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</div> <div class="control"> <button class="button is-small is-link">Go</button> </div> </div> </form> </div> </div> <ol class="breathe-horizontal" start="1"> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2407.21663">arXiv:2407.21663</a> <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/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/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/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/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/2203.11406">arXiv:2203.11406</a> <span> [<a href="https://arxiv.org/pdf/2203.11406">pdf</a>, <a href="https://arxiv.org/format/2203.11406">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="High Energy Physics - Experiment">hep-ex</span> </div> </div> <p class="title is-5 mathjax"> Snowmass2021 Whitepaper: Muonium to antimuonium conversion </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Bai%2C+A">Ai-Yu Bai</a>, <a href="/search/hep-ex?searchtype=author&query=Chen%2C+Y">Yu Chen</a>, <a href="/search/hep-ex?searchtype=author&query=Chen%2C+Y">Yukai Chen</a>, <a href="/search/hep-ex?searchtype=author&query=Fan%2C+R">Rui-Rui Fan</a>, <a href="/search/hep-ex?searchtype=author&query=Hou%2C+Z">Zhilong Hou</a>, <a href="/search/hep-ex?searchtype=author&query=Jing%2C+H">Han-Tao Jing</a>, <a href="/search/hep-ex?searchtype=author&query=Li%2C+H">Hai-Bo Li</a>, <a href="/search/hep-ex?searchtype=author&query=Li%2C+Y">Yang Li</a>, <a href="/search/hep-ex?searchtype=author&query=Miao%2C+H">Han Miao</a>, <a href="/search/hep-ex?searchtype=author&query=Peng%2C+H">Huaxing Peng</a>, <a href="/search/hep-ex?searchtype=author&query=Petrov%2C+A+A">Alexey A. Petrov</a>, <a href="/search/hep-ex?searchtype=author&query=Song%2C+Y">Ying-Peng Song</a>, <a href="/search/hep-ex?searchtype=author&query=Tang%2C+J">Jian Tang</a>, <a href="/search/hep-ex?searchtype=author&query=Tang%2C+J">Jing-Yu Tang</a>, <a href="/search/hep-ex?searchtype=author&query=Vassilopoulos%2C+N">Nikolaos Vassilopoulos</a>, <a href="/search/hep-ex?searchtype=author&query=Vihonen%2C+S">Sampsa Vihonen</a>, <a href="/search/hep-ex?searchtype=author&query=Wu%2C+C">Chen Wu</a>, <a href="/search/hep-ex?searchtype=author&query=Xing%2C+T">Tian-Yu Xing</a>, <a href="/search/hep-ex?searchtype=author&query=Xu%2C+Y">Yu Xu</a>, <a href="/search/hep-ex?searchtype=author&query=Yuan%2C+Y">Ye Yuan</a>, <a href="/search/hep-ex?searchtype=author&query=Zhang%2C+Y">Yao Zhang</a>, <a href="/search/hep-ex?searchtype=author&query=Zhao%2C+G">Guang Zhao</a>, <a href="/search/hep-ex?searchtype=author&query=Zhao%2C+S">Shi-Han Zhao</a>, <a href="/search/hep-ex?searchtype=author&query=Zhou%2C+L">Luping Zhou</a> </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="2203.11406v1-abstract-short" style="display: inline;"> The spontaneous muonium to antimuonium conversion is one of the interesting charged lepton flavor violation processes. It serves as a clear indication of new physics and plays an important role in constraining the parameter space beyond Standard Model. MACE is a proposed experiment to probe such a phenomenon and expected to enhance the sensitivity to the conversion probability by more than two ord… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.11406v1-abstract-full').style.display = 'inline'; document.getElementById('2203.11406v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2203.11406v1-abstract-full" style="display: none;"> The spontaneous muonium to antimuonium conversion is one of the interesting charged lepton flavor violation processes. It serves as a clear indication of new physics and plays an important role in constraining the parameter space beyond Standard Model. MACE is a proposed experiment to probe such a phenomenon and expected to enhance the sensitivity to the conversion probability by more than two orders of magnitude from the current best upper constraint obtained by the PSI experiment two decades ago. Recent developments in the theoretical and experimental aspects to search for such a rare process are summarized. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.11406v1-abstract-full').style.display = 'none'; document.getElementById('2203.11406v1-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 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">13 pages, 10 figures, 3 tables, 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/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/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/1604.06895">arXiv:1604.06895</a> <span> [<a href="https://arxiv.org/pdf/1604.06895">pdf</a>, <a href="https://arxiv.org/format/1604.06895">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/10.1088/1748-0221/11/08/P08001">10.1088/1748-0221/11/08/P08001 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Characterization of the Spontaneous Light Emission of the PMTs used in the Double Chooz Experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Double+Chooz+collaboration"> Double Chooz collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abe%2C+Y">Y. Abe</a>, <a href="/search/hep-ex?searchtype=author&query=Abrah%C3%A3o%2C+T">T. Abrah茫o</a>, <a href="/search/hep-ex?searchtype=author&query=Almazan%2C+H">H. Almazan</a>, <a href="/search/hep-ex?searchtype=author&query=Alt%2C+C">C. Alt</a>, <a href="/search/hep-ex?searchtype=author&query=Appel%2C+S">S. Appel</a>, <a href="/search/hep-ex?searchtype=author&query=Baussan%2C+E">E. Baussan</a>, <a href="/search/hep-ex?searchtype=author&query=Bekman%2C+I">I. Bekman</a>, <a href="/search/hep-ex?searchtype=author&query=Bergevin%2C+M">M. Bergevin</a>, <a href="/search/hep-ex?searchtype=author&query=Bezerra%2C+T+J+C">T. J. C. Bezerra</a>, <a href="/search/hep-ex?searchtype=author&query=Bezrukov%2C+L">L. Bezrukov</a>, <a href="/search/hep-ex?searchtype=author&query=Blucher%2C+E">E. Blucher</a>, <a href="/search/hep-ex?searchtype=author&query=Brugi%C3%A8re%2C+T">T. Brugi猫re</a>, <a href="/search/hep-ex?searchtype=author&query=Buck%2C+C">C. Buck</a>, <a href="/search/hep-ex?searchtype=author&query=Busenitz%2C+J">J. Busenitz</a>, <a href="/search/hep-ex?searchtype=author&query=Cabrera%2C+A">A. Cabrera</a>, <a href="/search/hep-ex?searchtype=author&query=Calvo%2C+E">E. Calvo</a>, <a href="/search/hep-ex?searchtype=author&query=Camilleri%2C+L">L. Camilleri</a>, <a href="/search/hep-ex?searchtype=author&query=Carr%2C+R">R. Carr</a>, <a href="/search/hep-ex?searchtype=author&query=Cerrada%2C+M">M. Cerrada</a>, <a href="/search/hep-ex?searchtype=author&query=Chauveau%2C+E">E. Chauveau</a>, <a href="/search/hep-ex?searchtype=author&query=Chimenti%2C+P">P. Chimenti</a>, <a href="/search/hep-ex?searchtype=author&query=Collin%2C+A+P">A. P. Collin</a>, <a href="/search/hep-ex?searchtype=author&query=Conover%2C+E">E. Conover</a>, <a href="/search/hep-ex?searchtype=author&query=Conrad%2C+J+M">J. M. Conrad</a> , et al. (124 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="1604.06895v2-abstract-short" style="display: inline;"> During the commissioning of the first of the two detectors of the Double Chooz experiment, an unexpected and dominant background caused by the emission of light inside the optical volume has been observed. A specific study of the ensemble of phenomena called "Light Noise" has been carried out in-situ, and in an external laboratory, in order to characterize the signals and to identify the possible… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1604.06895v2-abstract-full').style.display = 'inline'; document.getElementById('1604.06895v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1604.06895v2-abstract-full" style="display: none;"> During the commissioning of the first of the two detectors of the Double Chooz experiment, an unexpected and dominant background caused by the emission of light inside the optical volume has been observed. A specific study of the ensemble of phenomena called "Light Noise" has been carried out in-situ, and in an external laboratory, in order to characterize the signals and to identify the possible processes underlying the effect. Some mechanisms of instrumental noise originating from the PMTs were identified and it has been found that the leading one arises from the light emission localized on the photomultiplier base and produced by the combined effect of heat and high voltage across the transparent epoxy resin covering the electric components. The correlation of the rate and the amplitude of the signal with the temperature has been observed. For the first detector in operation the induced background has been mitigated using online and offline analysis selections based on timing and light pattern of the signals, while a modification of the photomultiplier assembly has been implemented for the second detector in order to blacken the PMT bases. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1604.06895v2-abstract-full').style.display = 'none'; document.getElementById('1604.06895v2-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 August, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 23 April, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 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, 24 figures. Minor revision to be published in the Journal of Instrumentation (JINST), Corresponding author: R. Santorelli</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> JINST 11 (2016) no.08, P08001 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1604.06234">arXiv:1604.06234</a> <span> [<a href="https://arxiv.org/pdf/1604.06234">pdf</a>, <a href="https://arxiv.org/format/1604.06234">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"> Radiation Studies for the Target Station of the MOMENT </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Xu%2C+Q">Qing-Nian Xu</a>, <a href="/search/hep-ex?searchtype=author&query=Tong%2C+J">Jian-Fei Tong</a>, <a href="/search/hep-ex?searchtype=author&query=Vassilopoulos%2C+N">Nikolaos Vassilopoulos</a>, <a href="/search/hep-ex?searchtype=author&query=Cao%2C+J">Jun Cao</a>, <a href="/search/hep-ex?searchtype=author&query=He%2C+M">Miao He</a>, <a href="/search/hep-ex?searchtype=author&query=Hou%2C+Z">Zhi-Long Hou</a>, <a href="/search/hep-ex?searchtype=author&query=Jing%2C+H">Han-Tao Jing</a>, <a href="/search/hep-ex?searchtype=author&query=Liu%2C+H">Huai-Min Liu</a>, <a href="/search/hep-ex?searchtype=author&query=Lyu%2C+X">Xiao-Rui Lyu</a>, <a href="/search/hep-ex?searchtype=author&query=Tang%2C+J">Jing-Yu Tang</a>, <a href="/search/hep-ex?searchtype=author&query=Yuan%2C+Y">Ye Yuan</a>, <a href="/search/hep-ex?searchtype=author&query=Zhao%2C+G">Guang Zhao</a>, <a href="/search/hep-ex?searchtype=author&query=Zheng%2C+Y">Yang-Heng Zheng</a> </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="1604.06234v2-abstract-short" style="display: inline;"> The discovery of the neutrino mixing angle $胃_{13}$ opens new opportunities for the discovery of the leptonic CP violation for high intensity neutrino beams. MOMENT a future neutrino facility with a high-power proton beam of 15 MW from a continuous-wave linac is focused on that discovery. The high power of the proton beam causes extreme radiation conditions for the facility and especially for the… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1604.06234v2-abstract-full').style.display = 'inline'; document.getElementById('1604.06234v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1604.06234v2-abstract-full" style="display: none;"> The discovery of the neutrino mixing angle $胃_{13}$ opens new opportunities for the discovery of the leptonic CP violation for high intensity neutrino beams. MOMENT a future neutrino facility with a high-power proton beam of 15 MW from a continuous-wave linac is focused on that discovery. The high power of the proton beam causes extreme radiation conditions for the facility and especially for the target station where the pion capture system of five superconducting solenoids is located. In this paper initial studies are performed for the effects of the radiation on the solenoid structure and the area surrounding it. A concept cooling system is also proposed. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1604.06234v2-abstract-full').style.display = 'none'; document.getElementById('1604.06234v2-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> 10 October, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 21 April, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 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">7 pages, 24 figures, to be 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/1512.07562">arXiv:1512.07562</a> <span> [<a href="https://arxiv.org/pdf/1512.07562">pdf</a>, <a href="https://arxiv.org/ps/1512.07562">ps</a>, <a href="https://arxiv.org/format/1512.07562">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</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="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/PhysRevC.93.054608">10.1103/PhysRevC.93.054608 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Muon capture on light isotopes in Double Chooz </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Double+Chooz+collaboration"> Double Chooz collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abe%2C+Y">Y. Abe</a>, <a href="/search/hep-ex?searchtype=author&query=Abrah%C3%A3o%2C+T">T. Abrah茫o</a>, <a href="/search/hep-ex?searchtype=author&query=Almazan%2C+H">H. Almazan</a>, <a href="/search/hep-ex?searchtype=author&query=Alt%2C+C">C. Alt</a>, <a href="/search/hep-ex?searchtype=author&query=Appel%2C+S">S. Appel</a>, <a href="/search/hep-ex?searchtype=author&query=Barriere%2C+J+C">J. C. Barriere</a>, <a href="/search/hep-ex?searchtype=author&query=Baussan%2C+E">E. Baussan</a>, <a href="/search/hep-ex?searchtype=author&query=Bekman%2C+I">I. Bekman</a>, <a href="/search/hep-ex?searchtype=author&query=Bergevin%2C+M">M. Bergevin</a>, <a href="/search/hep-ex?searchtype=author&query=Bezerra%2C+T+J+C">T. J. C. Bezerra</a>, <a href="/search/hep-ex?searchtype=author&query=Bezrukov%2C+L">L. Bezrukov</a>, <a href="/search/hep-ex?searchtype=author&query=Blucher%2C+E">E. Blucher</a>, <a href="/search/hep-ex?searchtype=author&query=Brugi%C3%A8re%2C+T">T. Brugi猫re</a>, <a href="/search/hep-ex?searchtype=author&query=Buck%2C+C">C. Buck</a>, <a href="/search/hep-ex?searchtype=author&query=Busenitz%2C+J">J. Busenitz</a>, <a href="/search/hep-ex?searchtype=author&query=Cabrera%2C+A">A. Cabrera</a>, <a href="/search/hep-ex?searchtype=author&query=Camilleri%2C+L">L. Camilleri</a>, <a href="/search/hep-ex?searchtype=author&query=Carr%2C+R">R. Carr</a>, <a href="/search/hep-ex?searchtype=author&query=Cerrada%2C+M">M. Cerrada</a>, <a href="/search/hep-ex?searchtype=author&query=Chauveau%2C+E">E. Chauveau</a>, <a href="/search/hep-ex?searchtype=author&query=Chimenti%2C+P">P. Chimenti</a>, <a href="/search/hep-ex?searchtype=author&query=Collin%2C+A+P">A. P. Collin</a>, <a href="/search/hep-ex?searchtype=author&query=Conover%2C+E">E. Conover</a>, <a href="/search/hep-ex?searchtype=author&query=Conrad%2C+J+M">J. M. Conrad</a> , et al. (122 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="1512.07562v2-abstract-short" style="display: inline;"> Using the Double Chooz detector, designed to measure the neutrino mixing angle $胃_{13}$, the products of $渭^-$ capture on $^{12}$C, $^{13}$C, $^{14}$N and $^{16}$O have been measured. Over a period of 489.5 days, $2.3\times10^6$ stopping cosmic $渭^-$ have been collected, of which $1.8\times10^5$ captured on carbon, nitrogen, or oxygen nuclei in the inner detector scintillator or acrylic vessels. T… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1512.07562v2-abstract-full').style.display = 'inline'; document.getElementById('1512.07562v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1512.07562v2-abstract-full" style="display: none;"> Using the Double Chooz detector, designed to measure the neutrino mixing angle $胃_{13}$, the products of $渭^-$ capture on $^{12}$C, $^{13}$C, $^{14}$N and $^{16}$O have been measured. Over a period of 489.5 days, $2.3\times10^6$ stopping cosmic $渭^-$ have been collected, of which $1.8\times10^5$ captured on carbon, nitrogen, or oxygen nuclei in the inner detector scintillator or acrylic vessels. The resulting isotopes were tagged using prompt neutron emission (when applicable), the subsequent beta decays, and, in some cases, $尾$-delayed neutrons. The most precise measurement of the rate of $^{12}\mathrm C(渭^-,谓)^{12}\mathrm B$ to date is reported: $6.57^{+0.11}_{-0.21}\times10^{3}\,\mathrm s^{-1}$, or $(17.35^{+0.35}_{-0.59})\%$ of nuclear captures. By tagging excited states emitting gammas, the ground state transition rate to $^{12}$B has been determined to be $5.68^{+0.14}_{-0.23}\times10^3\,\mathrm s^{-1}$. The heretofore unobserved reactions $^{12}\mathrm C(渭^-,谓伪)^{8}\mathrm{Li}$, $^{13}\mathrm C(渭^-,谓\mathrm n伪)^{8}\mathrm{Li}$, and $^{13}\mathrm C(渭^-,谓\mathrm n)^{12}\mathrm B$ are measured. Further, a population of $尾$n decays following stopping muons is identified with $5.5蟽$ significance. Statistics limit our ability to identify these decays definitively. Assuming negligible production of $^{8}$He, the reaction $^{13}\mathrm C(渭^-,谓伪)^{9}\mathrm{Li}$ is found to be present at the $2.7蟽$ level. Limits are set on a variety of other processes. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1512.07562v2-abstract-full').style.display = 'none'; document.getElementById('1512.07562v2-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, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 23 December, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 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">21 pages, 14 figures. Minor revisions. Corresponding author: M. Strait</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 93, 054608 (2016) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1510.08937">arXiv:1510.08937</a> <span> [<a href="https://arxiv.org/pdf/1510.08937">pdf</a>, <a href="https://arxiv.org/ps/1510.08937">ps</a>, <a href="https://arxiv.org/format/1510.08937">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/10.1007/JHEP01(2016)163">10.1007/JHEP01(2016)163 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of $胃_{13}$ in Double Chooz using neutron captures on hydrogen with novel background rejection techniques </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Abe%2C+Y">Y. Abe</a>, <a href="/search/hep-ex?searchtype=author&query=Appel%2C+S">S. Appel</a>, <a href="/search/hep-ex?searchtype=author&query=Abrah%C3%A3o%2C+T">T. Abrah茫o</a>, <a href="/search/hep-ex?searchtype=author&query=Almazan%2C+H">H. Almazan</a>, <a href="/search/hep-ex?searchtype=author&query=Alt%2C+C">C. Alt</a>, <a href="/search/hep-ex?searchtype=author&query=Anjos%2C+J+C+d">J. C. dos Anjos</a>, <a href="/search/hep-ex?searchtype=author&query=Barriere%2C+J+C">J. C. Barriere</a>, <a href="/search/hep-ex?searchtype=author&query=Baussan%2C+E">E. Baussan</a>, <a href="/search/hep-ex?searchtype=author&query=Bekman%2C+I">I. Bekman</a>, <a href="/search/hep-ex?searchtype=author&query=Bergevin%2C+M">M. Bergevin</a>, <a href="/search/hep-ex?searchtype=author&query=Bezerra%2C+T+J+C">T. J. C. Bezerra</a>, <a href="/search/hep-ex?searchtype=author&query=Bezrukov%2C+L">L. Bezrukov</a>, <a href="/search/hep-ex?searchtype=author&query=Blucher%2C+E">E. Blucher</a>, <a href="/search/hep-ex?searchtype=author&query=Brugi%C3%A8re%2C+T">T. Brugi猫re</a>, <a href="/search/hep-ex?searchtype=author&query=Buck%2C+C">C. Buck</a>, <a href="/search/hep-ex?searchtype=author&query=Busenitz%2C+J">J. Busenitz</a>, <a href="/search/hep-ex?searchtype=author&query=Cabrera%2C+A">A. Cabrera</a>, <a href="/search/hep-ex?searchtype=author&query=Camilleri%2C+L">L. Camilleri</a>, <a href="/search/hep-ex?searchtype=author&query=Carr%2C+R">R. Carr</a>, <a href="/search/hep-ex?searchtype=author&query=Cerrada%2C+M">M. Cerrada</a>, <a href="/search/hep-ex?searchtype=author&query=Chauveau%2C+E">E. Chauveau</a>, <a href="/search/hep-ex?searchtype=author&query=Chimenti%2C+P">P. Chimenti</a>, <a href="/search/hep-ex?searchtype=author&query=Collin%2C+A+P">A. P. Collin</a>, <a href="/search/hep-ex?searchtype=author&query=Conrad%2C+J+M">J. M. Conrad</a>, <a href="/search/hep-ex?searchtype=author&query=Crespo-Anad%C3%B3n%2C+J+I">J. I. Crespo-Anad贸n</a> , et al. (120 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="1510.08937v2-abstract-short" style="display: inline;"> The Double Chooz collaboration presents a measurement of the neutrino mixing angle $胃_{13}$ using reactor $\overline谓_{e}$ observed via the inverse beta decay reaction in which the neutron is captured on hydrogen. This measurement is based on 462.72 live days data, approximately twice as much data as in the previous such analysis, collected with a detector positioned at an average distance of 1050… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1510.08937v2-abstract-full').style.display = 'inline'; document.getElementById('1510.08937v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1510.08937v2-abstract-full" style="display: none;"> The Double Chooz collaboration presents a measurement of the neutrino mixing angle $胃_{13}$ using reactor $\overline谓_{e}$ observed via the inverse beta decay reaction in which the neutron is captured on hydrogen. This measurement is based on 462.72 live days data, approximately twice as much data as in the previous such analysis, collected with a detector positioned at an average distance of 1050m from two reactor cores. Several novel techniques have been developed to achieve significant reductions of the backgrounds and systematic uncertainties. Accidental coincidences, the dominant background in this analysis, are suppressed by more than an order of magnitude with respect to our previous publication by a multi-variate analysis. These improvements demonstrate the capability of precise measurement of reactor $\overline谓_{e}$ without gadolinium loading. Spectral distortions from the $\overline谓_{e}$ reactor flux predictions previously reported with the neutron capture on gadolinium events are confirmed in the independent data sample presented here. A value of $\sin^{2}2胃_{13} = 0.095^{+0.038}_{-0.039}$(stat+syst) is obtained from a fit to the observed event rate as a function of the reactor power, a method insensitive to the energy spectrum shape. A simultaneous fit of the hydrogen capture events and of the gadolinium capture events yields a measurement of $\sin^{2}2胃_{13} = 0.088\pm0.033$(stat+syst). <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1510.08937v2-abstract-full').style.display = 'none'; document.getElementById('1510.08937v2-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> 28 December, 2015; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 29 October, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> JHEP 01 (2016) 163 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1407.6913">arXiv:1407.6913</a> <span> [<a href="https://arxiv.org/pdf/1407.6913">pdf</a>, <a href="https://arxiv.org/ps/1407.6913">ps</a>, <a href="https://arxiv.org/format/1407.6913">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/JHEP10(2014)032">10.1007/JHEP10(2014)032 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Ortho-positronium observation in the Double Chooz Experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Abe%2C+Y">Y. Abe</a>, <a href="/search/hep-ex?searchtype=author&query=Anjos%2C+J+C+d">J. C. dos Anjos</a>, <a href="/search/hep-ex?searchtype=author&query=Barriere%2C+J+C">J. C. Barriere</a>, <a href="/search/hep-ex?searchtype=author&query=Baussan%2C+E">E. Baussan</a>, <a href="/search/hep-ex?searchtype=author&query=Bekman%2C+I">I. Bekman</a>, <a href="/search/hep-ex?searchtype=author&query=Bergevin%2C+M">M. Bergevin</a>, <a href="/search/hep-ex?searchtype=author&query=Bezerra%2C+T+J+C">T. J. C. Bezerra</a>, <a href="/search/hep-ex?searchtype=author&query=Bezrukov%2C+L">L. Bezrukov</a>, <a href="/search/hep-ex?searchtype=author&query=Blucher%2C+E">E. Blucher</a>, <a href="/search/hep-ex?searchtype=author&query=Buck%2C+C">C. Buck</a>, <a href="/search/hep-ex?searchtype=author&query=Busenitz%2C+J">J. Busenitz</a>, <a href="/search/hep-ex?searchtype=author&query=Cabrera%2C+A">A. Cabrera</a>, <a href="/search/hep-ex?searchtype=author&query=Caden%2C+E">E. Caden</a>, <a href="/search/hep-ex?searchtype=author&query=Camilleri%2C+L">L. Camilleri</a>, <a href="/search/hep-ex?searchtype=author&query=Carr%2C+R">R. Carr</a>, <a href="/search/hep-ex?searchtype=author&query=Cerrada%2C+M">M. Cerrada</a>, <a href="/search/hep-ex?searchtype=author&query=Chang%2C+P+-">P. -J. Chang</a>, <a href="/search/hep-ex?searchtype=author&query=Chauveau%2C+E">E. Chauveau</a>, <a href="/search/hep-ex?searchtype=author&query=Chimenti%2C+P">P. Chimenti</a>, <a href="/search/hep-ex?searchtype=author&query=Collin%2C+A+P">A. P. Collin</a>, <a href="/search/hep-ex?searchtype=author&query=Conover%2C+E">E. Conover</a>, <a href="/search/hep-ex?searchtype=author&query=Conrad%2C+J+M">J. M. Conrad</a>, <a href="/search/hep-ex?searchtype=author&query=Crespo-Anadon%2C+J+I">J. I. Crespo-Anadon</a>, <a href="/search/hep-ex?searchtype=author&query=Crum%2C+K">K. Crum</a>, <a href="/search/hep-ex?searchtype=author&query=Cucoanes%2C+A+S">A. S. Cucoanes</a> , et al. (121 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="1407.6913v2-abstract-short" style="display: inline;"> The Double Chooz experiment measures the neutrino mixing angle $胃_{13}$ by detecting reactor $\bar谓_e$ via inverse beta decay. The positron-neutron space and time coincidence allows for a sizable background rejection, nonetheless liquid scintillator detectors would profit from a positron/electron discrimination, if feasible in large detector, to suppress the remaining background. Standard particle… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1407.6913v2-abstract-full').style.display = 'inline'; document.getElementById('1407.6913v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1407.6913v2-abstract-full" style="display: none;"> The Double Chooz experiment measures the neutrino mixing angle $胃_{13}$ by detecting reactor $\bar谓_e$ via inverse beta decay. The positron-neutron space and time coincidence allows for a sizable background rejection, nonetheless liquid scintillator detectors would profit from a positron/electron discrimination, if feasible in large detector, to suppress the remaining background. Standard particle identification, based on particle dependent time profile of photon emission in liquid scintillator, can not be used given the identical mass of the two particles. However, the positron annihilation is sometimes delayed by the ortho-positronium (o-Ps) metastable state formation, which induces a pulse shape distortion that could be used for positron identification. In this paper we report on the first observation of positronium formation in a large liquid scintillator detector based on pulse shape analysis of single events. The o-Ps formation fraction and its lifetime were measured, finding the values of 44$\%$ $\pm$ 12$\%$ (sys.) $\pm$ 5$\%$ (stat.) and $3.68$ns $\pm$ 0.17ns (sys.) $\pm$ 0.15ns (stat.) respectively, in agreement with the results obtained with a dedicated positron annihilation lifetime spectroscopy setup. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1407.6913v2-abstract-full').style.display = 'none'; document.getElementById('1407.6913v2-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 October, 2014; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 25 July, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 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">17 pages, 5 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> JHEP 1410 (2014) 032 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1406.7763">arXiv:1406.7763</a> <span> [<a href="https://arxiv.org/pdf/1406.7763">pdf</a>, <a href="https://arxiv.org/ps/1406.7763">ps</a>, <a href="https://arxiv.org/format/1406.7763">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/10.1007/JHEP10(2014)086">10.1007/JHEP10(2014)086 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Improved measurements of the neutrino mixing angle $胃_{13}$ with the Double Chooz detector </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Abe%2C+Y">Y. Abe</a>, <a href="/search/hep-ex?searchtype=author&query=Anjos%2C+J+C+d">J. C. dos Anjos</a>, <a href="/search/hep-ex?searchtype=author&query=Barriere%2C+J+C">J. C. Barriere</a>, <a href="/search/hep-ex?searchtype=author&query=Baussan%2C+E">E. Baussan</a>, <a href="/search/hep-ex?searchtype=author&query=Bekman%2C+I">I. Bekman</a>, <a href="/search/hep-ex?searchtype=author&query=Bergevin%2C+M">M. Bergevin</a>, <a href="/search/hep-ex?searchtype=author&query=Bezerra%2C+T+J+C">T. J. C. Bezerra</a>, <a href="/search/hep-ex?searchtype=author&query=Bezrukov%2C+L">L. Bezrukov</a>, <a href="/search/hep-ex?searchtype=author&query=Blucher%2C+E">E. Blucher</a>, <a href="/search/hep-ex?searchtype=author&query=Buck%2C+C">C. Buck</a>, <a href="/search/hep-ex?searchtype=author&query=Busenitz%2C+J">J. Busenitz</a>, <a href="/search/hep-ex?searchtype=author&query=Cabrera%2C+A">A. Cabrera</a>, <a href="/search/hep-ex?searchtype=author&query=Caden%2C+E">E. Caden</a>, <a href="/search/hep-ex?searchtype=author&query=Camilleri%2C+L">L. Camilleri</a>, <a href="/search/hep-ex?searchtype=author&query=Carr%2C+R">R. Carr</a>, <a href="/search/hep-ex?searchtype=author&query=Cerrada%2C+M">M. Cerrada</a>, <a href="/search/hep-ex?searchtype=author&query=Chang%2C+P+-">P. -J. Chang</a>, <a href="/search/hep-ex?searchtype=author&query=Chauveau%2C+E">E. Chauveau</a>, <a href="/search/hep-ex?searchtype=author&query=Chimenti%2C+P">P. Chimenti</a>, <a href="/search/hep-ex?searchtype=author&query=Collin%2C+A+P">A. P. Collin</a>, <a href="/search/hep-ex?searchtype=author&query=Conover%2C+E">E. Conover</a>, <a href="/search/hep-ex?searchtype=author&query=Conrad%2C+J+M">J. M. Conrad</a>, <a href="/search/hep-ex?searchtype=author&query=Crespo-Anad%C3%B3n%2C+J+I">J. I. Crespo-Anad贸n</a>, <a href="/search/hep-ex?searchtype=author&query=Crum%2C+K">K. Crum</a>, <a href="/search/hep-ex?searchtype=author&query=Cucoanes%2C+A+S">A. S. Cucoanes</a> , et al. (121 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="1406.7763v4-abstract-short" style="display: inline;"> The Double Chooz experiment presents improved measurements of the neutrino mixing angle $胃_{13}$ using the data collected in 467.90 live days from a detector positioned at an average distance of 1050 m from two reactor cores at the Chooz nuclear power plant. Several novel techniques have been developed to achieve significant reductions of the backgrounds and systematic uncertainties with respect t… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1406.7763v4-abstract-full').style.display = 'inline'; document.getElementById('1406.7763v4-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1406.7763v4-abstract-full" style="display: none;"> The Double Chooz experiment presents improved measurements of the neutrino mixing angle $胃_{13}$ using the data collected in 467.90 live days from a detector positioned at an average distance of 1050 m from two reactor cores at the Chooz nuclear power plant. Several novel techniques have been developed to achieve significant reductions of the backgrounds and systematic uncertainties with respect to previous publications, whereas the efficiency of the $\bar谓_{e}$ signal has increased. The value of $胃_{13}$ is measured to be $\sin^{2}2胃_{13} = 0.090 ^{+0.032}_{-0.029}$ from a fit to the observed energy spectrum. Deviations from the reactor $\bar谓_{e}$ prediction observed above a prompt signal energy of 4 MeV and possible explanations are also reported. A consistent value of $胃_{13}$ is obtained from a fit to the observed rate as a function of the reactor power independently of the spectrum shape and background estimation, demonstrating the robustness of the $胃_{13}$ measurement despite the observed distortion. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1406.7763v4-abstract-full').style.display = 'none'; document.getElementById('1406.7763v4-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 January, 2015; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 30 June, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 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">44 pages, 25 figures. Figures 21 and 22 have been replaced (statistical error bars for bins above 8 MeV have become smaller). No other changes in the results of the paper; an Erratum submitted to JHEP</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> JHEP 10 (2014) 086 [Erratum ibid. 02 (2015) 074] </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1405.6227">arXiv:1405.6227</a> <span> [<a href="https://arxiv.org/pdf/1405.6227">pdf</a>, <a href="https://arxiv.org/format/1405.6227">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/10.1016/j.nima.2014.07.058">10.1016/j.nima.2014.07.058 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Precision Muon Reconstruction in Double Chooz </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Double+Chooz+collaboration"> Double Chooz collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abe%2C+Y">Y. Abe</a>, <a href="/search/hep-ex?searchtype=author&query=Anjos%2C+J+C+d">J. C. dos Anjos</a>, <a href="/search/hep-ex?searchtype=author&query=Barriere%2C+J+C">J. C. Barriere</a>, <a href="/search/hep-ex?searchtype=author&query=Baussan%2C+E">E. Baussan</a>, <a href="/search/hep-ex?searchtype=author&query=Bekman%2C+I">I. Bekman</a>, <a href="/search/hep-ex?searchtype=author&query=Bergevin%2C+M">M. Bergevin</a>, <a href="/search/hep-ex?searchtype=author&query=Bezerra%2C+T+J+C">T. J. C. Bezerra</a>, <a href="/search/hep-ex?searchtype=author&query=Bezrukov%2C+L">L. Bezrukov</a>, <a href="/search/hep-ex?searchtype=author&query=Blucher%2C+E">E. Blucher</a>, <a href="/search/hep-ex?searchtype=author&query=Buck%2C+C">C. Buck</a>, <a href="/search/hep-ex?searchtype=author&query=Busenitz%2C+J">J. Busenitz</a>, <a href="/search/hep-ex?searchtype=author&query=Cabrera%2C+A">A. Cabrera</a>, <a href="/search/hep-ex?searchtype=author&query=Caden%2C+E">E. Caden</a>, <a href="/search/hep-ex?searchtype=author&query=Camilleri%2C+L">L. Camilleri</a>, <a href="/search/hep-ex?searchtype=author&query=Carr%2C+R">R. Carr</a>, <a href="/search/hep-ex?searchtype=author&query=Cerrada%2C+M">M. Cerrada</a>, <a href="/search/hep-ex?searchtype=author&query=Chang%2C+P+-">P. -J. Chang</a>, <a href="/search/hep-ex?searchtype=author&query=Chauveau%2C+E">E. Chauveau</a>, <a href="/search/hep-ex?searchtype=author&query=Chimenti%2C+P">P. Chimenti</a>, <a href="/search/hep-ex?searchtype=author&query=Collin%2C+A+P">A. P. Collin</a>, <a href="/search/hep-ex?searchtype=author&query=Conover%2C+E">E. Conover</a>, <a href="/search/hep-ex?searchtype=author&query=Conrad%2C+J+M">J. M. Conrad</a>, <a href="/search/hep-ex?searchtype=author&query=Crespo-Anad%C3%B3n%2C+J+I">J. I. Crespo-Anad贸n</a>, <a href="/search/hep-ex?searchtype=author&query=Crum%2C+K">K. Crum</a> , et al. (119 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="1405.6227v2-abstract-short" style="display: inline;"> We describe a muon track reconstruction algorithm for the reactor anti-neutrino experiment Double Chooz. The Double Chooz detector consists of two optically isolated volumes of liquid scintillator viewed by PMTs, and an Outer Veto above these made of crossed scintillator strips. Muons are reconstructed by their Outer Veto hit positions along with timing information from the other two detector volu… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1405.6227v2-abstract-full').style.display = 'inline'; document.getElementById('1405.6227v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1405.6227v2-abstract-full" style="display: none;"> We describe a muon track reconstruction algorithm for the reactor anti-neutrino experiment Double Chooz. The Double Chooz detector consists of two optically isolated volumes of liquid scintillator viewed by PMTs, and an Outer Veto above these made of crossed scintillator strips. Muons are reconstructed by their Outer Veto hit positions along with timing information from the other two detector volumes. All muons are fit under the hypothesis that they are through-going and ultrarelativistic. If the energy depositions suggest that the muon may have stopped, the reconstruction fits also for this hypothesis and chooses between the two via the relative goodness-of-fit. In the ideal case of a through-going muon intersecting the center of the detector, the resolution is ~40 mm in each transverse dimension. High quality muon reconstruction is an important tool for reducing the impact of the cosmogenic isotope background in Double Chooz. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1405.6227v2-abstract-full').style.display = 'none'; document.getElementById('1405.6227v2-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 August, 2014; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 23 May, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 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">12 pages, 8 figures, submitted to Nuclear Instrumentation and Methods A. Author list corrected</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 764 (2014) 330-339 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1402.5250">arXiv:1402.5250</a> <span> [<a href="https://arxiv.org/pdf/1402.5250">pdf</a>, <a href="https://arxiv.org/format/1402.5250">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.89.071301">10.1103/PhysRevD.89.071301 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Light sterile neutrino sensitivity at the nuSTORM facility </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Adey%2C+D">D. Adey</a>, <a href="/search/hep-ex?searchtype=author&query=Agarwalla%2C+S+K">S. K. Agarwalla</a>, <a href="/search/hep-ex?searchtype=author&query=Ankenbrandt%2C+C+M">C. M. Ankenbrandt</a>, <a href="/search/hep-ex?searchtype=author&query=Asfandiyarov%2C+R">R. Asfandiyarov</a>, <a href="/search/hep-ex?searchtype=author&query=Back%2C+J+J">J. J. Back</a>, <a href="/search/hep-ex?searchtype=author&query=Barker%2C+G">G. Barker</a>, <a href="/search/hep-ex?searchtype=author&query=Baussan%2C+E">E. Baussan</a>, <a href="/search/hep-ex?searchtype=author&query=Bayes%2C+R">R. Bayes</a>, <a href="/search/hep-ex?searchtype=author&query=Bhadra%2C+S">S. Bhadra</a>, <a href="/search/hep-ex?searchtype=author&query=Blackmore%2C+V">V. Blackmore</a>, <a href="/search/hep-ex?searchtype=author&query=Blondel%2C+A">A. Blondel</a>, <a href="/search/hep-ex?searchtype=author&query=Bogacz%2C+S+A">S. A. Bogacz</a>, <a href="/search/hep-ex?searchtype=author&query=Booth%2C+C">C. Booth</a>, <a href="/search/hep-ex?searchtype=author&query=Boyd%2C+S+B">S. B. Boyd</a>, <a href="/search/hep-ex?searchtype=author&query=Bramsiepe%2C+S+G">S. G. Bramsiepe</a>, <a href="/search/hep-ex?searchtype=author&query=Bravar%2C+A">A. Bravar</a>, <a href="/search/hep-ex?searchtype=author&query=Brice%2C+S+J">S. J. Brice</a>, <a href="/search/hep-ex?searchtype=author&query=Bross%2C+A+D">A. D. Bross</a>, <a href="/search/hep-ex?searchtype=author&query=Cadoux%2C+F">F. Cadoux</a>, <a href="/search/hep-ex?searchtype=author&query=Cease%2C+H">H. Cease</a>, <a href="/search/hep-ex?searchtype=author&query=Cervera%2C+A">A. Cervera</a>, <a href="/search/hep-ex?searchtype=author&query=Cobb%2C+J">J. Cobb</a>, <a href="/search/hep-ex?searchtype=author&query=Colling%2C+D">D. Colling</a>, <a href="/search/hep-ex?searchtype=author&query=Coloma%2C+P">P. Coloma</a>, <a href="/search/hep-ex?searchtype=author&query=Coney%2C+L">L. Coney</a> , et al. (87 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="1402.5250v1-abstract-short" style="display: inline;"> A facility that can deliver beams of electron and muon neutrinos from the decay of a stored muon beam has the potential to unambiguously resolve the issue of the evidence for light sterile neutrinos that arises in short-baseline neutrino oscillation experiments and from estimates of the effective number of neutrino flavors from fits to cosmological data. In this paper, we show that the nuSTORM fac… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1402.5250v1-abstract-full').style.display = 'inline'; document.getElementById('1402.5250v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1402.5250v1-abstract-full" style="display: none;"> A facility that can deliver beams of electron and muon neutrinos from the decay of a stored muon beam has the potential to unambiguously resolve the issue of the evidence for light sterile neutrinos that arises in short-baseline neutrino oscillation experiments and from estimates of the effective number of neutrino flavors from fits to cosmological data. In this paper, we show that the nuSTORM facility, with stored muons of 3.8 GeV/c $\pm$ 10%, will be able to carry out a conclusive muon neutrino appearance search for sterile neutrinos and test the LSND and MiniBooNE experimental signals with 10$蟽$ sensitivity, even assuming conservative estimates for the systematic uncertainties. This experiment would add greatly to our knowledge of the contribution of light sterile neutrinos to the number of effective neutrino flavors from the abundance of primordial helium production and from constraints on neutrino energy density from the cosmic microwave background. The appearance search is complemented by a simultaneous muon neutrino disappearance analysis that will facilitate tests of various sterile neutrino models. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1402.5250v1-abstract-full').style.display = 'none'; document.getElementById('1402.5250v1-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 February, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 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">7 pages, 5 figures, submitted to Physical Review 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/1401.5981">arXiv:1401.5981</a> <span> [<a href="https://arxiv.org/pdf/1401.5981">pdf</a>, <a href="https://arxiv.org/ps/1401.5981">ps</a>, <a href="https://arxiv.org/format/1401.5981">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.physletb.2014.04.045">10.1016/j.physletb.2014.04.045 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Background-independent measurement of $胃_{13}$ in Double Chooz </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Abe%2C+Y">Y. Abe</a>, <a href="/search/hep-ex?searchtype=author&query=Anjos%2C+J+C+d">J. C. dos Anjos</a>, <a href="/search/hep-ex?searchtype=author&query=Barriere%2C+J+C">J. C. Barriere</a>, <a href="/search/hep-ex?searchtype=author&query=Baussan%2C+E">E. Baussan</a>, <a href="/search/hep-ex?searchtype=author&query=Bekman%2C+I">I. Bekman</a>, <a href="/search/hep-ex?searchtype=author&query=Bergevin%2C+M">M. Bergevin</a>, <a href="/search/hep-ex?searchtype=author&query=Bezerra%2C+T+J+C">T. J. C. Bezerra</a>, <a href="/search/hep-ex?searchtype=author&query=Bezrukov%2C+L">L. Bezrukov</a>, <a href="/search/hep-ex?searchtype=author&query=Blucher%2C+E">E. Blucher</a>, <a href="/search/hep-ex?searchtype=author&query=Buck%2C+C">C. Buck</a>, <a href="/search/hep-ex?searchtype=author&query=Busenitz%2C+J">J. Busenitz</a>, <a href="/search/hep-ex?searchtype=author&query=Cabrera%2C+A">A. Cabrera</a>, <a href="/search/hep-ex?searchtype=author&query=Caden%2C+E">E. Caden</a>, <a href="/search/hep-ex?searchtype=author&query=Camilleri%2C+L">L. Camilleri</a>, <a href="/search/hep-ex?searchtype=author&query=Carr%2C+R">R. Carr</a>, <a href="/search/hep-ex?searchtype=author&query=Cerrada%2C+M">M. Cerrada</a>, <a href="/search/hep-ex?searchtype=author&query=Chang%2C+P+-">P. -J. Chang</a>, <a href="/search/hep-ex?searchtype=author&query=Chauveau%2C+E">E. Chauveau</a>, <a href="/search/hep-ex?searchtype=author&query=Chimenti%2C+P">P. Chimenti</a>, <a href="/search/hep-ex?searchtype=author&query=Collin%2C+A+P">A. P. Collin</a>, <a href="/search/hep-ex?searchtype=author&query=Conover%2C+E">E. Conover</a>, <a href="/search/hep-ex?searchtype=author&query=Conrad%2C+J+M">J. M. Conrad</a>, <a href="/search/hep-ex?searchtype=author&query=Crespo-Anad%C3%B3n%2C+J+I">J. I. Crespo-Anad贸n</a>, <a href="/search/hep-ex?searchtype=author&query=Crum%2C+K">K. Crum</a>, <a href="/search/hep-ex?searchtype=author&query=Cucoanes%2C+A">A. Cucoanes</a> , et al. (121 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="1401.5981v2-abstract-short" style="display: inline;"> The oscillation results published by the Double Chooz collaboration in 2011 and 2012 rely on background models substantiated by reactor-on data. In this analysis, we present a background-model-independent measurement of the mixing angle $胃_{13}$ by including 7.53 days of reactor-off data. A global fit of the observed neutrino rates for different reactor power conditions is performed, yielding a me… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1401.5981v2-abstract-full').style.display = 'inline'; document.getElementById('1401.5981v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1401.5981v2-abstract-full" style="display: none;"> The oscillation results published by the Double Chooz collaboration in 2011 and 2012 rely on background models substantiated by reactor-on data. In this analysis, we present a background-model-independent measurement of the mixing angle $胃_{13}$ by including 7.53 days of reactor-off data. A global fit of the observed neutrino rates for different reactor power conditions is performed, yielding a measurement of both $胃_{13}$ and the total background rate. The results on the mixing angle are improved significantly by including the reactor-off data in the fit, as it provides a direct measurement of the total background rate. This reactor rate modulation analysis considers antineutrino candidates with neutron captures on both Gd and H, whose combination yields $\sin^2(2胃_{13})=$ 0.102 $\pm$ 0.028(stat.) $\pm$ 0.033(syst.). The results presented in this study are fully consistent with the ones already published by Double Chooz, achieving a competitive precision. They provide, for the first time, a determination of $胃_{13}$ that does not depend on a background model. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1401.5981v2-abstract-full').style.display = 'none'; document.getElementById('1401.5981v2-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> 25 April, 2014; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 23 January, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2014. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Lett. B735 (2014) 51-56 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1309.7022">arXiv:1309.7022</a> <span> [<a href="https://arxiv.org/pdf/1309.7022">pdf</a>, <a href="https://arxiv.org/format/1309.7022">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> <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.nuclphysb.2014.05.016">10.1016/j.nuclphysb.2014.05.016 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> A Very Intense Neutrino Super Beam Experiment for Leptonic CP Violation Discovery based on the European Spallation Source Linac: A Snowmass 2013 White Paper </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Baussan%2C+E">E. Baussan</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=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=Coloma%2C+P">P. Coloma</a>, <a href="/search/hep-ex?searchtype=author&query=Cupial%2C+P">P. Cupial</a>, <a href="/search/hep-ex?searchtype=author&query=Danared%2C+H">H. Danared</a>, <a href="/search/hep-ex?searchtype=author&query=Densham%2C+C">C. Densham</a>, <a href="/search/hep-ex?searchtype=author&query=Dracos%2C+M">M. Dracos</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=Martinez%2C+E+F">E. Fernandez Martinez</a>, <a href="/search/hep-ex?searchtype=author&query=Gaudiot%2C+G">G. Gaudiot</a>, <a href="/search/hep-ex?searchtype=author&query=Hall-Wilton%2C+R">R. Hall-Wilton</a>, <a href="/search/hep-ex?searchtype=author&query=Koutchouk%2C+J+-">J. -P. Koutchouk</a>, <a href="/search/hep-ex?searchtype=author&query=Lindroos%2C+M">M. Lindroos</a>, <a href="/search/hep-ex?searchtype=author&query=Matev%2C+R">R. Matev</a>, <a href="/search/hep-ex?searchtype=author&query=McGinnis%2C+D">D. McGinnis</a>, <a href="/search/hep-ex?searchtype=author&query=Mezzetto%2C+M">M. Mezzetto</a>, <a href="/search/hep-ex?searchtype=author&query=Miyamoto%2C+R">R. Miyamoto</a>, <a href="/search/hep-ex?searchtype=author&query=Mosca%2C+L">L. Mosca</a>, <a href="/search/hep-ex?searchtype=author&query=Ohlsson%2C+T">T. Ohlsson</a>, <a href="/search/hep-ex?searchtype=author&query=Ohman%2C+H">H. Ohman</a> , et al. (10 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="1309.7022v3-abstract-short" style="display: inline;"> Very intense neutrino beams and large neutrino detectors will be needed in order to enable the discovery of CP violation in the leptonic sector. We propose to use the proton linac of the European Spallation Source currently under construction in Lund, Sweden to deliver, in parallel with the spallation neutron production, a very intense, cost effective and high performance neutrino beam. The baseli… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1309.7022v3-abstract-full').style.display = 'inline'; document.getElementById('1309.7022v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1309.7022v3-abstract-full" style="display: none;"> Very intense neutrino beams and large neutrino detectors will be needed in order to enable the discovery of CP violation in the leptonic sector. We propose to use the proton linac of the European Spallation Source currently under construction in Lund, Sweden to deliver, in parallel with the spallation neutron production, a very intense, cost effective and high performance neutrino beam. The baseline program for the European Spallation Source linac is that it will be fully operational at 5 MW average power by 2022, producing 2 GeV 2.86 ms long proton pulses at a rate of 14 Hz. Our proposal is to upgrade the linac to 10 MW average power and 28 Hz, producing 14 pulses/s for neutron production and 14 pulses/s for neutrino production. Furthermore, because of the high current required in the pulsed neutrino horn, the length of the pulses used for neutrino production needs to be compressed to a few $渭$s with the aid of an accumulator ring. A long baseline experiment using this Super Beam and a megaton underground Water Cherenkov detector located in existing mines 300-600 km from Lund will make it possible to discover leptonic CP violation at 5 $蟽$ significance level in up to 50% of the leptonic Dirac CP-violating phase range. This experiment could also determine the neutrino mass hierarchy at a significance level of more than 3 $蟽$ if this issue will not already have been settled by other experiments by then. The mass hierarchy performance could be increased by combining the neutrino beam results with those obtained from atmospheric neutrinos detected by the same large volume detector. This detector will also be used to measure the proton lifetime, detect cosmological neutrinos and neutrinos from supernova explosions. Results on the sensitivity to leptonic CP violation and the neutrino mass hierarchy are presented. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1309.7022v3-abstract-full').style.display = 'none'; document.getElementById('1309.7022v3-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, 2013; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 26 September, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2013. </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</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Nuclear Physics B, Volume 885, August 2014, Pages 127-149 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1308.6822">arXiv:1308.6822</a> <span> [<a href="https://arxiv.org/pdf/1308.6822">pdf</a>, <a href="https://arxiv.org/format/1308.6822">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> <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"> nuSTORM - Neutrinos from STORed Muons: Proposal to the Fermilab PAC </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Adey%2C+D">D. Adey</a>, <a href="/search/hep-ex?searchtype=author&query=Agarwalla%2C+S+K">S. K. Agarwalla</a>, <a href="/search/hep-ex?searchtype=author&query=Ankenbrandt%2C+C+M">C. M. Ankenbrandt</a>, <a href="/search/hep-ex?searchtype=author&query=Asfandiyarov%2C+R">R. Asfandiyarov</a>, <a href="/search/hep-ex?searchtype=author&query=Back%2C+J+J">J. J. Back</a>, <a href="/search/hep-ex?searchtype=author&query=Barker%2C+G">G. Barker</a>, <a href="/search/hep-ex?searchtype=author&query=Baussan%2C+E">E. Baussan</a>, <a href="/search/hep-ex?searchtype=author&query=Bayes%2C+R">R. Bayes</a>, <a href="/search/hep-ex?searchtype=author&query=Bhadra%2C+S">S. Bhadra</a>, <a href="/search/hep-ex?searchtype=author&query=Blackmore%2C+V">V. Blackmore</a>, <a href="/search/hep-ex?searchtype=author&query=Blondel%2C+A">A. Blondel</a>, <a href="/search/hep-ex?searchtype=author&query=Bogacz%2C+S+A">S. A. Bogacz</a>, <a href="/search/hep-ex?searchtype=author&query=Booth%2C+C">C. Booth</a>, <a href="/search/hep-ex?searchtype=author&query=Boyd%2C+S+B">S. B. Boyd</a>, <a href="/search/hep-ex?searchtype=author&query=Bravar%2C+A">A. Bravar</a>, <a href="/search/hep-ex?searchtype=author&query=Brice%2C+S+J">S. J. Brice</a>, <a href="/search/hep-ex?searchtype=author&query=Bross%2C+A+D">A. D. Bross</a>, <a href="/search/hep-ex?searchtype=author&query=Cadoux%2C+F">F. Cadoux</a>, <a href="/search/hep-ex?searchtype=author&query=Cease%2C+H">H. Cease</a>, <a href="/search/hep-ex?searchtype=author&query=Cervera%2C+A">A. Cervera</a>, <a href="/search/hep-ex?searchtype=author&query=Cobb%2C+J">J. Cobb</a>, <a href="/search/hep-ex?searchtype=author&query=Colling%2C+D">D. Colling</a>, <a href="/search/hep-ex?searchtype=author&query=Coloma%2C+P">P. Coloma</a>, <a href="/search/hep-ex?searchtype=author&query=Coney%2C+L">L. Coney</a>, <a href="/search/hep-ex?searchtype=author&query=Dobbs%2C+A">A. Dobbs</a> , et al. (88 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="1308.6822v1-abstract-short" style="display: inline;"> The nuSTORM facility has been designed to deliver beams of electron neutrinos and muon neutrinos (and their anti-particles) from the decay of a stored muon beam with a central momentum of 3.8 GeV/c and a momentum acceptance of 10%. The facility is unique in that it will: 1. Allow searches for sterile neutrinos of exquisite sensitivity to be carried out; 2. Serve future long- and short-baseline neu… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1308.6822v1-abstract-full').style.display = 'inline'; document.getElementById('1308.6822v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1308.6822v1-abstract-full" style="display: none;"> The nuSTORM facility has been designed to deliver beams of electron neutrinos and muon neutrinos (and their anti-particles) from the decay of a stored muon beam with a central momentum of 3.8 GeV/c and a momentum acceptance of 10%. The facility is unique in that it will: 1. Allow searches for sterile neutrinos of exquisite sensitivity to be carried out; 2. Serve future long- and short-baseline neutrino-oscillation programs by providing definitive measurements of electron neutrino and muon neutrino scattering cross sections off nuclei with percent-level precision; and 3. Constitutes the crucial first step in the development of muon accelerators as a powerful new technique for particle physics. The document describes the facility in detail and demonstrates its physics capabilities. This document was submitted to the Fermilab Physics Advisory Committee in consideration for Stage I approval. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1308.6822v1-abstract-full').style.display = 'none'; document.getElementById('1308.6822v1-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> 31 July, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2013. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1306.6865">arXiv:1306.6865</a> <span> [<a href="https://arxiv.org/pdf/1306.6865">pdf</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/10.1103/PhysRevSTAB.16.061001">10.1103/PhysRevSTAB.16.061001 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Future large-scale water-Cherenkov detector </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Agostino%2C+L">L. Agostino</a>, <a href="/search/hep-ex?searchtype=author&query=Buizza-Avanzini%2C+M">M. Buizza-Avanzini</a>, <a href="/search/hep-ex?searchtype=author&query=Marafini%2C+M">M. Marafini</a>, <a href="/search/hep-ex?searchtype=author&query=Patzak%2C+T">T. Patzak</a>, <a href="/search/hep-ex?searchtype=author&query=Tonazzo%2C+A">A. Tonazzo</a>, <a href="/search/hep-ex?searchtype=author&query=Dracos%2C+M">M. Dracos</a>, <a href="/search/hep-ex?searchtype=author&query=Vassilopoulos%2C+N">N. Vassilopoulos</a>, <a href="/search/hep-ex?searchtype=author&query=Duchesneau%2C+D">D. Duchesneau</a>, <a href="/search/hep-ex?searchtype=author&query=Mezzetto%2C+M">M. Mezzetto</a>, <a href="/search/hep-ex?searchtype=author&query=Mosca%2C+L">L. Mosca</a> </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="1306.6865v1-abstract-short" style="display: inline;"> MEMPHYS (MEgaton Mass PHYSics) is a proposed large-scale water-Cherenkov experiment to be performed deep underground. It is dedicated to nucleon decay searches and the detection of neutrinos from supernovae, solar, and atmospheric neutrinos, as well as neutrinos from a future beam to measure the CP violating phase in the leptonic sector and the mass hierarchy. This paper provides an overview of th… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1306.6865v1-abstract-full').style.display = 'inline'; document.getElementById('1306.6865v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1306.6865v1-abstract-full" style="display: none;"> MEMPHYS (MEgaton Mass PHYSics) is a proposed large-scale water-Cherenkov experiment to be performed deep underground. It is dedicated to nucleon decay searches and the detection of neutrinos from supernovae, solar, and atmospheric neutrinos, as well as neutrinos from a future beam to measure the CP violating phase in the leptonic sector and the mass hierarchy. This paper provides an overview of the latest studies on the expected performance of MEMPHYS in view of detailed estimates of its physics reach, mainly concerning neutrino beams. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1306.6865v1-abstract-full').style.display = 'none'; document.getElementById('1306.6865v1-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> 28 June, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2013. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. ST Accel. Beams 16, 061001 (2013) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1305.4067">arXiv:1305.4067</a> <span> [<a href="https://arxiv.org/pdf/1305.4067">pdf</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 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/PhysRevSTAB.16.021002">10.1103/PhysRevSTAB.16.021002 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The EUROnu Project </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Edgecock%2C+T+R">T. R. Edgecock</a>, <a href="/search/hep-ex?searchtype=author&query=Caretta%2C+O">O. Caretta</a>, <a href="/search/hep-ex?searchtype=author&query=Davenne%2C+T">T. Davenne</a>, <a href="/search/hep-ex?searchtype=author&query=Densham%2C+C">C. Densham</a>, <a href="/search/hep-ex?searchtype=author&query=Fitton%2C+M">M. Fitton</a>, <a href="/search/hep-ex?searchtype=author&query=Kelliher%2C+D">D. Kelliher</a>, <a href="/search/hep-ex?searchtype=author&query=Loveridge%2C+P">P. Loveridge</a>, <a href="/search/hep-ex?searchtype=author&query=Machida%2C+S">S. Machida</a>, <a href="/search/hep-ex?searchtype=author&query=Prior%2C+C">C. Prior</a>, <a href="/search/hep-ex?searchtype=author&query=Rogers%2C+C">C. Rogers</a>, <a href="/search/hep-ex?searchtype=author&query=Rooney%2C+M">M. Rooney</a>, <a href="/search/hep-ex?searchtype=author&query=Thomason%2C+J">J. Thomason</a>, <a href="/search/hep-ex?searchtype=author&query=Wilcox%2C+D">D. Wilcox</a>, <a href="/search/hep-ex?searchtype=author&query=Wildner%2C+E">E. Wildner</a>, <a href="/search/hep-ex?searchtype=author&query=Efthymiopoulos%2C+I">I. Efthymiopoulos</a>, <a href="/search/hep-ex?searchtype=author&query=Garoby%2C+R">R. Garoby</a>, <a href="/search/hep-ex?searchtype=author&query=Gilardoni%2C+S">S. Gilardoni</a>, <a href="/search/hep-ex?searchtype=author&query=Hansen%2C+C">C. Hansen</a>, <a href="/search/hep-ex?searchtype=author&query=Benedetto%2C+E">E. Benedetto</a>, <a href="/search/hep-ex?searchtype=author&query=Jensen%2C+E">E. Jensen</a>, <a href="/search/hep-ex?searchtype=author&query=Kosmicki%2C+A">A. Kosmicki</a>, <a href="/search/hep-ex?searchtype=author&query=Martini%2C+M">M. Martini</a>, <a href="/search/hep-ex?searchtype=author&query=Osborne%2C+J">J. Osborne</a>, <a href="/search/hep-ex?searchtype=author&query=Prior%2C+G">G. Prior</a>, <a href="/search/hep-ex?searchtype=author&query=Stora%2C+T">T. Stora</a> , et al. (146 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="1305.4067v1-abstract-short" style="display: inline;"> The EUROnu project has studied three possible options for future, high intensity neutrino oscillation facilities in Europe. The first is a Super Beam, in which the neutrinos come from the decay of pions created by bombarding targets with a 4 MW proton beam from the CERN High Power Superconducting Proton Linac. The far detector for this facility is the 500 kt MEMPHYS water Cherenkov, located in the… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1305.4067v1-abstract-full').style.display = 'inline'; document.getElementById('1305.4067v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1305.4067v1-abstract-full" style="display: none;"> The EUROnu project has studied three possible options for future, high intensity neutrino oscillation facilities in Europe. The first is a Super Beam, in which the neutrinos come from the decay of pions created by bombarding targets with a 4 MW proton beam from the CERN High Power Superconducting Proton Linac. The far detector for this facility is the 500 kt MEMPHYS water Cherenkov, located in the Fr茅jus tunnel. The second facility is the Neutrino Factory, in which the neutrinos come from the decay of 渭+ and 渭- beams in a storage ring. The far detector in this case is a 100 kt Magnetised Iron Neutrino Detector at a baseline of 2000 km. The third option is a Beta Beam, in which the neutrinos come from the decay of beta emitting isotopes, in particular 6He and 18Ne, also stored in a ring. The far detector is also the MEMPHYS detector in the Fr茅jus tunnel. EUROnu has undertaken conceptual designs of these facilities and studied the performance of the detectors. Based on this, it has determined the physics reach of each facility, in particular for the measurement of CP violation in the lepton sector, and estimated the cost of construction. These have demonstrated that the best facility to build is the Neutrino Factory. However, if a powerful proton driver is constructed for another purpose or if the MEMPHYS detector is built for astroparticle physics, the Super Beam also becomes very attractive. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1305.4067v1-abstract-full').style.display = 'none'; document.getElementById('1305.4067v1-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, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2013. </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">Results from the Framework Programme 7 project EUROnu, which studied three possible accelerator facilities for future high intensity neutrino oscillation facilities in Europe</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. ST Accel. Beams 16 021002 (2013) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1212.5048">arXiv:1212.5048</a> <span> [<a href="https://arxiv.org/pdf/1212.5048">pdf</a>, <a href="https://arxiv.org/format/1212.5048">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="Accelerator Physics">physics.acc-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"> The use of a high intensity neutrino beam from the ESS proton linac for measurement of neutrino CP violation and mass hierarchy </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Baussan%2C+E">E. Baussan</a>, <a href="/search/hep-ex?searchtype=author&query=Dracos%2C+M">M. Dracos</a>, <a href="/search/hep-ex?searchtype=author&query=Ekelof%2C+T">T. Ekelof</a>, <a href="/search/hep-ex?searchtype=author&query=Martinez%2C+E+F">E. Fernandez Martinez</a>, <a href="/search/hep-ex?searchtype=author&query=Ohman%2C+H">H. Ohman</a>, <a href="/search/hep-ex?searchtype=author&query=Vassilopoulos%2C+N">N. Vassilopoulos</a> </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="1212.5048v2-abstract-short" style="display: inline;"> It is proposed to complement the ESS proton linac with equipment that would enable the production, concurrently with the production of the planned ESS beam used for neutron production, of a 5 MW beam of 10$^{23}$ 2.5 GeV protons per year in microsecond short pulses to produce a neutrino Super Beam, and to install a megaton underground water Cherenkov detector in a mine to detect $谓_e$ appearance i… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1212.5048v2-abstract-full').style.display = 'inline'; document.getElementById('1212.5048v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1212.5048v2-abstract-full" style="display: none;"> It is proposed to complement the ESS proton linac with equipment that would enable the production, concurrently with the production of the planned ESS beam used for neutron production, of a 5 MW beam of 10$^{23}$ 2.5 GeV protons per year in microsecond short pulses to produce a neutrino Super Beam, and to install a megaton underground water Cherenkov detector in a mine to detect $谓_e$ appearance in the produced $谓_渭$ beam. Results are presented of preliminary calculations of the sensitivity to neutrino CP violation and the mass hierarchy as a function of the neutrino baseline. The results indicate that, with 8 years of data taking with an antineutrino beam and 2 years with a neutrino beam and a baseline distance of around 400 km, CP violation could be discovered at 5 $蟽$ (3 $蟽$) confidence level in 48% (73%) of the total CP violation angular range. With the same baseline, the neutrino mass hierarchy could be determined at 3 $蟽$ level over most of the total CP violation angular range. There are several underground mines with a depth of more than 1000 m, which could be used for the creation of the underground site for the neutrino detector and which are situated within or near the optimal baseline range. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1212.5048v2-abstract-full').style.display = 'none'; document.getElementById('1212.5048v2-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, 2013; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 20 December, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2012. </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, 8 figures, submitted to the European Strategy For European Particle 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/1206.6665">arXiv:1206.6665</a> <span> [<a href="https://arxiv.org/pdf/1206.6665">pdf</a>, <a href="https://arxiv.org/format/1206.6665">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/10.1088/1475-7516/2013/01/024">10.1088/1475-7516/2013/01/024 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Study of the performance of a large scale water-Cherenkov detector (MEMPHYS) </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Agostino%2C+L">L. Agostino</a>, <a href="/search/hep-ex?searchtype=author&query=Buizza-Avanzini%2C+M">M. Buizza-Avanzini</a>, <a href="/search/hep-ex?searchtype=author&query=Dracos%2C+M">M. Dracos</a>, <a href="/search/hep-ex?searchtype=author&query=Duchesneau%2C+D">D. Duchesneau</a>, <a href="/search/hep-ex?searchtype=author&query=Marafini%2C+M">M. Marafini</a>, <a href="/search/hep-ex?searchtype=author&query=Mezzetto%2C+M">M. Mezzetto</a>, <a href="/search/hep-ex?searchtype=author&query=Mosca%2C+L">L. Mosca</a>, <a href="/search/hep-ex?searchtype=author&query=Patzak%2C+T">T. Patzak</a>, <a href="/search/hep-ex?searchtype=author&query=Tonazzo%2C+A">A. Tonazzo</a>, <a href="/search/hep-ex?searchtype=author&query=Vassilopoulos%2C+N">N. Vassilopoulos</a> </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="1206.6665v3-abstract-short" style="display: inline;"> MEMPHYS (MEgaton Mass PHYSics) is a proposed large-scale water Cherenkov experiment to be performed deep underground. It is dedicated to nucleon decay searches, neutrinos from supernovae, solar and atmospheric neutrinos, as well as neutrinos from a future Super-Beam or Beta-Beam to measure the CP violating phase in the leptonic sector and the mass hierarchy. A full simulation of the detector has b… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1206.6665v3-abstract-full').style.display = 'inline'; document.getElementById('1206.6665v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1206.6665v3-abstract-full" style="display: none;"> MEMPHYS (MEgaton Mass PHYSics) is a proposed large-scale water Cherenkov experiment to be performed deep underground. It is dedicated to nucleon decay searches, neutrinos from supernovae, solar and atmospheric neutrinos, as well as neutrinos from a future Super-Beam or Beta-Beam to measure the CP violating phase in the leptonic sector and the mass hierarchy. A full simulation of the detector has been performed to evaluate its performance for beam physics. The results are given in terms of "Migration Matrices" of reconstructed versus true neutrino energy, taking into account all the experimental effects. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1206.6665v3-abstract-full').style.display = 'none'; document.getElementById('1206.6665v3-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 January, 2013; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 28 June, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2012. </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">Updated after JCAP's referee's comments</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> JCAP 1301 (2013) 024 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1110.1585">arXiv:1110.1585</a> <span> [<a href="https://arxiv.org/pdf/1110.1585">pdf</a>, <a href="https://arxiv.org/format/1110.1585">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> <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"> Target, magnetic horn and safety studies for the CERN to Frejus Super Beam </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Baussan%2C+E">E. Baussan</a>, <a href="/search/hep-ex?searchtype=author&query=Dracos%2C+M">M. Dracos</a>, <a href="/search/hep-ex?searchtype=author&query=Gaudiot%2C+G">G. Gaudiot</a>, <a href="/search/hep-ex?searchtype=author&query=Lepers%2C+B">B. Lepers</a>, <a href="/search/hep-ex?searchtype=author&query=Osswald%2C+F">F. Osswald</a>, <a href="/search/hep-ex?searchtype=author&query=Poussot%2C+P">P. Poussot</a>, <a href="/search/hep-ex?searchtype=author&query=Vassilopoulos%2C+N">N. Vassilopoulos</a>, <a href="/search/hep-ex?searchtype=author&query=Wurtz%2C+J">J. Wurtz</a>, <a href="/search/hep-ex?searchtype=author&query=group%2C+V+Z+f+E+W">V. Zeter for EUROnu WP2 group</a> </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="1110.1585v1-abstract-short" style="display: inline;"> In the framework of the EUROnu design study, a new design for the CERN to Frejus neutrino beam based on the SPL is under development by the WP2 group. The main challenge of this project lies with the design of a multi-MW neutrino beam facility. The horn and the decay tunnel parameters have been optimized to maximize any potential discovery. The target design, thermo-mechanical analysis, and power… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1110.1585v1-abstract-full').style.display = 'inline'; document.getElementById('1110.1585v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1110.1585v1-abstract-full" style="display: none;"> In the framework of the EUROnu design study, a new design for the CERN to Frejus neutrino beam based on the SPL is under development by the WP2 group. The main challenge of this project lies with the design of a multi-MW neutrino beam facility. The horn and the decay tunnel parameters have been optimized to maximize any potential discovery. The target design, thermo-mechanical analysis, and power supply design of the horn system as well as any safety issues are being studied to meet the MW power requirements for the proton-beam. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1110.1585v1-abstract-full').style.display = 'none'; document.getElementById('1110.1585v1-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 October, 2011; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2011. </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 NUFACT 11, XIIIth International Workshop on Neutrino Factories, Super Beams and Beta beams, 1-6 August 2011, CERN and University of Geneva (Submitted to IOP conference series), 4 pages, 6 figures</span> </p> </li> </ol> <div class="is-hidden-tablet">  <span class="help" style="display: inline-block;"><a href="https://github.com/arXiv/arxiv-search/releases">Search v0.5.6 released 2020-02-24</a>  </span> </div> </div> </main> <footer> <div class="columns is-desktop" role="navigation" aria-label="Secondary">  <div class="column"> <div class="columns"> <div class="column"> <ul class="nav-spaced"> <li><a href="https://info.arxiv.org/about">About</a></li> <li><a href="https://info.arxiv.org/help">Help</a></li> </ul> </div> <div class="column"> <ul class="nav-spaced"> <li> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><title>contact arXiv</title><desc>Click here to contact arXiv</desc><path d="M502.3 190.8c3.9-3.1 9.7-.2 9.7 4.7V400c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V195.6c0-5 5.7-7.8 9.7-4.7 22.4 17.4 52.1 39.5 154.1 113.6 21.1 15.4 56.7 47.8 92.2 47.6 35.7.3 72-32.8 92.3-47.6 102-74.1 131.6-96.3 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