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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/2502.06637">arXiv:2502.06637</a> <span> [<a href="https://arxiv.org/pdf/2502.06637">pdf</a>, <a href="https://arxiv.org/format/2502.06637">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> <p class="title is-5 mathjax"> Neutrino Interaction Vertex Reconstruction in DUNE with Pandora Deep Learning </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=DUNE+Collaboration"> DUNE Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abud%2C+A+A">A. Abed Abud</a>, <a href="/search/hep-ex?searchtype=author&query=Acciarri%2C+R">R. Acciarri</a>, <a href="/search/hep-ex?searchtype=author&query=Acero%2C+M+A">M. A. Acero</a>, <a href="/search/hep-ex?searchtype=author&query=Adames%2C+M+R">M. R. Adames</a>, <a href="/search/hep-ex?searchtype=author&query=Adamov%2C+G">G. Adamov</a>, <a href="/search/hep-ex?searchtype=author&query=Adamowski%2C+M">M. Adamowski</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+D">D. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Adinolfi%2C+M">M. Adinolfi</a>, <a href="/search/hep-ex?searchtype=author&query=Adriano%2C+C">C. Adriano</a>, <a href="/search/hep-ex?searchtype=author&query=Aduszkiewicz%2C+A">A. Aduszkiewicz</a>, <a href="/search/hep-ex?searchtype=author&query=Aguilar%2C+J">J. Aguilar</a>, <a href="/search/hep-ex?searchtype=author&query=Akbar%2C+F">F. Akbar</a>, <a href="/search/hep-ex?searchtype=author&query=Alemanno%2C+F">F. Alemanno</a>, <a href="/search/hep-ex?searchtype=author&query=Alex%2C+N+S">N. S. Alex</a>, <a href="/search/hep-ex?searchtype=author&query=Allison%2C+K">K. Allison</a>, <a href="/search/hep-ex?searchtype=author&query=Alrashed%2C+M">M. Alrashed</a>, <a href="/search/hep-ex?searchtype=author&query=Alton%2C+A">A. Alton</a>, <a href="/search/hep-ex?searchtype=author&query=Alvarez%2C+R">R. Alvarez</a>, <a href="/search/hep-ex?searchtype=author&query=Alves%2C+T">T. Alves</a>, <a href="/search/hep-ex?searchtype=author&query=Aman%2C+A">A. Aman</a>, <a href="/search/hep-ex?searchtype=author&query=Amar%2C+H">H. Amar</a>, <a href="/search/hep-ex?searchtype=author&query=Amedo%2C+P">P. Amedo</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+J">J. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Andreopoulos%2C+C">C. Andreopoulos</a> , et al. (1313 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="2502.06637v1-abstract-short" style="display: inline;"> The Pandora Software Development Kit and algorithm libraries perform reconstruction of neutrino interactions in liquid argon time projection chamber detectors. Pandora is the primary event reconstruction software used at the Deep Underground Neutrino Experiment, which will operate four large-scale liquid argon time projection chambers at the far detector site in South Dakota, producing high-resolu… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2502.06637v1-abstract-full').style.display = 'inline'; document.getElementById('2502.06637v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2502.06637v1-abstract-full" style="display: none;"> The Pandora Software Development Kit and algorithm libraries perform reconstruction of neutrino interactions in liquid argon time projection chamber detectors. Pandora is the primary event reconstruction software used at the Deep Underground Neutrino Experiment, which will operate four large-scale liquid argon time projection chambers at the far detector site in South Dakota, producing high-resolution images of charged particles emerging from neutrino interactions. While these high-resolution images provide excellent opportunities for physics, the complex topologies require sophisticated pattern recognition capabilities to interpret signals from the detectors as physically meaningful objects that form the inputs to physics analyses. A critical component is the identification of the neutrino interaction vertex. Subsequent reconstruction algorithms use this location to identify the individual primary particles and ensure they each result in a separate reconstructed particle. A new vertex-finding procedure described in this article integrates a U-ResNet neural network performing hit-level classification into the multi-algorithm approach used by Pandora to identify the neutrino interaction vertex. The machine learning solution is seamlessly integrated into a chain of pattern-recognition algorithms. The technique substantially outperforms the previous BDT-based solution, with a more than 20\% increase in the efficiency of sub-1\,cm vertex reconstruction across all neutrino flavours. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2502.06637v1-abstract-full').style.display = 'none'; document.getElementById('2502.06637v1-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 February, 2025; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2025. </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">32 pages, 18 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-25-0037-LBNF </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2501.05206">arXiv:2501.05206</a> <span> [<a href="https://arxiv.org/pdf/2501.05206">pdf</a>, <a href="https://arxiv.org/format/2501.05206">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> <p class="title is-5 mathjax"> First observation of reactor antineutrinos by coherent scattering </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Ackermann%2C+N">N. Ackermann</a>, <a href="/search/hep-ex?searchtype=author&query=Bonet%2C+H">H. Bonet</a>, <a href="/search/hep-ex?searchtype=author&query=Bonhomme%2C+A">A. Bonhomme</a>, <a href="/search/hep-ex?searchtype=author&query=Buck%2C+C">C. Buck</a>, <a href="/search/hep-ex?searchtype=author&query=F%C3%BClber%2C+K">K. F眉lber</a>, <a href="/search/hep-ex?searchtype=author&query=Hakenm%C3%BCller%2C+J">J. Hakenm眉ller</a>, <a href="/search/hep-ex?searchtype=author&query=Hempfling%2C+J">J. Hempfling</a>, <a href="/search/hep-ex?searchtype=author&query=Heusser%2C+G">G. Heusser</a>, <a href="/search/hep-ex?searchtype=author&query=Lindner%2C+M">M. Lindner</a>, <a href="/search/hep-ex?searchtype=author&query=Maneschg%2C+W">W. Maneschg</a>, <a href="/search/hep-ex?searchtype=author&query=Ni%2C+K">K. Ni</a>, <a href="/search/hep-ex?searchtype=author&query=Rank%2C+M">M. Rank</a>, <a href="/search/hep-ex?searchtype=author&query=Rink%2C+T">T. Rink</a>, <a href="/search/hep-ex?searchtype=author&query=Garc%C4%B1a%2C+E+S">E. S谩nchez Garc谋a</a>, <a href="/search/hep-ex?searchtype=author&query=Stalder%2C+I">I. Stalder</a>, <a href="/search/hep-ex?searchtype=author&query=Strecker%2C+H">H. Strecker</a>, <a href="/search/hep-ex?searchtype=author&query=Wink%2C+R">R. Wink</a>, <a href="/search/hep-ex?searchtype=author&query=Woenckhaus%2C+J">J. Woenckhaus</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="2501.05206v2-abstract-short" style="display: inline;"> Neutrinos are elementary particles that interact only very weakly with matter. Neutrino experiments are therefore usually big, with masses on the multi-ton scale. The thresholdless interaction of coherent elastic scattering of neutrinos on atomic nuclei leads to drastically enhanced interaction rates, that allows for much smaller detectors. The study of this process gives insights into physics bey… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2501.05206v2-abstract-full').style.display = 'inline'; document.getElementById('2501.05206v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2501.05206v2-abstract-full" style="display: none;"> Neutrinos are elementary particles that interact only very weakly with matter. Neutrino experiments are therefore usually big, with masses on the multi-ton scale. The thresholdless interaction of coherent elastic scattering of neutrinos on atomic nuclei leads to drastically enhanced interaction rates, that allows for much smaller detectors. The study of this process gives insights into physics beyond the Standard Model of particle physics. The CONUS+ experiment was designed to first detect elastic neutrino-nucleus scattering in the fully coherent regime with low-energy neutrinos produced in nuclear reactors. For this purpose, semiconductor detectors based on high-purity germanium crystals with extremely low energy threshold of 160$-$180 eV were developed. Here we show the first observation of a neutrino signal with a statistical significance of 3.7 sigma from the CONUS+ experiment, operated at the nuclear power plant in Leibstadt, Switzerland. In 119 days of reactor operation (395$\pm$106) neutrinos were measured compared to a predicted number from calculations assuming standard model physics of (347$\pm$59) events. The good agreement between data and prediction constrains many parameters in various theoretical models. With increased precision, there is potential for fundamental discoveries in the future. The CONUS+ results in combination with other measurements of this interaction channel might therefore mark a starting point for a new era in neutrino physics. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2501.05206v2-abstract-full').style.display = 'none'; document.getElementById('2501.05206v2-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> 5 February, 2025; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 9 January, 2025; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2025. </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">26 pages, 9 figures, 5 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/2412.13707">arXiv:2412.13707</a> <span> [<a href="https://arxiv.org/pdf/2412.13707">pdf</a>, <a href="https://arxiv.org/format/2412.13707">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"> Background characterization of the CONUS+ experimental location </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=CONUS+Collaboration"> CONUS Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Garcia%2C+E+S">E. Sanchez Garcia</a>, <a href="/search/hep-ex?searchtype=author&query=Ackermann%2C+N">N. Ackermann</a>, <a href="/search/hep-ex?searchtype=author&query=Armbruster%2C+S">S. Armbruster</a>, <a href="/search/hep-ex?searchtype=author&query=Bonet%2C+H">H. Bonet</a>, <a href="/search/hep-ex?searchtype=author&query=Buck%2C+C">C. Buck</a>, <a href="/search/hep-ex?searchtype=author&query=Fulber%2C+K">K. Fulber</a>, <a href="/search/hep-ex?searchtype=author&query=Hakenmuller%2C+J">J. Hakenmuller</a>, <a href="/search/hep-ex?searchtype=author&query=Hempfling%2C+J">J. Hempfling</a>, <a href="/search/hep-ex?searchtype=author&query=Heusser%2C+G">G. Heusser</a>, <a href="/search/hep-ex?searchtype=author&query=Hohmann%2C+E">E. Hohmann</a>, <a href="/search/hep-ex?searchtype=author&query=Lindner%2C+M">M. Lindner</a>, <a href="/search/hep-ex?searchtype=author&query=Maneschg%2C+W">W. Maneschg</a>, <a href="/search/hep-ex?searchtype=author&query=Ni%2C+K">K. Ni</a>, <a href="/search/hep-ex?searchtype=author&query=Rank%2C+M">M. Rank</a>, <a href="/search/hep-ex?searchtype=author&query=Rink%2C+T">T. Rink</a>, <a href="/search/hep-ex?searchtype=author&query=Stalder%2C+I">I. Stalder</a>, <a href="/search/hep-ex?searchtype=author&query=Strecker%2C+H">H. Strecker</a>, <a href="/search/hep-ex?searchtype=author&query=Wink%2C+R">R. Wink</a>, <a href="/search/hep-ex?searchtype=author&query=Woenckhaus%2C+J">J. Woenckhaus</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="2412.13707v1-abstract-short" style="display: inline;"> CONUS+ is an experiment aiming at detecting coherent elastic neutrino-nucleus scattering (CE$谓$NS) of reactor antineutrinos on germanium nuclei in the fully coherent regime, continuing the CONUS physics program conducted at the Brokdorf nuclear power plant (KBR), Germany. The CONUS+ experiment is installed in the Leibstadt nuclear power plant (KKL), Switzerland, at a distance of 20.7 m from the 3.… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2412.13707v1-abstract-full').style.display = 'inline'; document.getElementById('2412.13707v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2412.13707v1-abstract-full" style="display: none;"> CONUS+ is an experiment aiming at detecting coherent elastic neutrino-nucleus scattering (CE$谓$NS) of reactor antineutrinos on germanium nuclei in the fully coherent regime, continuing the CONUS physics program conducted at the Brokdorf nuclear power plant (KBR), Germany. The CONUS+ experiment is installed in the Leibstadt nuclear power plant (KKL), Switzerland, at a distance of 20.7 m from the 3.6 GW reactor core, where the antineutrino flux is $1.5\cdot 10^{13}$~s$^{-1}$cm$^{-2}$. The CE$谓$NS signature will be measured with four point-contact high-purity low energy threshold germanium (HPGe) detectors. A good understanding of the background is crucial, especially events correlated with the reactor thermal power are troublesome. A large background characterization campaign was conducted during reactor on and off times to find the best location for the CONUS+ setup. On-site measurements revealed a correlated, highly thermalized neutron field with a maximum fluence rate of $(2.3\pm0.1)\cdot 10^{4}$~neutrons~d$^{-1}$cm$^{-2}$ during reactor operation. The $纬$-ray background was studied with a HPGe detector without shield. The muon flux was examined using a liquid scintillator detector measuring (107$\pm$3)~muons~s$^{-1}$m$^{-2}$, which corresponds to an average overburden of 7.4~m of water equivalent. The new background conditions in CONUS+ are compared to the previous CONUS ones, showing a 30 times higher flux of neutrons, but a 26 times lower component of reactor thermal power correlated $纬$-rays over 2.7 MeV. The lower CONUS+ overburden increases the number of muon-induced neutrons by 2.3 times and the flux of cosmogenic neutrons. Finally, all the measured rates are discussed in the context of the CONUS+ background, together with the CONUS+ modifications performed to reduce the impact of the new background conditions at KKL. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2412.13707v1-abstract-full').style.display = 'none'; document.getElementById('2412.13707v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 18 December, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 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">19 pages, 15 figures, 6 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/2409.18288">arXiv:2409.18288</a> <span> [<a href="https://arxiv.org/pdf/2409.18288">pdf</a>, <a href="https://arxiv.org/format/2409.18288">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"> The track-length extension fitting algorithm for energy measurement of interacting particles in liquid argon TPCs and its performance with ProtoDUNE-SP data </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=DUNE+Collaboration"> DUNE Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abud%2C+A+A">A. Abed Abud</a>, <a href="/search/hep-ex?searchtype=author&query=Abi%2C+B">B. Abi</a>, <a href="/search/hep-ex?searchtype=author&query=Acciarri%2C+R">R. Acciarri</a>, <a href="/search/hep-ex?searchtype=author&query=Acero%2C+M+A">M. A. Acero</a>, <a href="/search/hep-ex?searchtype=author&query=Adames%2C+M+R">M. R. Adames</a>, <a href="/search/hep-ex?searchtype=author&query=Adamov%2C+G">G. Adamov</a>, <a href="/search/hep-ex?searchtype=author&query=Adamowski%2C+M">M. Adamowski</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+D">D. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Adinolfi%2C+M">M. Adinolfi</a>, <a href="/search/hep-ex?searchtype=author&query=Adriano%2C+C">C. Adriano</a>, <a href="/search/hep-ex?searchtype=author&query=Aduszkiewicz%2C+A">A. Aduszkiewicz</a>, <a href="/search/hep-ex?searchtype=author&query=Aguilar%2C+J">J. Aguilar</a>, <a href="/search/hep-ex?searchtype=author&query=Akbar%2C+F">F. Akbar</a>, <a href="/search/hep-ex?searchtype=author&query=Alex%2C+N+S">N. S. Alex</a>, <a href="/search/hep-ex?searchtype=author&query=Allison%2C+K">K. Allison</a>, <a href="/search/hep-ex?searchtype=author&query=Monsalve%2C+S+A">S. Alonso Monsalve</a>, <a href="/search/hep-ex?searchtype=author&query=Alrashed%2C+M">M. Alrashed</a>, <a href="/search/hep-ex?searchtype=author&query=Alton%2C+A">A. Alton</a>, <a href="/search/hep-ex?searchtype=author&query=Alvarez%2C+R">R. Alvarez</a>, <a href="/search/hep-ex?searchtype=author&query=Alves%2C+T">T. Alves</a>, <a href="/search/hep-ex?searchtype=author&query=Amar%2C+H">H. Amar</a>, <a href="/search/hep-ex?searchtype=author&query=Amedo%2C+P">P. Amedo</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+J">J. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Andreopoulos%2C+C">C. Andreopoulos</a> , et al. (1348 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="2409.18288v3-abstract-short" style="display: inline;"> This paper introduces a novel track-length extension fitting algorithm for measuring the kinetic energies of inelastically interacting particles in liquid argon time projection chambers (LArTPCs). The algorithm finds the most probable offset in track length for a track-like object by comparing the measured ionization density as a function of position with a theoretical prediction of the energy los… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2409.18288v3-abstract-full').style.display = 'inline'; document.getElementById('2409.18288v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2409.18288v3-abstract-full" style="display: none;"> This paper introduces a novel track-length extension fitting algorithm for measuring the kinetic energies of inelastically interacting particles in liquid argon time projection chambers (LArTPCs). The algorithm finds the most probable offset in track length for a track-like object by comparing the measured ionization density as a function of position with a theoretical prediction of the energy loss as a function of the energy, including models of electron recombination and detector response. The algorithm can be used to measure the energies of particles that interact before they stop, such as charged pions that are absorbed by argon nuclei. The algorithm's energy measurement resolutions and fractional biases are presented as functions of particle kinetic energy and number of track hits using samples of stopping secondary charged pions in data collected by the ProtoDUNE-SP detector, and also in a detailed simulation. Additional studies describe the impact of the dE/dx model on energy measurement performance. The method described in this paper to characterize the energy measurement performance can be repeated in any LArTPC experiment using stopping secondary charged pions. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2409.18288v3-abstract-full').style.display = 'none'; document.getElementById('2409.18288v3-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 December, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 26 September, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-24-0561-LBNF-PPD, CERN-EP-2024-256 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2408.12725">arXiv:2408.12725</a> <span> [<a href="https://arxiv.org/pdf/2408.12725">pdf</a>, <a href="https://arxiv.org/format/2408.12725">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"> DUNE Phase II: Scientific Opportunities, Detector Concepts, Technological Solutions </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=DUNE+Collaboration"> DUNE Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abud%2C+A+A">A. Abed Abud</a>, <a href="/search/hep-ex?searchtype=author&query=Abi%2C+B">B. Abi</a>, <a href="/search/hep-ex?searchtype=author&query=Acciarri%2C+R">R. Acciarri</a>, <a href="/search/hep-ex?searchtype=author&query=Acero%2C+M+A">M. A. Acero</a>, <a href="/search/hep-ex?searchtype=author&query=Adames%2C+M+R">M. R. Adames</a>, <a href="/search/hep-ex?searchtype=author&query=Adamov%2C+G">G. Adamov</a>, <a href="/search/hep-ex?searchtype=author&query=Adamowski%2C+M">M. Adamowski</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+D">D. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Adinolfi%2C+M">M. Adinolfi</a>, <a href="/search/hep-ex?searchtype=author&query=Adriano%2C+C">C. Adriano</a>, <a href="/search/hep-ex?searchtype=author&query=Aduszkiewicz%2C+A">A. Aduszkiewicz</a>, <a href="/search/hep-ex?searchtype=author&query=Aguilar%2C+J">J. Aguilar</a>, <a href="/search/hep-ex?searchtype=author&query=Akbar%2C+F">F. Akbar</a>, <a href="/search/hep-ex?searchtype=author&query=Allison%2C+K">K. Allison</a>, <a href="/search/hep-ex?searchtype=author&query=Monsalve%2C+S+A">S. Alonso Monsalve</a>, <a href="/search/hep-ex?searchtype=author&query=Alrashed%2C+M">M. Alrashed</a>, <a href="/search/hep-ex?searchtype=author&query=Alton%2C+A">A. Alton</a>, <a href="/search/hep-ex?searchtype=author&query=Alvarez%2C+R">R. Alvarez</a>, <a href="/search/hep-ex?searchtype=author&query=Alves%2C+T">T. Alves</a>, <a href="/search/hep-ex?searchtype=author&query=Amar%2C+H">H. Amar</a>, <a href="/search/hep-ex?searchtype=author&query=Amedo%2C+P">P. Amedo</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+J">J. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Andreopoulos%2C+C">C. Andreopoulos</a>, <a href="/search/hep-ex?searchtype=author&query=Andreotti%2C+M">M. Andreotti</a> , et al. (1347 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="2408.12725v1-abstract-short" style="display: inline;"> The international collaboration designing and constructing the Deep Underground Neutrino Experiment (DUNE) at the Long-Baseline Neutrino Facility (LBNF) has developed a two-phase strategy toward the implementation of this leading-edge, large-scale science project. The 2023 report of the US Particle Physics Project Prioritization Panel (P5) reaffirmed this vision and strongly endorsed DUNE Phase I… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2408.12725v1-abstract-full').style.display = 'inline'; document.getElementById('2408.12725v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2408.12725v1-abstract-full" style="display: none;"> The international collaboration designing and constructing the Deep Underground Neutrino Experiment (DUNE) at the Long-Baseline Neutrino Facility (LBNF) has developed a two-phase strategy toward the implementation of this leading-edge, large-scale science project. The 2023 report of the US Particle Physics Project Prioritization Panel (P5) reaffirmed this vision and strongly endorsed DUNE Phase I and Phase II, as did the European Strategy for Particle Physics. While the construction of the DUNE Phase I is well underway, this White Paper focuses on DUNE Phase II planning. DUNE Phase-II consists of a third and fourth far detector (FD) module, an upgraded near detector complex, and an enhanced 2.1 MW beam. The fourth FD module is conceived as a "Module of Opportunity", aimed at expanding the physics opportunities, in addition to supporting the core DUNE science program, with more advanced technologies. This document highlights the increased science opportunities offered by the DUNE Phase II near and far detectors, including long-baseline neutrino oscillation physics, neutrino astrophysics, and physics beyond the standard model. It describes the DUNE Phase II near and far detector technologies and detector design concepts that are currently under consideration. A summary of key R&D goals and prototyping phases needed to realize the Phase II detector technical designs is also provided. DUNE's Phase II detectors, along with the increased beam power, will complete the full scope of DUNE, enabling a multi-decadal program of groundbreaking science with neutrinos. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2408.12725v1-abstract-full').style.display = 'none'; document.getElementById('2408.12725v1-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> 22 August, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-TM-2833-LBNF </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2408.00582">arXiv:2408.00582</a> <span> [<a href="https://arxiv.org/pdf/2408.00582">pdf</a>, <a href="https://arxiv.org/format/2408.00582">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.110.092011">10.1103/PhysRevD.110.092011 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> First Measurement of the Total Inelastic Cross-Section of Positively-Charged Kaons on Argon at Energies Between 5.0 and 7.5 GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=DUNE+Collaboration"> DUNE Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abud%2C+A+A">A. Abed Abud</a>, <a href="/search/hep-ex?searchtype=author&query=Abi%2C+B">B. Abi</a>, <a href="/search/hep-ex?searchtype=author&query=Acciarri%2C+R">R. Acciarri</a>, <a href="/search/hep-ex?searchtype=author&query=Acero%2C+M+A">M. A. Acero</a>, <a href="/search/hep-ex?searchtype=author&query=Adames%2C+M+R">M. R. Adames</a>, <a href="/search/hep-ex?searchtype=author&query=Adamov%2C+G">G. Adamov</a>, <a href="/search/hep-ex?searchtype=author&query=Adamowski%2C+M">M. Adamowski</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+D">D. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Adinolfi%2C+M">M. Adinolfi</a>, <a href="/search/hep-ex?searchtype=author&query=Adriano%2C+C">C. Adriano</a>, <a href="/search/hep-ex?searchtype=author&query=Aduszkiewicz%2C+A">A. Aduszkiewicz</a>, <a href="/search/hep-ex?searchtype=author&query=Aguilar%2C+J">J. Aguilar</a>, <a href="/search/hep-ex?searchtype=author&query=Akbar%2C+F">F. Akbar</a>, <a href="/search/hep-ex?searchtype=author&query=Allison%2C+K">K. Allison</a>, <a href="/search/hep-ex?searchtype=author&query=Monsalve%2C+S+A">S. Alonso Monsalve</a>, <a href="/search/hep-ex?searchtype=author&query=Alrashed%2C+M">M. Alrashed</a>, <a href="/search/hep-ex?searchtype=author&query=Alton%2C+A">A. Alton</a>, <a href="/search/hep-ex?searchtype=author&query=Alvarez%2C+R">R. Alvarez</a>, <a href="/search/hep-ex?searchtype=author&query=Alves%2C+T">T. Alves</a>, <a href="/search/hep-ex?searchtype=author&query=Amar%2C+H">H. Amar</a>, <a href="/search/hep-ex?searchtype=author&query=Amedo%2C+P">P. Amedo</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+J">J. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Andreopoulos%2C+C">C. Andreopoulos</a>, <a href="/search/hep-ex?searchtype=author&query=Andreotti%2C+M">M. Andreotti</a> , et al. (1341 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="2408.00582v1-abstract-short" style="display: inline;"> ProtoDUNE Single-Phase (ProtoDUNE-SP) is a 770-ton liquid argon time projection chamber that operated in a hadron test beam at the CERN Neutrino Platform in 2018. We present a measurement of the total inelastic cross section of charged kaons on argon as a function of kaon energy using 6 and 7 GeV/$c$ beam momentum settings. The flux-weighted average of the extracted inelastic cross section at each… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2408.00582v1-abstract-full').style.display = 'inline'; document.getElementById('2408.00582v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2408.00582v1-abstract-full" style="display: none;"> ProtoDUNE Single-Phase (ProtoDUNE-SP) is a 770-ton liquid argon time projection chamber that operated in a hadron test beam at the CERN Neutrino Platform in 2018. We present a measurement of the total inelastic cross section of charged kaons on argon as a function of kaon energy using 6 and 7 GeV/$c$ beam momentum settings. The flux-weighted average of the extracted inelastic cross section at each beam momentum setting was measured to be 380$\pm$26 mbarns for the 6 GeV/$c$ setting and 379$\pm$35 mbarns for the 7 GeV/$c$ setting. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2408.00582v1-abstract-full').style.display = 'none'; document.getElementById('2408.00582v1-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 August, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> CERN-EP-2024-211, FERMILAB-PUB-24-0216-V </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 110, (2024) 092011 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2407.11912">arXiv:2407.11912</a> <span> [<a href="https://arxiv.org/pdf/2407.11912">pdf</a>, <a href="https://arxiv.org/format/2407.11912">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"> The CONUS+ experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=The+CONUS+Collaboration"> The CONUS Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Ackermann%2C+N">N. Ackermann</a>, <a href="/search/hep-ex?searchtype=author&query=Armbruster%2C+S">S. Armbruster</a>, <a href="/search/hep-ex?searchtype=author&query=Bonet%2C+H">H. Bonet</a>, <a href="/search/hep-ex?searchtype=author&query=Buck%2C+C">C. Buck</a>, <a href="/search/hep-ex?searchtype=author&query=Fulber%2C+K">K. Fulber</a>, <a href="/search/hep-ex?searchtype=author&query=Hakenmuller%2C+J">J. Hakenmuller</a>, <a href="/search/hep-ex?searchtype=author&query=Hempfling%2C+J">J. Hempfling</a>, <a href="/search/hep-ex?searchtype=author&query=Heusser%2C+G">G. Heusser</a>, <a href="/search/hep-ex?searchtype=author&query=Lindner%2C+M">M. Lindner</a>, <a href="/search/hep-ex?searchtype=author&query=Maneschg%2C+W">W. Maneschg</a>, <a href="/search/hep-ex?searchtype=author&query=Ni%2C+K">K. Ni</a>, <a href="/search/hep-ex?searchtype=author&query=Rank%2C+M">M. Rank</a>, <a href="/search/hep-ex?searchtype=author&query=Rink%2C+T">T. Rink</a>, <a href="/search/hep-ex?searchtype=author&query=Garcia%2C+E+S">E. Sanchez Garcia</a>, <a href="/search/hep-ex?searchtype=author&query=Stalder%2C+I">I. Stalder</a>, <a href="/search/hep-ex?searchtype=author&query=Strecker%2C+H">H. Strecker</a>, <a href="/search/hep-ex?searchtype=author&query=Wink%2C+R">R. Wink</a>, <a href="/search/hep-ex?searchtype=author&query=Woenckhaus%2C+J">J. Woenckhaus</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="2407.11912v2-abstract-short" style="display: inline;"> The CONUS+ experiment aims to detect coherent elastic neutrino-nucleus scattering (CEvNS) of reactor antineutrinos on germanium nuclei in the fully coherent regime, continuing on this way the CONUS physics program started at the Brokdorf nuclear power plant, Germany. The CONUS+ setup is installed in the nuclear power plant in Leibstadt, Switzerland, at a distance of 20.7 m from the 3.6 GW thermal… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2407.11912v2-abstract-full').style.display = 'inline'; document.getElementById('2407.11912v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2407.11912v2-abstract-full" style="display: none;"> The CONUS+ experiment aims to detect coherent elastic neutrino-nucleus scattering (CEvNS) of reactor antineutrinos on germanium nuclei in the fully coherent regime, continuing on this way the CONUS physics program started at the Brokdorf nuclear power plant, Germany. The CONUS+ setup is installed in the nuclear power plant in Leibstadt, Switzerland, at a distance of 20.7 m from the 3.6 GW thermal power reactor core. The CEvNS signature will be measured with the same four point-contact high-purity germanium (HPGe) detectors produced for the former experiment, however refurbished and with optimized low energy thresholds. To suppress the background in the CONUS+ detectors, the passive and active layers of the original CONUS shield were modified such to fit better to the significantly changed background conditions at the new experimental location. New data acquisition and monitoring systems were developed. A direct network connection between the experiment and the Max-Planck-Institut fur Kernphysik (MPIK) makes it possible to control and monitor data acquisition in real time. The impact of all these modifications is discussed with particular emphasis on the resulting CEvNS signal prediction for the first data collection phase of CONUS+. Prospects of the planned upgrade in a second phase integrating new larger HPGe detectors are also discussed. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2407.11912v2-abstract-full').style.display = 'none'; document.getElementById('2407.11912v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 19 December, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 16 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. 12 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/2407.10339">arXiv:2407.10339</a> <span> [<a href="https://arxiv.org/pdf/2407.10339">pdf</a>, <a href="https://arxiv.org/format/2407.10339">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Astrophysical Phenomena">astro-ph.HE</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Methods for Astrophysics">astro-ph.IM</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Solar and Stellar Astrophysics">astro-ph.SR</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-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"> Supernova Pointing Capabilities of DUNE </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=DUNE+Collaboration"> DUNE Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abud%2C+A+A">A. Abed Abud</a>, <a href="/search/hep-ex?searchtype=author&query=Abi%2C+B">B. Abi</a>, <a href="/search/hep-ex?searchtype=author&query=Acciarri%2C+R">R. Acciarri</a>, <a href="/search/hep-ex?searchtype=author&query=Acero%2C+M+A">M. A. Acero</a>, <a href="/search/hep-ex?searchtype=author&query=Adames%2C+M+R">M. R. Adames</a>, <a href="/search/hep-ex?searchtype=author&query=Adamov%2C+G">G. Adamov</a>, <a href="/search/hep-ex?searchtype=author&query=Adamowski%2C+M">M. Adamowski</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+D">D. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Adinolfi%2C+M">M. Adinolfi</a>, <a href="/search/hep-ex?searchtype=author&query=Adriano%2C+C">C. Adriano</a>, <a href="/search/hep-ex?searchtype=author&query=Aduszkiewicz%2C+A">A. Aduszkiewicz</a>, <a href="/search/hep-ex?searchtype=author&query=Aguilar%2C+J">J. Aguilar</a>, <a href="/search/hep-ex?searchtype=author&query=Aimard%2C+B">B. Aimard</a>, <a href="/search/hep-ex?searchtype=author&query=Akbar%2C+F">F. Akbar</a>, <a href="/search/hep-ex?searchtype=author&query=Allison%2C+K">K. Allison</a>, <a href="/search/hep-ex?searchtype=author&query=Monsalve%2C+S+A">S. Alonso Monsalve</a>, <a href="/search/hep-ex?searchtype=author&query=Alrashed%2C+M">M. Alrashed</a>, <a href="/search/hep-ex?searchtype=author&query=Alton%2C+A">A. Alton</a>, <a href="/search/hep-ex?searchtype=author&query=Alvarez%2C+R">R. Alvarez</a>, <a href="/search/hep-ex?searchtype=author&query=Alves%2C+T">T. Alves</a>, <a href="/search/hep-ex?searchtype=author&query=Amar%2C+H">H. Amar</a>, <a href="/search/hep-ex?searchtype=author&query=Amedo%2C+P">P. Amedo</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+J">J. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Andrade%2C+D+A">D. A. Andrade</a> , et al. (1340 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="2407.10339v1-abstract-short" style="display: inline;"> The determination of the direction of a stellar core collapse via its neutrino emission is crucial for the identification of the progenitor for a multimessenger follow-up. A highly effective method of reconstructing supernova directions within the Deep Underground Neutrino Experiment (DUNE) is introduced. The supernova neutrino pointing resolution is studied by simulating and reconstructing electr… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2407.10339v1-abstract-full').style.display = 'inline'; document.getElementById('2407.10339v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2407.10339v1-abstract-full" style="display: none;"> The determination of the direction of a stellar core collapse via its neutrino emission is crucial for the identification of the progenitor for a multimessenger follow-up. A highly effective method of reconstructing supernova directions within the Deep Underground Neutrino Experiment (DUNE) is introduced. The supernova neutrino pointing resolution is studied by simulating and reconstructing electron-neutrino charged-current absorption on $^{40}$Ar and elastic scattering of neutrinos on electrons. Procedures to reconstruct individual interactions, including a newly developed technique called ``brems flipping'', as well as the burst direction from an ensemble of interactions are described. Performance of the burst direction reconstruction is evaluated for supernovae happening at a distance of 10 kpc for a specific supernova burst flux model. The pointing resolution is found to be 3.4 degrees at 68% coverage for a perfect interaction-channel classification and a fiducial mass of 40 kton, and 6.6 degrees for a 10 kton fiducial mass respectively. Assuming a 4% rate of charged-current interactions being misidentified as elastic scattering, DUNE's burst pointing resolution is found to be 4.3 degrees (8.7 degrees) at 68% coverage. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2407.10339v1-abstract-full').style.display = 'none'; document.getElementById('2407.10339v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 14 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">25 pages, 16 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-24-0319-LBNF </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2406.13806">arXiv:2406.13806</a> <span> [<a href="https://arxiv.org/pdf/2406.13806">pdf</a>, <a href="https://arxiv.org/format/2406.13806">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> <p class="title is-5 mathjax"> First detection of coherent elastic neutrino-nucleus scattering on germanium </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Adamski%2C+S">S. Adamski</a>, <a href="/search/hep-ex?searchtype=author&query=Ahn%2C+M">M. Ahn</a>, <a href="/search/hep-ex?searchtype=author&query=Barbeau%2C+P+S">P. S. Barbeau</a>, <a href="/search/hep-ex?searchtype=author&query=Belov%2C+V">V. Belov</a>, <a href="/search/hep-ex?searchtype=author&query=Bernardi%2C+I">I. Bernardi</a>, <a href="/search/hep-ex?searchtype=author&query=Bock%2C+C">C. Bock</a>, <a href="/search/hep-ex?searchtype=author&query=Bolozdynya%2C+A">A. Bolozdynya</a>, <a href="/search/hep-ex?searchtype=author&query=Bouabid%2C+R">R. Bouabid</a>, <a href="/search/hep-ex?searchtype=author&query=Browning%2C+J">J. Browning</a>, <a href="/search/hep-ex?searchtype=author&query=Cabrera-Palmer%2C+B">B. Cabrera-Palmer</a>, <a href="/search/hep-ex?searchtype=author&query=Cedarblade-Jones%2C+N">N. Cedarblade-Jones</a>, <a href="/search/hep-ex?searchtype=author&query=Rivera%2C+J+C">J. Col贸n Rivera</a>, <a href="/search/hep-ex?searchtype=author&query=Conley%2C+E">E. Conley</a>, <a href="/search/hep-ex?searchtype=author&query=da+Silva%2C+V">V. da Silva</a>, <a href="/search/hep-ex?searchtype=author&query=Daughhetee%2C+J">J. Daughhetee</a>, <a href="/search/hep-ex?searchtype=author&query=Detwiler%2C+J">J. Detwiler</a>, <a href="/search/hep-ex?searchtype=author&query=Ding%2C+K">K. Ding</a>, <a href="/search/hep-ex?searchtype=author&query=Durand%2C+M+R">M. R. Durand</a>, <a href="/search/hep-ex?searchtype=author&query=Efremenko%2C+Y">Y. Efremenko</a>, <a href="/search/hep-ex?searchtype=author&query=Elliott%2C+S+R">S. R. Elliott</a>, <a href="/search/hep-ex?searchtype=author&query=Erlandson%2C+A">A. Erlandson</a>, <a href="/search/hep-ex?searchtype=author&query=Fabris%2C+L">L. Fabris</a>, <a href="/search/hep-ex?searchtype=author&query=Galindo-Uribarri%2C+A">A. Galindo-Uribarri</a>, <a href="/search/hep-ex?searchtype=author&query=Green%2C+M+P">M. P. Green</a>, <a href="/search/hep-ex?searchtype=author&query=Hakenm%C3%BCller%2C+J">J. Hakenm眉ller</a> , et al. (62 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="2406.13806v1-abstract-short" style="display: inline;"> We report the first detection of coherent elastic neutrino-nucleus scattering (CEvNS) on germanium, measured at the Spallation Neutron Source at Oak Ridge National Laboratory. The Ge-Mini detector of the COHERENT collaboration employs large-mass, low-noise, high-purity germanium spectrometers, enabling excellent energy resolution, and an analysis threshold of 1.5 keV electron-equivalent ionization… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2406.13806v1-abstract-full').style.display = 'inline'; document.getElementById('2406.13806v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2406.13806v1-abstract-full" style="display: none;"> We report the first detection of coherent elastic neutrino-nucleus scattering (CEvNS) on germanium, measured at the Spallation Neutron Source at Oak Ridge National Laboratory. The Ge-Mini detector of the COHERENT collaboration employs large-mass, low-noise, high-purity germanium spectrometers, enabling excellent energy resolution, and an analysis threshold of 1.5 keV electron-equivalent ionization energy. We observe a on-beam excess of 20.6$_{+7.1}^{-6.3}$ counts with a total exposure of 10.22 GWhkg and we reject the no-CEvNS hypothesis with 3.9 sigma significance. The result agrees with the predicted standard model of particle physics signal rate within 2 sigma. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2406.13806v1-abstract-full').style.display = 'none'; document.getElementById('2406.13806v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 19 June, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 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">7 pages, 5 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/2405.15954">arXiv:2405.15954</a> <span> [<a href="https://arxiv.org/pdf/2405.15954">pdf</a>, <a href="https://arxiv.org/format/2405.15954">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> </div> </div> <p class="title is-5 mathjax"> Searches for new physics below twice the electron mass with GERDA </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=GERDA+Collaboration"> GERDA Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Agostini%2C+M">M. Agostini</a>, <a href="/search/hep-ex?searchtype=author&query=Alexander%2C+A">A. Alexander</a>, <a href="/search/hep-ex?searchtype=author&query=Araujo%2C+G+R">G. R. Araujo</a>, <a href="/search/hep-ex?searchtype=author&query=Bakalyarov%2C+A+M">A. M. Bakalyarov</a>, <a href="/search/hep-ex?searchtype=author&query=Balata%2C+M">M. Balata</a>, <a href="/search/hep-ex?searchtype=author&query=Barabanov%2C+I">I. Barabanov</a>, <a href="/search/hep-ex?searchtype=author&query=Baudis%2C+L">L. Baudis</a>, <a href="/search/hep-ex?searchtype=author&query=Bauer%2C+C">C. Bauer</a>, <a href="/search/hep-ex?searchtype=author&query=Belogurov%2C+S">S. Belogurov</a>, <a href="/search/hep-ex?searchtype=author&query=Bettini%2C+A">A. Bettini</a>, <a href="/search/hep-ex?searchtype=author&query=Bezrukov%2C+L">L. Bezrukov</a>, <a href="/search/hep-ex?searchtype=author&query=Biancacci%2C+V">V. Biancacci</a>, <a href="/search/hep-ex?searchtype=author&query=Bossio%2C+E">E. Bossio</a>, <a href="/search/hep-ex?searchtype=author&query=Bothe%2C+V">V. Bothe</a>, <a href="/search/hep-ex?searchtype=author&query=Brugnera%2C+R">R. Brugnera</a>, <a href="/search/hep-ex?searchtype=author&query=Caldwell%2C+A">A. Caldwell</a>, <a href="/search/hep-ex?searchtype=author&query=Calgaro%2C+S">S. Calgaro</a>, <a href="/search/hep-ex?searchtype=author&query=Cattadori%2C+C">C. Cattadori</a>, <a href="/search/hep-ex?searchtype=author&query=Chernogorov%2C+A">A. Chernogorov</a>, <a href="/search/hep-ex?searchtype=author&query=Chiu%2C+P+-">P. -J. Chiu</a>, <a href="/search/hep-ex?searchtype=author&query=Comellato%2C+T">T. Comellato</a>, <a href="/search/hep-ex?searchtype=author&query=D%27Andrea%2C+V">V. D'Andrea</a>, <a href="/search/hep-ex?searchtype=author&query=Demidova%2C+E+V">E. V. Demidova</a>, <a href="/search/hep-ex?searchtype=author&query=Di+Marco%2C+N">N. Di Marco</a> , et al. (86 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2405.15954v1-abstract-short" style="display: inline;"> A search for full energy depositions from bosonic keV-scale dark matter candidates of masses between 65 keV and 1021 keV has been performed with data collected during Phase II of the GERmanium Detector Array (GERDA) experiment. Our analysis includes direct dark matter absorption as well as dark Compton scattering. With a total exposure of 105.5 kg yr, no evidence for a signal above the background… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2405.15954v1-abstract-full').style.display = 'inline'; document.getElementById('2405.15954v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2405.15954v1-abstract-full" style="display: none;"> A search for full energy depositions from bosonic keV-scale dark matter candidates of masses between 65 keV and 1021 keV has been performed with data collected during Phase II of the GERmanium Detector Array (GERDA) experiment. Our analysis includes direct dark matter absorption as well as dark Compton scattering. With a total exposure of 105.5 kg yr, no evidence for a signal above the background has been observed. The resulting exclusion limits deduced with either Bayesian or Frequentist statistics are the most stringent direct constraints in the major part of the 140-1021 keV mass range. As an example, at a mass of 150 keV the dimensionless coupling of dark photons and axion-like particles to electrons has been constrained to $伪$'/$伪$ < 8.7x10$^{-24}$ and g$_{ae}$ < 3.3x10$^{-12}$ at 90% credible interval (CI), respectively. Additionally, a search for peak-like signals from beyond the Standard Model decays of nucleons and electrons is performed. We find for the inclusive decay of a single neutron in $^{76}$Ge a lower lifetime limit of $蟿_n$ > 1.5x10$^{24}$ yr and for a proton $蟿_p$ > 1.3x10$^{24}$ yr at 90% CI. For the electron decay e$^-\rightarrow谓_e纬$ a lower limit of $蟿_e$ > 5.4x10$^{25}$ yr at 90% CI has been determined. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2405.15954v1-abstract-full').style.display = 'none'; document.getElementById('2405.15954v1-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 May, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">20 pages, 12 figures, 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/2405.01626">arXiv:2405.01626</a> <span> [<a href="https://arxiv.org/pdf/2405.01626">pdf</a>, <a href="https://arxiv.org/format/2405.01626">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Cosmology and Nongalactic Astrophysics">astro-ph.CO</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Methods for Astrophysics">astro-ph.IM</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <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"> Mineral Detection of Neutrinos and Dark Matter 2024. Proceedings </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Baum%2C+S">Sebastian Baum</a>, <a href="/search/hep-ex?searchtype=author&query=Huber%2C+P">Patrick Huber</a>, <a href="/search/hep-ex?searchtype=author&query=Stengel%2C+P">Patrick Stengel</a>, <a href="/search/hep-ex?searchtype=author&query=Abe%2C+N">Natsue Abe</a>, <a href="/search/hep-ex?searchtype=author&query=Ang%2C+D+G">Daniel G. Ang</a>, <a href="/search/hep-ex?searchtype=author&query=Apollonio%2C+L">Lorenzo Apollonio</a>, <a href="/search/hep-ex?searchtype=author&query=Araujo%2C+G+R">Gabriela R. Araujo</a>, <a href="/search/hep-ex?searchtype=author&query=Balogh%2C+L">Levente Balogh</a>, <a href="/search/hep-ex?searchtype=author&query=Boukhtouchen%2C+P+B+Y">Pranshu Bhaumik Yilda Boukhtouchen</a>, <a href="/search/hep-ex?searchtype=author&query=Bramante%2C+J">Joseph Bramante</a>, <a href="/search/hep-ex?searchtype=author&query=Caccianiga%2C+L">Lorenzo Caccianiga</a>, <a href="/search/hep-ex?searchtype=author&query=Calabrese-Day%2C+A">Andrew Calabrese-Day</a>, <a href="/search/hep-ex?searchtype=author&query=Chang%2C+Q">Qing Chang</a>, <a href="/search/hep-ex?searchtype=author&query=Collar%2C+J+I">Juan I. Collar</a>, <a href="/search/hep-ex?searchtype=author&query=Ebadi%2C+R">Reza Ebadi</a>, <a href="/search/hep-ex?searchtype=author&query=Elykov%2C+A">Alexey Elykov</a>, <a href="/search/hep-ex?searchtype=author&query=Freese%2C+K">Katherine Freese</a>, <a href="/search/hep-ex?searchtype=author&query=Fung%2C+A">Audrey Fung</a>, <a href="/search/hep-ex?searchtype=author&query=Galelli%2C+C">Claudio Galelli</a>, <a href="/search/hep-ex?searchtype=author&query=Gleason%2C+A+E">Arianna E. Gleason</a>, <a href="/search/hep-ex?searchtype=author&query=Perez%2C+M+G">Mariano Guerrero Perez</a>, <a href="/search/hep-ex?searchtype=author&query=Hakenm%C3%BCller%2C+J">Janina Hakenm眉ller</a>, <a href="/search/hep-ex?searchtype=author&query=Hanyu%2C+T">Takeshi Hanyu</a>, <a href="/search/hep-ex?searchtype=author&query=Hasebe%2C+N">Noriko Hasebe</a>, <a href="/search/hep-ex?searchtype=author&query=Hirose%2C+S">Shigenobu Hirose</a> , et al. (35 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2405.01626v1-abstract-short" style="display: inline;"> The second "Mineral Detection of Neutrinos and Dark Matter" (MDvDM'24) meeting was held January 8-11, 2024 in Arlington, VA, USA, hosted by Virginia Tech's Center for Neutrino Physics. This document collects contributions from this workshop, providing an overview of activities in the field. MDvDM'24 was the second topical workshop dedicated to the emerging field of mineral detection of neutrinos a… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2405.01626v1-abstract-full').style.display = 'inline'; document.getElementById('2405.01626v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2405.01626v1-abstract-full" style="display: none;"> The second "Mineral Detection of Neutrinos and Dark Matter" (MDvDM'24) meeting was held January 8-11, 2024 in Arlington, VA, USA, hosted by Virginia Tech's Center for Neutrino Physics. This document collects contributions from this workshop, providing an overview of activities in the field. MDvDM'24 was the second topical workshop dedicated to the emerging field of mineral detection of neutrinos and dark matter, following a meeting hosted by IFPU in Trieste, Italy in October 2022. Mineral detectors have been proposed for a wide variety of applications, including searching for dark matter, measuring various fluxes of astrophysical neutrinos over gigayear timescales, monitoring nuclear reactors, and nuclear disarmament protocols; both as paleo-detectors using natural minerals that could have recorded the traces of nuclear recoils for timescales as long as a billion years and as detectors recording nuclear recoil events on laboratory timescales using natural or artificial minerals. Contributions to this proceedings discuss the vast physics potential, the progress in experimental studies, and the numerous challenges lying ahead on the path towards mineral detection. These include a better understanding of the formation and annealing of recoil defects in crystals; identifying the best classes of minerals and, for paleo-detectors, understanding their geology; modeling and control of the relevant backgrounds; developing, combining, and scaling up imaging and data analysis techniques; and many others. During the last years, MDvDM has grown rapidly and gained attention. Small-scale experimental efforts focused on establishing various microscopic readout techniques are underway at institutions in North America, Europe and Asia. We are looking ahead to an exciting future full of challenges to overcome, surprises to be encountered, and discoveries lying ahead of us. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2405.01626v1-abstract-full').style.display = 'none'; document.getElementById('2405.01626v1-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 May, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Summary and proceedings of the MDvDM'24 conference, Jan 8-11 2024</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2403.03212">arXiv:2403.03212</a> <span> [<a href="https://arxiv.org/pdf/2403.03212">pdf</a>, <a href="https://arxiv.org/format/2403.03212">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"> Performance of a modular ton-scale pixel-readout liquid argon time projection chamber </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=DUNE+Collaboration"> DUNE Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abud%2C+A+A">A. Abed Abud</a>, <a href="/search/hep-ex?searchtype=author&query=Abi%2C+B">B. Abi</a>, <a href="/search/hep-ex?searchtype=author&query=Acciarri%2C+R">R. Acciarri</a>, <a href="/search/hep-ex?searchtype=author&query=Acero%2C+M+A">M. A. Acero</a>, <a href="/search/hep-ex?searchtype=author&query=Adames%2C+M+R">M. R. Adames</a>, <a href="/search/hep-ex?searchtype=author&query=Adamov%2C+G">G. Adamov</a>, <a href="/search/hep-ex?searchtype=author&query=Adamowski%2C+M">M. Adamowski</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+D">D. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Adinolfi%2C+M">M. Adinolfi</a>, <a href="/search/hep-ex?searchtype=author&query=Adriano%2C+C">C. Adriano</a>, <a href="/search/hep-ex?searchtype=author&query=Aduszkiewicz%2C+A">A. Aduszkiewicz</a>, <a href="/search/hep-ex?searchtype=author&query=Aguilar%2C+J">J. Aguilar</a>, <a href="/search/hep-ex?searchtype=author&query=Aimard%2C+B">B. Aimard</a>, <a href="/search/hep-ex?searchtype=author&query=Akbar%2C+F">F. Akbar</a>, <a href="/search/hep-ex?searchtype=author&query=Allison%2C+K">K. Allison</a>, <a href="/search/hep-ex?searchtype=author&query=Monsalve%2C+S+A">S. Alonso Monsalve</a>, <a href="/search/hep-ex?searchtype=author&query=Alrashed%2C+M">M. Alrashed</a>, <a href="/search/hep-ex?searchtype=author&query=Alton%2C+A">A. Alton</a>, <a href="/search/hep-ex?searchtype=author&query=Alvarez%2C+R">R. Alvarez</a>, <a href="/search/hep-ex?searchtype=author&query=Alves%2C+T">T. Alves</a>, <a href="/search/hep-ex?searchtype=author&query=Amar%2C+H">H. Amar</a>, <a href="/search/hep-ex?searchtype=author&query=Amedo%2C+P">P. Amedo</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+J">J. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Andrade%2C+D+A">D. A. Andrade</a> , et al. (1340 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="2403.03212v1-abstract-short" style="display: inline;"> The Module-0 Demonstrator is a single-phase 600 kg liquid argon time projection chamber operated as a prototype for the DUNE liquid argon near detector. Based on the ArgonCube design concept, Module-0 features a novel 80k-channel pixelated charge readout and advanced high-coverage photon detection system. In this paper, we present an analysis of an eight-day data set consisting of 25 million cosmi… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2403.03212v1-abstract-full').style.display = 'inline'; document.getElementById('2403.03212v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2403.03212v1-abstract-full" style="display: none;"> The Module-0 Demonstrator is a single-phase 600 kg liquid argon time projection chamber operated as a prototype for the DUNE liquid argon near detector. Based on the ArgonCube design concept, Module-0 features a novel 80k-channel pixelated charge readout and advanced high-coverage photon detection system. In this paper, we present an analysis of an eight-day data set consisting of 25 million cosmic ray events collected in the spring of 2021. We use this sample to demonstrate the imaging performance of the charge and light readout systems as well as the signal correlations between the two. We also report argon purity and detector uniformity measurements, and provide comparisons to detector simulations. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2403.03212v1-abstract-full').style.display = 'none'; document.getElementById('2403.03212v1-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> 5 March, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 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">47 pages, 41 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-24-0073-LBNF </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2401.07684">arXiv:2401.07684</a> <span> [<a href="https://arxiv.org/pdf/2401.07684">pdf</a>, <a href="https://arxiv.org/format/2401.07684">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevLett.133.251802">10.1103/PhysRevLett.133.251802 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Final CONUS results on coherent elastic neutrino-nucleus scattering at the Brokdorf reactor </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Ackermann%2C+N">N. Ackermann</a>, <a href="/search/hep-ex?searchtype=author&query=Bonet%2C+H">H. Bonet</a>, <a href="/search/hep-ex?searchtype=author&query=Bonhomme%2C+A">A. Bonhomme</a>, <a href="/search/hep-ex?searchtype=author&query=Buck%2C+C">C. Buck</a>, <a href="/search/hep-ex?searchtype=author&query=F%C3%BClber%2C+K">K. F眉lber</a>, <a href="/search/hep-ex?searchtype=author&query=Hakenm%C3%BCller%2C+J">J. Hakenm眉ller</a>, <a href="/search/hep-ex?searchtype=author&query=Hempfling%2C+J">J. Hempfling</a>, <a href="/search/hep-ex?searchtype=author&query=Henrichs%2C+J">J. Henrichs</a>, <a href="/search/hep-ex?searchtype=author&query=Heusser%2C+G">G. Heusser</a>, <a href="/search/hep-ex?searchtype=author&query=Lindner%2C+M">M. Lindner</a>, <a href="/search/hep-ex?searchtype=author&query=Maneschg%2C+W">W. Maneschg</a>, <a href="/search/hep-ex?searchtype=author&query=Rink%2C+T">T. Rink</a>, <a href="/search/hep-ex?searchtype=author&query=Garcia%2C+E+S">E. Sanchez Garcia</a>, <a href="/search/hep-ex?searchtype=author&query=Stauber%2C+J">J. Stauber</a>, <a href="/search/hep-ex?searchtype=author&query=Strecker%2C+H">H. Strecker</a>, <a href="/search/hep-ex?searchtype=author&query=Wink%2C+R">R. Wink</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="2401.07684v3-abstract-short" style="display: inline;"> The Conus experiment studies coherent elastic neutrino-nucleus scattering in four 1 kg germanium spectrometers. Low ionization energy thresholds of 210 eV were achieved. The detectors were operated inside an optimized shield at the Brokdorf nuclear power plant which provided a reactor antineutrino flux of up to 2.3$\cdot$10$^{13}$\,cm$^{-2}$s$^{-1}$. In the final phase of data collection at this s… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2401.07684v3-abstract-full').style.display = 'inline'; document.getElementById('2401.07684v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2401.07684v3-abstract-full" style="display: none;"> The Conus experiment studies coherent elastic neutrino-nucleus scattering in four 1 kg germanium spectrometers. Low ionization energy thresholds of 210 eV were achieved. The detectors were operated inside an optimized shield at the Brokdorf nuclear power plant which provided a reactor antineutrino flux of up to 2.3$\cdot$10$^{13}$\,cm$^{-2}$s$^{-1}$. In the final phase of data collection at this site, the constraints on the neutrino interaction rate were improved by an order of magnitude as compared to the previous Conus analysis. The new limit of less than 0.34 signal events kg$^{-1}$\,d$^{-1}$ is within a factor 2 of the rate predicted by the standard model. This constraint is discussed in the context of conflicting measurements and results from another reactor neutrino experiment using similar technology. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2401.07684v3-abstract-full').style.display = 'none'; document.getElementById('2401.07684v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 19 December, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 15 January, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 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">9 figures, 4 tables</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> CONUS Collaboration, Phys. Rev. Lett. 133, 251802 (2024) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2312.03130">arXiv:2312.03130</a> <span> [<a href="https://arxiv.org/pdf/2312.03130">pdf</a>, <a href="https://arxiv.org/format/2312.03130">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> The DUNE Far Detector Vertical Drift Technology, Technical Design Report </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=DUNE+Collaboration"> DUNE Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abud%2C+A+A">A. Abed Abud</a>, <a href="/search/hep-ex?searchtype=author&query=Abi%2C+B">B. Abi</a>, <a href="/search/hep-ex?searchtype=author&query=Acciarri%2C+R">R. Acciarri</a>, <a href="/search/hep-ex?searchtype=author&query=Acero%2C+M+A">M. A. Acero</a>, <a href="/search/hep-ex?searchtype=author&query=Adames%2C+M+R">M. R. Adames</a>, <a href="/search/hep-ex?searchtype=author&query=Adamov%2C+G">G. Adamov</a>, <a href="/search/hep-ex?searchtype=author&query=Adamowski%2C+M">M. Adamowski</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+D">D. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Adinolfi%2C+M">M. Adinolfi</a>, <a href="/search/hep-ex?searchtype=author&query=Adriano%2C+C">C. Adriano</a>, <a href="/search/hep-ex?searchtype=author&query=Aduszkiewicz%2C+A">A. Aduszkiewicz</a>, <a href="/search/hep-ex?searchtype=author&query=Aguilar%2C+J">J. Aguilar</a>, <a href="/search/hep-ex?searchtype=author&query=Aimard%2C+B">B. Aimard</a>, <a href="/search/hep-ex?searchtype=author&query=Akbar%2C+F">F. Akbar</a>, <a href="/search/hep-ex?searchtype=author&query=Allison%2C+K">K. Allison</a>, <a href="/search/hep-ex?searchtype=author&query=Monsalve%2C+S+A">S. Alonso Monsalve</a>, <a href="/search/hep-ex?searchtype=author&query=Alrashed%2C+M">M. Alrashed</a>, <a href="/search/hep-ex?searchtype=author&query=Alton%2C+A">A. Alton</a>, <a href="/search/hep-ex?searchtype=author&query=Alvarez%2C+R">R. Alvarez</a>, <a href="/search/hep-ex?searchtype=author&query=Amar%2C+H">H. Amar</a>, <a href="/search/hep-ex?searchtype=author&query=Amedo%2C+P">P. Amedo</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+J">J. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Andrade%2C+D+A">D. A. Andrade</a>, <a href="/search/hep-ex?searchtype=author&query=Andreopoulos%2C+C">C. Andreopoulos</a> , et al. (1304 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="2312.03130v1-abstract-short" style="display: inline;"> DUNE is an international experiment dedicated to addressing some of the questions at the forefront of particle physics and astrophysics, including the mystifying preponderance of matter over antimatter in the early universe. The dual-site experiment will employ an intense neutrino beam focused on a near and a far detector as it aims to determine the neutrino mass hierarchy and to make high-precisi… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2312.03130v1-abstract-full').style.display = 'inline'; document.getElementById('2312.03130v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2312.03130v1-abstract-full" style="display: none;"> DUNE is an international experiment dedicated to addressing some of the questions at the forefront of particle physics and astrophysics, including the mystifying preponderance of matter over antimatter in the early universe. The dual-site experiment will employ an intense neutrino beam focused on a near and a far detector as it aims to determine the neutrino mass hierarchy and to make high-precision measurements of the PMNS matrix parameters, including the CP-violating phase. It will also stand ready to observe supernova neutrino bursts, and seeks to observe nucleon decay as a signature of a grand unified theory underlying the standard model. The DUNE far detector implements liquid argon time-projection chamber (LArTPC) technology, and combines the many tens-of-kiloton fiducial mass necessary for rare event searches with the sub-centimeter spatial resolution required to image those events with high precision. The addition of a photon detection system enhances physics capabilities for all DUNE physics drivers and opens prospects for further physics explorations. Given its size, the far detector will be implemented as a set of modules, with LArTPC designs that differ from one another as newer technologies arise. In the vertical drift LArTPC design, a horizontal cathode bisects the detector, creating two stacked drift volumes in which ionization charges drift towards anodes at either the top or bottom. The anodes are composed of perforated PCB layers with conductive strips, enabling reconstruction in 3D. Light-trap-style photon detection modules are placed both on the cryostat's side walls and on the central cathode where they are optically powered. This Technical Design Report describes in detail the technical implementations of each subsystem of this LArTPC that, together with the other far detector modules and the near detector, will enable DUNE to achieve its physics goals. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2312.03130v1-abstract-full').style.display = 'none'; document.getElementById('2312.03130v1-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> 5 December, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 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">425 pages; 281 figures Central editing team: A. Heavey, S. Kettell, A. Marchionni, S. Palestini, S. Rajogopalan, R. J. Wilson</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> Fermilab Report no: TM-2813-LBNF </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2311.13032">arXiv:2311.13032</a> <span> [<a href="https://arxiv.org/pdf/2311.13032">pdf</a>, <a href="https://arxiv.org/format/2311.13032">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> Accessing new physics with an undoped, cryogenic CsI CEvNS detector for COHERENT at the SNS </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Barbeau%2C+P+S">P. S. Barbeau</a>, <a href="/search/hep-ex?searchtype=author&query=Belov%2C+V">V. Belov</a>, <a href="/search/hep-ex?searchtype=author&query=Bernardi%2C+I">I. Bernardi</a>, <a href="/search/hep-ex?searchtype=author&query=Bock%2C+C">C. Bock</a>, <a href="/search/hep-ex?searchtype=author&query=Bolozdynya%2C+A">A. Bolozdynya</a>, <a href="/search/hep-ex?searchtype=author&query=Bouabid%2C+R">R. Bouabid</a>, <a href="/search/hep-ex?searchtype=author&query=Browning%2C+J">J. Browning</a>, <a href="/search/hep-ex?searchtype=author&query=Cabrera-Palmer%2C+B">B. Cabrera-Palmer</a>, <a href="/search/hep-ex?searchtype=author&query=Conley%2C+E">E. Conley</a>, <a href="/search/hep-ex?searchtype=author&query=da+Silva%2C+V">V. da Silva</a>, <a href="/search/hep-ex?searchtype=author&query=Daughhetee%2C+J">J. Daughhetee</a>, <a href="/search/hep-ex?searchtype=author&query=Detwiler%2C+J">J. Detwiler</a>, <a href="/search/hep-ex?searchtype=author&query=Ding%2C+K">K. Ding</a>, <a href="/search/hep-ex?searchtype=author&query=Durand%2C+M+R">M. R. Durand</a>, <a href="/search/hep-ex?searchtype=author&query=Efremenko%2C+Y">Y. Efremenko</a>, <a href="/search/hep-ex?searchtype=author&query=Elliott%2C+S+R">S. R. Elliott</a>, <a href="/search/hep-ex?searchtype=author&query=Erlandson%2C+A">A. Erlandson</a>, <a href="/search/hep-ex?searchtype=author&query=Fabris%2C+L">L. Fabris</a>, <a href="/search/hep-ex?searchtype=author&query=Febbraro%2C+M">M. Febbraro</a>, <a href="/search/hep-ex?searchtype=author&query=Galindo-Uribarri%2C+A">A. Galindo-Uribarri</a>, <a href="/search/hep-ex?searchtype=author&query=Green%2C+M+P">M. P. Green</a>, <a href="/search/hep-ex?searchtype=author&query=Hakenm%C3%BCller%2C+J">J. Hakenm眉ller</a>, <a href="/search/hep-ex?searchtype=author&query=Heath%2C+M+R">M. R. Heath</a>, <a href="/search/hep-ex?searchtype=author&query=Hedges%2C+S">S. Hedges</a>, <a href="/search/hep-ex?searchtype=author&query=Johnson%2C+B+A">B. A. Johnson</a> , et al. (55 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="2311.13032v1-abstract-short" style="display: inline;"> We consider the potential for a 10-kg undoped cryogenic CsI detector operating at the Spallation Neutron Source to measure coherent elastic neutrino-nucleus scattering and its sensitivity to discover new physics beyond the standard model. Through a combination of increased event rate, lower threshold, and good timing resolution, such a detector would significantly improve on past measurements. We… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2311.13032v1-abstract-full').style.display = 'inline'; document.getElementById('2311.13032v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2311.13032v1-abstract-full" style="display: none;"> We consider the potential for a 10-kg undoped cryogenic CsI detector operating at the Spallation Neutron Source to measure coherent elastic neutrino-nucleus scattering and its sensitivity to discover new physics beyond the standard model. Through a combination of increased event rate, lower threshold, and good timing resolution, such a detector would significantly improve on past measurements. We considered tests of several beyond-the-standard-model scenarios such as neutrino non-standard interactions and accelerator-produced dark matter. This detector's performance was also studied for relevant questions in nuclear physics and neutrino astronomy, namely the weak charge distribution of CsI nuclei and detection of neutrinos from a core-collapse supernova. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2311.13032v1-abstract-full').style.display = 'none'; document.getElementById('2311.13032v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 21 November, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2023. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2308.12105">arXiv:2308.12105</a> <span> [<a href="https://arxiv.org/pdf/2308.12105">pdf</a>, <a href="https://arxiv.org/format/2308.12105">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1140/epjc/s10052-024-12470-w">10.1140/epjc/s10052-024-12470-w <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Pulse shape discrimination for the CONUS experiment in the keV and sub-keV regime </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Bonet%2C+H">H. Bonet</a>, <a href="/search/hep-ex?searchtype=author&query=Bonhomme%2C+A">A. Bonhomme</a>, <a href="/search/hep-ex?searchtype=author&query=Buck%2C+C">C. Buck</a>, <a href="/search/hep-ex?searchtype=author&query=F%C3%BClber%2C+K">K. F眉lber</a>, <a href="/search/hep-ex?searchtype=author&query=Hakenm%C3%BCller%2C+J">J. Hakenm眉ller</a>, <a href="/search/hep-ex?searchtype=author&query=Hempfling%2C+J">J. Hempfling</a>, <a href="/search/hep-ex?searchtype=author&query=Henrichs%2C+J">J. Henrichs</a>, <a href="/search/hep-ex?searchtype=author&query=Heusser%2C+G">G. Heusser</a>, <a href="/search/hep-ex?searchtype=author&query=Lindner%2C+M">M. Lindner</a>, <a href="/search/hep-ex?searchtype=author&query=Maneschg%2C+W">W. Maneschg</a>, <a href="/search/hep-ex?searchtype=author&query=Rink%2C+T">T. Rink</a>, <a href="/search/hep-ex?searchtype=author&query=Garcia%2C+E+S">E. Sanchez Garcia</a>, <a href="/search/hep-ex?searchtype=author&query=Stauber%2C+J">J. Stauber</a>, <a href="/search/hep-ex?searchtype=author&query=Strecker%2C+H">H. Strecker</a>, <a href="/search/hep-ex?searchtype=author&query=Wink%2C+R">R. Wink</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="2308.12105v2-abstract-short" style="display: inline;"> Point-contact p-type high-purity germanium detectors (PPC HPGe) are particularly suited for detection of sub-keV nuclear recoils from coherent elastic scattering of neutrinos or light dark matter particles. While these particles are expected to interact homogeneously in the entire detector volume, specific classes of external background radiation preferably deposit their energy close to the semi-a… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2308.12105v2-abstract-full').style.display = 'inline'; document.getElementById('2308.12105v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2308.12105v2-abstract-full" style="display: none;"> Point-contact p-type high-purity germanium detectors (PPC HPGe) are particularly suited for detection of sub-keV nuclear recoils from coherent elastic scattering of neutrinos or light dark matter particles. While these particles are expected to interact homogeneously in the entire detector volume, specific classes of external background radiation preferably deposit their energy close to the semi-active detector surface, in which diffusion processes dominate that subsequently lead to slower rising pulses compared to the ones from the fully active bulk volume. Dedicated studies of their shape are therefore highly beneficial for the understanding and the rejection of these unwanted events. This article reports about the development of a data-driven pulse shape discrimination (PSD) method for the four 1 kg size PPC HPGe detectors of the CONUS experiment in the keV and sub-keV regime down to 210 eV$_{\text{ee}}$. The impact of the electronic noise at such low energies is carefully examined. It is shown that for an acceptance of 90% of the faster signal-like pulses from the bulk volume, approx. 50% of the surface events can be rejected at the energy threshold and that their contribution is fully suppressed above 800 eV$_{\text{ee}}$. Applied to the CONUS background data, such a PSD rejection cut allows to achieve an overall (15-25)% reduction of the total background budget. The new method allows to improve the sensitivity of future CONUS analyses and to refine the corresponding background model in the sub-keV energy region. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2308.12105v2-abstract-full').style.display = 'none'; document.getElementById('2308.12105v2-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, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 23 August, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Eur. Phys. J. C 84, 139 (2024) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2306.08106">arXiv:2306.08106</a> <span> [<a href="https://arxiv.org/pdf/2306.08106">pdf</a>, <a href="https://arxiv.org/format/2306.08106">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Astrophysical Phenomena">astro-ph.HE</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="General Relativity and Quantum Cosmology">gr-qc</span> </div> </div> <p class="title is-5 mathjax"> Applications of Deep Learning to physics workflows </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Agarwal%2C+M">Manan Agarwal</a>, <a href="/search/hep-ex?searchtype=author&query=Alameda%2C+J">Jay Alameda</a>, <a href="/search/hep-ex?searchtype=author&query=Audenaert%2C+J">Jeroen Audenaert</a>, <a href="/search/hep-ex?searchtype=author&query=Benoit%2C+W">Will Benoit</a>, <a href="/search/hep-ex?searchtype=author&query=Beveridge%2C+D">Damon Beveridge</a>, <a href="/search/hep-ex?searchtype=author&query=Bhattacharya%2C+M">Meghna Bhattacharya</a>, <a href="/search/hep-ex?searchtype=author&query=Chatterjee%2C+C">Chayan Chatterjee</a>, <a href="/search/hep-ex?searchtype=author&query=Chatterjee%2C+D">Deep Chatterjee</a>, <a href="/search/hep-ex?searchtype=author&query=Chen%2C+A">Andy Chen</a>, <a href="/search/hep-ex?searchtype=author&query=Cholayil%2C+M+S">Muhammed Saleem Cholayil</a>, <a href="/search/hep-ex?searchtype=author&query=Chou%2C+C">Chia-Jui Chou</a>, <a href="/search/hep-ex?searchtype=author&query=Choudhary%2C+S">Sunil Choudhary</a>, <a href="/search/hep-ex?searchtype=author&query=Coughlin%2C+M">Michael Coughlin</a>, <a href="/search/hep-ex?searchtype=author&query=Dax%2C+M">Maximilian Dax</a>, <a href="/search/hep-ex?searchtype=author&query=Desai%2C+A">Aman Desai</a>, <a href="/search/hep-ex?searchtype=author&query=Di+Luca%2C+A">Andrea Di Luca</a>, <a href="/search/hep-ex?searchtype=author&query=Duarte%2C+J+M">Javier Mauricio Duarte</a>, <a href="/search/hep-ex?searchtype=author&query=Farrell%2C+S">Steven Farrell</a>, <a href="/search/hep-ex?searchtype=author&query=Feng%2C+Y">Yongbin Feng</a>, <a href="/search/hep-ex?searchtype=author&query=Goodarzi%2C+P">Pooyan Goodarzi</a>, <a href="/search/hep-ex?searchtype=author&query=Govorkova%2C+E">Ekaterina Govorkova</a>, <a href="/search/hep-ex?searchtype=author&query=Graham%2C+M">Matthew Graham</a>, <a href="/search/hep-ex?searchtype=author&query=Guiang%2C+J">Jonathan Guiang</a>, <a href="/search/hep-ex?searchtype=author&query=Gunny%2C+A">Alec Gunny</a>, <a href="/search/hep-ex?searchtype=author&query=Guo%2C+W">Weichangfeng Guo</a> , et al. (43 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2306.08106v1-abstract-short" style="display: inline;"> Modern large-scale physics experiments create datasets with sizes and streaming rates that can exceed those from industry leaders such as Google Cloud and Netflix. Fully processing these datasets requires both sufficient compute power and efficient workflows. Recent advances in Machine Learning (ML) and Artificial Intelligence (AI) can either improve or replace existing domain-specific algorithms… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2306.08106v1-abstract-full').style.display = 'inline'; document.getElementById('2306.08106v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2306.08106v1-abstract-full" style="display: none;"> Modern large-scale physics experiments create datasets with sizes and streaming rates that can exceed those from industry leaders such as Google Cloud and Netflix. Fully processing these datasets requires both sufficient compute power and efficient workflows. Recent advances in Machine Learning (ML) and Artificial Intelligence (AI) can either improve or replace existing domain-specific algorithms to increase workflow efficiency. Not only can these algorithms improve the physics performance of current algorithms, but they can often be executed more quickly, especially when run on coprocessors such as GPUs or FPGAs. In the winter of 2023, MIT hosted the Accelerating Physics with ML at MIT workshop, which brought together researchers from gravitational-wave physics, multi-messenger astrophysics, and particle physics to discuss and share current efforts to integrate ML tools into their workflows. The following white paper highlights examples of algorithms and computing frameworks discussed during this workshop and summarizes the expected computing needs for the immediate future of the involved fields. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2306.08106v1-abstract-full').style.display = 'none'; document.getElementById('2306.08106v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 13 June, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Whitepaper resulting from Accelerating Physics with ML@MIT workshop in Jan/Feb 2023</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2305.19594">arXiv:2305.19594</a> <span> [<a href="https://arxiv.org/pdf/2305.19594">pdf</a>, <a href="https://arxiv.org/format/2305.19594">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> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevLett.131.221801">10.1103/PhysRevLett.131.221801 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of the Electron-Neutrino Charged-Current Cross Sections on ${}^{127}$I with the COHERENT NaI$谓$E detector </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=An%2C+P">P. An</a>, <a href="/search/hep-ex?searchtype=author&query=Awe%2C+C">C. Awe</a>, <a href="/search/hep-ex?searchtype=author&query=Barbeau%2C+P+S">P. S. Barbeau</a>, <a href="/search/hep-ex?searchtype=author&query=Becker%2C+B">B. Becker</a>, <a href="/search/hep-ex?searchtype=author&query=Belov%2C+V">V. Belov</a>, <a href="/search/hep-ex?searchtype=author&query=Bernardi%2C+I">I. Bernardi</a>, <a href="/search/hep-ex?searchtype=author&query=Bock%2C+C">C. Bock</a>, <a href="/search/hep-ex?searchtype=author&query=Bolozdynya%2C+A">A. Bolozdynya</a>, <a href="/search/hep-ex?searchtype=author&query=Bouabid%2C+R">R. Bouabid</a>, <a href="/search/hep-ex?searchtype=author&query=Brown%2C+A">A. Brown</a>, <a href="/search/hep-ex?searchtype=author&query=Browning%2C+J">J. Browning</a>, <a href="/search/hep-ex?searchtype=author&query=Cabrera-Palmer%2C+B">B. Cabrera-Palmer</a>, <a href="/search/hep-ex?searchtype=author&query=Cervantes%2C+M">M. Cervantes</a>, <a href="/search/hep-ex?searchtype=author&query=Conley%2C+E">E. Conley</a>, <a href="/search/hep-ex?searchtype=author&query=Daughhetee%2C+J">J. Daughhetee</a>, <a href="/search/hep-ex?searchtype=author&query=Detwiler%2C+J">J. Detwiler</a>, <a href="/search/hep-ex?searchtype=author&query=Ding%2C+K">K. Ding</a>, <a href="/search/hep-ex?searchtype=author&query=Durand%2C+M+R">M. R. Durand</a>, <a href="/search/hep-ex?searchtype=author&query=Efremenko%2C+Y">Y. Efremenko</a>, <a href="/search/hep-ex?searchtype=author&query=Elliott%2C+S+R">S. R. Elliott</a>, <a href="/search/hep-ex?searchtype=author&query=Fabris%2C+L">L. Fabris</a>, <a href="/search/hep-ex?searchtype=author&query=Febbraro%2C+M">M. Febbraro</a>, <a href="/search/hep-ex?searchtype=author&query=Rosso%2C+A+G">A. Gallo Rosso</a>, <a href="/search/hep-ex?searchtype=author&query=Galindo-Uribarri%2C+A">A. Galindo-Uribarri</a>, <a href="/search/hep-ex?searchtype=author&query=Germer%2C+A+C">A. C. Germer</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="2305.19594v2-abstract-short" style="display: inline;"> Using an 185-kg NaI[Tl] array, COHERENT has measured the inclusive electron-neutrino charged-current cross section on ${}^{127}$I with pion decay-at-rest neutrinos produced by the Spallation Neutron Source at Oak Ridge National Laboratory. Iodine is one the heaviest targets for which low-energy ($\leq$ 50 MeV) inelastic neutrino-nucleus processes have been measured, and this is the first measureme… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2305.19594v2-abstract-full').style.display = 'inline'; document.getElementById('2305.19594v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2305.19594v2-abstract-full" style="display: none;"> Using an 185-kg NaI[Tl] array, COHERENT has measured the inclusive electron-neutrino charged-current cross section on ${}^{127}$I with pion decay-at-rest neutrinos produced by the Spallation Neutron Source at Oak Ridge National Laboratory. Iodine is one the heaviest targets for which low-energy ($\leq$ 50 MeV) inelastic neutrino-nucleus processes have been measured, and this is the first measurement of its inclusive cross section. After a five-year detector exposure, COHERENT reports a flux-averaged cross section for electron neutrinos of $9.2^{+2.1}_{-1.8} \times 10^{-40}$ cm$^2$. This corresponds to a value that is $\sim$41% lower than predicted using the MARLEY event generator with a measured Gamow-Teller strength distribution. In addition, the observed visible spectrum from charged-current scattering on $^{127}$I has been measured between 10 and 55 MeV, and the exclusive zero-neutron and one-or-more-neutron emission cross sections are measured to be $5.2^{+3.4}_{-3.1} \times 10^{-40}$ and $2.2^{+3.5}_{-2.2} \times 10^{-40}$ cm$^2$, respectively. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2305.19594v2-abstract-full').style.display = 'none'; document.getElementById('2305.19594v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 7 March, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 31 May, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 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">10 pages, 7 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 131, 221801 (2023) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2212.11295">arXiv:2212.11295</a> <span> [<a href="https://arxiv.org/pdf/2212.11295">pdf</a>, <a href="https://arxiv.org/format/2212.11295">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="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.108.072001">10.1103/PhysRevD.108.072001 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of ${}^{nat}$Pb($谓_e$,X$n$) production with a stopped-pion neutrino source </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=COHERENT+Collaboration"> COHERENT Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=An%2C+P">P. An</a>, <a href="/search/hep-ex?searchtype=author&query=Awe%2C+C">C. Awe</a>, <a href="/search/hep-ex?searchtype=author&query=Barbeau%2C+P+S">P. S. Barbeau</a>, <a href="/search/hep-ex?searchtype=author&query=Becker%2C+B">B. Becker</a>, <a href="/search/hep-ex?searchtype=author&query=Belling%2C+S+W">S. W. Belling</a>, <a href="/search/hep-ex?searchtype=author&query=Belov%2C+V">V. Belov</a>, <a href="/search/hep-ex?searchtype=author&query=Bernardi%2C+I">I. Bernardi</a>, <a href="/search/hep-ex?searchtype=author&query=Bock%2C+C">C. Bock</a>, <a href="/search/hep-ex?searchtype=author&query=Bolozdynya%2C+A">A. Bolozdynya</a>, <a href="/search/hep-ex?searchtype=author&query=Bouabid%2C+R">R. Bouabid</a>, <a href="/search/hep-ex?searchtype=author&query=Brown%2C+A">A. Brown</a>, <a href="/search/hep-ex?searchtype=author&query=Browning%2C+J">J. Browning</a>, <a href="/search/hep-ex?searchtype=author&query=Cabrera-Palmer%2C+B">B. Cabrera-Palmer</a>, <a href="/search/hep-ex?searchtype=author&query=Cervantes%2C+M">M. Cervantes</a>, <a href="/search/hep-ex?searchtype=author&query=Conley%2C+E">E. Conley</a>, <a href="/search/hep-ex?searchtype=author&query=Daughhetee%2C+J">J. Daughhetee</a>, <a href="/search/hep-ex?searchtype=author&query=Detwiler%2C+J">J. Detwiler</a>, <a href="/search/hep-ex?searchtype=author&query=Ding%2C+K">K. Ding</a>, <a href="/search/hep-ex?searchtype=author&query=Durand%2C+M+R">M. R. Durand</a>, <a href="/search/hep-ex?searchtype=author&query=Efremenko%2C+Y">Y. Efremenko</a>, <a href="/search/hep-ex?searchtype=author&query=Elliott%2C+S+R">S. R. Elliott</a>, <a href="/search/hep-ex?searchtype=author&query=Fabris%2C+L">L. Fabris</a>, <a href="/search/hep-ex?searchtype=author&query=Febbraro%2C+M">M. Febbraro</a>, <a href="/search/hep-ex?searchtype=author&query=Rosso%2C+A+G">A. Gallo Rosso</a> , et al. (62 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2212.11295v2-abstract-short" style="display: inline;"> Using neutrinos produced at the Spallation Neutron Source (SNS) at Oak Ridge National Laboratory (ORNL), the COHERENT collaboration has studied the Pb($谓_e$,X$n$) process with a lead neutrino-induced-neutron (NIN) detector. Data from this detector are fit jointly with previously collected COHERENT data on this process. A combined analysis of the two datasets yields a cross section that is… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2212.11295v2-abstract-full').style.display = 'inline'; document.getElementById('2212.11295v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2212.11295v2-abstract-full" style="display: none;"> Using neutrinos produced at the Spallation Neutron Source (SNS) at Oak Ridge National Laboratory (ORNL), the COHERENT collaboration has studied the Pb($谓_e$,X$n$) process with a lead neutrino-induced-neutron (NIN) detector. Data from this detector are fit jointly with previously collected COHERENT data on this process. A combined analysis of the two datasets yields a cross section that is $0.29^{+0.17}_{-0.16}$ times that predicted by the MARLEY event generator using experimentally-measured Gamow-Teller strength distributions, consistent with no NIN events at 1.8$蟽$. This is the first inelastic neutrino-nucleus process COHERENT has studied, among several planned exploiting the high flux of low-energy neutrinos produced at the SNS. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2212.11295v2-abstract-full').style.display = 'none'; document.getElementById('2212.11295v2-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 October, 2023; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 21 December, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">11 pages, 9 figures, version accepted by Phys. Rev. D</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 108, 072001 (2023) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2212.02856">arXiv:2212.02856</a> <span> [<a href="https://arxiv.org/pdf/2212.02856">pdf</a>, <a href="https://arxiv.org/format/2212.02856">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 class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1140/epjc/s10052-023-11354-9">10.1140/epjc/s10052-023-11354-9 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Liquid argon light collection and veto modeling in GERDA Phase II </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=GERDA+collaboration"> GERDA collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Agostini%2C+M">M. Agostini</a>, <a href="/search/hep-ex?searchtype=author&query=Alexander%2C+A">A. Alexander</a>, <a href="/search/hep-ex?searchtype=author&query=Araujo%2C+G+R">G. R. Araujo</a>, <a href="/search/hep-ex?searchtype=author&query=Bakalyarov%2C+A+M">A. M. Bakalyarov</a>, <a href="/search/hep-ex?searchtype=author&query=Balata%2C+M">M. Balata</a>, <a href="/search/hep-ex?searchtype=author&query=Barabanov%2C+I">I. Barabanov</a>, <a href="/search/hep-ex?searchtype=author&query=Baudis%2C+L">L. Baudis</a>, <a href="/search/hep-ex?searchtype=author&query=Bauer%2C+C">C. Bauer</a>, <a href="/search/hep-ex?searchtype=author&query=Belogurov%2C+S">S. Belogurov</a>, <a href="/search/hep-ex?searchtype=author&query=Bettini%2C+A">A. Bettini</a>, <a href="/search/hep-ex?searchtype=author&query=Bezrukov%2C+L">L. Bezrukov</a>, <a href="/search/hep-ex?searchtype=author&query=Biancacci%2C+V">V. Biancacci</a>, <a href="/search/hep-ex?searchtype=author&query=Bossio%2C+E">E. Bossio</a>, <a href="/search/hep-ex?searchtype=author&query=Bothe%2C+V">V. Bothe</a>, <a href="/search/hep-ex?searchtype=author&query=Brugnera%2C+R">R. Brugnera</a>, <a href="/search/hep-ex?searchtype=author&query=Caldwell%2C+A">A. Caldwell</a>, <a href="/search/hep-ex?searchtype=author&query=Calgaro%2C+S">S. Calgaro</a>, <a href="/search/hep-ex?searchtype=author&query=Cattadori%2C+C">C. Cattadori</a>, <a href="/search/hep-ex?searchtype=author&query=Chernogorov%2C+A">A. Chernogorov</a>, <a href="/search/hep-ex?searchtype=author&query=Chiu%2C+P">P-J. Chiu</a>, <a href="/search/hep-ex?searchtype=author&query=Comellato%2C+T">T. Comellato</a>, <a href="/search/hep-ex?searchtype=author&query=D%27Andrea%2C+V">V. D'Andrea</a>, <a href="/search/hep-ex?searchtype=author&query=Demidova%2C+E+V">E. V. Demidova</a>, <a href="/search/hep-ex?searchtype=author&query=Di+Giacinto%2C+A">A. Di Giacinto</a> , et al. (94 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2212.02856v1-abstract-short" style="display: inline;"> The ability to detect liquid argon scintillation light from within a densely packed high-purity germanium detector array allowed the GERDA experiment to reach an exceptionally low background rate in the search for neutrinoless double beta decay of $^{76}$Ge. Proper modeling of the light propagation throughout the experimental setup, from any origin in the liquid argon volume to its eventual detect… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2212.02856v1-abstract-full').style.display = 'inline'; document.getElementById('2212.02856v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2212.02856v1-abstract-full" style="display: none;"> The ability to detect liquid argon scintillation light from within a densely packed high-purity germanium detector array allowed the GERDA experiment to reach an exceptionally low background rate in the search for neutrinoless double beta decay of $^{76}$Ge. Proper modeling of the light propagation throughout the experimental setup, from any origin in the liquid argon volume to its eventual detection by the novel light read-out system, provides insight into the rejection capability and is a necessary ingredient to obtain robust background predictions. In this paper, we present a model of the GERDA liquid argon veto, as obtained by Monte Carlo simulations and constrained by calibration data, and highlight its application for background decomposition. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2212.02856v1-abstract-full').style.display = 'none'; document.getElementById('2212.02856v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 6 December, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2022. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2209.01671">arXiv:2209.01671</a> <span> [<a href="https://arxiv.org/pdf/2209.01671">pdf</a>, <a href="https://arxiv.org/format/2209.01671">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> </div> </div> <p class="title is-5 mathjax"> Search for exotic physics in double-$尾$ decays with GERDA Phase II </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=The+GERDA+collaboration"> The GERDA collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Agostini%2C+M">M. Agostini</a>, <a href="/search/hep-ex?searchtype=author&query=Alexander%2C+A">A. Alexander</a>, <a href="/search/hep-ex?searchtype=author&query=Araujo%2C+G">G. Araujo</a>, <a href="/search/hep-ex?searchtype=author&query=Bakalyarov%2C+A+M">A. M. Bakalyarov</a>, <a href="/search/hep-ex?searchtype=author&query=Balata%2C+M">M. Balata</a>, <a href="/search/hep-ex?searchtype=author&query=Barabanov%2C+I">I. Barabanov</a>, <a href="/search/hep-ex?searchtype=author&query=Baudis%2C+L">L. Baudis</a>, <a href="/search/hep-ex?searchtype=author&query=Bauer%2C+C">C. Bauer</a>, <a href="/search/hep-ex?searchtype=author&query=Belogurov%2C+S">S. Belogurov</a>, <a href="/search/hep-ex?searchtype=author&query=Bettini%2C+A">A. Bettini</a>, <a href="/search/hep-ex?searchtype=author&query=Bezrukov%2C+L">L. Bezrukov</a>, <a href="/search/hep-ex?searchtype=author&query=Biancacci%2C+V">V. Biancacci</a>, <a href="/search/hep-ex?searchtype=author&query=Bossio%2C+E">E. Bossio</a>, <a href="/search/hep-ex?searchtype=author&query=Bothe%2C+V">V. Bothe</a>, <a href="/search/hep-ex?searchtype=author&query=Brugnera%2C+R">R. Brugnera</a>, <a href="/search/hep-ex?searchtype=author&query=Caldwell%2C+A">A. Caldwell</a>, <a href="/search/hep-ex?searchtype=author&query=Cattadori%2C+C">C. Cattadori</a>, <a href="/search/hep-ex?searchtype=author&query=Chernogorov%2C+A">A. Chernogorov</a>, <a href="/search/hep-ex?searchtype=author&query=Comellato%2C+T">T. Comellato</a>, <a href="/search/hep-ex?searchtype=author&query=D%27Andrea%2C+V">V. D'Andrea</a>, <a href="/search/hep-ex?searchtype=author&query=Demidova%2C+E+V">E. V. Demidova</a>, <a href="/search/hep-ex?searchtype=author&query=Di+Giacinto%2C+A">A. Di Giacinto</a>, <a href="/search/hep-ex?searchtype=author&query=Di+Marco%2C+N">N. Di Marco</a>, <a href="/search/hep-ex?searchtype=author&query=Doroshkevich%2C+E">E. Doroshkevich</a> , et al. (89 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="2209.01671v1-abstract-short" style="display: inline;"> A search for Beyond the Standard Model double-$尾$ decay modes of $^{76}$Ge has been performed with data collected during the Phase II of the GERmanium Detector Array (GERDA) experiment, located at Laboratori Nazionali del Gran Sasso of INFN (Italy). Improved limits on the decays involving Majorons have been obtained, compared to previous experiments with $^{76}$Ge, with half-life values on the ord… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2209.01671v1-abstract-full').style.display = 'inline'; document.getElementById('2209.01671v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2209.01671v1-abstract-full" style="display: none;"> A search for Beyond the Standard Model double-$尾$ decay modes of $^{76}$Ge has been performed with data collected during the Phase II of the GERmanium Detector Array (GERDA) experiment, located at Laboratori Nazionali del Gran Sasso of INFN (Italy). Improved limits on the decays involving Majorons have been obtained, compared to previous experiments with $^{76}$Ge, with half-life values on the order of 10$^{23}$ yr. For the first time with $^{76}$Ge, limits on Lorentz invariance violation effects in double-$尾$ decay have been obtained. The isotropic coefficient $\mathring{a}_\text{of}^{(3)}$, which embeds Lorentz violation in double-$尾$ decay, has been constrained at the order of $10^{-6}$ GeV. We also set the first experimental limits on the search for light exotic fermions in double-$尾$ decay, including sterile neutrinos. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2209.01671v1-abstract-full').style.display = 'none'; document.getElementById('2209.01671v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 4 September, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2022. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2204.03540">arXiv:2204.03540</a> <span> [<a href="https://arxiv.org/pdf/2204.03540">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> <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/10.1088/1361-6471/ac9249">10.1088/1361-6471/ac9249 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Identification of radiopure tungsten for low background applications </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Hakenm%C3%BCller%2C+J">J. Hakenm眉ller</a>, <a href="/search/hep-ex?searchtype=author&query=Maneschg%2C+W">W. Maneschg</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="2204.03540v1-abstract-short" style="display: inline;"> In this article we explore the availability of radiopure tungsten and its potential as high density shield material for low background applications. For compact shield designs, conventionally, lead is used. Metallic tungsten and tungsten pseudo-alloys reach higher densities up to 19.3 gcm$^{-3}$ and do not exhibit a significant $^{210}$Pb activity, which is a typical intrinsic contamination in lea… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2204.03540v1-abstract-full').style.display = 'inline'; document.getElementById('2204.03540v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2204.03540v1-abstract-full" style="display: none;"> In this article we explore the availability of radiopure tungsten and its potential as high density shield material for low background applications. For compact shield designs, conventionally, lead is used. Metallic tungsten and tungsten pseudo-alloys reach higher densities up to 19.3 gcm$^{-3}$ and do not exhibit a significant $^{210}$Pb activity, which is a typical intrinsic contamination in lead. Within several $纬$-ray screening campaigns we were able to identify tungsten samples with activities similar or better than 1 mBqkg$^{-1}$ in $^{232}$Th, $^{40}$K, $^{60}$Co and the second part of the $^{238}$U decay chain. In cooperation with a manufacturer we further reduced a persisting contamination in the first part of the $^{238}$U decay chain by a factor of $\sim$2.5 down to (305$\pm$30) mBqkg$^{-1}$. With Monte Carlo simulations, the construction of prototype tungsten-based setups and dedicated measurements, the shield capability of tungsten in comparison to lead was extensively studied. Specifically, the impact of cosmogenic radiation on the background at shallow depth was investigated. We showed that a 6-40% reduction (depending on the exact shield configuration) in the muon-induced neutron fluence is achievable by replacing lead with an equivalent amount of tungsten regarding the suppression of external $纬$-radiation. Overall, many benefits using tungsten especially for low energy applications below a few 100 keV are found. The pseudo-tungsten alloy presented in this work paves the way for several applications especially regarding background suppression in particle and astroparticle physics search programs. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2204.03540v1-abstract-full').style.display = 'none'; document.getElementById('2204.03540v1-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 April, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">17 pages, 15 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> J. Phys. G: Nucl. Part. Phys. 49 (2022) 115201 (26pp) (from 17 October 2022) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2203.07361">arXiv:2203.07361</a> <span> [<a href="https://arxiv.org/pdf/2203.07361">pdf</a>, <a href="https://arxiv.org/format/2203.07361">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 Astrophysical Phenomena">astro-ph.HE</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> </div> <p class="title is-5 mathjax"> Coherent elastic neutrino-nucleus scattering: Terrestrial and astrophysical applications </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Abdullah%2C+M">M. Abdullah</a>, <a href="/search/hep-ex?searchtype=author&query=Abele%2C+H">H. Abele</a>, <a href="/search/hep-ex?searchtype=author&query=Akimov%2C+D">D. Akimov</a>, <a href="/search/hep-ex?searchtype=author&query=Angloher%2C+G">G. Angloher</a>, <a href="/search/hep-ex?searchtype=author&query=Aristizabal-Sierra%2C+D">D. Aristizabal-Sierra</a>, <a href="/search/hep-ex?searchtype=author&query=Augier%2C+C">C. Augier</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=Balogh%2C+L">L. Balogh</a>, <a href="/search/hep-ex?searchtype=author&query=Barbeau%2C+P+S">P. S. Barbeau</a>, <a href="/search/hep-ex?searchtype=author&query=Baudis%2C+L">L. Baudis</a>, <a href="/search/hep-ex?searchtype=author&query=Baxter%2C+A+L">A. L. Baxter</a>, <a href="/search/hep-ex?searchtype=author&query=Beaufort%2C+C">C. Beaufort</a>, <a href="/search/hep-ex?searchtype=author&query=Beaulieu%2C+G">G. Beaulieu</a>, <a href="/search/hep-ex?searchtype=author&query=Belov%2C+V">V. Belov</a>, <a href="/search/hep-ex?searchtype=author&query=Bento%2C+A">A. Bento</a>, <a href="/search/hep-ex?searchtype=author&query=Berge%2C+L">L. Berge</a>, <a href="/search/hep-ex?searchtype=author&query=Bernardi%2C+I+A">I. A. Bernardi</a>, <a href="/search/hep-ex?searchtype=author&query=Billard%2C+J">J. Billard</a>, <a href="/search/hep-ex?searchtype=author&query=Bolozdynya%2C+A">A. Bolozdynya</a>, <a href="/search/hep-ex?searchtype=author&query=Bonhomme%2C+A">A. Bonhomme</a>, <a href="/search/hep-ex?searchtype=author&query=Bres%2C+G">G. Bres</a>, <a href="/search/hep-ex?searchtype=author&query=Bret%2C+J+L">J-. L. Bret</a>, <a href="/search/hep-ex?searchtype=author&query=Broniatowski%2C+A">A. Broniatowski</a>, <a href="/search/hep-ex?searchtype=author&query=Brossard%2C+A">A. Brossard</a>, <a href="/search/hep-ex?searchtype=author&query=Buck%2C+C">C. Buck</a> , et al. (250 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="2203.07361v1-abstract-short" style="display: inline;"> Coherent elastic neutrino-nucleus scattering (CE$谓$NS) is a process in which neutrinos scatter on a nucleus which acts as a single particle. Though the total cross section is large by neutrino standards, CE$谓$NS has long proven difficult to detect, since the deposited energy into the nucleus is $\sim$ keV. In 2017, the COHERENT collaboration announced the detection of CE$谓$NS using a stopped-pion… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.07361v1-abstract-full').style.display = 'inline'; document.getElementById('2203.07361v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2203.07361v1-abstract-full" style="display: none;"> Coherent elastic neutrino-nucleus scattering (CE$谓$NS) is a process in which neutrinos scatter on a nucleus which acts as a single particle. Though the total cross section is large by neutrino standards, CE$谓$NS has long proven difficult to detect, since the deposited energy into the nucleus is $\sim$ keV. In 2017, the COHERENT collaboration announced the detection of CE$谓$NS using a stopped-pion source with CsI detectors, followed up the detection of CE$谓$NS using an Ar target. The detection of CE$谓$NS has spawned a flurry of activities in high-energy physics, inspiring new constraints on beyond the Standard Model (BSM) physics, and new experimental methods. The CE$谓$NS process has important implications for not only high-energy physics, but also astrophysics, nuclear physics, and beyond. This whitepaper discusses the scientific importance of CE$谓$NS, highlighting how present experiments such as COHERENT are informing theory, and also how future experiments will provide a wealth of information across the aforementioned fields of physics. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.07361v1-abstract-full').style.display = 'none'; document.getElementById('2203.07361v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 14 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 Snowmasss 2021. Contact authors: P. S. Barbeau, R. Strauss, L. E. Strigari</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2202.03754">arXiv:2202.03754</a> <span> [<a href="https://arxiv.org/pdf/2202.03754">pdf</a>, <a href="https://arxiv.org/format/2202.03754">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 class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1140/epjc/s10052-022-10768-1">10.1140/epjc/s10052-022-10768-1 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Direct measurement of the ionization quenching factor of nuclear recoils in germanium in the keV energy range </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Bonhomme%2C+A">A. Bonhomme</a>, <a href="/search/hep-ex?searchtype=author&query=Bonet%2C+H">H. Bonet</a>, <a href="/search/hep-ex?searchtype=author&query=Buck%2C+C">C. Buck</a>, <a href="/search/hep-ex?searchtype=author&query=Hakenm%C3%BCller%2C+J">J. Hakenm眉ller</a>, <a href="/search/hep-ex?searchtype=author&query=Heusser%2C+G">G. Heusser</a>, <a href="/search/hep-ex?searchtype=author&query=Hugle%2C+T">T. Hugle</a>, <a href="/search/hep-ex?searchtype=author&query=Lindner%2C+M">M. Lindner</a>, <a href="/search/hep-ex?searchtype=author&query=Maneschg%2C+W">W. Maneschg</a>, <a href="/search/hep-ex?searchtype=author&query=Nolte%2C+R">R. Nolte</a>, <a href="/search/hep-ex?searchtype=author&query=Rink%2C+T">T. Rink</a>, <a href="/search/hep-ex?searchtype=author&query=Pirovano%2C+E">E. Pirovano</a>, <a href="/search/hep-ex?searchtype=author&query=Strecker%2C+H">H. Strecker</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="2202.03754v2-abstract-short" style="display: inline;"> This article reports the measurement of the ionization quenching factor in germanium for nuclear recoil energies between 0.4 and 6.3 keV$_{nr}$. Precise knowledge of this factor in this energy range is relevant for coherent elastic neutrino-nucleus scattering and low mass dark matter searches with germanium-based detectors. Nuclear recoils were produced in a thin high-purity germanium target with… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2202.03754v2-abstract-full').style.display = 'inline'; document.getElementById('2202.03754v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2202.03754v2-abstract-full" style="display: none;"> This article reports the measurement of the ionization quenching factor in germanium for nuclear recoil energies between 0.4 and 6.3 keV$_{nr}$. Precise knowledge of this factor in this energy range is relevant for coherent elastic neutrino-nucleus scattering and low mass dark matter searches with germanium-based detectors. Nuclear recoils were produced in a thin high-purity germanium target with a very low energy threshold via irradiation with monoenergetic neutron beams. The energy dependence of the ionization quenching factor was directly measured via kinematically constrained coincidences with surrounding liquid scintillator based neutron detectors. The systematic uncertainties of the measurements are discussed in detail. With measured quenching factors between 0.16 and 0.23 in the [0.4, 6.3] keV$_{nr}$ energy range, the data are compatible with the Lindhard theory with a parameter $k$ of 0.162 $\pm$ 0.004 (stat+sys). <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2202.03754v2-abstract-full').style.display = 'none'; document.getElementById('2202.03754v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 19 September, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 8 February, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Eur. Phys. J. C 82, 815 (2022) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2201.12257">arXiv:2201.12257</a> <span> [<a href="https://arxiv.org/pdf/2201.12257">pdf</a>, <a href="https://arxiv.org/format/2201.12257">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1140/epjc/s10052-022-10722-1">10.1140/epjc/s10052-022-10722-1 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> First upper limits on neutrino electromagnetic properties from the CONUS experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Bonet%2C+H">H. Bonet</a>, <a href="/search/hep-ex?searchtype=author&query=Bonhomme%2C+A">A. Bonhomme</a>, <a href="/search/hep-ex?searchtype=author&query=Buck%2C+C">C. Buck</a>, <a href="/search/hep-ex?searchtype=author&query=F%C3%BClber%2C+K">K. F眉lber</a>, <a href="/search/hep-ex?searchtype=author&query=Hakenm%C3%BCller%2C+J">J. Hakenm眉ller</a>, <a href="/search/hep-ex?searchtype=author&query=Hempfling%2C+J">J. Hempfling</a>, <a href="/search/hep-ex?searchtype=author&query=Heusser%2C+G">G. Heusser</a>, <a href="/search/hep-ex?searchtype=author&query=Hugle%2C+T">T. Hugle</a>, <a href="/search/hep-ex?searchtype=author&query=Lindner%2C+M">M. Lindner</a>, <a href="/search/hep-ex?searchtype=author&query=Maneschg%2C+W">W. Maneschg</a>, <a href="/search/hep-ex?searchtype=author&query=Rink%2C+T">T. Rink</a>, <a href="/search/hep-ex?searchtype=author&query=Strecker%2C+H">H. Strecker</a>, <a href="/search/hep-ex?searchtype=author&query=Wink%2C+R">R. Wink</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="2201.12257v2-abstract-short" style="display: inline;"> We report first constraints on neutrino electromagnetic properties from neutrino-electron scattering using data obtained from the CONUS germanium detectors, i.e. an upper limit on the effective neutrino magnetic moment and an upper limit on the effective neutrino millicharge. The electron antineutrinos are emitted from the 3.9 GW$_\mathrm{th}$ reactor core of the Brokdorf nuclear power plant in Ge… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2201.12257v2-abstract-full').style.display = 'inline'; document.getElementById('2201.12257v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2201.12257v2-abstract-full" style="display: none;"> We report first constraints on neutrino electromagnetic properties from neutrino-electron scattering using data obtained from the CONUS germanium detectors, i.e. an upper limit on the effective neutrino magnetic moment and an upper limit on the effective neutrino millicharge. The electron antineutrinos are emitted from the 3.9 GW$_\mathrm{th}$ reactor core of the Brokdorf nuclear power plant in Germany. The CONUS low background detectors are positioned at 17.1 m distance from the reactor core center. The analyzed data set includes 689.1 kg$\cdot$d collected during reactor ON periods and 131.0 kg$\cdot$d collected during reactor OFF periods in the energy range of 2 to 8 keV$_{ee}$. With the current statistics, we are able to determine an upper limit on the effective neutrino magnetic moment $渭_谓< 7.5\cdot10^{-11}\,渭_B$ at 90% confidence level. From this first magnetic moment limit we can derive an upper bound on the neutrino millicharge of $\vert q_谓\vert < 3.3\cdot10^{-12}\,e_0$. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2201.12257v2-abstract-full').style.display = 'none'; document.getElementById('2201.12257v2-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> 29 January, 2023; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 28 January, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 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">6 pages, 3 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> The European Physical Journal C 82.9 (2022): 813 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2110.02174">arXiv:2110.02174</a> <span> [<a href="https://arxiv.org/pdf/2110.02174">pdf</a>, <a href="https://arxiv.org/format/2110.02174">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 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/JHEP05(2022)085">10.1007/JHEP05(2022)085 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Novel constraints on neutrino physics beyond the standard model from the CONUS experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=CONUS+Collaboration"> CONUS Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Bonet%2C+H">H. Bonet</a>, <a href="/search/hep-ex?searchtype=author&query=Bonhomme%2C+A">A. Bonhomme</a>, <a href="/search/hep-ex?searchtype=author&query=Buck%2C+C">C. Buck</a>, <a href="/search/hep-ex?searchtype=author&query=F%C3%BClber%2C+K">K. F眉lber</a>, <a href="/search/hep-ex?searchtype=author&query=Hakenm%C3%BCller%2C+J">J. Hakenm眉ller</a>, <a href="/search/hep-ex?searchtype=author&query=Heusser%2C+G">G. Heusser</a>, <a href="/search/hep-ex?searchtype=author&query=Hugle%2C+T">T. Hugle</a>, <a href="/search/hep-ex?searchtype=author&query=Lindner%2C+M">M. Lindner</a>, <a href="/search/hep-ex?searchtype=author&query=Maneschg%2C+W">W. Maneschg</a>, <a href="/search/hep-ex?searchtype=author&query=Rink%2C+T">T. Rink</a>, <a href="/search/hep-ex?searchtype=author&query=Strecker%2C+H">H. Strecker</a>, <a href="/search/hep-ex?searchtype=author&query=Wink%2C+R">R. Wink</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="2110.02174v2-abstract-short" style="display: inline;"> The measurements of coherent elastic neutrino-nucleus scattering (CE$谓$NS) experiments have opened up the possibility to constrain neutrino physics beyond the standard model of elementary particle physics. Furthermore, by considering neutrino-electron scattering in the keV-energy region, it is possible to set additional limits on new physics processes. Here, we present constraints that are derived… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2110.02174v2-abstract-full').style.display = 'inline'; document.getElementById('2110.02174v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2110.02174v2-abstract-full" style="display: none;"> The measurements of coherent elastic neutrino-nucleus scattering (CE$谓$NS) experiments have opened up the possibility to constrain neutrino physics beyond the standard model of elementary particle physics. Furthermore, by considering neutrino-electron scattering in the keV-energy region, it is possible to set additional limits on new physics processes. Here, we present constraints that are derived from CONUS germanium data on beyond the standard model (BSM) processes like tensor and vector non-standard interactions (NSIs) in the neutrino-quark sector, as well as light vector and scalar mediators. Thanks to the realized low background levels in the CONUS experiment at ionization energies below 1 keV, we are able to set the world's best limits on tensor NSIs from CE$谓$NS and constrain the scale of corresponding new physics to lie above 360 GeV. For vector NSIs, the derived limits strongly depend on the assumed ionization quenching factor within the detector material, since small quenching factors largely suppress potential signals for both, the expected standard model CE$谓$NS process and the vector NSIs. Furthermore, competitive limits on scalar and vector mediators are obtained from the CE$谓$NS channel at reactor-site which allow to probe coupling constants as low as $5\cdot10^{-5}$ of low mediator masses, assuming the currently favored quenching factor regime. The consideration of neutrino-electron scatterings allows to set even stronger constraints for mediator masses below $\sim1$ MeV and $\sim 10$ MeV for scalar and vector mediators, respectively. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2110.02174v2-abstract-full').style.display = 'none'; document.getElementById('2110.02174v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 23 May, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 5 October, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 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">35 pages, 6 figures, 3 tables; v2: Figure 2 and further references added, other CE$谓$NS limits included in result plots, matches published version in JHEP</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> JHEP 05 (2022) 085 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2011.00210">arXiv:2011.00210</a> <span> [<a href="https://arxiv.org/pdf/2011.00210">pdf</a>, <a href="https://arxiv.org/format/2011.00210">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="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevLett.126.041804">10.1103/PhysRevLett.126.041804 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Constraints on elastic neutrino nucleus scattering in the fully coherent regime from the CONUS experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Bonet%2C+H">H. Bonet</a>, <a href="/search/hep-ex?searchtype=author&query=Bonhomme%2C+A">A. Bonhomme</a>, <a href="/search/hep-ex?searchtype=author&query=Buck%2C+C">C. Buck</a>, <a href="/search/hep-ex?searchtype=author&query=F%C3%BClber%2C+K">K. F眉lber</a>, <a href="/search/hep-ex?searchtype=author&query=Hakenm%C3%BCller%2C+J">J. Hakenm眉ller</a>, <a href="/search/hep-ex?searchtype=author&query=Heusser%2C+G">G. Heusser</a>, <a href="/search/hep-ex?searchtype=author&query=Hugle%2C+T">T. Hugle</a>, <a href="/search/hep-ex?searchtype=author&query=Lindner%2C+M">M. Lindner</a>, <a href="/search/hep-ex?searchtype=author&query=Maneschg%2C+W">W. Maneschg</a>, <a href="/search/hep-ex?searchtype=author&query=Rink%2C+T">T. Rink</a>, <a href="/search/hep-ex?searchtype=author&query=Strecker%2C+H">H. Strecker</a>, <a href="/search/hep-ex?searchtype=author&query=Wink%2C+R">R. Wink</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="2011.00210v2-abstract-short" style="display: inline;"> We report the best limit on coherent elastic scattering of electron antineutrinos emitted from a nuclear reactor off germanium nuclei. The measurement was performed with the CONUS detectors positioned at 17.1m from the 3.9GWth reactor core of the nuclear power plant in Brokdorf, Germany. The antineutrino energies of less than 10 MeV assure interactions in the fully coherent regime. The analyzed da… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2011.00210v2-abstract-full').style.display = 'inline'; document.getElementById('2011.00210v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2011.00210v2-abstract-full" style="display: none;"> We report the best limit on coherent elastic scattering of electron antineutrinos emitted from a nuclear reactor off germanium nuclei. The measurement was performed with the CONUS detectors positioned at 17.1m from the 3.9GWth reactor core of the nuclear power plant in Brokdorf, Germany. The antineutrino energies of less than 10 MeV assure interactions in the fully coherent regime. The analyzed dataset includes 248.7 kgd with the reactor turned on and background data of 58.8 kgd with the reactor off. With a quenching parameter of k = 0.18 for germanium, we determined an upper limit on the number of neutrino events of 85 in the region of interest at 90% confidence level. This new CONUS dataset disfavors quenching parameters above k = 0.27, under the assumption of standard-model-like coherent scattering of the reactor antineutrinos. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2011.00210v2-abstract-full').style.display = 'none'; document.getElementById('2011.00210v2-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 February, 2021; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 31 October, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 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">6 pages, 4 figures, 1 table</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 126, 041804 (2021) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2009.06079">arXiv:2009.06079</a> <span> [<a href="https://arxiv.org/pdf/2009.06079">pdf</a>, <a href="https://arxiv.org/format/2009.06079">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/PhysRevLett.125.252502">10.1103/PhysRevLett.125.252502 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Final Results of GERDA on the Search for Neutrinoless Double-$尾$ Decay </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=GERDA+collaboration"> GERDA collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Agostini%2C+M">M. Agostini</a>, <a href="/search/hep-ex?searchtype=author&query=Araujo%2C+G+R">G. R. Araujo</a>, <a href="/search/hep-ex?searchtype=author&query=Bakalyarov%2C+A+M">A. M. Bakalyarov</a>, <a href="/search/hep-ex?searchtype=author&query=Balata%2C+M">M. Balata</a>, <a href="/search/hep-ex?searchtype=author&query=Barabanov%2C+I">I. Barabanov</a>, <a href="/search/hep-ex?searchtype=author&query=Baudis%2C+L">L. Baudis</a>, <a href="/search/hep-ex?searchtype=author&query=Bauer%2C+C">C. Bauer</a>, <a href="/search/hep-ex?searchtype=author&query=Bellotti%2C+E">E. Bellotti</a>, <a href="/search/hep-ex?searchtype=author&query=Belogurov%2C+S">S. Belogurov</a>, <a href="/search/hep-ex?searchtype=author&query=Bettini%2C+A">A. Bettini</a>, <a href="/search/hep-ex?searchtype=author&query=Bezrukov%2C+L">L. Bezrukov</a>, <a href="/search/hep-ex?searchtype=author&query=Biancacci%2C+V">V. Biancacci</a>, <a href="/search/hep-ex?searchtype=author&query=Borowicz%2C+D">D. Borowicz</a>, <a href="/search/hep-ex?searchtype=author&query=Bossio%2C+E">E. Bossio</a>, <a href="/search/hep-ex?searchtype=author&query=Bothe%2C+V">V. Bothe</a>, <a href="/search/hep-ex?searchtype=author&query=Brudanin%2C+V">V. Brudanin</a>, <a href="/search/hep-ex?searchtype=author&query=Brugnera%2C+R">R. Brugnera</a>, <a href="/search/hep-ex?searchtype=author&query=Caldwell%2C+A">A. Caldwell</a>, <a href="/search/hep-ex?searchtype=author&query=Cattadori%2C+C">C. Cattadori</a>, <a href="/search/hep-ex?searchtype=author&query=Chernogorov%2C+A">A. Chernogorov</a>, <a href="/search/hep-ex?searchtype=author&query=Comellato%2C+T">T. Comellato</a>, <a href="/search/hep-ex?searchtype=author&query=D%27Andrea%2C+V">V. D'Andrea</a>, <a href="/search/hep-ex?searchtype=author&query=Demidova%2C+E+V">E. V. Demidova</a>, <a href="/search/hep-ex?searchtype=author&query=Di+Marco%2C+N">N. Di Marco</a> , et al. (90 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="2009.06079v1-abstract-short" style="display: inline;"> The GERmanium Detector Array (GERDA) experiment searched for the lepton-number-violating neutrinoless double-$尾$ ($0谓尾尾$) decay of $^{76}$Ge, whose discovery would have far-reaching implications in cosmology and particle physics. By operating bare germanium diodes, enriched in $^{76}$Ge, in an active liquid argon shield, GERDA achieved an unprecedently low background index of $5.2\times10^{-4}$ co… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2009.06079v1-abstract-full').style.display = 'inline'; document.getElementById('2009.06079v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2009.06079v1-abstract-full" style="display: none;"> The GERmanium Detector Array (GERDA) experiment searched for the lepton-number-violating neutrinoless double-$尾$ ($0谓尾尾$) decay of $^{76}$Ge, whose discovery would have far-reaching implications in cosmology and particle physics. By operating bare germanium diodes, enriched in $^{76}$Ge, in an active liquid argon shield, GERDA achieved an unprecedently low background index of $5.2\times10^{-4}$ counts/(keV$\cdot$kg$\cdot$yr) in the signal region and met the design goal to collect an exposure of 100 kg$\cdot$yr in a background-free regime. When combined with the result of Phase I, no signal is observed after 127.2 kg$\cdot$yr of total exposure. A limit on the half-life of $0谓尾尾$ decay in $^{76}$Ge is set at $T_{1/2}>1.8\times10^{26}$ yr at 90% C.L., which coincides with the sensitivity assuming no signal. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2009.06079v1-abstract-full').style.display = 'none'; document.getElementById('2009.06079v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 13 September, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 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">7 pages, 3 figures, submitted to Physical Review Letters</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 125, 252502 (2020) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2005.14184">arXiv:2005.14184</a> <span> [<a href="https://arxiv.org/pdf/2005.14184">pdf</a>, <a href="https://arxiv.org/format/2005.14184">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="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevLett.125.011801">10.1103/PhysRevLett.125.011801 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The first search for bosonic super-WIMPs with masses up to 1 MeV/c$^2$ with GERDA </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=GERDA+collaboration"> GERDA collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Agostini%2C+M">M. Agostini</a>, <a href="/search/hep-ex?searchtype=author&query=Bakalyarov%2C+A+M">A. M. Bakalyarov</a>, <a href="/search/hep-ex?searchtype=author&query=Balata%2C+M">M. Balata</a>, <a href="/search/hep-ex?searchtype=author&query=Barabanov%2C+I">I. Barabanov</a>, <a href="/search/hep-ex?searchtype=author&query=Baudis%2C+L">L. Baudis</a>, <a href="/search/hep-ex?searchtype=author&query=Bauer%2C+C">C. Bauer</a>, <a href="/search/hep-ex?searchtype=author&query=Bellotti%2C+E">E. Bellotti</a>, <a href="/search/hep-ex?searchtype=author&query=Belogurov%2C+S">S. Belogurov</a>, <a href="/search/hep-ex?searchtype=author&query=Bettini%2C+A">A. Bettini</a>, <a href="/search/hep-ex?searchtype=author&query=Bezrukov%2C+L">L. Bezrukov</a>, <a href="/search/hep-ex?searchtype=author&query=Borowicz%2C+D">D. Borowicz</a>, <a href="/search/hep-ex?searchtype=author&query=Bossio%2C+E">E. Bossio</a>, <a href="/search/hep-ex?searchtype=author&query=Bothe%2C+V">V. Bothe</a>, <a href="/search/hep-ex?searchtype=author&query=Brudanin%2C+V">V. Brudanin</a>, <a href="/search/hep-ex?searchtype=author&query=Brugnera%2C+R">R. Brugnera</a>, <a href="/search/hep-ex?searchtype=author&query=Caldwell%2C+A">A. Caldwell</a>, <a href="/search/hep-ex?searchtype=author&query=Cattadori%2C+C">C. Cattadori</a>, <a href="/search/hep-ex?searchtype=author&query=Chernogorov%2C+A">A. Chernogorov</a>, <a href="/search/hep-ex?searchtype=author&query=Comellato%2C+T">T. Comellato</a>, <a href="/search/hep-ex?searchtype=author&query=D%27Andrea%2C+V">V. D'Andrea</a>, <a href="/search/hep-ex?searchtype=author&query=Demidova%2C+E+V">E. V. Demidova</a>, <a href="/search/hep-ex?searchtype=author&query=Di+Marco%2C+N">N. Di Marco</a>, <a href="/search/hep-ex?searchtype=author&query=Doroshkevich%2C+E">E. Doroshkevich</a>, <a href="/search/hep-ex?searchtype=author&query=Egorov%2C+V">V. Egorov</a> , et al. (84 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="2005.14184v2-abstract-short" style="display: inline;"> We present the first search for bosonic super-WIMPs as keV-scale dark matter candidates performed with the GERDA experiment. GERDA is a neutrinoless double-beta decay experiment which operates high-purity germanium detectors enriched in $^{76}$Ge in an ultra-low background environment at the Laboratori Nazionali del Gran Sasso (LNGS) of INFN in Italy. Searches were performed for pseudoscalar and v… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2005.14184v2-abstract-full').style.display = 'inline'; document.getElementById('2005.14184v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2005.14184v2-abstract-full" style="display: none;"> We present the first search for bosonic super-WIMPs as keV-scale dark matter candidates performed with the GERDA experiment. GERDA is a neutrinoless double-beta decay experiment which operates high-purity germanium detectors enriched in $^{76}$Ge in an ultra-low background environment at the Laboratori Nazionali del Gran Sasso (LNGS) of INFN in Italy. Searches were performed for pseudoscalar and vector particles in the mass region from 60 keV/c$^2$ to 1 MeV/c$^2$. No evidence for a dark matter signal was observed, and the most stringent constraints on the couplings of super-WIMPs with masses above 120 keV/c$^2$ have been set. As an example, at a mass of 150 keV/c$^2$ the most stringent direct limits on the dimensionless couplings of axion-like particles and dark photons to electrons of $g_{ae} < 3 \cdot 10^{-12}$ and ${伪'}/伪 < 6.5 \cdot 10^{-24}$ at 90% credible interval, respectively, were obtained. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2005.14184v2-abstract-full').style.display = 'none'; document.getElementById('2005.14184v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 11 June, 2020; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 28 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">6 pages, 3 figures, submitted to Physical Review Letters, added list of authors, updated ref. [21]</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 125, 011801 (2020) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1909.02726">arXiv:1909.02726</a> <span> [<a href="https://arxiv.org/pdf/1909.02726">pdf</a>, <a href="https://arxiv.org/format/1909.02726">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="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/10.1126/science.aav8613">10.1126/science.aav8613 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Probing Majorana neutrinos with double-$尾$ decay </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=GERDA+collaboration"> GERDA collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Agostini%2C+M">M. Agostini</a>, <a href="/search/hep-ex?searchtype=author&query=Bakalyarov%2C+A+M">A. M. Bakalyarov</a>, <a href="/search/hep-ex?searchtype=author&query=Balata%2C+M">M. Balata</a>, <a href="/search/hep-ex?searchtype=author&query=Barabanov%2C+I">I. Barabanov</a>, <a href="/search/hep-ex?searchtype=author&query=Baudis%2C+L">L. Baudis</a>, <a href="/search/hep-ex?searchtype=author&query=Bauer%2C+C">C. Bauer</a>, <a href="/search/hep-ex?searchtype=author&query=Bellotti%2C+E">E. Bellotti</a>, <a href="/search/hep-ex?searchtype=author&query=Belogurov%2C+S">S. Belogurov</a>, <a href="/search/hep-ex?searchtype=author&query=Bettini%2C+A">A. Bettini</a>, <a href="/search/hep-ex?searchtype=author&query=Bezrukov%2C+L">L. Bezrukov</a>, <a href="/search/hep-ex?searchtype=author&query=Borowicz%2C+D">D. Borowicz</a>, <a href="/search/hep-ex?searchtype=author&query=Brudanin%2C+V">V. Brudanin</a>, <a href="/search/hep-ex?searchtype=author&query=Brugnera%2C+R">R. Brugnera</a>, <a href="/search/hep-ex?searchtype=author&query=Caldwell%2C+A">A. Caldwell</a>, <a href="/search/hep-ex?searchtype=author&query=Cattadori%2C+C">C. Cattadori</a>, <a href="/search/hep-ex?searchtype=author&query=Chernogorov%2C+A">A. Chernogorov</a>, <a href="/search/hep-ex?searchtype=author&query=Comellato%2C+T">T. Comellato</a>, <a href="/search/hep-ex?searchtype=author&query=D%27Andrea%2C+V">V. D'Andrea</a>, <a href="/search/hep-ex?searchtype=author&query=Demidova%2C+E+V">E. V. Demidova</a>, <a href="/search/hep-ex?searchtype=author&query=Di+Marco%2C+N">N. Di Marco</a>, <a href="/search/hep-ex?searchtype=author&query=Domula%2C+A">A. Domula</a>, <a href="/search/hep-ex?searchtype=author&query=Doroshkevich%2C+E">E. Doroshkevich</a>, <a href="/search/hep-ex?searchtype=author&query=Egorov%2C+V">V. Egorov</a>, <a href="/search/hep-ex?searchtype=author&query=Falkenstein%2C+R">R. Falkenstein</a> , et al. (89 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="1909.02726v1-abstract-short" style="display: inline;"> A discovery that neutrinos are not the usual Dirac but Majorana fermions, i.e. identical to their antiparticles, would be a manifestation of new physics with profound implications for particle physics and cosmology. Majorana neutrinos would generate neutrinoless double-$尾$ ($0谓尾尾$) decay, a matter-creating process without the balancing emission of antimatter. So far, 0$谓尾尾$ decay has eluded detect… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1909.02726v1-abstract-full').style.display = 'inline'; document.getElementById('1909.02726v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1909.02726v1-abstract-full" style="display: none;"> A discovery that neutrinos are not the usual Dirac but Majorana fermions, i.e. identical to their antiparticles, would be a manifestation of new physics with profound implications for particle physics and cosmology. Majorana neutrinos would generate neutrinoless double-$尾$ ($0谓尾尾$) decay, a matter-creating process without the balancing emission of antimatter. So far, 0$谓尾尾$ decay has eluded detection. The GERDA collaboration searches for the $0谓尾尾$ decay of $^{76}$Ge by operating bare germanium detectors in an active liquid argon shield. With a total exposure of 82.4 kg$\cdot$yr, we observe no signal and derive a lower half-life limit of T$_{1/2}$ > 0.9$\cdot$10$^{26}$ yr (90% C.L.). Our T$_{1/2}$ sensitivity assuming no signal is 1.1$\cdot$10$^{26}$ yr. Combining the latter with those from other $0谓尾尾$ decay searches yields a sensitivity to the effective Majorana neutrino mass of 0.07 - 0.16 eV, with corresponding sensitivities to the absolute mass scale in $尾$ decay of 0.15 - 0.44 eV, and to the cosmological relevant sum of neutrino masses of 0.46 - 1.3 eV. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1909.02726v1-abstract-full').style.display = 'none'; document.getElementById('1909.02726v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 6 September, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2019. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Authors' main+supplementary text: 13+28 pages, 3+12 figures, 1+7 tables. Definite version to be published in Science</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Science 365, 1445 (2019); published online 05 Sep 2019 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1709.01980">arXiv:1709.01980</a> <span> [<a href="https://arxiv.org/pdf/1709.01980">pdf</a>, <a href="https://arxiv.org/ps/1709.01980">ps</a>, <a href="https://arxiv.org/format/1709.01980">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 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/10.1063/1.5007652">10.1063/1.5007652 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The Large Enriched Germanium Experiment for Neutrinoless Double Beta Decay (LEGEND) </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=LEGEND+Collaboration"> LEGEND Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abgrall%2C+N">N. Abgrall</a>, <a href="/search/hep-ex?searchtype=author&query=Abramov%2C+A">A. Abramov</a>, <a href="/search/hep-ex?searchtype=author&query=Abrosimov%2C+N">N. Abrosimov</a>, <a href="/search/hep-ex?searchtype=author&query=Abt%2C+I">I. Abt</a>, <a href="/search/hep-ex?searchtype=author&query=Agostini%2C+M">M. Agostini</a>, <a href="/search/hep-ex?searchtype=author&query=Agartioglu%2C+M">M. Agartioglu</a>, <a href="/search/hep-ex?searchtype=author&query=Ajjaq%2C+A">A. Ajjaq</a>, <a href="/search/hep-ex?searchtype=author&query=Alvis%2C+S+I">S. I. Alvis</a>, <a href="/search/hep-ex?searchtype=author&query=Avignone%2C+F+T">F. T. Avignone III</a>, <a href="/search/hep-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/hep-ex?searchtype=author&query=Balata%2C+M">M. Balata</a>, <a href="/search/hep-ex?searchtype=author&query=Barabanov%2C+I">I. Barabanov</a>, <a href="/search/hep-ex?searchtype=author&query=Barabash%2C+A+S">A. S. Barabash</a>, <a href="/search/hep-ex?searchtype=author&query=Barton%2C+P+J">P. J. Barton</a>, <a href="/search/hep-ex?searchtype=author&query=Baudis%2C+L">L. Baudis</a>, <a href="/search/hep-ex?searchtype=author&query=Bezrukov%2C+L">L. Bezrukov</a>, <a href="/search/hep-ex?searchtype=author&query=Bode%2C+T">T. Bode</a>, <a href="/search/hep-ex?searchtype=author&query=Bolozdynya%2C+A">A. Bolozdynya</a>, <a href="/search/hep-ex?searchtype=author&query=Borowicz%2C+D">D. Borowicz</a>, <a href="/search/hep-ex?searchtype=author&query=Boston%2C+A">A. Boston</a>, <a href="/search/hep-ex?searchtype=author&query=Boston%2C+H">H. Boston</a>, <a href="/search/hep-ex?searchtype=author&query=Boyd%2C+S+T+P">S. T. P. Boyd</a>, <a href="/search/hep-ex?searchtype=author&query=Breier%2C+R">R. Breier</a>, <a href="/search/hep-ex?searchtype=author&query=Brudanin%2C+V">V. Brudanin</a> , et al. (208 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1709.01980v1-abstract-short" style="display: inline;"> The observation of neutrinoless double-beta decay (0$谓尾尾$) would show that lepton number is violated, reveal that neutrinos are Majorana particles, and provide information on neutrino mass. A discovery-capable experiment covering the inverted ordering region, with effective Majorana neutrino masses of 15 - 50 meV, will require a tonne-scale experiment with excellent energy resolution and extremely… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1709.01980v1-abstract-full').style.display = 'inline'; document.getElementById('1709.01980v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1709.01980v1-abstract-full" style="display: none;"> The observation of neutrinoless double-beta decay (0$谓尾尾$) would show that lepton number is violated, reveal that neutrinos are Majorana particles, and provide information on neutrino mass. A discovery-capable experiment covering the inverted ordering region, with effective Majorana neutrino masses of 15 - 50 meV, will require a tonne-scale experiment with excellent energy resolution and extremely low backgrounds, at the level of $\sim$0.1 count /(FWHM$\cdot$t$\cdot$yr) in the region of the signal. The current generation $^{76}$Ge experiments GERDA and the MAJORANA DEMONSTRATOR utilizing high purity Germanium detectors with an intrinsic energy resolution of 0.12%, have achieved the lowest backgrounds by over an order of magnitude in the 0$谓尾尾$ signal region of all 0$谓尾尾$ experiments. Building on this success, the LEGEND collaboration has been formed to pursue a tonne-scale $^{76}$Ge experiment. The collaboration aims to develop a phased 0$谓尾尾$ experimental program with discovery potential at a half-life approaching or at $10^{28}$ years, using existing resources as appropriate to expedite physics results. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1709.01980v1-abstract-full').style.display = 'none'; document.getElementById('1709.01980v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 6 September, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2017. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Proceedings of the MEDEX'17 meeting (Prague, May 29 - June 2, 2017)</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> AIP Conference Proceedings 1894, 020027 (2017); </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1703.00570">arXiv:1703.00570</a> <span> [<a href="https://arxiv.org/pdf/1703.00570">pdf</a>, <a href="https://arxiv.org/format/1703.00570">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/10.1038/nature21717">10.1038/nature21717 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Background free search for neutrinoless double beta decay with GERDA Phase II </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Agostini%2C+M">M. Agostini</a>, <a href="/search/hep-ex?searchtype=author&query=Allardt%2C+M">M. Allardt</a>, <a href="/search/hep-ex?searchtype=author&query=Bakalyarov%2C+A+M">A. M. Bakalyarov</a>, <a href="/search/hep-ex?searchtype=author&query=Balata%2C+M">M. Balata</a>, <a href="/search/hep-ex?searchtype=author&query=Barabanov%2C+I">I. Barabanov</a>, <a href="/search/hep-ex?searchtype=author&query=Baudis%2C+L">L. Baudis</a>, <a href="/search/hep-ex?searchtype=author&query=Bauer%2C+C">C. Bauer</a>, <a href="/search/hep-ex?searchtype=author&query=Bellotti%2C+E">E. Bellotti</a>, <a href="/search/hep-ex?searchtype=author&query=Belogurov%2C+S">S. Belogurov</a>, <a href="/search/hep-ex?searchtype=author&query=Belyaev%2C+S+T">S. T. Belyaev</a>, <a href="/search/hep-ex?searchtype=author&query=Benato%2C+G">G. Benato</a>, <a href="/search/hep-ex?searchtype=author&query=Bettini%2C+A">A. Bettini</a>, <a href="/search/hep-ex?searchtype=author&query=Bezrukov%2C+L">L. Bezrukov</a>, <a href="/search/hep-ex?searchtype=author&query=Bode%2C+T">T. Bode</a>, <a href="/search/hep-ex?searchtype=author&query=Borowicz%2C+D">D. Borowicz</a>, <a href="/search/hep-ex?searchtype=author&query=Brudanin%2C+V">V. Brudanin</a>, <a href="/search/hep-ex?searchtype=author&query=Brugnera%2C+R">R. Brugnera</a>, <a href="/search/hep-ex?searchtype=author&query=Caldwell%2C+A">A. Caldwell</a>, <a href="/search/hep-ex?searchtype=author&query=Cattadori%2C+C">C. Cattadori</a>, <a href="/search/hep-ex?searchtype=author&query=Chernogorov%2C+A">A. Chernogorov</a>, <a href="/search/hep-ex?searchtype=author&query=D%27Andrea%2C+V">V. D'Andrea</a>, <a href="/search/hep-ex?searchtype=author&query=Demidova%2C+E+V">E. V. Demidova</a>, <a href="/search/hep-ex?searchtype=author&query=DiMarco%2C+N">N. DiMarco</a>, <a href="/search/hep-ex?searchtype=author&query=diVacri%2C+A">A. diVacri</a>, <a href="/search/hep-ex?searchtype=author&query=Domula%2C+A">A. Domula</a> , et al. (91 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="1703.00570v2-abstract-short" style="display: inline;"> The Standard Model of particle physics cannot explain the dominance of matter over anti-matter in our Universe. In many model extensions this is a very natural consequence of neutrinos being their own anti-particles (Majorana particles) which implies that a lepton number violating radioactive decay named neutrinoless double beta ($0谓尾尾$) decay should exist. The detection of this extremely rare hyp… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1703.00570v2-abstract-full').style.display = 'inline'; document.getElementById('1703.00570v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1703.00570v2-abstract-full" style="display: none;"> The Standard Model of particle physics cannot explain the dominance of matter over anti-matter in our Universe. In many model extensions this is a very natural consequence of neutrinos being their own anti-particles (Majorana particles) which implies that a lepton number violating radioactive decay named neutrinoless double beta ($0谓尾尾$) decay should exist. The detection of this extremely rare hypothetical process requires utmost suppression of any kind of backgrounds. The GERDA collaboration searches for $0谓尾尾$ decay of $^{76}$Ge ($^{76}\rm{Ge} \rightarrow\,^{76}\rm{Se} + 2e^-$) by operating bare detectors made from germanium with enriched $^{76}$Ge fraction in liquid argon. Here, we report on first data of GERDA Phase II. A background level of $\approx10^{-3}$ cts/(keV$\cdot$kg$\cdot$yr) has been achieved which is the world-best if weighted by the narrow energy-signal region of germanium detectors. Combining Phase I and II data we find no signal and deduce a new lower limit for the half-life of $5.3\cdot10^{25}$ yr at 90 % C.L. Our sensitivity of $4.0\cdot10^{25}$ yr is competitive with the one of experiments with significantly larger isotope mass. GERDA is the first $0谓尾尾$ experiment that will be background-free up to its design exposure. This progress relies on a novel active veto system, the superior germanium detector energy resolution and the improved background recognition of our new detectors. The unique discovery potential of an essentially background-free search for $0谓尾尾$ decay motivates a larger germanium experiment with higher sensitivity. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1703.00570v2-abstract-full').style.display = 'none'; document.getElementById('1703.00570v2-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> 5 April, 2017; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 1 March, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2017. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">14 pages, 9 figures, 1 table; ; data, figures and images available at http://www.mpi-hd.mpg/gerda/public</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Nature, Volume 544, Number 7648, pp5-132 (2017) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1605.01756">arXiv:1605.01756</a> <span> [<a href="https://arxiv.org/pdf/1605.01756">pdf</a>, <a href="https://arxiv.org/format/1605.01756">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> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1140/epjc/s10052-016-4454-5">10.1140/epjc/s10052-016-4454-5 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Limit on the Radiative Neutrinoless Double Electron Capture of $^{36}$Ar from GERDA Phase I </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Agostini%2C+M">M. Agostini</a>, <a href="/search/hep-ex?searchtype=author&query=Allardt%2C+M">M. Allardt</a>, <a href="/search/hep-ex?searchtype=author&query=Bakalyarov%2C+A+M">A. M. Bakalyarov</a>, <a href="/search/hep-ex?searchtype=author&query=Balata%2C+M">M. Balata</a>, <a href="/search/hep-ex?searchtype=author&query=Barabanov%2C+I">I. Barabanov</a>, <a href="/search/hep-ex?searchtype=author&query=Barros%2C+N">N. Barros</a>, <a href="/search/hep-ex?searchtype=author&query=Baudis%2C+L">L. Baudis</a>, <a href="/search/hep-ex?searchtype=author&query=Bauer%2C+C">C. Bauer</a>, <a href="/search/hep-ex?searchtype=author&query=Bellotti%2C+E">E. Bellotti</a>, <a href="/search/hep-ex?searchtype=author&query=Belogurov%2C+S">S. Belogurov</a>, <a href="/search/hep-ex?searchtype=author&query=Belyaev%2C+S+T">S. T. Belyaev</a>, <a href="/search/hep-ex?searchtype=author&query=Benato%2C+G">G. Benato</a>, <a href="/search/hep-ex?searchtype=author&query=Bettini%2C+A">A. Bettini</a>, <a href="/search/hep-ex?searchtype=author&query=Bezrukov%2C+L">L. Bezrukov</a>, <a href="/search/hep-ex?searchtype=author&query=Bode%2C+T">T. Bode</a>, <a href="/search/hep-ex?searchtype=author&query=Borowicz%2C+D">D. Borowicz</a>, <a href="/search/hep-ex?searchtype=author&query=Brudanin%2C+V">V. Brudanin</a>, <a href="/search/hep-ex?searchtype=author&query=Brugnera%2C+R">R. Brugnera</a>, <a href="/search/hep-ex?searchtype=author&query=Caldwell%2C+A">A. Caldwell</a>, <a href="/search/hep-ex?searchtype=author&query=Cattadori%2C+C">C. Cattadori</a>, <a href="/search/hep-ex?searchtype=author&query=Chernogorov%2C+A">A. Chernogorov</a>, <a href="/search/hep-ex?searchtype=author&query=D%27Andrea%2C+V">V. D'Andrea</a>, <a href="/search/hep-ex?searchtype=author&query=Demidova%2C+E+V">E. V. Demidova</a>, <a href="/search/hep-ex?searchtype=author&query=di+Vacri%2C+A">A. di Vacri</a>, <a href="/search/hep-ex?searchtype=author&query=Domula%2C+A">A. Domula</a> , et al. (93 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="1605.01756v2-abstract-short" style="display: inline;"> Neutrinoless double electron capture is a process that, if detected, would give evidence of lepton number violation and the Majorana nature of neutrinos. A search for neutrinoless double electron capture of $^{36}$Ar has been performed with germanium detectors installed in liquid argon using data from Phase I of the GERmanium Detector Array (GERDA) experiment at the Gran Sasso Laboratory of INFN,… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1605.01756v2-abstract-full').style.display = 'inline'; document.getElementById('1605.01756v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1605.01756v2-abstract-full" style="display: none;"> Neutrinoless double electron capture is a process that, if detected, would give evidence of lepton number violation and the Majorana nature of neutrinos. A search for neutrinoless double electron capture of $^{36}$Ar has been performed with germanium detectors installed in liquid argon using data from Phase I of the GERmanium Detector Array (GERDA) experiment at the Gran Sasso Laboratory of INFN, Italy. No signal was observed and an experimental lower limit on the half-life of the radiative neutrinoless double electron capture of $^{36}$Ar was established: $T_{1/2} > $ 3.6 $\times$ 10$^{21}$ yr at 90 % C.I. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1605.01756v2-abstract-full').style.display = 'none'; document.getElementById('1605.01756v2-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, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 5 May, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 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, 3 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 76 (2016) 652 </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 92.3-47.6 102-74.1 131.6-96.3 154-113.7zM256 320c23.2.4 56.6-29.2 73.4-41.4 132.7-96.3 142.8-104.7 173.4-128.7 5.8-4.5 9.2-11.5 9.2-18.9v-19c0-26.5-21.5-48-48-48H48C21.5 64 0 85.5 0 112v19c0 7.4 3.4 14.3 9.2 18.9 30.6 23.9 40.7 32.4 173.4 128.7 16.8 12.2 50.2 41.8 73.4 41.4z"/></svg> <a href="https://info.arxiv.org/help/contact.html"> Contact</a> </li> <li> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><title>subscribe to arXiv mailings</title><desc>Click here to subscribe</desc><path d="M476 3.2L12.5 270.6c-18.1 10.4-15.8 35.6 2.2 43.2L121 358.4l287.3-253.2c5.5-4.9 13.3 2.6 8.6 8.3L176 407v80.5c0 23.6 28.5 32.9 42.5 15.8L282 426l124.6 52.2c14.2 6 30.4-2.9 33-18.2l72-432C515 7.8 493.3-6.8 476 3.2z"/></svg> <a href="https://info.arxiv.org/help/subscribe"> Subscribe</a> </li> </ul> </div> </div> </div>   <div class="column"> <div class="columns"> <div class="column"> <ul class="nav-spaced"> <li><a href="https://info.arxiv.org/help/license/index.html">Copyright</a></li> <li><a href="https://info.arxiv.org/help/policies/privacy_policy.html">Privacy Policy</a></li> </ul> </div> <div class="column sorry-app-links"> <ul class="nav-spaced"> <li><a href="https://info.arxiv.org/help/web_accessibility.html">Web Accessibility Assistance</a></li> <li> <p class="help"> <a class="a11y-main-link" href="https://status.arxiv.org" target="_blank">arXiv Operational Status <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 256 512" class="icon filter-dark_grey" role="presentation"><path d="M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z"/></svg></a><br> Get status notifications via <a class="is-link" href="https://subscribe.sorryapp.com/24846f03/email/new" target="_blank"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><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 92.3-47.6 102-74.1 131.6-96.3 154-113.7zM256 320c23.2.4 56.6-29.2 73.4-41.4 132.7-96.3 142.8-104.7 173.4-128.7 5.8-4.5 9.2-11.5 9.2-18.9v-19c0-26.5-21.5-48-48-48H48C21.5 64 0 85.5 0 112v19c0 7.4 3.4 14.3 9.2 18.9 30.6 23.9 40.7 32.4 173.4 128.7 16.8 12.2 50.2 41.8 73.4 41.4z"/></svg>email</a> or <a class="is-link" href="https://subscribe.sorryapp.com/24846f03/slack/new" target="_blank"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512" class="icon filter-black" role="presentation"><path d="M94.12 315.1c0 25.9-21.16 47.06-47.06 47.06S0 341 0 315.1c0-25.9 21.16-47.06 47.06-47.06h47.06v47.06zm23.72 0c0-25.9 21.16-47.06 47.06-47.06s47.06 21.16 47.06 47.06v117.84c0 25.9-21.16 47.06-47.06 47.06s-47.06-21.16-47.06-47.06V315.1zm47.06-188.98c-25.9 0-47.06-21.16-47.06-47.06S139 32 164.9 32s47.06 21.16 47.06 47.06v47.06H164.9zm0 23.72c25.9 0 47.06 21.16 47.06 47.06s-21.16 47.06-47.06 47.06H47.06C21.16 243.96 0 222.8 0 196.9s21.16-47.06 47.06-47.06H164.9zm188.98 47.06c0-25.9 21.16-47.06 47.06-47.06 25.9 0 47.06 21.16 47.06 47.06s-21.16 47.06-47.06 47.06h-47.06V196.9zm-23.72 0c0 25.9-21.16 47.06-47.06 47.06-25.9 0-47.06-21.16-47.06-47.06V79.06c0-25.9 21.16-47.06 47.06-47.06 25.9 0 47.06 21.16 47.06 47.06V196.9zM283.1 385.88c25.9 0 47.06 21.16 47.06 47.06 0 25.9-21.16 47.06-47.06 47.06-25.9 0-47.06-21.16-47.06-47.06v-47.06h47.06zm0-23.72c-25.9 0-47.06-21.16-47.06-47.06 0-25.9 21.16-47.06 47.06-47.06h117.84c25.9 0 47.06 21.16 47.06 47.06 0 25.9-21.16 47.06-47.06 47.06H283.1z"/></svg>slack</a> </p> </li> </ul> </div> </div> </div>  </div> </footer> <script src="https://static.arxiv.org/static/base/1.0.0a5/js/member_acknowledgement.js"></script> </body> </html>

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