. Here we report the first measurement of neutrino absorption in the Earth, using a sample of 10,784 energetic upward-going neutrino-induced muons observed with the IceCube Neutrino Observatory. The flux of high-energy neutrinos transiting long paths through the Earth is attenuated compared to a reference sample that follows shorter trajectories through the Earth. Using a fit to the two-dimensional distribution of muon energy and zenith angle, we determine the cross section for neutrino energies between 6.3 TeV and 980 TeV, more than an order of magnitude higher in energy than previous measurements. The measured cross section is $1.30^{+0.21}_{-0.19}$ (stat.) $^{+0.39}_{-0.43}$ (syst.) times the prediction of the Standard Model \cite{CooperSarkar:2011pa}, consistent with the expectation for charged and neutral current interactions. We do not observe a dramatic increase in the cross section, expected in some speculative models, including those invoking new compact dimensions \cite{AlvarezMuniz:2002ga} or the production of leptoquarks \cite{Romero:2009vu}. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1711.08119v1-abstract-full').style.display = 'none'; document.getElementById('1711.08119v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 21 November, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2017. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Preprint version of Nature paper 10.1038/nature24459</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Nature 551 (2017) 596-600 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1709.07079">arXiv:1709.07079</a> <span> [<a href="https://arxiv.org/pdf/1709.07079">pdf</a>, <a href="https://arxiv.org/format/1709.07079">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.97.072009">10.1103/PhysRevD.97.072009 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Search for Nonstandard Neutrino Interactions with IceCube DeepCore </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=IceCube+Collaboration"> IceCube Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aartsen%2C+M+G">M. G. Aartsen</a>, <a href="/search/hep-ex?searchtype=author&query=Ackermann%2C+M">M. Ackermann</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+J">J. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Aguilar%2C+J+A">J. A. Aguilar</a>, <a href="/search/hep-ex?searchtype=author&query=Ahlers%2C+M">M. Ahlers</a>, <a href="/search/hep-ex?searchtype=author&query=Ahrens%2C+M">M. Ahrens</a>, <a href="/search/hep-ex?searchtype=author&query=Samarai%2C+I+A">I. Al Samarai</a>, <a href="/search/hep-ex?searchtype=author&query=Altmann%2C+D">D. Altmann</a>, <a href="/search/hep-ex?searchtype=author&query=Andeen%2C+K">K. Andeen</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+T">T. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Ansseau%2C+I">I. Ansseau</a>, <a href="/search/hep-ex?searchtype=author&query=Anton%2C+G">G. Anton</a>, <a href="/search/hep-ex?searchtype=author&query=Arg%C3%BCelles%2C+C">C. Arg眉elles</a>, <a href="/search/hep-ex?searchtype=author&query=Auffenberg%2C+J">J. Auffenberg</a>, <a href="/search/hep-ex?searchtype=author&query=Axani%2C+S">S. Axani</a>, <a href="/search/hep-ex?searchtype=author&query=Bagherpour%2C+H">H. Bagherpour</a>, <a href="/search/hep-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/hep-ex?searchtype=author&query=Barron%2C+J+P">J. P. Barron</a>, <a href="/search/hep-ex?searchtype=author&query=Barwick%2C+S+W">S. W. Barwick</a>, <a href="/search/hep-ex?searchtype=author&query=Baum%2C+V">V. Baum</a>, <a href="/search/hep-ex?searchtype=author&query=Bay%2C+R">R. Bay</a>, <a href="/search/hep-ex?searchtype=author&query=Beatty%2C+J+J">J. J. Beatty</a>, <a href="/search/hep-ex?searchtype=author&query=Tjus%2C+J+B">J. Becker Tjus</a>, <a href="/search/hep-ex?searchtype=author&query=Becker%2C+K+-">K. -H. Becker</a> , et al. (296 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1709.07079v1-abstract-short" style="display: inline;"> As atmospheric neutrinos propagate through the Earth, vacuum-like oscillations are modified by Standard-Model neutral- and charged-current interactions with electrons. Theories beyond the Standard Model introduce heavy, TeV-scale bosons that can produce nonstandard neutrino interactions. These additional interactions may modify the Standard Model matter effect producing a measurable deviation from… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1709.07079v1-abstract-full').style.display = 'inline'; document.getElementById('1709.07079v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1709.07079v1-abstract-full" style="display: none;"> As atmospheric neutrinos propagate through the Earth, vacuum-like oscillations are modified by Standard-Model neutral- and charged-current interactions with electrons. Theories beyond the Standard Model introduce heavy, TeV-scale bosons that can produce nonstandard neutrino interactions. These additional interactions may modify the Standard Model matter effect producing a measurable deviation from the prediction for atmospheric neutrino oscillations. The result described in this paper constrains nonstandard interaction parameters, building upon a previous analysis of atmospheric muon-neutrino disappearance with three years of IceCube-DeepCore data. The best fit for the muon to tau flavor changing term is $蔚_{渭蟿}=-0.0005$, with a 90\% C.L. allowed range of $-0.0067 <蔚_{渭蟿}< 0.0081$. This result is more restrictive than recent limits from other experiments for $蔚_{渭蟿}$. Furthermore, our result is complementary to a recent constraint on $蔚_{渭蟿}$ using another publicly available IceCube high-energy event selection. Together, they constitute the world's best limits on nonstandard interactions in the $渭-蟿$ sector. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1709.07079v1-abstract-full').style.display = 'none'; document.getElementById('1709.07079v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 20 September, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2017. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">10 pages, 6 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 97, 072009 (2018) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1709.03434">arXiv:1709.03434</a> <span> [<a href="https://arxiv.org/pdf/1709.03434">pdf</a>, <a href="https://arxiv.org/format/1709.03434">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1038/s41567-018-0172-2">10.1038/s41567-018-0172-2 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Neutrino Interferometry for High-Precision Tests of Lorentz Symmetry with IceCube </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=IceCube+Collaboration"> IceCube Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aartsen%2C+M+G">M. G. Aartsen</a>, <a href="/search/hep-ex?searchtype=author&query=Ackermann%2C+M">M. Ackermann</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+J">J. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Aguilar%2C+J+A">J. A. Aguilar</a>, <a href="/search/hep-ex?searchtype=author&query=Ahlers%2C+M">M. Ahlers</a>, <a href="/search/hep-ex?searchtype=author&query=Ahrens%2C+M">M. Ahrens</a>, <a href="/search/hep-ex?searchtype=author&query=Samarai%2C+I+A">I. Al Samarai</a>, <a href="/search/hep-ex?searchtype=author&query=Altmann%2C+D">D. Altmann</a>, <a href="/search/hep-ex?searchtype=author&query=Andeen%2C+K">K. Andeen</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+T">T. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Ansseau%2C+I">I. Ansseau</a>, <a href="/search/hep-ex?searchtype=author&query=Anton%2C+G">G. Anton</a>, <a href="/search/hep-ex?searchtype=author&query=Arg%C3%BCelles%2C+C">C. Arg眉elles</a>, <a href="/search/hep-ex?searchtype=author&query=Auffenberg%2C+J">J. Auffenberg</a>, <a href="/search/hep-ex?searchtype=author&query=Axani%2C+S">S. Axani</a>, <a href="/search/hep-ex?searchtype=author&query=Bagherpour%2C+H">H. Bagherpour</a>, <a href="/search/hep-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/hep-ex?searchtype=author&query=Barron%2C+J+P">J. P. Barron</a>, <a href="/search/hep-ex?searchtype=author&query=Barwick%2C+S+W">S. W. Barwick</a>, <a href="/search/hep-ex?searchtype=author&query=Baum%2C+V">V. Baum</a>, <a href="/search/hep-ex?searchtype=author&query=Bay%2C+R">R. Bay</a>, <a href="/search/hep-ex?searchtype=author&query=Beatty%2C+J+J">J. J. Beatty</a>, <a href="/search/hep-ex?searchtype=author&query=Tjus%2C+J+B">J. Becker Tjus</a>, <a href="/search/hep-ex?searchtype=author&query=Becker%2C+K+-">K. -H. Becker</a> , et al. (298 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1709.03434v3-abstract-short" style="display: inline;"> Lorentz symmetry is a fundamental space-time symmetry underlying the Standard Model of particle physics and gravity. However, unified theories, such as string theory, allow for violation of this symmetry. Thus, the discovery of Lorentz symmetry violation could be the first hint of these theories. Here, we use high-energy atmospheric neutrinos observed at the IceCube Neutrino Observatory to search… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1709.03434v3-abstract-full').style.display = 'inline'; document.getElementById('1709.03434v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1709.03434v3-abstract-full" style="display: none;"> Lorentz symmetry is a fundamental space-time symmetry underlying the Standard Model of particle physics and gravity. However, unified theories, such as string theory, allow for violation of this symmetry. Thus, the discovery of Lorentz symmetry violation could be the first hint of these theories. Here, we use high-energy atmospheric neutrinos observed at the IceCube Neutrino Observatory to search for anomalous neutrino oscillations as signals of Lorentz violation. The large range of neutrino energies and propagation baselines, together with high statistics, let us perform the most precise test of space-time symmetry in the neutrino sector to date. We find no evidence for Lorentz violation. This allows us to constrain the size of the dimension-four operator in the Standard-Model Extension for Lorentz violation to the $10^{-28}$ level and to set limits on higher dimensional operators of that theory. These are among the most stringent limits on Lorentz violation across all fields of physics. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1709.03434v3-abstract-full').style.display = 'none'; document.getElementById('1709.03434v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 4 September, 2018; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 11 September, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2017. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Accepted version by Nature Physics, will be removed from here on Jan. 15, 2018. Journal Reference: Nature Physics (2018) s41567-018-0172-2</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1707.07081">arXiv:1707.07081</a> <span> [<a href="https://arxiv.org/pdf/1707.07081">pdf</a>, <a href="https://arxiv.org/format/1707.07081">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevLett.120.071801">10.1103/PhysRevLett.120.071801 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of Atmospheric Neutrino Oscillations at 6-56 GeV with IceCube DeepCore </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=IceCube+Collaboration"> IceCube Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aartsen%2C+M+G">M. G. Aartsen</a>, <a href="/search/hep-ex?searchtype=author&query=Ackermann%2C+M">M. Ackermann</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+J">J. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Aguilar%2C+J+A">J. A. Aguilar</a>, <a href="/search/hep-ex?searchtype=author&query=Ahlers%2C+M">M. Ahlers</a>, <a href="/search/hep-ex?searchtype=author&query=Ahrens%2C+M">M. Ahrens</a>, <a href="/search/hep-ex?searchtype=author&query=Samarai%2C+I+A">I. Al Samarai</a>, <a href="/search/hep-ex?searchtype=author&query=Altmann%2C+D">D. Altmann</a>, <a href="/search/hep-ex?searchtype=author&query=Andeen%2C+K">K. Andeen</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+T">T. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Ansseau%2C+I">I. Ansseau</a>, <a href="/search/hep-ex?searchtype=author&query=Anton%2C+G">G. Anton</a>, <a href="/search/hep-ex?searchtype=author&query=Arg%C3%BCelles%2C+C">C. Arg眉elles</a>, <a href="/search/hep-ex?searchtype=author&query=Auffenberg%2C+J">J. Auffenberg</a>, <a href="/search/hep-ex?searchtype=author&query=Axani%2C+S">S. Axani</a>, <a href="/search/hep-ex?searchtype=author&query=Bagherpour%2C+H">H. Bagherpour</a>, <a href="/search/hep-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/hep-ex?searchtype=author&query=Barron%2C+J+P">J. P. Barron</a>, <a href="/search/hep-ex?searchtype=author&query=Barwick%2C+S+W">S. W. Barwick</a>, <a href="/search/hep-ex?searchtype=author&query=Baum%2C+V">V. Baum</a>, <a href="/search/hep-ex?searchtype=author&query=Bay%2C+R">R. Bay</a>, <a href="/search/hep-ex?searchtype=author&query=Beatty%2C+J+J">J. J. Beatty</a>, <a href="/search/hep-ex?searchtype=author&query=Tjus%2C+J+B">J. Becker Tjus</a>, <a href="/search/hep-ex?searchtype=author&query=Becker%2C+K+-">K. -H. Becker</a> , et al. (293 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1707.07081v4-abstract-short" style="display: inline;"> We present a measurement of the atmospheric neutrino oscillation parameters using three years of data from the IceCube Neutrino Observatory. The DeepCore infill array in the center of IceCube enables detection and reconstruction of neutrinos produced by the interaction of cosmic rays in the Earth's atmosphere at energies as low as $\sim5$ GeV. That energy threshold permits measurements of muon neu… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1707.07081v4-abstract-full').style.display = 'inline'; document.getElementById('1707.07081v4-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1707.07081v4-abstract-full" style="display: none;"> We present a measurement of the atmospheric neutrino oscillation parameters using three years of data from the IceCube Neutrino Observatory. The DeepCore infill array in the center of IceCube enables detection and reconstruction of neutrinos produced by the interaction of cosmic rays in the Earth's atmosphere at energies as low as $\sim5$ GeV. That energy threshold permits measurements of muon neutrino disappearance, over a range of baselines up to the diameter of the Earth, probing the same range of $L/E_谓$ as long-baseline experiments but with substantially higher energy neutrinos. This analysis uses neutrinos from the full sky with reconstructed energies from $5.6$ - $56$ GeV. We measure $螖m^2_{32}=2.31^{+0.11}_{-0.13} \times 10^{-3}$ eV$^2$ and $\sin^2 胃_{23}=0.51^{+0.07}_{-0.09}$, assuming normal neutrino mass ordering. These results are consistent with, and of similar precision to, those from accelerator and reactor-based experiments. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1707.07081v4-abstract-full').style.display = 'none'; document.getElementById('1707.07081v4-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 1 February, 2018; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 21 July, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2017. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">8 pages, 3 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 120, 071801 (2018) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1705.08103">arXiv:1705.08103</a> <span> [<a href="https://arxiv.org/pdf/1705.08103">pdf</a>, <a href="https://arxiv.org/format/1705.08103">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1140/epjc/s10052-017-5213-y">10.1140/epjc/s10052-017-5213-y <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Search for Neutrinos from Dark Matter Self-Annihilations in the center of the Milky Way with 3 years of IceCube/DeepCore </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=IceCube+Collaboration"> IceCube Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aartsen%2C+M+G">M. G. Aartsen</a>, <a href="/search/hep-ex?searchtype=author&query=Ackermann%2C+M">M. Ackermann</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+J">J. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Aguilar%2C+J+A">J. A. Aguilar</a>, <a href="/search/hep-ex?searchtype=author&query=Ahlers%2C+M">M. Ahlers</a>, <a href="/search/hep-ex?searchtype=author&query=Ahrens%2C+M">M. Ahrens</a>, <a href="/search/hep-ex?searchtype=author&query=Samarai%2C+I+A">I. Al Samarai</a>, <a href="/search/hep-ex?searchtype=author&query=Altmann%2C+D">D. Altmann</a>, <a href="/search/hep-ex?searchtype=author&query=Andeen%2C+K">K. Andeen</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+T">T. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Ansseau%2C+I">I. Ansseau</a>, <a href="/search/hep-ex?searchtype=author&query=Anton%2C+G">G. Anton</a>, <a href="/search/hep-ex?searchtype=author&query=Arg%C3%BCelles%2C+C">C. Arg眉elles</a>, <a href="/search/hep-ex?searchtype=author&query=Auffenberg%2C+J">J. Auffenberg</a>, <a href="/search/hep-ex?searchtype=author&query=Axani%2C+S">S. Axani</a>, <a href="/search/hep-ex?searchtype=author&query=Bagherpour%2C+H">H. Bagherpour</a>, <a href="/search/hep-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/hep-ex?searchtype=author&query=Barron%2C+J+P">J. P. Barron</a>, <a href="/search/hep-ex?searchtype=author&query=Barwick%2C+S+W">S. W. Barwick</a>, <a href="/search/hep-ex?searchtype=author&query=Baum%2C+V">V. Baum</a>, <a href="/search/hep-ex?searchtype=author&query=Bay%2C+R">R. Bay</a>, <a href="/search/hep-ex?searchtype=author&query=Beatty%2C+J+J">J. J. Beatty</a>, <a href="/search/hep-ex?searchtype=author&query=Tjus%2C+J+B">J. Becker Tjus</a>, <a href="/search/hep-ex?searchtype=author&query=Becker%2C+K+-">K. -H. Becker</a> , et al. (289 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1705.08103v2-abstract-short" style="display: inline;"> We present a search for a neutrino signal from dark matter self-annihilations in the Milky Way using the IceCube Neutrino Observatory (IceCube). In 1005 days of data we found no significant excess of neutrinos over the background of neutrinos produced in atmospheric air showers from cosmic ray interactions. We derive upper limits on the velocity averaged product of the dark matter self-annihilatio… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1705.08103v2-abstract-full').style.display = 'inline'; document.getElementById('1705.08103v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1705.08103v2-abstract-full" style="display: none;"> We present a search for a neutrino signal from dark matter self-annihilations in the Milky Way using the IceCube Neutrino Observatory (IceCube). In 1005 days of data we found no significant excess of neutrinos over the background of neutrinos produced in atmospheric air showers from cosmic ray interactions. We derive upper limits on the velocity averaged product of the dark matter self-annihilation cross section and the relative velocity of the dark matter particles $\langle蟽_{\text{A}}v\rangle$. Upper limits are set for dark matter particle candidate masses ranging from 10 GeV up to 1 TeV while considering annihilation through multiple channels. This work sets the most stringent limit on a neutrino signal from dark matter with mass between 10 GeV and 100 GeV, with a limit of $1.18\cdot10^{-23}\text{cm}^3\text{s}^{-1}$ for 100 GeV dark matter particles self-annihilating via $蟿^+蟿^-$ to neutrinos (assuming the Navarro-Frenk-White dark matter halo profile). <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1705.08103v2-abstract-full').style.display = 'none'; document.getElementById('1705.08103v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 26 September, 2017; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 23 May, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2017. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">13 pages, 8 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Eur. Phys. J. C (2017) 77: 627 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1702.05160">arXiv:1702.05160</a> <span> [<a href="https://arxiv.org/pdf/1702.05160">pdf</a>, <a href="https://arxiv.org/format/1702.05160">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.95.112002">10.1103/PhysRevD.95.112002 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Search for sterile neutrino mixing using three years of IceCube DeepCore data </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=IceCube+Collaboration"> IceCube Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aartsen%2C+M+G">M. G. Aartsen</a>, <a href="/search/hep-ex?searchtype=author&query=Ackermann%2C+M">M. Ackermann</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+J">J. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Aguilar%2C+J+A">J. A. Aguilar</a>, <a href="/search/hep-ex?searchtype=author&query=Ahlers%2C+M">M. Ahlers</a>, <a href="/search/hep-ex?searchtype=author&query=Ahrens%2C+M">M. Ahrens</a>, <a href="/search/hep-ex?searchtype=author&query=Samarai%2C+I+A">I. Al Samarai</a>, <a href="/search/hep-ex?searchtype=author&query=Altmann%2C+D">D. Altmann</a>, <a href="/search/hep-ex?searchtype=author&query=Andeen%2C+K">K. Andeen</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+T">T. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Ansseau%2C+I">I. Ansseau</a>, <a href="/search/hep-ex?searchtype=author&query=Anton%2C+G">G. Anton</a>, <a href="/search/hep-ex?searchtype=author&query=Archinger%2C+M">M. Archinger</a>, <a href="/search/hep-ex?searchtype=author&query=Arg%C3%BCelles%2C+C">C. Arg眉elles</a>, <a href="/search/hep-ex?searchtype=author&query=Auffenberg%2C+J">J. Auffenberg</a>, <a href="/search/hep-ex?searchtype=author&query=Axani%2C+S">S. Axani</a>, <a href="/search/hep-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/hep-ex?searchtype=author&query=Barwick%2C+S+W">S. W. Barwick</a>, <a href="/search/hep-ex?searchtype=author&query=Baum%2C+V">V. Baum</a>, <a href="/search/hep-ex?searchtype=author&query=Bay%2C+R">R. Bay</a>, <a href="/search/hep-ex?searchtype=author&query=Beatty%2C+J+J">J. J. Beatty</a>, <a href="/search/hep-ex?searchtype=author&query=Tjus%2C+J+B">J. Becker Tjus</a>, <a href="/search/hep-ex?searchtype=author&query=Becker%2C+K+-">K. -H. Becker</a>, <a href="/search/hep-ex?searchtype=author&query=BenZvi%2C+S">S. BenZvi</a> , et al. (283 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1702.05160v2-abstract-short" style="display: inline;"> We present a search for a light sterile neutrino using three years of atmospheric neutrino data from the DeepCore detector in the energy range of approximately $10-60~$GeV. DeepCore is the low-energy sub-array of the IceCube Neutrino Observatory. The standard three-neutrino paradigm can be probed by adding an additional light ($螖m_{41}^2 \sim 1 \mathrm{\ eV^2}$) sterile neutrino. Sterile neutrinos… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1702.05160v2-abstract-full').style.display = 'inline'; document.getElementById('1702.05160v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1702.05160v2-abstract-full" style="display: none;"> We present a search for a light sterile neutrino using three years of atmospheric neutrino data from the DeepCore detector in the energy range of approximately $10-60~$GeV. DeepCore is the low-energy sub-array of the IceCube Neutrino Observatory. The standard three-neutrino paradigm can be probed by adding an additional light ($螖m_{41}^2 \sim 1 \mathrm{\ eV^2}$) sterile neutrino. Sterile neutrinos do not interact through the standard weak interaction, and therefore cannot be directly detected. However, their mixing with the three active neutrino states leaves an imprint on the standard atmospheric neutrino oscillations for energies below 100 GeV. A search for such mixing via muon neutrino disappearance is presented here. The data are found to be consistent with the standard three neutrino hypothesis. Therefore we derive limits on the mixing matrix elements at the level of $|U_{\mu4}|^2 < 0.11 $ and $|U_{\tau4}|^2 < 0.15 $ (90% C.L.) for the sterile neutrino mass splitting $螖m_{41}^2 = 1.0$ eV$^2$. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1702.05160v2-abstract-full').style.display = 'none'; document.getElementById('1702.05160v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 26 June, 2017; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 16 February, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2017. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">13 pages, 9 figures; changes made to match the published version</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 95, 112002 (2017) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1612.05949">arXiv:1612.05949</a> <span> [<a href="https://arxiv.org/pdf/1612.05949">pdf</a>, <a href="https://arxiv.org/ps/1612.05949">ps</a>, <a href="https://arxiv.org/format/1612.05949">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Astrophysical Phenomena">astro-ph.HE</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1140/epjc/s10052-017-4689-9">10.1140/epjc/s10052-017-4689-9 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Search for annihilating dark matter in the Sun with 3 years of IceCube data </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=IceCube+Collaboration"> IceCube Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aartsen%2C+M+G">M. G. Aartsen</a>, <a href="/search/hep-ex?searchtype=author&query=Ackermann%2C+M">M. Ackermann</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+J">J. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Aguilar%2C+J+A">J. A. Aguilar</a>, <a href="/search/hep-ex?searchtype=author&query=Ahlers%2C+M">M. Ahlers</a>, <a href="/search/hep-ex?searchtype=author&query=Ahrens%2C+M">M. Ahrens</a>, <a href="/search/hep-ex?searchtype=author&query=Altmann%2C+D">D. Altmann</a>, <a href="/search/hep-ex?searchtype=author&query=Andeen%2C+K">K. Andeen</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+T">T. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Ansseau%2C+I">I. Ansseau</a>, <a href="/search/hep-ex?searchtype=author&query=Anton%2C+G">G. Anton</a>, <a href="/search/hep-ex?searchtype=author&query=Archinger%2C+M">M. Archinger</a>, <a href="/search/hep-ex?searchtype=author&query=Arg%C3%BCelles%2C+C">C. Arg眉elles</a>, <a href="/search/hep-ex?searchtype=author&query=Auffenberg%2C+J">J. Auffenberg</a>, <a href="/search/hep-ex?searchtype=author&query=Axani%2C+S">S. Axani</a>, <a href="/search/hep-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/hep-ex?searchtype=author&query=Barwick%2C+S+W">S. W. Barwick</a>, <a href="/search/hep-ex?searchtype=author&query=Baum%2C+V">V. Baum</a>, <a href="/search/hep-ex?searchtype=author&query=Bay%2C+R">R. Bay</a>, <a href="/search/hep-ex?searchtype=author&query=Beatty%2C+J+J">J. J. Beatty</a>, <a href="/search/hep-ex?searchtype=author&query=Tjus%2C+J+B">J. Becker Tjus</a>, <a href="/search/hep-ex?searchtype=author&query=Becker%2C+K+-">K. -H. Becker</a>, <a href="/search/hep-ex?searchtype=author&query=BenZvi%2C+S">S. BenZvi</a>, <a href="/search/hep-ex?searchtype=author&query=Berley%2C+D">D. Berley</a> , et al. (279 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1612.05949v2-abstract-short" style="display: inline;"> We present results from an analysis looking for dark matter annihilation in the Sun with the IceCube neutrino telescope. Gravitationally trapped dark matter in the Sun's core can annihilate into Standard Model particles making the Sun a source of GeV neutrinos. IceCube is able to detect neutrinos with energies >100 GeV while its low-energy infill array DeepCore extends this to >10 GeV. This analys… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1612.05949v2-abstract-full').style.display = 'inline'; document.getElementById('1612.05949v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1612.05949v2-abstract-full" style="display: none;"> We present results from an analysis looking for dark matter annihilation in the Sun with the IceCube neutrino telescope. Gravitationally trapped dark matter in the Sun's core can annihilate into Standard Model particles making the Sun a source of GeV neutrinos. IceCube is able to detect neutrinos with energies >100 GeV while its low-energy infill array DeepCore extends this to >10 GeV. This analysis uses data gathered in the austral winters between May 2011 and May 2014, corresponding to 532 days of livetime when the Sun, being below the horizon, is a source of up-going neutrino events, easiest to discriminate against the dominant background of atmospheric muons. The sensitivity is a factor of two to four better than previous searches due to additional statistics and improved analysis methods involving better background rejection and reconstructions. The resultant upper limits on the spin-dependent dark matter-proton scattering cross section reach down to $1.46\times10^{-5}$ pb for a dark matter particle of mass 500 GeV annihilating exclusively into $蟿^{+}蟿^{-}$ particles. These are currently the most stringent limits on the spin-dependent dark matter-proton scattering cross section for WIMP masses above 50 GeV. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1612.05949v2-abstract-full').style.display = 'none'; document.getElementById('1612.05949v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 13 April, 2017; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 18 December, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Eur. Phys. J. C (2017) 77: 146 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1611.03874">arXiv:1611.03874</a> <span> [<a href="https://arxiv.org/pdf/1611.03874">pdf</a>, <a href="https://arxiv.org/format/1611.03874">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Astrophysical Phenomena">astro-ph.HE</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.3847/1538-4357/835/1/45">10.3847/1538-4357/835/1/45 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The contribution of Fermi-2LAC blazars to the diffuse TeV-PeV neutrino flux </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=IceCube+Collaboration"> IceCube Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aartsen%2C+M+G">M. G. Aartsen</a>, <a href="/search/hep-ex?searchtype=author&query=Abraham%2C+K">K. Abraham</a>, <a href="/search/hep-ex?searchtype=author&query=Ackermann%2C+M">M. Ackermann</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+J">J. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Aguilar%2C+J+A">J. A. Aguilar</a>, <a href="/search/hep-ex?searchtype=author&query=Ahlers%2C+M">M. Ahlers</a>, <a href="/search/hep-ex?searchtype=author&query=Ahrens%2C+M">M. Ahrens</a>, <a href="/search/hep-ex?searchtype=author&query=Altmann%2C+D">D. Altmann</a>, <a href="/search/hep-ex?searchtype=author&query=Andeen%2C+K">K. Andeen</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+T">T. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Ansseau%2C+I">I. Ansseau</a>, <a href="/search/hep-ex?searchtype=author&query=Anton%2C+G">G. Anton</a>, <a href="/search/hep-ex?searchtype=author&query=Archinger%2C+M">M. Archinger</a>, <a href="/search/hep-ex?searchtype=author&query=Arguelles%2C+C">C. Arguelles</a>, <a href="/search/hep-ex?searchtype=author&query=Arg%C3%BCelles%2C+C">C. Arg眉elles</a>, <a href="/search/hep-ex?searchtype=author&query=Arlen%2C+T+C">T. C. Arlen</a>, <a href="/search/hep-ex?searchtype=author&query=Auffenberg%2C+J">J. Auffenberg</a>, <a href="/search/hep-ex?searchtype=author&query=Axani%2C+S">S. Axani</a>, <a href="/search/hep-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/hep-ex?searchtype=author&query=Barwick%2C+S+W">S. W. Barwick</a>, <a href="/search/hep-ex?searchtype=author&query=Baum%2C+V">V. Baum</a>, <a href="/search/hep-ex?searchtype=author&query=Bay%2C+R">R. Bay</a>, <a href="/search/hep-ex?searchtype=author&query=Beatty%2C+J+J">J. J. Beatty</a>, <a href="/search/hep-ex?searchtype=author&query=Tjus%2C+J+B">J. Becker Tjus</a> , et al. (297 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1611.03874v1-abstract-short" style="display: inline;"> The recent discovery of a diffuse cosmic neutrino flux extending up to PeV energies raises the question of which astrophysical sources generate this signal. One class of extragalactic sources which may produce such high-energy neutrinos are blazars. We present a likelihood analysis searching for cumulative neutrino emission from blazars in the 2nd Fermi-LAT AGN catalogue (2LAC) using an IceCube ne… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1611.03874v1-abstract-full').style.display = 'inline'; document.getElementById('1611.03874v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1611.03874v1-abstract-full" style="display: none;"> The recent discovery of a diffuse cosmic neutrino flux extending up to PeV energies raises the question of which astrophysical sources generate this signal. One class of extragalactic sources which may produce such high-energy neutrinos are blazars. We present a likelihood analysis searching for cumulative neutrino emission from blazars in the 2nd Fermi-LAT AGN catalogue (2LAC) using an IceCube neutrino dataset 2009-12 which was optimised for the detection of individual sources. In contrast to previous searches with IceCube, the populations investigated contain up to hundreds of sources, the largest one being the entire blazar sample in the 2LAC catalogue. No significant excess is observed and upper limits for the cumulative flux from these populations are obtained. These constrain the maximum contribution of the 2LAC blazars to the observed astrophysical neutrino flux to be $27 \%$ or less between around 10 TeV and 2 PeV, assuming equipartition of flavours at Earth and a single power-law spectrum with a spectral index of $-2.5$. We can still exclude that the 2LAC blazars (and sub-populations) emit more than $50 \%$ of the observed neutrinos up to a spectral index as hard as $-2.2$ in the same energy range. Our result takes into account that the neutrino source count distribution is unknown, and it does not assume strict proportionality of the neutrino flux to the measured 2LAC $纬$-ray signal for each source. Additionally, we constrain recent models for neutrino emission by blazars. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1611.03874v1-abstract-full').style.display = 'none'; document.getElementById('1611.03874v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 11 November, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">18 pages, 22 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> ApJ vol. 835, no. 1, p. 45 (2017) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1610.01814">arXiv:1610.01814</a> <span> [<a href="https://arxiv.org/pdf/1610.01814">pdf</a>, <a href="https://arxiv.org/ps/1610.01814">ps</a>, <a href="https://arxiv.org/format/1610.01814">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Astrophysical Phenomena">astro-ph.HE</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Methods for Astrophysics">astro-ph.IM</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1748-0221/11/11/P11009">10.1088/1748-0221/11/11/P11009 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Very High-Energy Gamma-Ray Follow-Up Program Using Neutrino Triggers from IceCube </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=IceCube+Collaboration"> IceCube Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aartsen%2C+M+G">M. G. Aartsen</a>, <a href="/search/hep-ex?searchtype=author&query=Abraham%2C+K">K. Abraham</a>, <a href="/search/hep-ex?searchtype=author&query=Ackermann%2C+M">M. Ackermann</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+J">J. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Aguilar%2C+J+A">J. A. Aguilar</a>, <a href="/search/hep-ex?searchtype=author&query=Ahlers%2C+M">M. Ahlers</a>, <a href="/search/hep-ex?searchtype=author&query=Ahrens%2C+M">M. Ahrens</a>, <a href="/search/hep-ex?searchtype=author&query=Altmann%2C+D">D. Altmann</a>, <a href="/search/hep-ex?searchtype=author&query=Andeen%2C+K">K. Andeen</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+T">T. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Ansseau%2C+I">I. Ansseau</a>, <a href="/search/hep-ex?searchtype=author&query=Anton%2C+G">G. Anton</a>, <a href="/search/hep-ex?searchtype=author&query=Archinger%2C+M">M. Archinger</a>, <a href="/search/hep-ex?searchtype=author&query=Arguelles%2C+C">C. Arguelles</a>, <a href="/search/hep-ex?searchtype=author&query=Auffenberg%2C+J">J. Auffenberg</a>, <a href="/search/hep-ex?searchtype=author&query=Axani%2C+S">S. Axani</a>, <a href="/search/hep-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/hep-ex?searchtype=author&query=Barwick%2C+S+W">S. W. Barwick</a>, <a href="/search/hep-ex?searchtype=author&query=Baum%2C+V">V. Baum</a>, <a href="/search/hep-ex?searchtype=author&query=Bay%2C+R">R. Bay</a>, <a href="/search/hep-ex?searchtype=author&query=Beatty%2C+J+J">J. J. Beatty</a>, <a href="/search/hep-ex?searchtype=author&query=Becker-Tjus%2C+J">J. Becker-Tjus</a>, <a href="/search/hep-ex?searchtype=author&query=Becker%2C+K+-">K. -H. Becker</a>, <a href="/search/hep-ex?searchtype=author&query=BenZvi%2C+S">S. BenZvi</a> , et al. (519 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1610.01814v3-abstract-short" style="display: inline;"> We describe and report the status of a neutrino-triggered program in IceCube that generates real-time alerts for gamma-ray follow-up observations by atmospheric-Cherenkov telescopes (MAGIC and VERITAS). While IceCube is capable of monitoring the whole sky continuously, high-energy gamma-ray telescopes have restricted fields of view and in general are unlikely to be observing a potential neutrino-f… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1610.01814v3-abstract-full').style.display = 'inline'; document.getElementById('1610.01814v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1610.01814v3-abstract-full" style="display: none;"> We describe and report the status of a neutrino-triggered program in IceCube that generates real-time alerts for gamma-ray follow-up observations by atmospheric-Cherenkov telescopes (MAGIC and VERITAS). While IceCube is capable of monitoring the whole sky continuously, high-energy gamma-ray telescopes have restricted fields of view and in general are unlikely to be observing a potential neutrino-flaring source at the time such neutrinos are recorded. The use of neutrino-triggered alerts thus aims at increasing the availability of simultaneous multi-messenger data during potential neutrino flaring activity, which can increase the discovery potential and constrain the phenomenological interpretation of the high-energy emission of selected source classes (e.g. blazars). The requirements of a fast and stable online analysis of potential neutrino signals and its operation are presented, along with first results of the program operating between 14 March 2012 and 31 December 2015. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1610.01814v3-abstract-full').style.display = 'none'; document.getElementById('1610.01814v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 12 November, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 6 October, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">accepted for publication in JINST</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> 2016 JINST 11 P11009 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1607.05614">arXiv:1607.05614</a> <span> [<a href="https://arxiv.org/pdf/1607.05614">pdf</a>, <a href="https://arxiv.org/format/1607.05614">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Astrophysical Phenomena">astro-ph.HE</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.3847/0004-637X/830/2/129">10.3847/0004-637X/830/2/129 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Search for Sources of High Energy Neutrons with Four Years of Data from the IceTop Detector </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=IceCube+Collaboration"> IceCube Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aartsen%2C+M+G">M. G. Aartsen</a>, <a href="/search/hep-ex?searchtype=author&query=Abraham%2C+K">K. Abraham</a>, <a href="/search/hep-ex?searchtype=author&query=Ackermann%2C+M">M. Ackermann</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+J">J. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Aguilar%2C+J+A">J. A. Aguilar</a>, <a href="/search/hep-ex?searchtype=author&query=Ahlers%2C+M">M. Ahlers</a>, <a href="/search/hep-ex?searchtype=author&query=Ahrens%2C+M">M. Ahrens</a>, <a href="/search/hep-ex?searchtype=author&query=Altmann%2C+D">D. Altmann</a>, <a href="/search/hep-ex?searchtype=author&query=Andeen%2C+K">K. Andeen</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+T">T. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Ansseau%2C+I">I. Ansseau</a>, <a href="/search/hep-ex?searchtype=author&query=Anton%2C+G">G. Anton</a>, <a href="/search/hep-ex?searchtype=author&query=Archinger%2C+M">M. Archinger</a>, <a href="/search/hep-ex?searchtype=author&query=Arg%C3%BCelles%2C+C">C. Arg眉elles</a>, <a href="/search/hep-ex?searchtype=author&query=Auffenberg%2C+J">J. Auffenberg</a>, <a href="/search/hep-ex?searchtype=author&query=Axani%2C+S">S. Axani</a>, <a href="/search/hep-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/hep-ex?searchtype=author&query=Barwick%2C+S+W">S. W. Barwick</a>, <a href="/search/hep-ex?searchtype=author&query=Baum%2C+V">V. Baum</a>, <a href="/search/hep-ex?searchtype=author&query=Bay%2C+R">R. Bay</a>, <a href="/search/hep-ex?searchtype=author&query=Beatty%2C+J+J">J. J. Beatty</a>, <a href="/search/hep-ex?searchtype=author&query=Tjus%2C+J+B">J. Becker Tjus</a>, <a href="/search/hep-ex?searchtype=author&query=Becker%2C+K+-">K. -H. Becker</a>, <a href="/search/hep-ex?searchtype=author&query=BenZvi%2C+S">S. BenZvi</a> , et al. (286 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1607.05614v4-abstract-short" style="display: inline;"> IceTop is an air shower array located on the Antarctic ice sheet at the geographic South Pole. IceTop can detect an astrophysical flux of neutrons from Galactic sources as an excess of cosmic ray air showers arriving from the source direction. Neutrons are undeflected by the Galactic magnetic field and can typically travel 10 ($E$ / PeV) pc before decay. Two searches are performed using 4 years of… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1607.05614v4-abstract-full').style.display = 'inline'; document.getElementById('1607.05614v4-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1607.05614v4-abstract-full" style="display: none;"> IceTop is an air shower array located on the Antarctic ice sheet at the geographic South Pole. IceTop can detect an astrophysical flux of neutrons from Galactic sources as an excess of cosmic ray air showers arriving from the source direction. Neutrons are undeflected by the Galactic magnetic field and can typically travel 10 ($E$ / PeV) pc before decay. Two searches are performed using 4 years of the IceTop dataset to look for a statistically significant excess of events with energies above 10 PeV ($10^{16}$ eV) arriving within a small solid angle. The all-sky search method covers from -90$^{\circ}$ to approximately -50$^{\circ}$ in declination. No significant excess is found. A targeted search is also performed, looking for significant correlation with candidate sources in different target sets. This search uses a higher energy cut (100 PeV) since most target objects lie beyond 1 kpc. The target sets include pulsars with confirmed TeV energy photon fluxes and high-mass X-ray binaries. No significant correlation is found for any target set. Flux upper limits are determined for both searches, which can constrain Galactic neutron sources and production scenarios. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1607.05614v4-abstract-full').style.display = 'none'; document.getElementById('1607.05614v4-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 18 October, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 19 July, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">12 pages, 9 figures, 9 tables</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> ApJ, 830:129 (2016) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1606.00209">arXiv:1606.00209</a> <span> [<a href="https://arxiv.org/pdf/1606.00209">pdf</a>, <a href="https://arxiv.org/format/1606.00209">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Astrophysical Phenomena">astro-ph.HE</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1140/epjc/s10052-016-4375-3">10.1140/epjc/s10052-016-4375-3 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> All-flavour Search for Neutrinos from Dark Matter Annihilations in the Milky Way with IceCube/DeepCore </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=IceCube+collaboration"> IceCube collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aartsen%2C+M+G">M. G. Aartsen</a>, <a href="/search/hep-ex?searchtype=author&query=Abraham%2C+K">K. Abraham</a>, <a href="/search/hep-ex?searchtype=author&query=Ackermann%2C+M">M. Ackermann</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+J">J. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Aguilar%2C+J+A">J. A. Aguilar</a>, <a href="/search/hep-ex?searchtype=author&query=Ahlers%2C+M">M. Ahlers</a>, <a href="/search/hep-ex?searchtype=author&query=Ahrens%2C+M">M. Ahrens</a>, <a href="/search/hep-ex?searchtype=author&query=Altmann%2C+D">D. Altmann</a>, <a href="/search/hep-ex?searchtype=author&query=Andeen%2C+K">K. Andeen</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+T">T. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Ansseau%2C+I">I. Ansseau</a>, <a href="/search/hep-ex?searchtype=author&query=Anton%2C+G">G. Anton</a>, <a href="/search/hep-ex?searchtype=author&query=Archinger%2C+M">M. Archinger</a>, <a href="/search/hep-ex?searchtype=author&query=Arguelles%2C+C">C. Arguelles</a>, <a href="/search/hep-ex?searchtype=author&query=Arlen%2C+T+C">T. C. Arlen</a>, <a href="/search/hep-ex?searchtype=author&query=Auffenberg%2C+J">J. Auffenberg</a>, <a href="/search/hep-ex?searchtype=author&query=Axani%2C+S">S. Axani</a>, <a href="/search/hep-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/hep-ex?searchtype=author&query=Barwick%2C+S+W">S. W. Barwick</a>, <a href="/search/hep-ex?searchtype=author&query=Baum%2C+V">V. Baum</a>, <a href="/search/hep-ex?searchtype=author&query=Bay%2C+R">R. Bay</a>, <a href="/search/hep-ex?searchtype=author&query=Beatty%2C+J+J">J. J. Beatty</a>, <a href="/search/hep-ex?searchtype=author&query=Tjus%2C+J+B">J. Becker Tjus</a>, <a href="/search/hep-ex?searchtype=author&query=Becker%2C+K+-">K. -H. Becker</a> , et al. (297 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1606.00209v2-abstract-short" style="display: inline;"> We present the first IceCube search for a signal of dark matter annihilations in the Milky Way using all-flavour neutrino-induced particle cascades. The analysis focuses on the DeepCore sub-detector of IceCube, and uses the surrounding IceCube strings as a veto region in order to select starting events in the DeepCore volume. We use 329 live-days of data from IceCube operating in its 86-string con… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1606.00209v2-abstract-full').style.display = 'inline'; document.getElementById('1606.00209v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1606.00209v2-abstract-full" style="display: none;"> We present the first IceCube search for a signal of dark matter annihilations in the Milky Way using all-flavour neutrino-induced particle cascades. The analysis focuses on the DeepCore sub-detector of IceCube, and uses the surrounding IceCube strings as a veto region in order to select starting events in the DeepCore volume. We use 329 live-days of data from IceCube operating in its 86-string configuration during 2011-2012. No neutrino excess is found, the final result being compatible with the background-only hypothesis. From this null result, we derive upper limits on the velocity-averaged self-annihilation cross-section, < 蟽_A v >, for dark matter candidate masses ranging from 30 GeV up to 10 TeV, assuming both a cuspy and a flat-cored dark matter halo profile. For dark matter masses between 200 GeV and 10 TeV, the results improve on all previous IceCube results on < 蟽_A v >, reaching a level of 10^{-23} cm^3 s^-1, depending on the annihilation channel assumed, for a cusped NFW profile. The analysis demonstrates that all-flavour searches are competitive with muon channel searches despite the intrinsically worse angular resolution of cascades compared to muon tracks in IceCube. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1606.00209v2-abstract-full').style.display = 'none'; document.getElementById('1606.00209v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 19 September, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 1 June, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">15 pages, 8 figures. Minor text changes. Matches version accepted by EPJC</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Eur. Phys. J. C 76, 531 (2016) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1601.00653">arXiv:1601.00653</a> <span> [<a href="https://arxiv.org/pdf/1601.00653">pdf</a>, <a href="https://arxiv.org/format/1601.00653">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Cosmology and Nongalactic Astrophysics">astro-ph.CO</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1475-7516/2016/04/022">10.1088/1475-7516/2016/04/022 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Improved limits on dark matter annihilation in the Sun with the 79-string IceCube detector and implications for supersymmetry </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=IceCube+Collaboration"> IceCube Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aartsen%2C+M+G">M. G. Aartsen</a>, <a href="/search/hep-ex?searchtype=author&query=Abraham%2C+K">K. Abraham</a>, <a href="/search/hep-ex?searchtype=author&query=Ackermann%2C+M">M. Ackermann</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+J">J. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Aguilar%2C+J+A">J. A. Aguilar</a>, <a href="/search/hep-ex?searchtype=author&query=Ahlers%2C+M">M. Ahlers</a>, <a href="/search/hep-ex?searchtype=author&query=Ahrens%2C+M">M. Ahrens</a>, <a href="/search/hep-ex?searchtype=author&query=Altmann%2C+D">D. Altmann</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+T">T. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Ansseau%2C+I">I. Ansseau</a>, <a href="/search/hep-ex?searchtype=author&query=Anton%2C+G">G. Anton</a>, <a href="/search/hep-ex?searchtype=author&query=Archinger%2C+M">M. Archinger</a>, <a href="/search/hep-ex?searchtype=author&query=Arguelles%2C+C">C. Arguelles</a>, <a href="/search/hep-ex?searchtype=author&query=Arlen%2C+T+C">T. C. Arlen</a>, <a href="/search/hep-ex?searchtype=author&query=Auffenberg%2C+J">J. Auffenberg</a>, <a href="/search/hep-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/hep-ex?searchtype=author&query=Barwick%2C+S+W">S. W. Barwick</a>, <a href="/search/hep-ex?searchtype=author&query=Baum%2C+V">V. Baum</a>, <a href="/search/hep-ex?searchtype=author&query=Bay%2C+R">R. Bay</a>, <a href="/search/hep-ex?searchtype=author&query=Beatty%2C+J+J">J. J. Beatty</a>, <a href="/search/hep-ex?searchtype=author&query=Tjus%2C+J+B">J. Becker Tjus</a>, <a href="/search/hep-ex?searchtype=author&query=Becker%2C+K+-">K. -H. Becker</a>, <a href="/search/hep-ex?searchtype=author&query=Beiser%2C+E">E. Beiser</a>, <a href="/search/hep-ex?searchtype=author&query=BenZvi%2C+S">S. BenZvi</a> , et al. (293 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1601.00653v2-abstract-short" style="display: inline;"> We present an improved event-level likelihood formalism for including neutrino telescope data in global fits to new physics. We derive limits on spin-dependent dark matter-proton scattering by employing the new formalism in a re-analysis of data from the 79-string IceCube search for dark matter annihilation in the Sun, including explicit energy information for each event. The new analysis excludes… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1601.00653v2-abstract-full').style.display = 'inline'; document.getElementById('1601.00653v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1601.00653v2-abstract-full" style="display: none;"> We present an improved event-level likelihood formalism for including neutrino telescope data in global fits to new physics. We derive limits on spin-dependent dark matter-proton scattering by employing the new formalism in a re-analysis of data from the 79-string IceCube search for dark matter annihilation in the Sun, including explicit energy information for each event. The new analysis excludes a number of models in the weak-scale minimal supersymmetric standard model (MSSM) for the first time. This work is accompanied by the public release of the 79-string IceCube data, as well as an associated computer code for applying the new likelihood to arbitrary dark matter models. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1601.00653v2-abstract-full').style.display = 'none'; document.getElementById('1601.00653v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 23 March, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 4 January, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">24 pages, 8 figs, 1 table. Contact authors: Pat Scott & Matthias Danninger. Likelihood tool available at http://nulike.hepforge.org. v2: small updates to address JCAP referee report</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> JCAP 04 (2016) 022 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1511.02149">arXiv:1511.02149</a> <span> [<a href="https://arxiv.org/pdf/1511.02149">pdf</a>, <a href="https://arxiv.org/format/1511.02149">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Astrophysical Phenomena">astro-ph.HE</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.3847/0004-637X/823/1/65">10.3847/0004-637X/823/1/65 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> First combined search for neutrino point-sources in the Southern Hemisphere with the ANTARES and IceCube neutrino telescopes </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=ANTARES+Collaboration"> ANTARES Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Adri%C3%A1n-Mart%C3%ADnez%2C+S">S. Adri谩n-Mart铆nez</a>, <a href="/search/hep-ex?searchtype=author&query=Albert%2C+A">A. Albert</a>, <a href="/search/hep-ex?searchtype=author&query=Andr%C3%A9%2C+M">M. Andr茅</a>, <a href="/search/hep-ex?searchtype=author&query=Anton%2C+G">G. Anton</a>, <a href="/search/hep-ex?searchtype=author&query=Ardid%2C+M">M. Ardid</a>, <a href="/search/hep-ex?searchtype=author&query=Aubert%2C+J+-">J. -J. Aubert</a>, <a href="/search/hep-ex?searchtype=author&query=Baret%2C+B">B. Baret</a>, <a href="/search/hep-ex?searchtype=author&query=Barrios-Mart%C3%AD%2C+J">J. Barrios-Mart铆</a>, <a href="/search/hep-ex?searchtype=author&query=Basa%2C+S">S. Basa</a>, <a href="/search/hep-ex?searchtype=author&query=Bertin%2C+V">V. Bertin</a>, <a href="/search/hep-ex?searchtype=author&query=Biagi%2C+S">S. Biagi</a>, <a href="/search/hep-ex?searchtype=author&query=Bormuth%2C+R">R. Bormuth</a>, <a href="/search/hep-ex?searchtype=author&query=Bouwhuis%2C+M+C">M. C. Bouwhuis</a>, <a href="/search/hep-ex?searchtype=author&query=Bruijn%2C+R">R. Bruijn</a>, <a href="/search/hep-ex?searchtype=author&query=Brunner%2C+J">J. Brunner</a>, <a href="/search/hep-ex?searchtype=author&query=Busto%2C+J">J. Busto</a>, <a href="/search/hep-ex?searchtype=author&query=Capone%2C+A">A. Capone</a>, <a href="/search/hep-ex?searchtype=author&query=Caramete%2C+L">L. Caramete</a>, <a href="/search/hep-ex?searchtype=author&query=Carr%2C+J">J. Carr</a>, <a href="/search/hep-ex?searchtype=author&query=Chiarusi%2C+T">T. Chiarusi</a>, <a href="/search/hep-ex?searchtype=author&query=Circella%2C+M">M. Circella</a>, <a href="/search/hep-ex?searchtype=author&query=Coniglione%2C+R">R. Coniglione</a>, <a href="/search/hep-ex?searchtype=author&query=Costantini%2C+H">H. Costantini</a>, <a href="/search/hep-ex?searchtype=author&query=Coyle%2C+P">P. Coyle</a> , et al. (405 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1511.02149v1-abstract-short" style="display: inline;"> We present the results of searches for point-like sources of neutrinos based on the first combined analysis of data from both the ANTARES and IceCube neutrino telescopes. The combination of both detectors which differ in size and location forms a window in the Southern sky where the sensitivity to point sources improves by up to a factor of two compared to individual analyses. Using data recorded… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1511.02149v1-abstract-full').style.display = 'inline'; document.getElementById('1511.02149v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1511.02149v1-abstract-full" style="display: none;"> We present the results of searches for point-like sources of neutrinos based on the first combined analysis of data from both the ANTARES and IceCube neutrino telescopes. The combination of both detectors which differ in size and location forms a window in the Southern sky where the sensitivity to point sources improves by up to a factor of two compared to individual analyses. Using data recorded by ANTARES from 2007 to 2012, and by IceCube from 2008 to 2011, we search for sources of neutrino emission both across the Southern sky and from a pre-selected list of candidate objects. No significant excess over background has been found in these searches, and flux upper limits for the candidate sources are presented for $E^{-2.5}$ and $E^{-2}$ power-law spectra with different energy cut-offs. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1511.02149v1-abstract-full').style.display = 'none'; document.getElementById('1511.02149v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 6 November, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">25 pages, 9 figures. Submitted to ApJ</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Astrophys. J. 823:65,2016 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1511.02109">arXiv:1511.02109</a> <span> [<a href="https://arxiv.org/pdf/1511.02109">pdf</a>, <a href="https://arxiv.org/format/1511.02109">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Astrophysical Phenomena">astro-ph.HE</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Methods for Astrophysics">astro-ph.IM</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> </div> <p class="title is-5 mathjax"> The IceCube Neutrino Observatory, the Pierre Auger Observatory and the Telescope Array: Joint Contribution to the 34th International Cosmic Ray Conference (ICRC 2015) </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=IceCube+Collaboration"> IceCube Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aartsen%2C+M+G">M. G. Aartsen</a>, <a href="/search/hep-ex?searchtype=author&query=Abraham%2C+K">K. Abraham</a>, <a href="/search/hep-ex?searchtype=author&query=Ackermann%2C+M">M. Ackermann</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+J">J. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Aguilar%2C+J+A">J. A. Aguilar</a>, <a href="/search/hep-ex?searchtype=author&query=Ahlers%2C+M">M. Ahlers</a>, <a href="/search/hep-ex?searchtype=author&query=Ahrens%2C+M">M. Ahrens</a>, <a href="/search/hep-ex?searchtype=author&query=Altmann%2C+D">D. Altmann</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+T">T. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Ansseau%2C+I">I. Ansseau</a>, <a href="/search/hep-ex?searchtype=author&query=Archinger%2C+M">M. Archinger</a>, <a href="/search/hep-ex?searchtype=author&query=Arguelles%2C+C">C. Arguelles</a>, <a href="/search/hep-ex?searchtype=author&query=Arlen%2C+T+C">T. C. Arlen</a>, <a href="/search/hep-ex?searchtype=author&query=Auffenberg%2C+J">J. Auffenberg</a>, <a href="/search/hep-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/hep-ex?searchtype=author&query=Barwick%2C+S+W">S. W. Barwick</a>, <a href="/search/hep-ex?searchtype=author&query=Baum%2C+V">V. Baum</a>, <a href="/search/hep-ex?searchtype=author&query=Bay%2C+R">R. Bay</a>, <a href="/search/hep-ex?searchtype=author&query=Beatty%2C+J+J">J. J. Beatty</a>, <a href="/search/hep-ex?searchtype=author&query=Tjus%2C+J+B">J. Becker Tjus</a>, <a href="/search/hep-ex?searchtype=author&query=Becker%2C+K+-">K. -H. Becker</a>, <a href="/search/hep-ex?searchtype=author&query=Beiser%2C+E">E. Beiser</a>, <a href="/search/hep-ex?searchtype=author&query=BenZvi%2C+S">S. BenZvi</a>, <a href="/search/hep-ex?searchtype=author&query=Berghaus%2C+P">P. Berghaus</a> , et al. (869 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1511.02109v1-abstract-short" style="display: inline;"> We have conducted three searches for correlations between ultra-high energy cosmic rays detected by the Telescope Array and the Pierre Auger Observatory, and high-energy neutrino candidate events from IceCube. Two cross-correlation analyses with UHECRs are done: one with 39 cascades from the IceCube `high-energy starting events' sample and the other with 16 high-energy `track events'. The angular… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1511.02109v1-abstract-full').style.display = 'inline'; document.getElementById('1511.02109v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1511.02109v1-abstract-full" style="display: none;"> We have conducted three searches for correlations between ultra-high energy cosmic rays detected by the Telescope Array and the Pierre Auger Observatory, and high-energy neutrino candidate events from IceCube. Two cross-correlation analyses with UHECRs are done: one with 39 cascades from the IceCube `high-energy starting events' sample and the other with 16 high-energy `track events'. The angular separation between the arrival directions of neutrinos and UHECRs is scanned over. The same events are also used in a separate search using a maximum likelihood approach, after the neutrino arrival directions are stacked. To estimate the significance we assume UHECR magnetic deflections to be inversely proportional to their energy, with values $3^\circ$, $6^\circ$ and $9^\circ$ at 100 EeV to allow for the uncertainties on the magnetic field strength and UHECR charge. A similar analysis is performed on stacked UHECR arrival directions and the IceCube sample of through-going muon track events which were optimized for neutrino point-source searches. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1511.02109v1-abstract-full').style.display = 'none'; document.getElementById('1511.02109v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 6 November, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">one proceeding, the 34th International Cosmic Ray Conference, 30 July - 6 August 2015, The Hague, The Netherlands; will appear in PoS(ICRC2015)</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1502.03376">arXiv:1502.03376</a> <span> [<a href="https://arxiv.org/pdf/1502.03376">pdf</a>, <a href="https://arxiv.org/format/1502.03376">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Astrophysical Phenomena">astro-ph.HE</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevLett.114.171102">10.1103/PhysRevLett.114.171102 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Flavor Ratio of Astrophysical Neutrinos above 35 TeV in IceCube </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=IceCube+Collaboration"> IceCube Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aartsen%2C+M+G">M. G. Aartsen</a>, <a href="/search/hep-ex?searchtype=author&query=Ackermann%2C+M">M. Ackermann</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+J">J. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Aguilar%2C+J+A">J. A. Aguilar</a>, <a href="/search/hep-ex?searchtype=author&query=Ahlers%2C+M">M. Ahlers</a>, <a href="/search/hep-ex?searchtype=author&query=Ahrens%2C+M">M. Ahrens</a>, <a href="/search/hep-ex?searchtype=author&query=Altmann%2C+D">D. Altmann</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+T">T. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Arguelles%2C+C">C. Arguelles</a>, <a href="/search/hep-ex?searchtype=author&query=Arlen%2C+T+C">T. C. Arlen</a>, <a href="/search/hep-ex?searchtype=author&query=Auffenberg%2C+J">J. Auffenberg</a>, <a href="/search/hep-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/hep-ex?searchtype=author&query=Barwick%2C+S+W">S. W. Barwick</a>, <a href="/search/hep-ex?searchtype=author&query=Baum%2C+V">V. Baum</a>, <a href="/search/hep-ex?searchtype=author&query=Bay%2C+R">R. Bay</a>, <a href="/search/hep-ex?searchtype=author&query=Beatty%2C+J+J">J. J. Beatty</a>, <a href="/search/hep-ex?searchtype=author&query=Tjus%2C+J+B">J. Becker Tjus</a>, <a href="/search/hep-ex?searchtype=author&query=Becker%2C+K+-">K. -H. Becker</a>, <a href="/search/hep-ex?searchtype=author&query=BenZvi%2C+S">S. BenZvi</a>, <a href="/search/hep-ex?searchtype=author&query=Berghaus%2C+P">P. Berghaus</a>, <a href="/search/hep-ex?searchtype=author&query=Berley%2C+D">D. Berley</a>, <a href="/search/hep-ex?searchtype=author&query=Bernardini%2C+E">E. Bernardini</a>, <a href="/search/hep-ex?searchtype=author&query=Bernhard%2C+A">A. Bernhard</a>, <a href="/search/hep-ex?searchtype=author&query=Besson%2C+D+Z">D. Z. Besson</a> , et al. (278 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1502.03376v1-abstract-short" style="display: inline;"> A diffuse flux of astrophysical neutrinos above $100\,\mathrm{TeV}$ has been observed at the IceCube Neutrino Observatory. Here we extend this analysis to probe the astrophysical flux down to $35\,\mathrm{TeV}$ and analyze its flavor composition by classifying events as showers or tracks. Taking advantage of lower atmospheric backgrounds for shower-like events, we obtain a shower-biased sample con… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1502.03376v1-abstract-full').style.display = 'inline'; document.getElementById('1502.03376v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1502.03376v1-abstract-full" style="display: none;"> A diffuse flux of astrophysical neutrinos above $100\,\mathrm{TeV}$ has been observed at the IceCube Neutrino Observatory. Here we extend this analysis to probe the astrophysical flux down to $35\,\mathrm{TeV}$ and analyze its flavor composition by classifying events as showers or tracks. Taking advantage of lower atmospheric backgrounds for shower-like events, we obtain a shower-biased sample containing 129 showers and 8 tracks collected in three years from 2010 to 2013. We demonstrate consistency with the $(f_e:f_渭:f_蟿)_\oplus\approx(1:1:1)_\oplus$ flavor ratio at Earth commonly expected from the averaged oscillations of neutrinos produced by pion decay in distant astrophysical sources. Limits are placed on non-standard flavor compositions that cannot be produced by averaged neutrino oscillations but could arise in exotic physics scenarios. A maximally track-like composition of $(0:1:0)_\oplus$ is excluded at $3.3蟽$, and a purely shower-like composition of $(1:0:0)_\oplus$ is excluded at $2.3蟽$. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1502.03376v1-abstract-full').style.display = 'none'; document.getElementById('1502.03376v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 11 February, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">8 pages, 3 figures. Submitted to PRL</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 114, 171102 (2015) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1412.5106">arXiv:1412.5106</a> <span> [<a href="https://arxiv.org/pdf/1412.5106">pdf</a>, <a href="https://arxiv.org/format/1412.5106">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Astrophysical Phenomena">astro-ph.HE</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Methods for Astrophysics">astro-ph.IM</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> </div> <p class="title is-5 mathjax"> IceCube-Gen2: A Vision for the Future of Neutrino Astronomy in Antarctica </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Collaboration%2C+I">IceCube-Gen2 Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=%3A"> :</a>, <a href="/search/hep-ex?searchtype=author&query=Aartsen%2C+M+G">M. G. Aartsen</a>, <a href="/search/hep-ex?searchtype=author&query=Ackermann%2C+M">M. Ackermann</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+J">J. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Aguilar%2C+J+A">J. A. Aguilar</a>, <a href="/search/hep-ex?searchtype=author&query=Ahlers%2C+M">M. Ahlers</a>, <a href="/search/hep-ex?searchtype=author&query=Ahrens%2C+M">M. Ahrens</a>, <a href="/search/hep-ex?searchtype=author&query=Altmann%2C+D">D. Altmann</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+T">T. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Anton%2C+G">G. Anton</a>, <a href="/search/hep-ex?searchtype=author&query=Arguelles%2C+C">C. Arguelles</a>, <a href="/search/hep-ex?searchtype=author&query=Arlen%2C+T+C">T. C. Arlen</a>, <a href="/search/hep-ex?searchtype=author&query=Auffenberg%2C+J">J. Auffenberg</a>, <a href="/search/hep-ex?searchtype=author&query=Axani%2C+S">S. Axani</a>, <a href="/search/hep-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/hep-ex?searchtype=author&query=Bartos%2C+I">I. Bartos</a>, <a href="/search/hep-ex?searchtype=author&query=Barwick%2C+S+W">S. W. Barwick</a>, <a href="/search/hep-ex?searchtype=author&query=Baum%2C+V">V. Baum</a>, <a href="/search/hep-ex?searchtype=author&query=Bay%2C+R">R. Bay</a>, <a href="/search/hep-ex?searchtype=author&query=Beatty%2C+J+J">J. J. Beatty</a>, <a href="/search/hep-ex?searchtype=author&query=Tjus%2C+J+B">J. Becker Tjus</a>, <a href="/search/hep-ex?searchtype=author&query=Becker%2C+K+-">K. -H. Becker</a>, <a href="/search/hep-ex?searchtype=author&query=BenZvi%2C+S">S. BenZvi</a>, <a href="/search/hep-ex?searchtype=author&query=Berghaus%2C+P">P. Berghaus</a> , et al. (304 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1412.5106v2-abstract-short" style="display: inline;"> The recent observation by the IceCube neutrino observatory of an astrophysical flux of neutrinos represents the "first light" in the nascent field of neutrino astronomy. The observed diffuse neutrino flux seems to suggest a much larger level of hadronic activity in the non-thermal universe than previously thought and suggests a rich discovery potential for a larger neutrino observatory. This docum… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1412.5106v2-abstract-full').style.display = 'inline'; document.getElementById('1412.5106v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1412.5106v2-abstract-full" style="display: none;"> The recent observation by the IceCube neutrino observatory of an astrophysical flux of neutrinos represents the "first light" in the nascent field of neutrino astronomy. The observed diffuse neutrino flux seems to suggest a much larger level of hadronic activity in the non-thermal universe than previously thought and suggests a rich discovery potential for a larger neutrino observatory. This document presents a vision for an substantial expansion of the current IceCube detector, IceCube-Gen2, including the aim of instrumenting a $10\,\mathrm{km}^3$ volume of clear glacial ice at the South Pole to deliver substantial increases in the astrophysical neutrino sample for all flavors. A detector of this size would have a rich physics program with the goal to resolve the sources of these astrophysical neutrinos, discover GZK neutrinos, and be a leading observatory in future multi-messenger astronomy programs. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1412.5106v2-abstract-full').style.display = 'none'; document.getElementById('1412.5106v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 18 December, 2014; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 16 December, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2014. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">20 pages, 12 figures. Address correspondence to: E. Blaufuss, F. Halzen, C. Kopper (Changed to add one missing author, no other changes from initial version.)</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1410.7227">arXiv:1410.7227</a> <span> [<a href="https://arxiv.org/pdf/1410.7227">pdf</a>, <a href="https://arxiv.org/format/1410.7227">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.91.072004">10.1103/PhysRevD.91.072004 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Determining neutrino oscillation parameters from atmospheric muon neutrino disappearance with three years of IceCube DeepCore data </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=IceCube+Collaboration"> IceCube Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aartsen%2C+M+G">M. G. Aartsen</a>, <a href="/search/hep-ex?searchtype=author&query=Ackermann%2C+M">M. Ackermann</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+J">J. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Aguilar%2C+J+A">J. A. Aguilar</a>, <a href="/search/hep-ex?searchtype=author&query=Ahlers%2C+M">M. Ahlers</a>, <a href="/search/hep-ex?searchtype=author&query=Ahrens%2C+M">M. Ahrens</a>, <a href="/search/hep-ex?searchtype=author&query=Altmann%2C+D">D. Altmann</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+T">T. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Arguelles%2C+C">C. Arguelles</a>, <a href="/search/hep-ex?searchtype=author&query=Arlen%2C+T+C">T. C. Arlen</a>, <a href="/search/hep-ex?searchtype=author&query=Auffenberg%2C+J">J. Auffenberg</a>, <a href="/search/hep-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/hep-ex?searchtype=author&query=Barwick%2C+S+W">S. W. Barwick</a>, <a href="/search/hep-ex?searchtype=author&query=Baum%2C+V">V. Baum</a>, <a href="/search/hep-ex?searchtype=author&query=Bay%2C+R">R. Bay</a>, <a href="/search/hep-ex?searchtype=author&query=Beatty%2C+J+J">J. J. Beatty</a>, <a href="/search/hep-ex?searchtype=author&query=Tjus%2C+J+B">J. Becker Tjus</a>, <a href="/search/hep-ex?searchtype=author&query=Becker%2C+K+-">K. -H. Becker</a>, <a href="/search/hep-ex?searchtype=author&query=BenZvi%2C+S">S. BenZvi</a>, <a href="/search/hep-ex?searchtype=author&query=Berghaus%2C+P">P. Berghaus</a>, <a href="/search/hep-ex?searchtype=author&query=Berley%2C+D">D. Berley</a>, <a href="/search/hep-ex?searchtype=author&query=Bernardini%2C+E">E. Bernardini</a>, <a href="/search/hep-ex?searchtype=author&query=Bernhard%2C+A">A. Bernhard</a>, <a href="/search/hep-ex?searchtype=author&query=Besson%2C+D+Z">D. Z. Besson</a> , et al. (279 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1410.7227v2-abstract-short" style="display: inline;"> We present a measurement of neutrino oscillations via atmospheric muon neutrino disappearance with three years of data of the completed IceCube neutrino detector. DeepCore, a region of denser instrumentation, enables the detection and reconstruction of atmospheric muon neutrinos between 10 GeV and 100 GeV, where a strong disappearance signal is expected. The detector volume surrounding DeepCore is… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1410.7227v2-abstract-full').style.display = 'inline'; document.getElementById('1410.7227v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1410.7227v2-abstract-full" style="display: none;"> We present a measurement of neutrino oscillations via atmospheric muon neutrino disappearance with three years of data of the completed IceCube neutrino detector. DeepCore, a region of denser instrumentation, enables the detection and reconstruction of atmospheric muon neutrinos between 10 GeV and 100 GeV, where a strong disappearance signal is expected. The detector volume surrounding DeepCore is used as a veto region to suppress the atmospheric muon background. Neutrino events are selected where the detected Cherenkov photons of the secondary particles minimally scatter, and the neutrino energy and arrival direction are reconstructed. Both variables are used to obtain the neutrino oscillation parameters from the data, with the best fit given by $螖m^2_{32}=2.72^{+0.19}_{-0.20}\times 10^{-3}\,\mathrm{eV}^2$ and $\sin^2胃_{23} = 0.53^{+0.09}_{-0.12}$ (normal mass hierarchy assumed). The results are compatible and comparable in precision to those of dedicated oscillation experiments. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1410.7227v2-abstract-full').style.display = 'none'; document.getElementById('1410.7227v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 13 April, 2015; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 27 October, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2014. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">10 pages, 7 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. 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