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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/2410.24115">arXiv:2410.24115</a> <span> [<a href="https://arxiv.org/pdf/2410.24115">pdf</a>, <a href="https://arxiv.org/format/2410.24115">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 Methods for Astrophysics">astro-ph.IM</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Computational Physics">physics.comp-ph</span> </div> </div> <p class="title is-5 mathjax"> gSeaGen code by KM3NeT: an efficient tool to propagate muons simulated with CORSIKA </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Aiello%2C+S">S. Aiello</a>, <a href="/search/physics?searchtype=author&query=Albert%2C+A">A. Albert</a>, <a href="/search/physics?searchtype=author&query=Alhebsi%2C+A+R">A. R. Alhebsi</a>, <a href="/search/physics?searchtype=author&query=Alshamsi%2C+M">M. Alshamsi</a>, <a href="/search/physics?searchtype=author&query=Garre%2C+S+A">S. Alves Garre</a>, <a href="/search/physics?searchtype=author&query=Ambrosone%2C+A">A. Ambrosone</a>, <a href="/search/physics?searchtype=author&query=Ameli%2C+F">F. Ameli</a>, <a href="/search/physics?searchtype=author&query=Andre%2C+M">M. Andre</a>, <a href="/search/physics?searchtype=author&query=Aphecetche%2C+L">L. Aphecetche</a>, <a href="/search/physics?searchtype=author&query=Ardid%2C+M">M. Ardid</a>, <a href="/search/physics?searchtype=author&query=Ardid%2C+S">S. Ardid</a>, <a href="/search/physics?searchtype=author&query=Atmani%2C+H">H. Atmani</a>, <a href="/search/physics?searchtype=author&query=Aublin%2C+J">J. Aublin</a>, <a href="/search/physics?searchtype=author&query=Badaracco%2C+F">F. Badaracco</a>, <a href="/search/physics?searchtype=author&query=Bailly-Salins%2C+L">L. Bailly-Salins</a>, <a href="/search/physics?searchtype=author&query=Barda%C4%8Dov%C3%A1%2C+Z">Z. Barda膷ov谩</a>, <a href="/search/physics?searchtype=author&query=Baret%2C+B">B. Baret</a>, <a href="/search/physics?searchtype=author&query=Bariego-Quintana%2C+A">A. Bariego-Quintana</a>, <a href="/search/physics?searchtype=author&query=Becherini%2C+Y">Y. Becherini</a>, <a href="/search/physics?searchtype=author&query=Bendahman%2C+M">M. Bendahman</a>, <a href="/search/physics?searchtype=author&query=Benfenati%2C+F">F. Benfenati</a>, <a href="/search/physics?searchtype=author&query=Benhassi%2C+M">M. Benhassi</a>, <a href="/search/physics?searchtype=author&query=Bennani%2C+M">M. Bennani</a>, <a href="/search/physics?searchtype=author&query=Benoit%2C+D+M">D. M. Benoit</a>, <a href="/search/physics?searchtype=author&query=Berbee%2C+E">E. Berbee</a> , et al. (238 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="2410.24115v4-abstract-short" style="display: inline;"> The KM3NeT Collaboration has tackled a common challenge faced by the astroparticle physics community, namely adapting the experiment-specific simulation software to work with the CORSIKA air shower simulation output. The proposed solution is an extension of the open-source code gSeaGen, allowing for the transport of muons generated by CORSIKA to a detector of any size at an arbitrary depth. The gS… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2410.24115v4-abstract-full').style.display = 'inline'; document.getElementById('2410.24115v4-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2410.24115v4-abstract-full" style="display: none;"> The KM3NeT Collaboration has tackled a common challenge faced by the astroparticle physics community, namely adapting the experiment-specific simulation software to work with the CORSIKA air shower simulation output. The proposed solution is an extension of the open-source code gSeaGen, allowing for the transport of muons generated by CORSIKA to a detector of any size at an arbitrary depth. The gSeaGen code was not only extended in terms of functionalities but also underwent a thorough redesign of the muon propagation routine, resulting in a more accurate and efficient simulation. This paper presents the capabilities of the new gSeaGen code as well as prospects for further developments. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2410.24115v4-abstract-full').style.display = 'none'; document.getElementById('2410.24115v4-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 20 November, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 31 October, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 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">27 pages, 13 figures, submitted to Computer Physics Communications</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2404.19374">arXiv:2404.19374</a> <span> [<a href="https://arxiv.org/pdf/2404.19374">pdf</a>, <a href="https://arxiv.org/format/2404.19374">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"> Perspectives of a single-anode cylindrical chamber operating in ionization mode and high gas pressure </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Bouet%2C+R">R. Bouet</a>, <a href="/search/physics?searchtype=author&query=Busto%2C+J">J. Busto</a>, <a href="/search/physics?searchtype=author&query=Cecchini%2C+V">V. Cecchini</a>, <a href="/search/physics?searchtype=author&query=Charpentier%2C+P">P. Charpentier</a>, <a href="/search/physics?searchtype=author&query=Chapellier%2C+M">M. Chapellier</a>, <a href="/search/physics?searchtype=author&query=Dastgheibi-Fard%2C+A">A. Dastgheibi-Fard</a>, <a href="/search/physics?searchtype=author&query=Druillole%2C+F">F. Druillole</a>, <a href="/search/physics?searchtype=author&query=Jollet%2C+C">C. Jollet</a>, <a href="/search/physics?searchtype=author&query=Hellmuth%2C+P">P. Hellmuth</a>, <a href="/search/physics?searchtype=author&query=Gros%2C+M">M. Gros</a>, <a href="/search/physics?searchtype=author&query=Lautridou%2C+P">P. Lautridou</a>, <a href="/search/physics?searchtype=author&query=Meregaglia%2C+A">A. Meregaglia</a>, <a href="/search/physics?searchtype=author&query=Navick%2C+X+F">X. F. Navick</a>, <a href="/search/physics?searchtype=author&query=Piquemal%2C+F">F. Piquemal</a>, <a href="/search/physics?searchtype=author&query=Roche%2C+M">M. Roche</a>, <a href="/search/physics?searchtype=author&query=Thomas%2C+B">B. Thomas</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="2404.19374v1-abstract-short" style="display: inline;"> As part of the R2D2 (Rare Decays with Radial Detector) R&D, the use of a gas detector with a spherical or cylindrical cathode, equipped with a single anode and operating at high pressure, was studied for the search of rare phenomena such as neutrinoless double-beta decay. The presented measurements were obtained with a cylindrical detector, covering gas pressures ranging from 1 to 10 bar in argon… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2404.19374v1-abstract-full').style.display = 'inline'; document.getElementById('2404.19374v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2404.19374v1-abstract-full" style="display: none;"> As part of the R2D2 (Rare Decays with Radial Detector) R&D, the use of a gas detector with a spherical or cylindrical cathode, equipped with a single anode and operating at high pressure, was studied for the search of rare phenomena such as neutrinoless double-beta decay. The presented measurements were obtained with a cylindrical detector, covering gas pressures ranging from 1 to 10 bar in argon and 1 to 6 bar in xenon, using both a point-like source of $^{210}$Po (5.3 MeV $伪$ ) and a diffuse source of $^{222}$Rn (5.5 MeV $伪$). Analysis and interpretation of the data were developed using the anodic current waveform. Similar detection performances were achieved with both gases, and comparable energy resolutions were measured with both sources. As long as the purity of the gas was sufficient, no significant degradation of the measured energy was observed by increasing the pressure. At the highest operating pressure, an energy resolution better than 1.5% full-width at half-maximum (FWHM) was obtained for both gaseous media, although optimal noise conditions were not reached. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2404.19374v1-abstract-full').style.display = 'none'; document.getElementById('2404.19374v1-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 April, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2024. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2311.14872">arXiv:2311.14872</a> <span> [<a href="https://arxiv.org/pdf/2311.14872">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 Methods for Astrophysics">astro-ph.IM</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> The Power Board of the KM3NeT Digital Optical Module: design, upgrade, and production </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Aiello%2C+S">S. Aiello</a>, <a href="/search/physics?searchtype=author&query=Albert%2C+A">A. Albert</a>, <a href="/search/physics?searchtype=author&query=Garre%2C+S+A">S. Alves Garre</a>, <a href="/search/physics?searchtype=author&query=Aly%2C+Z">Z. Aly</a>, <a href="/search/physics?searchtype=author&query=Ambrosone%2C+A">A. Ambrosone</a>, <a href="/search/physics?searchtype=author&query=Ameli%2C+F">F. Ameli</a>, <a href="/search/physics?searchtype=author&query=Andre%2C+M">M. Andre</a>, <a href="/search/physics?searchtype=author&query=Androutsou%2C+E">E. Androutsou</a>, <a href="/search/physics?searchtype=author&query=Anguita%2C+M">M. Anguita</a>, <a href="/search/physics?searchtype=author&query=Aphecetche%2C+L">L. Aphecetche</a>, <a href="/search/physics?searchtype=author&query=Ardid%2C+M">M. Ardid</a>, <a href="/search/physics?searchtype=author&query=Ardid%2C+S">S. Ardid</a>, <a href="/search/physics?searchtype=author&query=Atmani%2C+H">H. Atmani</a>, <a href="/search/physics?searchtype=author&query=Aublin%2C+J">J. Aublin</a>, <a href="/search/physics?searchtype=author&query=Badaracco%2C+F">F. Badaracco</a>, <a href="/search/physics?searchtype=author&query=Bailly-Salins%2C+L">L. Bailly-Salins</a>, <a href="/search/physics?searchtype=author&query=Bardacova%2C+Z">Z. Bardacova</a>, <a href="/search/physics?searchtype=author&query=Baret%2C+B">B. Baret</a>, <a href="/search/physics?searchtype=author&query=Quintana%2C+A+B">A. Bariego Quintana</a>, <a href="/search/physics?searchtype=author&query=Pree%2C+S+B+d">S. Basegmez du Pree</a>, <a href="/search/physics?searchtype=author&query=Becherini%2C+Y">Y. Becherini</a>, <a href="/search/physics?searchtype=author&query=Bendahman%2C+M">M. Bendahman</a>, <a href="/search/physics?searchtype=author&query=Benfenati%2C+F">F. Benfenati</a>, <a href="/search/physics?searchtype=author&query=Benhassi%2C+M">M. Benhassi</a>, <a href="/search/physics?searchtype=author&query=Benoit%2C+D+M">D. M. Benoit</a> , et al. (259 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="2311.14872v1-abstract-short" style="display: inline;"> The KM3NeT Collaboration is building an underwater neutrino observatory at the bottom of the Mediterranean Sea consisting of two neutrino telescopes, both composed of a three-dimensional array of light detectors, known as digital optical modules. Each digital optical module contains a set of 31 three inch photomultiplier tubes distributed over the surface of a 0.44 m diameter pressure-resistant gl… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2311.14872v1-abstract-full').style.display = 'inline'; document.getElementById('2311.14872v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2311.14872v1-abstract-full" style="display: none;"> The KM3NeT Collaboration is building an underwater neutrino observatory at the bottom of the Mediterranean Sea consisting of two neutrino telescopes, both composed of a three-dimensional array of light detectors, known as digital optical modules. Each digital optical module contains a set of 31 three inch photomultiplier tubes distributed over the surface of a 0.44 m diameter pressure-resistant glass sphere. The module includes also calibration instruments and electronics for power, readout and data acquisition. The power board was developed to supply power to all the elements of the digital optical module. The design of the power board began in 2013, and several prototypes were produced and tested. After an exhaustive validation process in various laboratories within the KM3NeT Collaboration, a mass production batch began, resulting in the construction of over 1200 power boards so far. These boards were integrated in the digital optical modules that have already been produced and deployed, 828 until October 2023. In 2017, an upgrade of the power board, to increase reliability and efficiency, was initiated. After the validation of a pre-production series, a production batch of 800 upgraded boards is currently underway. This paper describes the design, architecture, upgrade, validation, and production of the power board, including the reliability studies and tests conducted to ensure the safe operation at the bottom of the Mediterranean Sea throughout the observatory's lifespan <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2311.14872v1-abstract-full').style.display = 'none'; document.getElementById('2311.14872v1-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 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/2309.13637">arXiv:2309.13637</a> <span> [<a href="https://arxiv.org/pdf/2309.13637">pdf</a>, <a href="https://arxiv.org/format/2309.13637">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"> R2D2 TPC: first Xenon results </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Bouet%2C+R">R. Bouet</a>, <a href="/search/physics?searchtype=author&query=Busto%2C+J">J. Busto</a>, <a href="/search/physics?searchtype=author&query=Cecchini%2C+V">V. Cecchini</a>, <a href="/search/physics?searchtype=author&query=Cerna%2C+C">C. Cerna</a>, <a href="/search/physics?searchtype=author&query=Charpentier%2C+P">P. Charpentier</a>, <a href="/search/physics?searchtype=author&query=Chapellier%2C+M">M. Chapellier</a>, <a href="/search/physics?searchtype=author&query=Dastgheibi-Fard%2C+A">A. Dastgheibi-Fard</a>, <a href="/search/physics?searchtype=author&query=Druillole%2C+F">F. Druillole</a>, <a href="/search/physics?searchtype=author&query=Jollet%2C+C">C. Jollet</a>, <a href="/search/physics?searchtype=author&query=Hellmuth%2C+P">P. Hellmuth</a>, <a href="/search/physics?searchtype=author&query=Gros%2C+M">M. Gros</a>, <a href="/search/physics?searchtype=author&query=Lautridou%2C+P">P. Lautridou</a>, <a href="/search/physics?searchtype=author&query=Meregaglia%2C+A">A. Meregaglia</a>, <a href="/search/physics?searchtype=author&query=Navick%2C+X+F">X. F. Navick</a>, <a href="/search/physics?searchtype=author&query=Piquemal%2C+F">F. Piquemal</a>, <a href="/search/physics?searchtype=author&query=Popieul%2C+F">F. Popieul</a>, <a href="/search/physics?searchtype=author&query=Roche%2C+M">M. Roche</a>, <a href="/search/physics?searchtype=author&query=Savvidis%2C+I">I. Savvidis</a>, <a href="/search/physics?searchtype=author&query=Thomas%2C+B">B. Thomas</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="2309.13637v1-abstract-short" style="display: inline;"> Radial time projection chambers (TPC), already employed in the search for rare phenomena such as light Dark Matter candidate, could provide a new detection approach for the search of neutrinoless double beta decay ($尾\beta0谓$). The assessment of the performances of such a detector for $尾\beta0谓$ search is indeed the goal of the Rare Decays with Radial Detector (R2D2) R\&D. Promising results operat… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2309.13637v1-abstract-full').style.display = 'inline'; document.getElementById('2309.13637v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2309.13637v1-abstract-full" style="display: none;"> Radial time projection chambers (TPC), already employed in the search for rare phenomena such as light Dark Matter candidate, could provide a new detection approach for the search of neutrinoless double beta decay ($尾\beta0谓$). The assessment of the performances of such a detector for $尾\beta0谓$ search is indeed the goal of the Rare Decays with Radial Detector (R2D2) R\&D. Promising results operating a spherical TPC with argon up to 1~bar have been published in 2021. Supplementary measurements were recently taken extending the gas pressure range up to 3~bar. In addition, a comparison between two detector geometries, namely spherical (SPC for spherical proportional counter) and cylindrical (CPC for cylindrical proportional counter), was performed. Using a relatively simple gas purification system the CPC detector was also operated with xenon at 1~bar: an energy resolution of 1.4\% full-width at half-maximum was achieved for drift distances up to 17~cm. Much lower resolution was observed with the SPC. These results are presented in this article. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2309.13637v1-abstract-full').style.display = 'none'; document.getElementById('2309.13637v1-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 September, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">16 pages 14 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/2303.08508">arXiv:2303.08508</a> <span> [<a href="https://arxiv.org/pdf/2303.08508">pdf</a>, <a href="https://arxiv.org/format/2303.08508">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/10.1088/1748-0221/18/03/P03031">10.1088/1748-0221/18/03/P03031 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Performance of a spherical high pressure gas TPC for neutrino magnetic moment measurement </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Bouet%2C+R">R. Bouet</a>, <a href="/search/physics?searchtype=author&query=Busto%2C+J">J. Busto</a>, <a href="/search/physics?searchtype=author&query=Cecchini%2C+V">V. Cecchini</a>, <a href="/search/physics?searchtype=author&query=Cerna%2C+C">C. Cerna</a>, <a href="/search/physics?searchtype=author&query=Charpentier%2C+P">P. Charpentier</a>, <a href="/search/physics?searchtype=author&query=Dastgheibi-Fard%2C+A">A. Dastgheibi-Fard</a>, <a href="/search/physics?searchtype=author&query=Druillole%2C+F">F. Druillole</a>, <a href="/search/physics?searchtype=author&query=Jollet%2C+C">C. Jollet</a>, <a href="/search/physics?searchtype=author&query=Hellmuth%2C+P">P. Hellmuth</a>, <a href="/search/physics?searchtype=author&query=Katsioulas%2C+I">I. Katsioulas</a>, <a href="/search/physics?searchtype=author&query=Knights%2C+P">P. Knights</a>, <a href="/search/physics?searchtype=author&query=Giomataris%2C+I">I. Giomataris</a>, <a href="/search/physics?searchtype=author&query=Gros%2C+M">M. Gros</a>, <a href="/search/physics?searchtype=author&query=Lautridou%2C+P">P. Lautridou</a>, <a href="/search/physics?searchtype=author&query=Meregaglia%2C+A">A. Meregaglia</a>, <a href="/search/physics?searchtype=author&query=Navick%2C+X+F">X. F. Navick</a>, <a href="/search/physics?searchtype=author&query=Neep%2C+T">T. Neep</a>, <a href="/search/physics?searchtype=author&query=Nikolopoulos%2C+K">K. Nikolopoulos</a>, <a href="/search/physics?searchtype=author&query=Perrot%2C+F">F. Perrot</a>, <a href="/search/physics?searchtype=author&query=Piquemal%2C+F">F. Piquemal</a>, <a href="/search/physics?searchtype=author&query=Roche%2C+M">M. Roche</a>, <a href="/search/physics?searchtype=author&query=Thomas%2C+B">B. Thomas</a>, <a href="/search/physics?searchtype=author&query=Ward%2C+R">R. Ward</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="2303.08508v1-abstract-short" style="display: inline;"> The measurement of neutrino magnetic moment larger than $10^{-19}渭_B$ would be a clear signature of physics beyond the standard model other than the existence of massive Dirac neutrinos. The use of a spherical proportional counter detector filled with gas at 40 bar located near a nuclear reactor would be a simple way to perform such a measurement exploiting the developments made on such a technolo… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2303.08508v1-abstract-full').style.display = 'inline'; document.getElementById('2303.08508v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2303.08508v1-abstract-full" style="display: none;"> The measurement of neutrino magnetic moment larger than $10^{-19}渭_B$ would be a clear signature of physics beyond the standard model other than the existence of massive Dirac neutrinos. The use of a spherical proportional counter detector filled with gas at 40 bar located near a nuclear reactor would be a simple way to perform such a measurement exploiting the developments made on such a technology for the search of dark matter and neutrinoless double beta decay. Different targets can be used just by replacing the gas: xenon, CF$_4$ and argon were compared and the sensitivity in one year of data taking could reach the level of $4.3 \times 10^{-12} 渭_B$, $6.5 \times 10^{-12} 渭_B$, and $8.5 \times 10^{-12} 渭_B$, respectively. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2303.08508v1-abstract-full').style.display = 'none'; document.getElementById('2303.08508v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 15 March, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">16 pages 5 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> 2023_JINST_18_P03031 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2201.12621">arXiv:2201.12621</a> <span> [<a href="https://arxiv.org/pdf/2201.12621">pdf</a>, <a href="https://arxiv.org/format/2201.12621">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> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.nima.2022.166382">10.1016/j.nima.2022.166382 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Simultaneous scintillation light and charge readout of a pure argon filled Spherical Proportional Counter </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Bouet%2C+R">R. Bouet</a>, <a href="/search/physics?searchtype=author&query=Busto%2C+J">J. Busto</a>, <a href="/search/physics?searchtype=author&query=Cecchini%2C+V">V. Cecchini</a>, <a href="/search/physics?searchtype=author&query=Cerna%2C+C">C. Cerna</a>, <a href="/search/physics?searchtype=author&query=Dastgheibi-Fard%2C+A">A. Dastgheibi-Fard</a>, <a href="/search/physics?searchtype=author&query=Druillole%2C+F">F. Druillole</a>, <a href="/search/physics?searchtype=author&query=Jollet%2C+C">C. Jollet</a>, <a href="/search/physics?searchtype=author&query=Hellmuth%2C+P">P. Hellmuth</a>, <a href="/search/physics?searchtype=author&query=Katsioulas%2C+I">I. Katsioulas</a>, <a href="/search/physics?searchtype=author&query=Knights%2C+P">P. Knights</a>, <a href="/search/physics?searchtype=author&query=Giomataris%2C+I">I. Giomataris</a>, <a href="/search/physics?searchtype=author&query=Gros%2C+M">M. Gros</a>, <a href="/search/physics?searchtype=author&query=Lautridou%2C+P">P. Lautridou</a>, <a href="/search/physics?searchtype=author&query=Meregaglia%2C+A">A. Meregaglia</a>, <a href="/search/physics?searchtype=author&query=Navick%2C+X+F">X. F. Navick</a>, <a href="/search/physics?searchtype=author&query=Neep%2C+T">T. Neep</a>, <a href="/search/physics?searchtype=author&query=Nikolopoulos%2C+K">K. Nikolopoulos</a>, <a href="/search/physics?searchtype=author&query=Perrot%2C+F">F. Perrot</a>, <a href="/search/physics?searchtype=author&query=Piquemal%2C+F">F. Piquemal</a>, <a href="/search/physics?searchtype=author&query=Roche%2C+M">M. Roche</a>, <a href="/search/physics?searchtype=author&query=Thomas%2C+B">B. Thomas</a>, <a href="/search/physics?searchtype=author&query=Ward%2C+R">R. Ward</a>, <a href="/search/physics?searchtype=author&query=Zampaolo%2C+M">M. Zampaolo</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="2201.12621v1-abstract-short" style="display: inline;"> The possible use of a Spherical Proportional Counter for the search of neutrinoless double beta decay is investigated in the R2D2 R&D project. Dual charge and scintillation light readout may improve the detector performance. Tests were carried out with pure argon at 1.1 bar using a 6x6 mm2 silicon photomultiplier. Scintillation light was used for the first time to trigger in a spherical proportion… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2201.12621v1-abstract-full').style.display = 'inline'; document.getElementById('2201.12621v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2201.12621v1-abstract-full" style="display: none;"> The possible use of a Spherical Proportional Counter for the search of neutrinoless double beta decay is investigated in the R2D2 R&D project. Dual charge and scintillation light readout may improve the detector performance. Tests were carried out with pure argon at 1.1 bar using a 6x6 mm2 silicon photomultiplier. Scintillation light was used for the first time to trigger in a spherical proportional counter. The measured drift time is in excellent agreement with the expectations from simulations. Furthermore the light signal emitted during the avalanche development exhibits features that could be exploited for event characterisation. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2201.12621v1-abstract-full').style.display = 'none'; document.getElementById('2201.12621v1-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, 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">17 pages,14 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/2007.02570">arXiv:2007.02570</a> <span> [<a href="https://arxiv.org/pdf/2007.02570">pdf</a>, <a href="https://arxiv.org/format/2007.02570">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> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1748-0221/16/03/P03012">10.1088/1748-0221/16/03/P03012 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> R2D2 spherical TPC: first energy resolution results </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Bouet%2C+R">R. Bouet</a>, <a href="/search/physics?searchtype=author&query=Busto%2C+J">J. Busto</a>, <a href="/search/physics?searchtype=author&query=Cecchini%2C+V">V. Cecchini</a>, <a href="/search/physics?searchtype=author&query=Cerna%2C+C">C. Cerna</a>, <a href="/search/physics?searchtype=author&query=Dastgheibi-Fard%2C+A">A. Dastgheibi-Fard</a>, <a href="/search/physics?searchtype=author&query=Druillole%2C+F">F. Druillole</a>, <a href="/search/physics?searchtype=author&query=Jollet%2C+C">C. Jollet</a>, <a href="/search/physics?searchtype=author&query=Hellmuth%2C+P">P. Hellmuth</a>, <a href="/search/physics?searchtype=author&query=Katsioulas%2C+I">I. Katsioulas</a>, <a href="/search/physics?searchtype=author&query=Knights%2C+P">P. Knights</a>, <a href="/search/physics?searchtype=author&query=Giomataris%2C+I">I. Giomataris</a>, <a href="/search/physics?searchtype=author&query=Gros%2C+M">M. Gros</a>, <a href="/search/physics?searchtype=author&query=Lautridou%2C+P">P. Lautridou</a>, <a href="/search/physics?searchtype=author&query=Meregaglia%2C+A">A. Meregaglia</a>, <a href="/search/physics?searchtype=author&query=Navick%2C+X+F">X. F. Navick</a>, <a href="/search/physics?searchtype=author&query=Neep%2C+T">T. Neep</a>, <a href="/search/physics?searchtype=author&query=Nikolopoulos%2C+K">K. Nikolopoulos</a>, <a href="/search/physics?searchtype=author&query=Perrot%2C+F">F. Perrot</a>, <a href="/search/physics?searchtype=author&query=Piquemal%2C+F">F. Piquemal</a>, <a href="/search/physics?searchtype=author&query=Roche%2C+M">M. Roche</a>, <a href="/search/physics?searchtype=author&query=Thomas%2C+B">B. Thomas</a>, <a href="/search/physics?searchtype=author&query=Ward%2C+R">R. Ward</a>, <a href="/search/physics?searchtype=author&query=Zampaolo%2C+M">M. Zampaolo</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="2007.02570v2-abstract-short" style="display: inline;"> Spherical time projection chambers (TPC), also known as spherical proportional counters, are employed in the search for rare phenomena, such as light Dark Matter candidates. The spherical TPC exhibits a number of essential features, making it a promising candidate for the search of neutrinoless double beta decay ($尾\beta0谓$). A tonne-scale spherical TPC experiment could cover a region of parameter… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2007.02570v2-abstract-full').style.display = 'inline'; document.getElementById('2007.02570v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2007.02570v2-abstract-full" style="display: none;"> Spherical time projection chambers (TPC), also known as spherical proportional counters, are employed in the search for rare phenomena, such as light Dark Matter candidates. The spherical TPC exhibits a number of essential features, making it a promising candidate for the search of neutrinoless double beta decay ($尾\beta0谓$). A tonne-scale spherical TPC experiment could cover a region of parameter space relevant for the inverted mass hierarchy with a few years of data taking. In this direction, the major R\&D goal of the R2D2 effort is the demonstration of the required energy resolution. First results from an argon-filled prototype detector are reported, demonstrating an energy resolution of 1.1\% FWHM for 5.3~MeV $伪$ tracks in the 0.2 to 1.1~bar pressure range. This is a major milestone in terms of energy resolution, paving the way for further studies with xenon gas, and the possible use of this technology for $尾\beta0谓$ searches. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2007.02570v2-abstract-full').style.display = 'none'; document.getElementById('2007.02570v2-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 January, 2021; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 6 July, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2020. </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" 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