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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/2305.17762">arXiv:2305.17762</a> <span> [<a href="https://arxiv.org/pdf/2305.17762">pdf</a>, <a href="https://arxiv.org/format/2305.17762">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"> Measurements of the Cherenkov effect in direct detection of charged particles with SiPMs </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Carnesecchi%2C+F">F. Carnesecchi</a>, <a href="/search/physics?searchtype=author&query=Sabiu%2C+B">B. Sabiu</a>, <a href="/search/physics?searchtype=author&query=Strazzi%2C+S">S. Strazzi</a>, <a href="/search/physics?searchtype=author&query=Vignola%2C+G">G. Vignola</a>, <a href="/search/physics?searchtype=author&query=Agrawal%2C+N">N. Agrawal</a>, <a href="/search/physics?searchtype=author&query=Alici%2C+A">A. Alici</a>, <a href="/search/physics?searchtype=author&query=Antonioli%2C+P">P. Antonioli</a>, <a href="/search/physics?searchtype=author&query=Arcelli%2C+S">S. Arcelli</a>, <a href="/search/physics?searchtype=author&query=Bellini%2C+F">F. Bellini</a>, <a href="/search/physics?searchtype=author&query=Cavazza%2C+D">D. Cavazza</a>, <a href="/search/physics?searchtype=author&query=Cifarelli%2C+L">L. Cifarelli</a>, <a href="/search/physics?searchtype=author&query=Colocci%2C+M">M. Colocci</a>, <a href="/search/physics?searchtype=author&query=Durando%2C+S">S. Durando</a>, <a href="/search/physics?searchtype=author&query=Ercolessi%2C+F">F. Ercolessi</a>, <a href="/search/physics?searchtype=author&query=Falchieri%2C+D">D. Falchieri</a>, <a href="/search/physics?searchtype=author&query=Ficorella%2C+A">A. Ficorella</a>, <a href="/search/physics?searchtype=author&query=Fraticelli%2C+C">C. Fraticelli</a>, <a href="/search/physics?searchtype=author&query=Garbini%2C+M">M. Garbini</a>, <a href="/search/physics?searchtype=author&query=Giacalone%2C+M">M. Giacalone</a>, <a href="/search/physics?searchtype=author&query=Gola%2C+A">A. Gola</a>, <a href="/search/physics?searchtype=author&query=Hatzifotiadou%2C+D">D. Hatzifotiadou</a>, <a href="/search/physics?searchtype=author&query=Jacazio%2C+N">N. Jacazio</a>, <a href="/search/physics?searchtype=author&query=Margotti%2C+A">A. Margotti</a>, <a href="/search/physics?searchtype=author&query=Malfattore%2C+G">G. Malfattore</a>, <a href="/search/physics?searchtype=author&query=Nania%2C+R">R. Nania</a> , et al. (12 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="2305.17762v1-abstract-short" style="display: inline;"> In this paper, different Silicon PhotoMultiplier (SiPM) sensors have been tested with charged particles to characterize the Cherenkov light produced in the sensor protection layer. A careful position scan of the SiPM response has been performed with different prototypes, confirming the large number of firing cells and proving almost full efficiency, with the SiPM filling factor essentially negligi… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2305.17762v1-abstract-full').style.display = 'inline'; document.getElementById('2305.17762v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2305.17762v1-abstract-full" style="display: none;"> In this paper, different Silicon PhotoMultiplier (SiPM) sensors have been tested with charged particles to characterize the Cherenkov light produced in the sensor protection layer. A careful position scan of the SiPM response has been performed with different prototypes, confirming the large number of firing cells and proving almost full efficiency, with the SiPM filling factor essentially negligible. This study also allowed us to study the time resolution of such devices as a function of the number of firing cells, reaching values below 20 ps. These measurements provide significant insight into the capabilities of SiPM sensors in direct detection of charged particles and their potential for several applications. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2305.17762v1-abstract-full').style.display = 'none'; document.getElementById('2305.17762v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 28 May, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2023. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2210.13244">arXiv:2210.13244</a> <span> [<a href="https://arxiv.org/pdf/2210.13244">pdf</a>, <a href="https://arxiv.org/format/2210.13244">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"> Understanding the direct detection of charged particles with SiPMs </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Carnesecchi%2C+F">F. Carnesecchi</a>, <a href="/search/physics?searchtype=author&query=Vignola%2C+G">G. Vignola</a>, <a href="/search/physics?searchtype=author&query=Agrawal%2C+N">N. Agrawal</a>, <a href="/search/physics?searchtype=author&query=Alici%2C+A">A. Alici</a>, <a href="/search/physics?searchtype=author&query=Antonioli%2C+P">P. Antonioli</a>, <a href="/search/physics?searchtype=author&query=Arcelli%2C+S">S. Arcelli</a>, <a href="/search/physics?searchtype=author&query=Bellini%2C+F">F. Bellini</a>, <a href="/search/physics?searchtype=author&query=Cavazza%2C+D">D. Cavazza</a>, <a href="/search/physics?searchtype=author&query=Cifarelli%2C+L">L. Cifarelli</a>, <a href="/search/physics?searchtype=author&query=Colocci%2C+M">M. Colocci</a>, <a href="/search/physics?searchtype=author&query=Durando%2C+S">S. Durando</a>, <a href="/search/physics?searchtype=author&query=Ercolessi%2C+F">F. Ercolessi</a>, <a href="/search/physics?searchtype=author&query=Ficorella%2C+A">A. Ficorella</a>, <a href="/search/physics?searchtype=author&query=Fraticelli%2C+C">C. Fraticelli</a>, <a href="/search/physics?searchtype=author&query=Garbini%2C+M">M. Garbini</a>, <a href="/search/physics?searchtype=author&query=Giacalone%2C+M">M. Giacalone</a>, <a href="/search/physics?searchtype=author&query=Gola%2C+A">A. Gola</a>, <a href="/search/physics?searchtype=author&query=Hatzifotiadou%2C+D">D. Hatzifotiadou</a>, <a href="/search/physics?searchtype=author&query=Jacazio%2C+N">N. Jacazio</a>, <a href="/search/physics?searchtype=author&query=Margotti%2C+A">A. Margotti</a>, <a href="/search/physics?searchtype=author&query=Malfattore%2C+G">G. Malfattore</a>, <a href="/search/physics?searchtype=author&query=Nania%2C+R">R. Nania</a>, <a href="/search/physics?searchtype=author&query=Noferini%2C+F">F. Noferini</a>, <a href="/search/physics?searchtype=author&query=Paternoster%2C+G">G. Paternoster</a>, <a href="/search/physics?searchtype=author&query=Pinazza%2C+O">O. Pinazza</a> , et al. (11 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2210.13244v1-abstract-short" style="display: inline;"> In this paper evidence that the increased response of SiPM sensors to the passage of charged particles is related mainly to Cherenkov light produced in the protection layer is reported. The response and timing properties of sensors with different protection layers have been studied. </span> <span class="abstract-full has-text-grey-dark mathjax" id="2210.13244v1-abstract-full" style="display: none;"> In this paper evidence that the increased response of SiPM sensors to the passage of charged particles is related mainly to Cherenkov light produced in the protection layer is reported. The response and timing properties of sensors with different protection layers have been studied. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2210.13244v1-abstract-full').style.display = 'none'; document.getElementById('2210.13244v1-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 October, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> 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/2210.09048">arXiv:2210.09048</a> <span> [<a href="https://arxiv.org/pdf/2210.09048">pdf</a>, <a href="https://arxiv.org/format/2210.09048">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> </div> <p class="title is-5 mathjax"> ATHENA Detector Proposal -- A Totally Hermetic Electron Nucleus Apparatus proposed for IP6 at the Electron-Ion Collider </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=ATHENA+Collaboration"> ATHENA Collaboration</a>, <a href="/search/physics?searchtype=author&query=Adam%2C+J">J. Adam</a>, <a href="/search/physics?searchtype=author&query=Adamczyk%2C+L">L. Adamczyk</a>, <a href="/search/physics?searchtype=author&query=Agrawal%2C+N">N. Agrawal</a>, <a href="/search/physics?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/physics?searchtype=author&query=Akers%2C+W">W. Akers</a>, <a href="/search/physics?searchtype=author&query=Alekseev%2C+M">M. Alekseev</a>, <a href="/search/physics?searchtype=author&query=Allen%2C+M+M">M. M. Allen</a>, <a href="/search/physics?searchtype=author&query=Ameli%2C+F">F. Ameli</a>, <a href="/search/physics?searchtype=author&query=Angerami%2C+A">A. Angerami</a>, <a href="/search/physics?searchtype=author&query=Antonioli%2C+P">P. Antonioli</a>, <a href="/search/physics?searchtype=author&query=Apadula%2C+N+J">N. J. Apadula</a>, <a href="/search/physics?searchtype=author&query=Aprahamian%2C+A">A. Aprahamian</a>, <a href="/search/physics?searchtype=author&query=Armstrong%2C+W">W. Armstrong</a>, <a href="/search/physics?searchtype=author&query=Arratia%2C+M">M. Arratia</a>, <a href="/search/physics?searchtype=author&query=Arrington%2C+J+R">J. R. Arrington</a>, <a href="/search/physics?searchtype=author&query=Asaturyan%2C+A">A. Asaturyan</a>, <a href="/search/physics?searchtype=author&query=Aschenauer%2C+E+C">E. C. Aschenauer</a>, <a href="/search/physics?searchtype=author&query=Augsten%2C+K">K. Augsten</a>, <a href="/search/physics?searchtype=author&query=Aune%2C+S">S. Aune</a>, <a href="/search/physics?searchtype=author&query=Bailey%2C+K">K. Bailey</a>, <a href="/search/physics?searchtype=author&query=Baldanza%2C+C">C. Baldanza</a>, <a href="/search/physics?searchtype=author&query=Bansal%2C+M">M. Bansal</a>, <a href="/search/physics?searchtype=author&query=Barbosa%2C+F">F. Barbosa</a>, <a href="/search/physics?searchtype=author&query=Barion%2C+L">L. Barion</a> , et al. (415 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2210.09048v1-abstract-short" style="display: inline;"> ATHENA has been designed as a general purpose detector capable of delivering the full scientific scope of the Electron-Ion Collider. Careful technology choices provide fine tracking and momentum resolution, high performance electromagnetic and hadronic calorimetry, hadron identification over a wide kinematic range, and near-complete hermeticity. This article describes the detector design and its e… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2210.09048v1-abstract-full').style.display = 'inline'; document.getElementById('2210.09048v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2210.09048v1-abstract-full" style="display: none;"> ATHENA has been designed as a general purpose detector capable of delivering the full scientific scope of the Electron-Ion Collider. Careful technology choices provide fine tracking and momentum resolution, high performance electromagnetic and hadronic calorimetry, hadron identification over a wide kinematic range, and near-complete hermeticity. This article describes the detector design and its expected performance in the most relevant physics channels. It includes an evaluation of detector technology choices, the technical challenges to realizing the detector and the R&D required to meet those challenges. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2210.09048v1-abstract-full').style.display = 'none'; document.getElementById('2210.09048v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 13 October, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> JINST 17 (2022) 10, P10019 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2202.04160">arXiv:2202.04160</a> <span> [<a href="https://arxiv.org/pdf/2202.04160">pdf</a>, <a href="https://arxiv.org/format/2202.04160">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1748-0221/17/06/P06007">10.1088/1748-0221/17/06/P06007 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Direct detection of charged particles with SiPMs </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Carnesecchi%2C+F">F. Carnesecchi</a>, <a href="/search/physics?searchtype=author&query=Vignola%2C+G">G. Vignola</a>, <a href="/search/physics?searchtype=author&query=Agrawal%2C+N">N. Agrawal</a>, <a href="/search/physics?searchtype=author&query=Alici%2C+A">A. Alici</a>, <a href="/search/physics?searchtype=author&query=Antonioli%2C+P">P. Antonioli</a>, <a href="/search/physics?searchtype=author&query=Arcelli%2C+S">S. Arcelli</a>, <a href="/search/physics?searchtype=author&query=Bellini%2C+F">F. Bellini</a>, <a href="/search/physics?searchtype=author&query=Cavazza%2C+D">D. Cavazza</a>, <a href="/search/physics?searchtype=author&query=Cifarelli%2C+L">L. Cifarelli</a>, <a href="/search/physics?searchtype=author&query=Colocci%2C+M">M. Colocci</a>, <a href="/search/physics?searchtype=author&query=Durando%2C+S">S. Durando</a>, <a href="/search/physics?searchtype=author&query=Ercolessi%2C+F">F. Ercolessi</a>, <a href="/search/physics?searchtype=author&query=Garbini%2C+M">M. Garbini</a>, <a href="/search/physics?searchtype=author&query=Giacalone%2C+M">M. Giacalone</a>, <a href="/search/physics?searchtype=author&query=Hatzifotiadou%2C+D">D. Hatzifotiadou</a>, <a href="/search/physics?searchtype=author&query=Jacazio%2C+N">N. Jacazio</a>, <a href="/search/physics?searchtype=author&query=Margotti%2C+A">A. Margotti</a>, <a href="/search/physics?searchtype=author&query=Malfattore%2C+G">G. Malfattore</a>, <a href="/search/physics?searchtype=author&query=Nania%2C+R">R. Nania</a>, <a href="/search/physics?searchtype=author&query=Noferini%2C+F">F. Noferini</a>, <a href="/search/physics?searchtype=author&query=Pinazza%2C+O">O. Pinazza</a>, <a href="/search/physics?searchtype=author&query=Preghenella%2C+R">R. Preghenella</a>, <a href="/search/physics?searchtype=author&query=Ricci%2C+R">R. Ricci</a>, <a href="/search/physics?searchtype=author&query=Rignanese%2C+L">L. Rignanese</a>, <a href="/search/physics?searchtype=author&query=Rubini%2C+N">N. Rubini</a> , et al. (5 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="2202.04160v2-abstract-short" style="display: inline;"> The direct response of Silicon PhotoMultipliers being traversed by a MIP charged particle have been studied in a systematic way for the first time. Using beam test data, time resolution and the crosstalk probability have been measured. A characterization of the SiPM by means of a laser beam is also reported. The results obtained for different sensors indicate a measured time resolution around 40-7… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2202.04160v2-abstract-full').style.display = 'inline'; document.getElementById('2202.04160v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2202.04160v2-abstract-full" style="display: none;"> The direct response of Silicon PhotoMultipliers being traversed by a MIP charged particle have been studied in a systematic way for the first time. Using beam test data, time resolution and the crosstalk probability have been measured. A characterization of the SiPM by means of a laser beam is also reported. The results obtained for different sensors indicate a measured time resolution around 40-70 ps. Although particles are expected to traverse only one SPAD per event, crosstalk measurements on different sensors indicate an unexpected higher value with respect to the one related to the sensor noise. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2202.04160v2-abstract-full').style.display = 'none'; document.getElementById('2202.04160v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 27 March, 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">Comments:</span> <span class="has-text-grey-dark mathjax">10 pages, 7 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/2103.05419">arXiv:2103.05419</a> <span> [<a href="https://arxiv.org/pdf/2103.05419">pdf</a>, <a href="https://arxiv.org/format/2103.05419">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</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.nuclphysa.2022.122447">10.1016/j.nuclphysa.2022.122447 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Science Requirements and Detector Concepts for the Electron-Ion Collider: EIC Yellow Report </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Khalek%2C+R+A">R. Abdul Khalek</a>, <a href="/search/physics?searchtype=author&query=Accardi%2C+A">A. Accardi</a>, <a href="/search/physics?searchtype=author&query=Adam%2C+J">J. Adam</a>, <a href="/search/physics?searchtype=author&query=Adamiak%2C+D">D. Adamiak</a>, <a href="/search/physics?searchtype=author&query=Akers%2C+W">W. Akers</a>, <a href="/search/physics?searchtype=author&query=Albaladejo%2C+M">M. Albaladejo</a>, <a href="/search/physics?searchtype=author&query=Al-bataineh%2C+A">A. Al-bataineh</a>, <a href="/search/physics?searchtype=author&query=Alexeev%2C+M+G">M. G. Alexeev</a>, <a href="/search/physics?searchtype=author&query=Ameli%2C+F">F. Ameli</a>, <a href="/search/physics?searchtype=author&query=Antonioli%2C+P">P. Antonioli</a>, <a href="/search/physics?searchtype=author&query=Armesto%2C+N">N. Armesto</a>, <a href="/search/physics?searchtype=author&query=Armstrong%2C+W+R">W. R. Armstrong</a>, <a href="/search/physics?searchtype=author&query=Arratia%2C+M">M. Arratia</a>, <a href="/search/physics?searchtype=author&query=Arrington%2C+J">J. Arrington</a>, <a href="/search/physics?searchtype=author&query=Asaturyan%2C+A">A. Asaturyan</a>, <a href="/search/physics?searchtype=author&query=Asai%2C+M">M. Asai</a>, <a href="/search/physics?searchtype=author&query=Aschenauer%2C+E+C">E. C. Aschenauer</a>, <a href="/search/physics?searchtype=author&query=Aune%2C+S">S. Aune</a>, <a href="/search/physics?searchtype=author&query=Avagyan%2C+H">H. Avagyan</a>, <a href="/search/physics?searchtype=author&query=Gayoso%2C+C+A">C. Ayerbe Gayoso</a>, <a href="/search/physics?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/physics?searchtype=author&query=Bacchetta%2C+A">A. Bacchetta</a>, <a href="/search/physics?searchtype=author&query=Baker%2C+M+D">M. D. Baker</a>, <a href="/search/physics?searchtype=author&query=Barbosa%2C+F">F. Barbosa</a>, <a href="/search/physics?searchtype=author&query=Barion%2C+L">L. Barion</a> , et al. (390 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2103.05419v3-abstract-short" style="display: inline;"> This report describes the physics case, the resulting detector requirements, and the evolving detector concepts for the experimental program at the Electron-Ion Collider (EIC). The EIC will be a powerful new high-luminosity facility in the United States with the capability to collide high-energy electron beams with high-energy proton and ion beams, providing access to those regions in the nucleon… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2103.05419v3-abstract-full').style.display = 'inline'; document.getElementById('2103.05419v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2103.05419v3-abstract-full" style="display: none;"> This report describes the physics case, the resulting detector requirements, and the evolving detector concepts for the experimental program at the Electron-Ion Collider (EIC). The EIC will be a powerful new high-luminosity facility in the United States with the capability to collide high-energy electron beams with high-energy proton and ion beams, providing access to those regions in the nucleon and nuclei where their structure is dominated by gluons. Moreover, polarized beams in the EIC will give unprecedented access to the spatial and spin structure of the proton, neutron, and light ions. The studies leading to this document were commissioned and organized by the EIC User Group with the objective of advancing the state and detail of the physics program and developing detector concepts that meet the emerging requirements in preparation for the realization of the EIC. The effort aims to provide the basis for further development of concepts for experimental equipment best suited for the science needs, including the importance of two complementary detectors and interaction regions. This report consists of three volumes. Volume I is an executive summary of our findings and developed concepts. In Volume II we describe studies of a wide range of physics measurements and the emerging requirements on detector acceptance and performance. Volume III discusses general-purpose detector concepts and the underlying technologies to meet the physics requirements. These considerations will form the basis for a world-class experimental program that aims to increase our understanding of the fundamental structure of all visible matter <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2103.05419v3-abstract-full').style.display = 'none'; document.getElementById('2103.05419v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 26 October, 2021; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 8 March, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2021. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">902 pages, 415 authors, 151 institutions</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> BNL-220990-2021-FORE, JLAB-PHY-21-3198, LA-UR-21-20953 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Nucl. Phys. A 1026 (2022) 122447 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2004.02024">arXiv:2004.02024</a> <span> [<a href="https://arxiv.org/pdf/2004.02024">pdf</a>, <a href="https://arxiv.org/format/2004.02024">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="Instrumentation and Methods for Astrophysics">astro-ph.IM</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div 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/s10052-020-08801-2">10.1140/epjc/s10052-020-08801-2 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> SiPM-matrix readout of two-phase argon detectors using electroluminescence in the visible and near infrared range </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=The+DarkSide+collaboration"> The DarkSide collaboration</a>, <a href="/search/physics?searchtype=author&query=Aalseth%2C+C+E">C. E. Aalseth</a>, <a href="/search/physics?searchtype=author&query=Abdelhakim%2C+S">S. Abdelhakim</a>, <a href="/search/physics?searchtype=author&query=Agnes%2C+P">P. Agnes</a>, <a href="/search/physics?searchtype=author&query=Ajaj%2C+R">R. Ajaj</a>, <a href="/search/physics?searchtype=author&query=Albuquerque%2C+I+F+M">I. F. M. Albuquerque</a>, <a href="/search/physics?searchtype=author&query=Alexander%2C+T">T. Alexander</a>, <a href="/search/physics?searchtype=author&query=Alici%2C+A">A. Alici</a>, <a href="/search/physics?searchtype=author&query=Alton%2C+A+K">A. K. Alton</a>, <a href="/search/physics?searchtype=author&query=Amaudruz%2C+P">P. Amaudruz</a>, <a href="/search/physics?searchtype=author&query=Ameli%2C+F">F. Ameli</a>, <a href="/search/physics?searchtype=author&query=Anstey%2C+J">J. Anstey</a>, <a href="/search/physics?searchtype=author&query=Antonioli%2C+P">P. Antonioli</a>, <a href="/search/physics?searchtype=author&query=Arba%2C+M">M. Arba</a>, <a href="/search/physics?searchtype=author&query=Arcelli%2C+S">S. Arcelli</a>, <a href="/search/physics?searchtype=author&query=Ardito%2C+R">R. Ardito</a>, <a href="/search/physics?searchtype=author&query=Arnquist%2C+I+J">I. J. Arnquist</a>, <a href="/search/physics?searchtype=author&query=Arpaia%2C+P">P. Arpaia</a>, <a href="/search/physics?searchtype=author&query=Asner%2C+D+M">D. M. Asner</a>, <a href="/search/physics?searchtype=author&query=Asunskis%2C+A">A. Asunskis</a>, <a href="/search/physics?searchtype=author&query=Ave%2C+M">M. Ave</a>, <a href="/search/physics?searchtype=author&query=Back%2C+H+O">H. O. Back</a>, <a href="/search/physics?searchtype=author&query=Barbaryan%2C+V">V. Barbaryan</a>, <a href="/search/physics?searchtype=author&query=Olmedo%2C+A+B">A. Barrado Olmedo</a>, <a href="/search/physics?searchtype=author&query=Batignani%2C+G">G. Batignani</a> , et al. (290 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="2004.02024v2-abstract-short" style="display: inline;"> Proportional electroluminescence (EL) in noble gases is used in two-phase detectors for dark matter searches to record (in the gas phase) the ionization signal induced by particle scattering in the liquid phase. The "standard" EL mechanism is considered to be due to noble gas excimer emission in the vacuum ultraviolet (VUV). In addition, there are two alternative mechanisms, producing light in the… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2004.02024v2-abstract-full').style.display = 'inline'; document.getElementById('2004.02024v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2004.02024v2-abstract-full" style="display: none;"> Proportional electroluminescence (EL) in noble gases is used in two-phase detectors for dark matter searches to record (in the gas phase) the ionization signal induced by particle scattering in the liquid phase. The "standard" EL mechanism is considered to be due to noble gas excimer emission in the vacuum ultraviolet (VUV). In addition, there are two alternative mechanisms, producing light in the visible and near infrared (NIR) ranges. The first is due to bremsstrahlung of electrons scattered on neutral atoms ("neutral bremsstrahlung", NBrS). The second, responsible for electron avalanche scintillation in the NIR at higher electric fields, is due to transitions between excited atomic states. In this work, we have for the first time demonstrated two alternative techniques of the optical readout of two-phase argon detectors, in the visible and NIR range, using a silicon photomultiplier matrix and electroluminescence due to either neutral bremsstrahlung or avalanche scintillation. The amplitude yield and position resolution were measured for these readout techniques, which allowed to assess the detection threshold for electron and nuclear recoils in two-phase argon detectors for dark matter searches. To the best of our knowledge, this is the first practical application of the NBrS effect in detection science. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2004.02024v2-abstract-full').style.display = 'none'; document.getElementById('2004.02024v2-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 February, 2021; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 4 April, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 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">26 pages, 22 figures, 3 tables</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 (2021) 81: 153 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2001.08106">arXiv:2001.08106</a> <span> [<a href="https://arxiv.org/pdf/2001.08106">pdf</a>, <a href="https://arxiv.org/format/2001.08106">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 Methods for Astrophysics">astro-ph.IM</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1748-0221/15/02/P02024">10.1088/1748-0221/15/02/P02024 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Design and construction of a new detector to measure ultra-low radioactive-isotope contamination of argon </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=The+DarkSide+Collaboration"> The DarkSide Collaboration</a>, <a href="/search/physics?searchtype=author&query=Aalseth%2C+C+E">C. E. Aalseth</a>, <a href="/search/physics?searchtype=author&query=Abdelhakim%2C+S">S. Abdelhakim</a>, <a href="/search/physics?searchtype=author&query=Acerbi%2C+F">F. Acerbi</a>, <a href="/search/physics?searchtype=author&query=Agnes%2C+P">P. Agnes</a>, <a href="/search/physics?searchtype=author&query=Ajaj%2C+R">R. Ajaj</a>, <a href="/search/physics?searchtype=author&query=Albuquerque%2C+I+F+M">I. F. M. Albuquerque</a>, <a href="/search/physics?searchtype=author&query=Alexander%2C+T">T. Alexander</a>, <a href="/search/physics?searchtype=author&query=Alici%2C+A">A. Alici</a>, <a href="/search/physics?searchtype=author&query=Alton%2C+A+K">A. K. Alton</a>, <a href="/search/physics?searchtype=author&query=Amaudruz%2C+P">P. Amaudruz</a>, <a href="/search/physics?searchtype=author&query=Ameli%2C+F">F. Ameli</a>, <a href="/search/physics?searchtype=author&query=Anstey%2C+J">J. Anstey</a>, <a href="/search/physics?searchtype=author&query=Antonioli%2C+P">P. Antonioli</a>, <a href="/search/physics?searchtype=author&query=Arba%2C+M">M. Arba</a>, <a href="/search/physics?searchtype=author&query=Arcelli%2C+S">S. Arcelli</a>, <a href="/search/physics?searchtype=author&query=Ardito%2C+R">R. Ardito</a>, <a href="/search/physics?searchtype=author&query=Arnquist%2C+I+J">I. J. Arnquist</a>, <a href="/search/physics?searchtype=author&query=Arpaia%2C+P">P. Arpaia</a>, <a href="/search/physics?searchtype=author&query=Asner%2C+D+M">D. M. Asner</a>, <a href="/search/physics?searchtype=author&query=Asunskis%2C+A">A. Asunskis</a>, <a href="/search/physics?searchtype=author&query=Ave%2C+M">M. Ave</a>, <a href="/search/physics?searchtype=author&query=Back%2C+H+O">H. O. Back</a>, <a href="/search/physics?searchtype=author&query=Olmedo%2C+A+B">A. Barrado Olmedo</a>, <a href="/search/physics?searchtype=author&query=Batignani%2C+G">G. Batignani</a> , et al. (306 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2001.08106v1-abstract-short" style="display: inline;"> Large liquid argon detectors offer one of the best avenues for the detection of galactic weakly interacting massive particles (WIMPs) via their scattering on atomic nuclei. The liquid argon target allows exquisite discrimination between nuclear and electron recoil signals via pulse-shape discrimination of the scintillation signals. Atmospheric argon (AAr), however, has a naturally occurring radioa… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2001.08106v1-abstract-full').style.display = 'inline'; document.getElementById('2001.08106v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2001.08106v1-abstract-full" style="display: none;"> Large liquid argon detectors offer one of the best avenues for the detection of galactic weakly interacting massive particles (WIMPs) via their scattering on atomic nuclei. The liquid argon target allows exquisite discrimination between nuclear and electron recoil signals via pulse-shape discrimination of the scintillation signals. Atmospheric argon (AAr), however, has a naturally occurring radioactive isotope, $^{39}$Ar, a $尾$ emitter of cosmogenic origin. For large detectors, the atmospheric $^{39}$Ar activity poses pile-up concerns. The use of argon extracted from underground wells, deprived of $^{39}$Ar, is key to the physics potential of these experiments. The DarkSide-20k dark matter search experiment will operate a dual-phase time projection chamber with 50 tonnes of radio-pure underground argon (UAr), that was shown to be depleted of $^{39}$Ar with respect to AAr by a factor larger than 1400. Assessing the $^{39}$Ar content of the UAr during extraction is crucial for the success of DarkSide-20k, as well as for future experiments of the Global Argon Dark Matter Collaboration (GADMC). This will be carried out by the DArT in ArDM experiment, a small chamber made with extremely radio-pure materials that will be placed at the centre of the ArDM detector, in the Canfranc Underground Laboratory (LSC) in Spain. The ArDM LAr volume acts as an active veto for background radioactivity, mostly $纬$-rays from the ArDM detector materials and the surrounding rock. This article describes the DArT in ArDM project, including the chamber design and construction, and reviews the background required to achieve the expected performance of the detector. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2001.08106v1-abstract-full').style.display = 'none'; document.getElementById('2001.08106v1-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> 22 January, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2020. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">13 pages, 8 figures. Corresponding author: E. S谩nchez Garc铆a</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1909.04579">arXiv:1909.04579</a> <span> [<a href="https://arxiv.org/pdf/1909.04579">pdf</a>, <a href="https://arxiv.org/format/1909.04579">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Astrophysical Phenomena">astro-ph.HE</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Methods for Astrophysics">astro-ph.IM</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <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.100.062002">10.1103/PhysRevD.100.062002 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Characterization of the varying flux of atmospheric muons measured with the Large Volume Detector for 24 years </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Agafonova%2C+N+Y">N. Yu. Agafonova</a>, <a href="/search/physics?searchtype=author&query=Aglietta%2C+M">M. Aglietta</a>, <a href="/search/physics?searchtype=author&query=Antonioli%2C+P">P. Antonioli</a>, <a href="/search/physics?searchtype=author&query=Ashikhmin%2C+V+V">V. V. Ashikhmin</a>, <a href="/search/physics?searchtype=author&query=Bari%2C+G">G. Bari</a>, <a href="/search/physics?searchtype=author&query=Bruno%2C+G">G. Bruno</a>, <a href="/search/physics?searchtype=author&query=Dobrynina%2C+E+A">E. A. Dobrynina</a>, <a href="/search/physics?searchtype=author&query=Enikeev%2C+R+I">R. I. Enikeev</a>, <a href="/search/physics?searchtype=author&query=Fulgione%2C+W">W. Fulgione</a>, <a href="/search/physics?searchtype=author&query=Galeotti%2C+P">P. Galeotti</a>, <a href="/search/physics?searchtype=author&query=Garbini%2C+M">M. Garbini</a>, <a href="/search/physics?searchtype=author&query=Ghia%2C+P+L">P. L. Ghia</a>, <a href="/search/physics?searchtype=author&query=Giusti%2C+P">P. Giusti</a>, <a href="/search/physics?searchtype=author&query=Kemp%2C+E">E. Kemp</a>, <a href="/search/physics?searchtype=author&query=Malgin%2C+A+S">A. S. Malgin</a>, <a href="/search/physics?searchtype=author&query=Molinario%2C+A">A. Molinario</a>, <a href="/search/physics?searchtype=author&query=Persiani%2C+R">R. Persiani</a>, <a href="/search/physics?searchtype=author&query=Pless%2C+I+A">I. A. Pless</a>, <a href="/search/physics?searchtype=author&query=Rubinetti%2C+S">S. Rubinetti</a>, <a href="/search/physics?searchtype=author&query=Ryazhskaya%2C+O+G">O. G. Ryazhskaya</a>, <a href="/search/physics?searchtype=author&query=Sartorelli%2C+G">G. Sartorelli</a>, <a href="/search/physics?searchtype=author&query=Shakiryanova%2C+I+R">I. R. Shakiryanova</a>, <a href="/search/physics?searchtype=author&query=Selvi%2C+M">M. Selvi</a>, <a href="/search/physics?searchtype=author&query=Taricco%2C+C">C. Taricco</a>, <a href="/search/physics?searchtype=author&query=Trinchero%2C+G+C">G. C. Trinchero</a> , et al. (3 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="1909.04579v2-abstract-short" style="display: inline;"> The Large Volume Detector (LVD), hosted in the INFN Laboratori Nazionali del Gran Sasso, is triggered by atmospheric muons at a rate of $\sim 0.1$~Hz. The data collected over almost a quarter of century are used to study the muon intensity underground. The 50-million muon series, the longest ever exploited by an underground instrument, allows for the accurate long-term monitoring of the muon inten… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1909.04579v2-abstract-full').style.display = 'inline'; document.getElementById('1909.04579v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1909.04579v2-abstract-full" style="display: none;"> The Large Volume Detector (LVD), hosted in the INFN Laboratori Nazionali del Gran Sasso, is triggered by atmospheric muons at a rate of $\sim 0.1$~Hz. The data collected over almost a quarter of century are used to study the muon intensity underground. The 50-million muon series, the longest ever exploited by an underground instrument, allows for the accurate long-term monitoring of the muon intensity underground. This is relevant as a study of the background in the Gran Sasso Laboratory, which hosts a variety of long-duration, low-background detectors. We describe the procedure to select muon-like events as well as the method used to compute the exposure. We report the value of the average muon flux measured from 1994 to 2017: $\mathrm{I_渭^0 = 3.35 \pm 0.0005^{stat}\pm 0.03^{sys} \cdot 10^{-4} ~m^{-2} s^{-1}}$. We show that the intensity is modulated around this average value due to temperature variations in the stratosphere. We quantify such a correlation by using temperature data from the European Center for Medium-range Weather Forecasts: we find an effective temperature coefficient $\mathrm{伪_{T}} = 0.94\pm0.01^{stat} \pm0.01^{sys}$, in agreement with other measurements at the same depth. We scrutinise the spectral content of the time series of the muon intensity by means of the Lomb-Scargle analysis. This yields the evidence of a 1-year periodicity, as well as the indication of others, both shorter and longer, suggesting that the series is not a pure sinusoidal wave. Consequently, and for the first time, we characterise the observed modulation in terms of amplitude and position of maximum and minimum on a year-by-year basis. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1909.04579v2-abstract-full').style.display = 'none'; document.getElementById('1909.04579v2-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 September, 2019; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 10 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">26 pages, 10 figures, 4 tables</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1902.01211">arXiv:1902.01211</a> <span> [<a href="https://arxiv.org/pdf/1902.01211">pdf</a>, <a href="https://arxiv.org/format/1902.01211">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> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</span> </div> </div> <p class="title is-5 mathjax"> A next-generation LHC heavy-ion experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Adamov%C3%A1%2C+D">D. Adamov谩</a>, <a href="/search/physics?searchtype=author&query=Rinella%2C+G+A">G. Aglieri Rinella</a>, <a href="/search/physics?searchtype=author&query=Agnello%2C+M">M. Agnello</a>, <a href="/search/physics?searchtype=author&query=Ahammed%2C+Z">Z. Ahammed</a>, <a href="/search/physics?searchtype=author&query=Aleksandrov%2C+D">D. Aleksandrov</a>, <a href="/search/physics?searchtype=author&query=Alici%2C+A">A. Alici</a>, <a href="/search/physics?searchtype=author&query=Alkin%2C+A">A. Alkin</a>, <a href="/search/physics?searchtype=author&query=Alt%2C+T">T. Alt</a>, <a href="/search/physics?searchtype=author&query=Altsybeev%2C+I">I. Altsybeev</a>, <a href="/search/physics?searchtype=author&query=Andreou%2C+D">D. Andreou</a>, <a href="/search/physics?searchtype=author&query=Andronic%2C+A">A. Andronic</a>, <a href="/search/physics?searchtype=author&query=Antinori%2C+F">F. Antinori</a>, <a href="/search/physics?searchtype=author&query=Antonioli%2C+P">P. Antonioli</a>, <a href="/search/physics?searchtype=author&query=Appelsh%C3%A4user%2C+H">H. Appelsh盲user</a>, <a href="/search/physics?searchtype=author&query=Arnaldi%2C+R">R. Arnaldi</a>, <a href="/search/physics?searchtype=author&query=Arsene%2C+I+C">I. C. Arsene</a>, <a href="/search/physics?searchtype=author&query=Arslandok%2C+M">M. Arslandok</a>, <a href="/search/physics?searchtype=author&query=Averbeck%2C+R">R. Averbeck</a>, <a href="/search/physics?searchtype=author&query=Azmi%2C+M+D">M. D. Azmi</a>, <a href="/search/physics?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/physics?searchtype=author&query=Bailhache%2C+R">R. Bailhache</a>, <a href="/search/physics?searchtype=author&query=Bala%2C+R">R. Bala</a>, <a href="/search/physics?searchtype=author&query=Barioglio%2C+L">L. Barioglio</a>, <a href="/search/physics?searchtype=author&query=Barnaf%C3%B6ldi%2C+G+G">G. G. Barnaf枚ldi</a>, <a href="/search/physics?searchtype=author&query=Barnby%2C+L+S">L. S. Barnby</a> , et al. (374 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1902.01211v2-abstract-short" style="display: inline;"> The present document discusses plans for a compact, next-generation multi-purpose detector at the LHC as a follow-up to the present ALICE experiment. The aim is to build a nearly massless barrel detector consisting of truly cylindrical layers based on curved wafer-scale ultra-thin silicon sensors with MAPS technology, featuring an unprecedented low material budget of 0.05% X$_0$ per layer, with th… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1902.01211v2-abstract-full').style.display = 'inline'; document.getElementById('1902.01211v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1902.01211v2-abstract-full" style="display: none;"> The present document discusses plans for a compact, next-generation multi-purpose detector at the LHC as a follow-up to the present ALICE experiment. The aim is to build a nearly massless barrel detector consisting of truly cylindrical layers based on curved wafer-scale ultra-thin silicon sensors with MAPS technology, featuring an unprecedented low material budget of 0.05% X$_0$ per layer, with the innermost layers possibly positioned inside the beam pipe. In addition to superior tracking and vertexing capabilities over a wide momentum range down to a few tens of MeV/$c$, the detector will provide particle identification via time-of-flight determination with about 20~ps resolution. In addition, electron and photon identification will be performed in a separate shower detector. The proposed detector is conceived for studies of pp, pA and AA collisions at luminosities a factor of 20 to 50 times higher than possible with the upgraded ALICE detector, enabling a rich physics program ranging from measurements with electromagnetic probes at ultra-low transverse momenta to precision physics in the charm and beauty sector. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1902.01211v2-abstract-full').style.display = 'none'; document.getElementById('1902.01211v2-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, 2019; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 31 January, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2019. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Input to the 2020 Update of the European Particle Physics Strategy</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1707.08145">arXiv:1707.08145</a> <span> [<a href="https://arxiv.org/pdf/1707.08145">pdf</a>, <a href="https://arxiv.org/format/1707.08145">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/10.1140/epjp/i2018-11973-4">10.1140/epjp/i2018-11973-4 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> DarkSide-20k: A 20 Tonne Two-Phase LAr TPC for Direct Dark Matter Detection at LNGS </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Aalseth%2C+C+E">C. E. Aalseth</a>, <a href="/search/physics?searchtype=author&query=Acerbi%2C+F">F. Acerbi</a>, <a href="/search/physics?searchtype=author&query=Agnes%2C+P">P. Agnes</a>, <a href="/search/physics?searchtype=author&query=Albuquerque%2C+I+F+M">I. F. M. Albuquerque</a>, <a href="/search/physics?searchtype=author&query=Alexander%2C+T">T. Alexander</a>, <a href="/search/physics?searchtype=author&query=Alici%2C+A">A. Alici</a>, <a href="/search/physics?searchtype=author&query=Alton%2C+A+K">A. K. Alton</a>, <a href="/search/physics?searchtype=author&query=Antonioli%2C+P">P. Antonioli</a>, <a href="/search/physics?searchtype=author&query=Arcelli%2C+S">S. Arcelli</a>, <a href="/search/physics?searchtype=author&query=Ardito%2C+R">R. Ardito</a>, <a href="/search/physics?searchtype=author&query=Arnquist%2C+I+J">I. J. Arnquist</a>, <a href="/search/physics?searchtype=author&query=Asner%2C+D+M">D. M. Asner</a>, <a href="/search/physics?searchtype=author&query=Ave%2C+M">M. Ave</a>, <a href="/search/physics?searchtype=author&query=Back%2C+H+O">H. O. Back</a>, <a href="/search/physics?searchtype=author&query=Olmedo%2C+A+I+B">A. I. Barrado Olmedo</a>, <a href="/search/physics?searchtype=author&query=Batignani%2C+G">G. Batignani</a>, <a href="/search/physics?searchtype=author&query=Bertoldo%2C+E">E. Bertoldo</a>, <a href="/search/physics?searchtype=author&query=Bettarini%2C+S">S. Bettarini</a>, <a href="/search/physics?searchtype=author&query=Bisogni%2C+M+G">M. G. Bisogni</a>, <a href="/search/physics?searchtype=author&query=Bocci%2C+V">V. Bocci</a>, <a href="/search/physics?searchtype=author&query=Bondar%2C+A">A. Bondar</a>, <a href="/search/physics?searchtype=author&query=Bonfini%2C+G">G. Bonfini</a>, <a href="/search/physics?searchtype=author&query=Bonivento%2C+W">W. Bonivento</a>, <a href="/search/physics?searchtype=author&query=Bossa%2C+M">M. Bossa</a>, <a href="/search/physics?searchtype=author&query=Bottino%2C+B">B. Bottino</a> , et al. (260 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1707.08145v1-abstract-short" style="display: inline;"> Building on the successful experience in operating the DarkSide-50 detector, the DarkSide Collaboration is going to construct DarkSide-20k, a direct WIMP search detector using a two-phase Liquid Argon Time Projection Chamber (LArTPC) with an active (fiducial) mass of 23 t (20 t). The DarkSide-20k LArTPC will be deployed within a shield/veto with a spherical Liquid Scintillator Veto (LSV) inside a… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1707.08145v1-abstract-full').style.display = 'inline'; document.getElementById('1707.08145v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1707.08145v1-abstract-full" style="display: none;"> Building on the successful experience in operating the DarkSide-50 detector, the DarkSide Collaboration is going to construct DarkSide-20k, a direct WIMP search detector using a two-phase Liquid Argon Time Projection Chamber (LArTPC) with an active (fiducial) mass of 23 t (20 t). The DarkSide-20k LArTPC will be deployed within a shield/veto with a spherical Liquid Scintillator Veto (LSV) inside a cylindrical Water Cherenkov Veto (WCV). Operation of DarkSide-50 demonstrated a major reduction in the dominant $^{39}$Ar background when using argon extracted from an underground source, before applying pulse shape analysis. Data from DarkSide-50, in combination with MC simulation and analytical modeling, shows that a rejection factor for discrimination between electron and nuclear recoils of $\gt3\times10^9$ is achievable. This, along with the use of the veto system, is the key to unlocking the path to large LArTPC detector masses, while maintaining an "instrumental background-free" experiment, an experiment in which less than 0.1 events (other than $谓$-induced nuclear recoils) is expected to occur within the WIMP search region during the planned exposure. DarkSide-20k will have ultra-low backgrounds than can be measured in situ. This will give sensitivity to WIMP-nucleon cross sections of $1.2\times10^{-47}$ cm$^2$ ($1.1\times10^{-46}$ cm$^2$) for WIMPs of $1$ TeV$/c^2$ ($10$ TeV$/c^2$) mass, to be achieved during a 5 yr run producing an exposure of 100 t yr free from any instrumental background. DarkSide-20k could then extend its operation to a decade, increasing the exposure to 200 t yr, reaching a sensitivity of $7.4\times10^{-48}$ cm$^2$ ($6.9\times10^{-47}$ cm$^2$) for WIMPs of $1$ TeV$/c^2$ ($10$ TeV$/c^2$) mass. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1707.08145v1-abstract-full').style.display = 'none'; document.getElementById('1707.08145v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 25 July, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2017. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-17-298-PPD </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Aalseth, C.E., Acerbi, F., Agnes, P. et al. Eur. Phys. J. Plus (2018) 133: 131 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1705.07028">arXiv:1705.07028</a> <span> [<a href="https://arxiv.org/pdf/1705.07028">pdf</a>, <a href="https://arxiv.org/format/1705.07028">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/10.1088/1748-0221/12/09/P09030">10.1088/1748-0221/12/09/P09030 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Cryogenic Characterization of FBK RGB-HD SiPMs </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Aalseth%2C+C+E">C. E. Aalseth</a>, <a href="/search/physics?searchtype=author&query=Acerbi%2C+F">F. Acerbi</a>, <a href="/search/physics?searchtype=author&query=Agnes%2C+P">P. Agnes</a>, <a href="/search/physics?searchtype=author&query=Albuquerque%2C+I+F+M">I. F. M. Albuquerque</a>, <a href="/search/physics?searchtype=author&query=Alexander%2C+T">T. Alexander</a>, <a href="/search/physics?searchtype=author&query=Alici%2C+A">A. Alici</a>, <a href="/search/physics?searchtype=author&query=Alton%2C+A+K">A. K. Alton</a>, <a href="/search/physics?searchtype=author&query=Ampudia%2C+P">P. Ampudia</a>, <a href="/search/physics?searchtype=author&query=Antonioli%2C+P">P. Antonioli</a>, <a href="/search/physics?searchtype=author&query=Arcelli%2C+S">S. Arcelli</a>, <a href="/search/physics?searchtype=author&query=Ardito%2C+R">R. Ardito</a>, <a href="/search/physics?searchtype=author&query=Arnquist%2C+I+J">I. J. Arnquist</a>, <a href="/search/physics?searchtype=author&query=Asner%2C+D+M">D. M. Asner</a>, <a href="/search/physics?searchtype=author&query=Back%2C+H+O">H. O. Back</a>, <a href="/search/physics?searchtype=author&query=Batignani%2C+G">G. Batignani</a>, <a href="/search/physics?searchtype=author&query=Bertoldo%2C+E">E. Bertoldo</a>, <a href="/search/physics?searchtype=author&query=Bettarini%2C+S">S. Bettarini</a>, <a href="/search/physics?searchtype=author&query=Bisogni%2C+M+G">M. G. Bisogni</a>, <a href="/search/physics?searchtype=author&query=Bocci%2C+V">V. Bocci</a>, <a href="/search/physics?searchtype=author&query=Bondar%2C+A">A. Bondar</a>, <a href="/search/physics?searchtype=author&query=Bonfini%2C+G">G. Bonfini</a>, <a href="/search/physics?searchtype=author&query=Bonivento%2C+W">W. Bonivento</a>, <a href="/search/physics?searchtype=author&query=Bossa%2C+M">M. Bossa</a>, <a href="/search/physics?searchtype=author&query=Bottino%2C+B">B. Bottino</a>, <a href="/search/physics?searchtype=author&query=Bunker%2C+R">R. Bunker</a> , et al. (246 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1705.07028v3-abstract-short" style="display: inline;"> We report on the cryogenic characterization of Red Green Blue - High Density (RGB-HD) SiPMs developed at Fondazione Bruno Kessler (FBK) as part of the DarkSide program of dark matter searches with liquid argon time projection chambers. A dedicated setup was used to measure the primary dark noise, the correlated noise, and the gain of the SiPMs at varying temperatures. A custom-made data acquisitio… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1705.07028v3-abstract-full').style.display = 'inline'; document.getElementById('1705.07028v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1705.07028v3-abstract-full" style="display: none;"> We report on the cryogenic characterization of Red Green Blue - High Density (RGB-HD) SiPMs developed at Fondazione Bruno Kessler (FBK) as part of the DarkSide program of dark matter searches with liquid argon time projection chambers. A dedicated setup was used to measure the primary dark noise, the correlated noise, and the gain of the SiPMs at varying temperatures. A custom-made data acquisition system and analysis software were used to precisely characterize these parameters. We demonstrate that FBK RGB-HD SiPMs with low quenching resistance (RGB-HD-LR$_q$) can be operated from 40 K to 300 K with gains in the range $10^5$ to $10^6$ and noise rates on the order of a few Hz/mm$^2$. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1705.07028v3-abstract-full').style.display = 'none'; document.getElementById('1705.07028v3-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 September, 2017; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 19 May, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2017. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1311.6995">arXiv:1311.6995</a> <span> [<a href="https://arxiv.org/pdf/1311.6995">pdf</a>, <a href="https://arxiv.org/ps/1311.6995">ps</a>, <a href="https://arxiv.org/format/1311.6995">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"> Measurement of cosmic muon charge ratio with the Large Volume Detector </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Agafonova%2C+N+Y">N. Yu. Agafonova</a>, <a href="/search/physics?searchtype=author&query=Aglietta%2C+M">M. Aglietta</a>, <a href="/search/physics?searchtype=author&query=Antonioli%2C+P">P. Antonioli</a>, <a href="/search/physics?searchtype=author&query=Bari%2C+G">G. Bari</a>, <a href="/search/physics?searchtype=author&query=Bertoni%2C+R">R. Bertoni</a>, <a href="/search/physics?searchtype=author&query=Boyarkin%2C+V+V">V. V. Boyarkin</a>, <a href="/search/physics?searchtype=author&query=Bressan%2C+E">E. Bressan</a>, <a href="/search/physics?searchtype=author&query=Bruno%2C+G">G. Bruno</a>, <a href="/search/physics?searchtype=author&query=Dadykin%2C+V+L">V. L. Dadykin</a>, <a href="/search/physics?searchtype=author&query=Dobrynina%2C+E+A">E. A. Dobrynina</a>, <a href="/search/physics?searchtype=author&query=Enikeev%2C+R+I">R. I. Enikeev</a>, <a href="/search/physics?searchtype=author&query=Fulgione%2C+W">W. Fulgione</a>, <a href="/search/physics?searchtype=author&query=Galeotti%2C+P">P. Galeotti</a>, <a href="/search/physics?searchtype=author&query=Garbini%2C+M">M. Garbini</a>, <a href="/search/physics?searchtype=author&query=Ghia%2C+P+L">P. L. Ghia</a>, <a href="/search/physics?searchtype=author&query=Giusti%2C+P">P. Giusti</a>, <a href="/search/physics?searchtype=author&query=Kemp%2C+E">E. Kemp</a>, <a href="/search/physics?searchtype=author&query=Malgin%2C+A+S">A. S. Malgin</a>, <a href="/search/physics?searchtype=author&query=Miguez%2C+B">B. Miguez</a>, <a href="/search/physics?searchtype=author&query=Molinario%2C+A">A. Molinario</a>, <a href="/search/physics?searchtype=author&query=Persiani%2C+R">R. Persiani</a>, <a href="/search/physics?searchtype=author&query=Pless%2C+I+A">I. A. Pless</a>, <a href="/search/physics?searchtype=author&query=Ryasny%2C+V+G">V. G. Ryasny</a>, <a href="/search/physics?searchtype=author&query=Ryazhskaya%2C+O+G">O. G. Ryazhskaya</a>, <a href="/search/physics?searchtype=author&query=Saavedra%2C+O">O. Saavedra</a> , et al. (6 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="1311.6995v5-abstract-short" style="display: inline;"> The charge ratio ${k \equiv 渭^+/渭^-}$ for atmospheric muons has been measured using Large Volume Detector (LVD) in the INFN Gran Sasso National Laboratory, Italy (minimal depth is 3000 m w.e.). To reach this depth muons should have the energy at the sea level greater than 1.3 TeV. The muon charge ratio was defined using the number of the decays of stopping positive muons in the LVD iron structure… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1311.6995v5-abstract-full').style.display = 'inline'; document.getElementById('1311.6995v5-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1311.6995v5-abstract-full" style="display: none;"> The charge ratio ${k \equiv 渭^+/渭^-}$ for atmospheric muons has been measured using Large Volume Detector (LVD) in the INFN Gran Sasso National Laboratory, Italy (minimal depth is 3000 m w.e.). To reach this depth muons should have the energy at the sea level greater than 1.3 TeV. The muon charge ratio was defined using the number of the decays of stopping positive muons in the LVD iron structure and the decays of positive and negative muons in scintillator. We have obtained the value of the muon charge ratio ${k}$ ${= 1.26 \pm 0.04(stat) \pm 0.11(sys)}$. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1311.6995v5-abstract-full').style.display = 'none'; document.getElementById('1311.6995v5-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 February, 2015; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 27 November, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2013. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">16 pages, 7 figures, 1 table. Version submitted for publication</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1206.2488">arXiv:1206.2488</a> <span> [<a href="https://arxiv.org/pdf/1206.2488">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> Determination of a time-shift in the OPERA set-up using high energy horizontal muons in the LVD and OPERA detectors </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Agafonova%2C+N+Y">N. Yu. Agafonova</a>, <a href="/search/physics?searchtype=author&query=Antonioli%2C+P">P. Antonioli</a>, <a href="/search/physics?searchtype=author&query=Ashikhmin%2C+V+V">V. V. Ashikhmin</a>, <a href="/search/physics?searchtype=author&query=Bari%2C+G">G. Bari</a>, <a href="/search/physics?searchtype=author&query=Bressan%2C+E">E. Bressan</a>, <a href="/search/physics?searchtype=author&query=Evans%2C+L">L. Evans</a>, <a href="/search/physics?searchtype=author&query=Garbini%2C+M">M. Garbini</a>, <a href="/search/physics?searchtype=author&query=Giusti%2C+P">P. Giusti</a>, <a href="/search/physics?searchtype=author&query=Malguin%2C+A+S">A. S. Malguin</a>, <a href="/search/physics?searchtype=author&query=Persiani%2C+R">R. Persiani</a>, <a href="/search/physics?searchtype=author&query=Ryasny%2C+V+G">V. G. Ryasny</a>, <a href="/search/physics?searchtype=author&query=Ryazhskaya%2C+O+G">O. G. Ryazhskaya</a>, <a href="/search/physics?searchtype=author&query=Sartorelli%2C+G">G. Sartorelli</a>, <a href="/search/physics?searchtype=author&query=Scapparone%2C+E">E. Scapparone</a>, <a href="/search/physics?searchtype=author&query=Selvi%2C+M">M. Selvi</a>, <a href="/search/physics?searchtype=author&query=Shakirianova%2C+I+R">I. R. Shakirianova</a>, <a href="/search/physics?searchtype=author&query=Votano%2C+L">L. Votano</a>, <a href="/search/physics?searchtype=author&query=Wenninger%2C+H">H. Wenninger</a>, <a href="/search/physics?searchtype=author&query=Yakushev%2C+V+F">V. F. Yakushev</a>, <a href="/search/physics?searchtype=author&query=Zichichi%2C+A">A. Zichichi</a>, <a href="/search/physics?searchtype=author&query=Agafonova%2C+N">N. Agafonova</a>, <a href="/search/physics?searchtype=author&query=Alexandrov%2C+A">A. Alexandrov</a>, <a href="/search/physics?searchtype=author&query=Bertolin%2C+A">A. Bertolin</a>, <a href="/search/physics?searchtype=author&query=Brugnera%2C+R">R. Brugnera</a>, <a href="/search/physics?searchtype=author&query=Buttner%2C+B">B. Buttner</a> , et al. (66 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="1206.2488v1-abstract-short" style="display: inline;"> The purpose of this work is to report the measurement of a time-shift in the OPERA set-up in a totally independent way from Time Of Flight (TOF) measurements of CNGS neutrino events. The LVD and OPERA experiments are both installed in the same laboratory: LNGS. The relative position of the two detectors, separated by an average distance of ~ 160 m, allows the use of very high energy horizontal muo… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1206.2488v1-abstract-full').style.display = 'inline'; document.getElementById('1206.2488v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1206.2488v1-abstract-full" style="display: none;"> The purpose of this work is to report the measurement of a time-shift in the OPERA set-up in a totally independent way from Time Of Flight (TOF) measurements of CNGS neutrino events. The LVD and OPERA experiments are both installed in the same laboratory: LNGS. The relative position of the two detectors, separated by an average distance of ~ 160 m, allows the use of very high energy horizontal muons to cross-calibrate the timing systems of the two detectors, using a TOF technique which is totally independent from TOF of CNGS neutrino events. Indeed, the OPERA-LVD direction lies along the so-called "Teramo anomaly", a region in the Gran Sasso massif where LVD has established, many years ago, the existence of an anomaly in the mountain structure, which exhibits a low m. w. e. thickness for horizontal directions. The "abundant" high-energy horizontal muons (nearly 100 per year) going through LVD and OPERA exist because of this anomaly in the mountain orography. The total live time of the data in coincidence correspond to 1200 days from mid 2007 until March 2012. The time coincidence study of LVD and OPERA detectors is based on 306 cosmic horizontal muon events and shows the existence of a negative time shift in the OPERA set-up of the order of deltaT(AB) = - (73 \pm 9) ns when two calendar periods, A and B, are compared. This result shows a systematic effect in the OPERA timing system from August 2008 until December 2011. The size of the effect is comparable with the neutrino velocity excess recently measured by OPERA. It is probably interesting not to forget that with the MRPC technology developed by the ALICE Bologna group the TOF world record accuracy of 20 ps was reached. That technology can be implemented at LNGS for a high precision determination of TOF with the CNGS neutrino beams of an order of magnitude smaller than the value of the OPERA systematic effect. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1206.2488v1-abstract-full').style.display = 'none'; document.getElementById('1206.2488v1-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 June, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2012. </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 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