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class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.nima.2020.164807">10.1016/j.nima.2020.164807 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The GlueX Beamline and Detector </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Adhikari%2C+S">S. Adhikari</a>, <a href="/search/physics?searchtype=author&query=Akondi%2C+C+S">C. S. Akondi</a>, <a href="/search/physics?searchtype=author&query=Ghoul%2C+H+A">H. Al Ghoul</a>, <a href="/search/physics?searchtype=author&query=Ali%2C+A">A. Ali</a>, <a href="/search/physics?searchtype=author&query=Amaryan%2C+M">M. Amaryan</a>, <a href="/search/physics?searchtype=author&query=Anassontzis%2C+E+G">E. G. Anassontzis</a>, <a href="/search/physics?searchtype=author&query=Austregesilo%2C+A">A. Austregesilo</a>, <a href="/search/physics?searchtype=author&query=Barbosa%2C+F">F. Barbosa</a>, <a href="/search/physics?searchtype=author&query=Barlow%2C+J">J. Barlow</a>, <a href="/search/physics?searchtype=author&query=Barnes%2C+A">A. Barnes</a>, <a href="/search/physics?searchtype=author&query=Barriga%2C+E">E. Barriga</a>, <a href="/search/physics?searchtype=author&query=Barsotti%2C+R">R. Barsotti</a>, <a href="/search/physics?searchtype=author&query=Beattie%2C+T+D">T. D. Beattie</a>, <a href="/search/physics?searchtype=author&query=Benesch%2C+J">J. Benesch</a>, <a href="/search/physics?searchtype=author&query=Berdnikov%2C+V+V">V. V. Berdnikov</a>, <a href="/search/physics?searchtype=author&query=Biallas%2C+G">G. Biallas</a>, <a href="/search/physics?searchtype=author&query=Black%2C+T">T. Black</a>, <a href="/search/physics?searchtype=author&query=Boeglin%2C+W">W. Boeglin</a>, <a href="/search/physics?searchtype=author&query=Brindza%2C+P">P. Brindza</a>, <a href="/search/physics?searchtype=author&query=Briscoe%2C+W+J">W. J. Briscoe</a>, <a href="/search/physics?searchtype=author&query=Britton%2C+T">T. Britton</a>, <a href="/search/physics?searchtype=author&query=Brock%2C+J">J. Brock</a>, <a href="/search/physics?searchtype=author&query=Brooks%2C+W+K">W. K. Brooks</a>, <a href="/search/physics?searchtype=author&query=Cannon%2C+B+E">B. E. Cannon</a>, <a href="/search/physics?searchtype=author&query=Carlin%2C+C">C. Carlin</a> , et al. (165 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2005.14272v2-abstract-short" style="display: inline;"> The GlueX experiment at Jefferson Lab has been designed to study photoproduction reactions with a 9-GeV linearly polarized photon beam. The energy and arrival time of beam photons are tagged using a scintillator hodoscope and a scintillating fiber array. The photon flux is determined using a pair spectrometer, while the linear polarization of the photon beam is determined using a polarimeter based… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2005.14272v2-abstract-full').style.display = 'inline'; document.getElementById('2005.14272v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2005.14272v2-abstract-full" style="display: none;"> The GlueX experiment at Jefferson Lab has been designed to study photoproduction reactions with a 9-GeV linearly polarized photon beam. The energy and arrival time of beam photons are tagged using a scintillator hodoscope and a scintillating fiber array. The photon flux is determined using a pair spectrometer, while the linear polarization of the photon beam is determined using a polarimeter based on triplet photoproduction. Charged-particle tracks from interactions in the central target are analyzed in a solenoidal field using a central straw-tube drift chamber and six packages of planar chambers with cathode strips and drift wires. Electromagnetic showers are reconstructed in a cylindrical scintillating fiber calorimeter inside the magnet and a lead-glass array downstream. Charged particle identification is achieved by measuring energy loss in the wire chambers and using the flight time of particles between the target and detectors outside the magnet. The signals from all detectors are recorded with flash ADCs and/or pipeline TDCs into memories allowing trigger decisions with a latency of 3.3 $渭$s. The detector operates routinely at trigger rates of 40 kHz and data rates of 600 megabytes per second. We describe the photon beam, the GlueX detector components, electronics, data-acquisition and monitoring systems, and the performance of the experiment during the first three years of operation. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2005.14272v2-abstract-full').style.display = 'none'; document.getElementById('2005.14272v2-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, 2020; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 28 May, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2020. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Accepted by Nuclear Instruments and Methods A, 78 pages, 54 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> JLAB-PHY-20-3195 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Nucl. Instrum. & Meth. A987, 164807 (2021) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1902.06083">arXiv:1902.06083</a> <span> [<a href="https://arxiv.org/pdf/1902.06083">pdf</a>, <a href="https://arxiv.org/format/1902.06083">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1140/epjc/s10052-019-7259-5">10.1140/epjc/s10052-019-7259-5 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Letter of Interest for a Neutrino Beam from Protvino to KM3NeT/ORCA </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Akindinov%2C+A+V">A. V. Akindinov</a>, <a href="/search/physics?searchtype=author&query=Anassontzis%2C+E+G">E. G. Anassontzis</a>, <a href="/search/physics?searchtype=author&query=Anton%2C+G">G. Anton</a>, <a href="/search/physics?searchtype=author&query=Ardid%2C+M">M. Ardid</a>, <a href="/search/physics?searchtype=author&query=Aublin%2C+J">J. Aublin</a>, <a href="/search/physics?searchtype=author&query=Baret%2C+B">B. Baret</a>, <a href="/search/physics?searchtype=author&query=Bertin%2C+V">V. Bertin</a>, <a href="/search/physics?searchtype=author&query=Bourret%2C+S">S. Bourret</a>, <a href="/search/physics?searchtype=author&query=Bozza%2C+C">C. Bozza</a>, <a href="/search/physics?searchtype=author&query=Bruchner%2C+M">M. Bruchner</a>, <a href="/search/physics?searchtype=author&query=Bruijn%2C+R">R. Bruijn</a>, <a href="/search/physics?searchtype=author&query=Brunner%2C+J">J. Brunner</a>, <a href="/search/physics?searchtype=author&query=Chabab%2C+M">M. Chabab</a>, <a href="/search/physics?searchtype=author&query=Chau%2C+N">N. Chau</a>, <a href="/search/physics?searchtype=author&query=Chepurnov%2C+A+S">A. S. Chepurnov</a>, <a href="/search/physics?searchtype=author&query=Molla%2C+M+C">M. Colomer Molla</a>, <a href="/search/physics?searchtype=author&query=Coyle%2C+P">P. Coyle</a>, <a href="/search/physics?searchtype=author&query=Creusot%2C+A">A. Creusot</a>, <a href="/search/physics?searchtype=author&query=de+Wasseige%2C+G">G. de Wasseige</a>, <a href="/search/physics?searchtype=author&query=Domi%2C+A">A. Domi</a>, <a href="/search/physics?searchtype=author&query=Donzaud%2C+C">C. Donzaud</a>, <a href="/search/physics?searchtype=author&query=Eberl%2C+T">T. Eberl</a>, <a href="/search/physics?searchtype=author&query=Enzenh%C3%B6fer%2C+A">A. Enzenh枚fer</a>, <a href="/search/physics?searchtype=author&query=Faifman%2C+M">M. Faifman</a>, <a href="/search/physics?searchtype=author&query=Filipovi%C4%87%2C+M+D">M. D. Filipovi膰</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="1902.06083v3-abstract-short" style="display: inline;"> The Protvino accelerator facility located in the Moscow region, Russia, is in a good position to offer a rich experimental research program in the field of neutrino physics. Of particular interest is the possibility to direct a neutrino beam from Protvino towards the KM3NeT/ORCA detector, which is currently under construction in the Mediterranean Sea 40 km offshore Toulon, France. This proposal is… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1902.06083v3-abstract-full').style.display = 'inline'; document.getElementById('1902.06083v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1902.06083v3-abstract-full" style="display: none;"> The Protvino accelerator facility located in the Moscow region, Russia, is in a good position to offer a rich experimental research program in the field of neutrino physics. Of particular interest is the possibility to direct a neutrino beam from Protvino towards the KM3NeT/ORCA detector, which is currently under construction in the Mediterranean Sea 40 km offshore Toulon, France. This proposal is known as P2O. Thanks to its baseline of 2595 km, this experiment would yield an unparalleled sensitivity to matter effects in the Earth, allowing for the determination of the neutrino mass ordering with a high level of certainty after only a few years of running at a modest beam intensity of $\approx$ 90 kW. With a prolonged exposure ($\approx$ 1500 kW*yr), a 2$蟽$ sensitivity to the leptonic CP-violating Dirac phase can be achieved. A second stage of the experiment, comprising a further intensity upgrade of the accelerator complex and a densified version of the ORCA detector (Super-ORCA), would allow for up to a 6$蟽$ sensitivity to CP violation and a 10$^\circ$-17$^\circ$ resolution on the CP phase after 10 years of running with a 450 kW beam, competitive with other planned experiments. The initial composition and energy spectrum of the neutrino beam would need to be monitored by a near detector, to be constructed several hundred meters downstream from the proton beam target. The same neutrino beam and near detector set-up would also allow for neutrino-nucleus cross section measurements to be performed. A short-baseline sterile neutrino search experiment would also be possible. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1902.06083v3-abstract-full').style.display = 'none'; document.getElementById('1902.06083v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 21 August, 2019; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 16 February, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2019. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">27 pages, 15 figures, 2 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 (2019) 79: 758 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1801.03088">arXiv:1801.03088</a> <span> [<a href="https://arxiv.org/pdf/1801.03088">pdf</a>, <a href="https://arxiv.org/format/1801.03088">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="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.nima.2018.04.006">10.1016/j.nima.2018.04.006 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Construction and Performance of the Barrel Electromagnetic Calorimeter for the GlueX Experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Beattie%2C+T">Tegan Beattie</a>, <a href="/search/physics?searchtype=author&query=Foda%2C+A">Ahmed Foda</a>, <a href="/search/physics?searchtype=author&query=Henschel%2C+C">Colleen Henschel</a>, <a href="/search/physics?searchtype=author&query=Katsaganis%2C+S">S Katsaganis</a>, <a href="/search/physics?searchtype=author&query=Krueger%2C+S">Shaun Krueger</a>, <a href="/search/physics?searchtype=author&query=Lolos%2C+G">George Lolos</a>, <a href="/search/physics?searchtype=author&query=Papandreou%2C+Z">Zisis Papandreou</a>, <a href="/search/physics?searchtype=author&query=Plummer%2C+E+L">E. L. Plummer</a>, <a href="/search/physics?searchtype=author&query=Semenova%2C+I">Irina Semenova</a>, <a href="/search/physics?searchtype=author&query=Semenov%2C+A">Andrei Semenov</a>, <a href="/search/physics?searchtype=author&query=Barbosa%2C+F">Fernando Barbosa</a>, <a href="/search/physics?searchtype=author&query=Chudakov%2C+E">Eugene Chudakov</a>, <a href="/search/physics?searchtype=author&query=Dalton%2C+M">Mark Dalton</a>, <a href="/search/physics?searchtype=author&query=Lawrence%2C+D">David Lawrence</a>, <a href="/search/physics?searchtype=author&query=Qiang%2C+Y">Yi Qiang</a>, <a href="/search/physics?searchtype=author&query=Sandoval%2C+N">Nicholas Sandoval</a>, <a href="/search/physics?searchtype=author&query=Smith%2C+E">Elton Smith</a>, <a href="/search/physics?searchtype=author&query=Stanislav%2C+C">Christopher Stanislav</a>, <a href="/search/physics?searchtype=author&query=Stevens%2C+J">Justin Stevens</a>, <a href="/search/physics?searchtype=author&query=Taylor%2C+S">Simon Taylor</a>, <a href="/search/physics?searchtype=author&query=Whitlatch%2C+T">Timothy Whitlatch</a>, <a href="/search/physics?searchtype=author&query=Zihlmann%2C+B">Benedikt Zihlmann</a>, <a href="/search/physics?searchtype=author&query=Levine%2C+W">William Levine</a>, <a href="/search/physics?searchtype=author&query=McGinley%2C+W">William McGinley</a>, <a href="/search/physics?searchtype=author&query=Meyer%2C+C">Curtis Meyer</a> , et al. (14 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="1801.03088v2-abstract-short" style="display: inline;"> The barrel calorimeter is part of the new spectrometer installed in Hall D at Jefferson Lab for the GlueX experiment. The calorimeter was installed in 2013, commissioned in 2014 and has been operating routinely since early 2015. The detector configuration, associated Monte Carlo simulations, calibration and operational performance are described herein. The calorimeter records the time and energy d… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1801.03088v2-abstract-full').style.display = 'inline'; document.getElementById('1801.03088v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1801.03088v2-abstract-full" style="display: none;"> The barrel calorimeter is part of the new spectrometer installed in Hall D at Jefferson Lab for the GlueX experiment. The calorimeter was installed in 2013, commissioned in 2014 and has been operating routinely since early 2015. The detector configuration, associated Monte Carlo simulations, calibration and operational performance are described herein. The calorimeter records the time and energy deposited by charged and neutral particles created by a multi-GeV photon beam. It is constructed as a lead and scintillating-fiber calorimeter and read out with 3840 large-area silicon photomultiplier arrays. Particles impinge on the detector over a wide range of angles, from normal incidence at 90 degrees down to 11.5 degrees, which defines a geometry that is fairly unique among calorimeters. The response of the calorimeter has been measured during a running experiment and performs as expected for electromagnetic showers below 2.5 GeV. We characterize the performance of the BCAL using the energy resolution integrated over typical angular distributions for $蟺^0$ and $畏$ production of $蟽_E/E$=5.2\%/$\sqrt{E(\rm{GeV})} \oplus$ 3.6\% and a timing resolution of $蟽$\,=\,150\,ps at 1\,GeV. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1801.03088v2-abstract-full').style.display = 'none'; document.getElementById('1801.03088v2-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 April, 2018; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 9 January, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2018. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">46 pages, 33 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> JLAB-PHY-18-2624 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> NIM A896 (2018) 24-42 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1612.05621">arXiv:1612.05621</a> <span> [<a href="https://arxiv.org/pdf/1612.05621">pdf</a>, <a href="https://arxiv.org/format/1612.05621">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> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1007/JHEP05(2017)008">10.1007/JHEP05(2017)008 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Intrinsic limits on resolutions in muon- and electron-neutrino charged-current events in the KM3NeT/ORCA detector </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Adri%C3%A1n-Mart%C3%ADnez%2C+S">S. Adri谩n-Mart铆nez</a>, <a href="/search/physics?searchtype=author&query=Ageron%2C+M">M. Ageron</a>, <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=Ameli%2C+F">F. Ameli</a>, <a href="/search/physics?searchtype=author&query=Anassontzis%2C+E+G">E. G. Anassontzis</a>, <a href="/search/physics?searchtype=author&query=Andre%2C+M">M. Andre</a>, <a href="/search/physics?searchtype=author&query=Androulakis%2C+G">G. Androulakis</a>, <a href="/search/physics?searchtype=author&query=Anghinolfi%2C+M">M. Anghinolfi</a>, <a href="/search/physics?searchtype=author&query=Anton%2C+G">G. Anton</a>, <a href="/search/physics?searchtype=author&query=Ardid%2C+M">M. Ardid</a>, <a href="/search/physics?searchtype=author&query=Avgitas%2C+T">T. Avgitas</a>, <a href="/search/physics?searchtype=author&query=Barbarino%2C+G">G. Barbarino</a>, <a href="/search/physics?searchtype=author&query=Barbarito%2C+E">E. Barbarito</a>, <a href="/search/physics?searchtype=author&query=Baret%2C+B">B. Baret</a>, <a href="/search/physics?searchtype=author&query=Barrios-Mart%C3%AD%2C+J">J. Barrios-Mart铆</a>, <a href="/search/physics?searchtype=author&query=Belias%2C+A">A. Belias</a>, <a href="/search/physics?searchtype=author&query=Berbee%2C+E">E. Berbee</a>, <a href="/search/physics?searchtype=author&query=Berg%2C+A+v+d">A. van den Berg</a>, <a href="/search/physics?searchtype=author&query=Bertin%2C+V">V. Bertin</a>, <a href="/search/physics?searchtype=author&query=Beurthey%2C+S">S. Beurthey</a>, <a href="/search/physics?searchtype=author&query=van+Beveren%2C+V">V. van Beveren</a>, <a href="/search/physics?searchtype=author&query=Beverini%2C+N">N. Beverini</a>, <a href="/search/physics?searchtype=author&query=Biagi%2C+S">S. Biagi</a>, <a href="/search/physics?searchtype=author&query=Biagioni%2C+A">A. Biagioni</a> , et al. (228 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1612.05621v2-abstract-short" style="display: inline;"> Studying atmospheric neutrino oscillations in the few-GeV range with a multimegaton detector promises to determine the neutrino mass hierarchy. This is the main science goal pursued by the future KM3NeT/ORCA water Cherenkov detector in the Mediterranean Sea. In this paper, the processes that limit the obtainable resolution in both energy and direction in charged-current neutrino events in the ORCA… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1612.05621v2-abstract-full').style.display = 'inline'; document.getElementById('1612.05621v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1612.05621v2-abstract-full" style="display: none;"> Studying atmospheric neutrino oscillations in the few-GeV range with a multimegaton detector promises to determine the neutrino mass hierarchy. This is the main science goal pursued by the future KM3NeT/ORCA water Cherenkov detector in the Mediterranean Sea. In this paper, the processes that limit the obtainable resolution in both energy and direction in charged-current neutrino events in the ORCA detector are investigated. These processes include the composition of the hadronic fragmentation products, the subsequent particle propagation and the photon-sampling fraction of the detector. GEANT simulations of neutrino interactions in seawater produced by GENIE are used to study the effects in the 1 - 20 GeV range. It is found that fluctuations in the hadronic cascade in conjunction with the variation of the inelasticity y are most detrimental to the resolutions. The effect of limited photon sampling in the detector is of significantly less importance. These results will therefore also be applicable to similar detectors/media, such as those in ice. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1612.05621v2-abstract-full').style.display = 'none'; document.getElementById('1612.05621v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 19 May, 2017; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 29 November, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">37 pages, 28 figures, JHEP published version</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> The KM3NeT collaboration, Adri{谩}n-Mart{\'谋}nez, S., Ageron, M. et al. J. High Energ. Phys. (2017) 2017: 8 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1601.07459">arXiv:1601.07459</a> <span> [<a href="https://arxiv.org/pdf/1601.07459">pdf</a>, <a href="https://arxiv.org/format/1601.07459">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="High Energy Astrophysical Phenomena">astro-ph.HE</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="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/10.1088/0954-3899/43/8/084001">10.1088/0954-3899/43/8/084001 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Letter of Intent for KM3NeT 2.0 </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Adri%C3%A1n-Mart%C3%ADnez%2C+S">S. Adri谩n-Mart铆nez</a>, <a href="/search/physics?searchtype=author&query=Ageron%2C+M">M. Ageron</a>, <a href="/search/physics?searchtype=author&query=Aharonian%2C+F">F. Aharonian</a>, <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=Ameli%2C+F">F. Ameli</a>, <a href="/search/physics?searchtype=author&query=Anassontzis%2C+E">E. Anassontzis</a>, <a href="/search/physics?searchtype=author&query=Andre%2C+M">M. Andre</a>, <a href="/search/physics?searchtype=author&query=Androulakis%2C+G">G. Androulakis</a>, <a href="/search/physics?searchtype=author&query=Anghinolfi%2C+M">M. Anghinolfi</a>, <a href="/search/physics?searchtype=author&query=Anton%2C+G">G. Anton</a>, <a href="/search/physics?searchtype=author&query=Ardid%2C+M">M. Ardid</a>, <a href="/search/physics?searchtype=author&query=Avgitas%2C+T">T. Avgitas</a>, <a href="/search/physics?searchtype=author&query=Barbarino%2C+G">G. Barbarino</a>, <a href="/search/physics?searchtype=author&query=Barbarito%2C+E">E. Barbarito</a>, <a href="/search/physics?searchtype=author&query=Baret%2C+B">B. Baret</a>, <a href="/search/physics?searchtype=author&query=Barrios-Mart%C3%AD%2C+J">J. Barrios-Mart铆</a>, <a href="/search/physics?searchtype=author&query=Belhorma%2C+B">B. Belhorma</a>, <a href="/search/physics?searchtype=author&query=Belias%2C+A">A. Belias</a>, <a href="/search/physics?searchtype=author&query=Berbee%2C+E">E. Berbee</a>, <a href="/search/physics?searchtype=author&query=Berg%2C+A+v+d">A. van den Berg</a>, <a href="/search/physics?searchtype=author&query=Bertin%2C+V">V. Bertin</a>, <a href="/search/physics?searchtype=author&query=Beurthey%2C+S">S. Beurthey</a>, <a href="/search/physics?searchtype=author&query=van+Beveren%2C+V">V. van Beveren</a>, <a href="/search/physics?searchtype=author&query=Beverini%2C+N">N. Beverini</a> , et al. (222 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1601.07459v2-abstract-short" style="display: inline;"> The main objectives of the KM3NeT Collaboration are i) the discovery and subsequent observation of high-energy neutrino sources in the Universe and ii) the determination of the mass hierarchy of neutrinos. These objectives are strongly motivated by two recent important discoveries, namely: 1) The high-energy astrophysical neutrino signal reported by IceCube and 2) the sizable contribution of elect… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1601.07459v2-abstract-full').style.display = 'inline'; document.getElementById('1601.07459v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1601.07459v2-abstract-full" style="display: none;"> The main objectives of the KM3NeT Collaboration are i) the discovery and subsequent observation of high-energy neutrino sources in the Universe and ii) the determination of the mass hierarchy of neutrinos. These objectives are strongly motivated by two recent important discoveries, namely: 1) The high-energy astrophysical neutrino signal reported by IceCube and 2) the sizable contribution of electron neutrinos to the third neutrino mass eigenstate as reported by Daya Bay, Reno and others. To meet these objectives, the KM3NeT Collaboration plans to build a new Research Infrastructure consisting of a network of deep-sea neutrino telescopes in the Mediterranean Sea. A phased and distributed implementation is pursued which maximises the access to regional funds, the availability of human resources and the synergetic opportunities for the earth and sea sciences community. Three suitable deep-sea sites are identified, namely off-shore Toulon (France), Capo Passero (Italy) and Pylos (Greece). The infrastructure will consist of three so-called building blocks. A building block comprises 115 strings, each string comprises 18 optical modules and each optical module comprises 31 photo-multiplier tubes. Each building block thus constitutes a 3-dimensional array of photo sensors that can be used to detect the Cherenkov light produced by relativistic particles emerging from neutrino interactions. Two building blocks will be configured to fully explore the IceCube signal with different methodology, improved resolution and complementary field of view, including the Galactic plane. One building block will be configured to precisely measure atmospheric neutrino oscillations. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1601.07459v2-abstract-full').style.display = 'none'; document.getElementById('1601.07459v2-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 July, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 27 January, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">119 pages, published version, revised Eq. 6, 7</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Journal of Physics G: Nuclear and Particle Physics, 43 (8), 084001, 2016 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1512.03699">arXiv:1512.03699</a> <span> [<a href="https://arxiv.org/pdf/1512.03699">pdf</a>, <a href="https://arxiv.org/format/1512.03699">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1063/1.4949369">10.1063/1.4949369 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> First Results from The GlueX Experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=The+GlueX+Collaboration"> The GlueX Collaboration</a>, <a href="/search/physics?searchtype=author&query=Ghoul%2C+H+A">H. Al Ghoul</a>, <a href="/search/physics?searchtype=author&query=Anassontzis%2C+E+G">E. G. Anassontzis</a>, <a href="/search/physics?searchtype=author&query=Barbosa%2C+F">F. Barbosa</a>, <a href="/search/physics?searchtype=author&query=Barnes%2C+A">A. Barnes</a>, <a href="/search/physics?searchtype=author&query=Beattie%2C+T+D">T. D. Beattie</a>, <a href="/search/physics?searchtype=author&query=Bennett%2C+D+W">D. W. Bennett</a>, <a href="/search/physics?searchtype=author&query=Berdnikov%2C+V+V">V. V. Berdnikov</a>, <a href="/search/physics?searchtype=author&query=Black%2C+T">T. Black</a>, <a href="/search/physics?searchtype=author&query=Boeglin%2C+W">W. Boeglin</a>, <a href="/search/physics?searchtype=author&query=Brooks%2C+W+K">W. K. Brooks</a>, <a href="/search/physics?searchtype=author&query=Cannon%2C+B">B. Cannon</a>, <a href="/search/physics?searchtype=author&query=Chernyshov%2C+O">O. Chernyshov</a>, <a href="/search/physics?searchtype=author&query=Chudakov%2C+E">E. Chudakov</a>, <a href="/search/physics?searchtype=author&query=Crede%2C+V">V. Crede</a>, <a href="/search/physics?searchtype=author&query=Dalton%2C+M+M">M. M. Dalton</a>, <a href="/search/physics?searchtype=author&query=Deur%2C+A">A. Deur</a>, <a href="/search/physics?searchtype=author&query=Dobbs%2C+S">S. Dobbs</a>, <a href="/search/physics?searchtype=author&query=Dolgolenko%2C+A">A. Dolgolenko</a>, <a href="/search/physics?searchtype=author&query=Dugger%2C+M">M. Dugger</a>, <a href="/search/physics?searchtype=author&query=Egiyan%2C+H">H. Egiyan</a>, <a href="/search/physics?searchtype=author&query=Eugenio%2C+P">P. Eugenio</a>, <a href="/search/physics?searchtype=author&query=Foda%2C+A+M">A. M. Foda</a>, <a href="/search/physics?searchtype=author&query=Frye%2C+J">J. Frye</a>, <a href="/search/physics?searchtype=author&query=Furletov%2C+S">S. Furletov</a> , et al. (86 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1512.03699v4-abstract-short" style="display: inline;"> The GlueX experiment at Jefferson Lab ran with its first commissioning beam in late 2014 and the spring of 2015. Data were collected on both plastic and liquid hydrogen targets, and much of the detector has been commissioned. All of the detector systems are now performing at or near design specifications and events are being fully reconstructed, including exclusive production of $蟺^{0}$, $畏$ and… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1512.03699v4-abstract-full').style.display = 'inline'; document.getElementById('1512.03699v4-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1512.03699v4-abstract-full" style="display: none;"> The GlueX experiment at Jefferson Lab ran with its first commissioning beam in late 2014 and the spring of 2015. Data were collected on both plastic and liquid hydrogen targets, and much of the detector has been commissioned. All of the detector systems are now performing at or near design specifications and events are being fully reconstructed, including exclusive production of $蟺^{0}$, $畏$ and $蠅$ mesons. Linearly-polarized photons were successfully produced through coherent bremsstrahlung and polarization transfer to the $蟻$ has been observed. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1512.03699v4-abstract-full').style.display = 'none'; document.getElementById('1512.03699v4-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 January, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 11 December, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">8 pages, 6 figures, Invited contribution to the Hadron 2015 Conference, Newport News VA, September 2015</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> JLAB-PHY-16-2195 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> AIP Conf. Proc. 1735, 020001 (2016) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1510.01561">arXiv:1510.01561</a> <span> [<a href="https://arxiv.org/pdf/1510.01561">pdf</a>, <a href="https://arxiv.org/format/1510.01561">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="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1140/epjc/s10052-015-3868-9">10.1140/epjc/s10052-015-3868-9 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The prototype detection unit of the KM3NeT detector </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=KM3NeT+Collaboration"> KM3NeT Collaboration</a>, <a href="/search/physics?searchtype=author&query=Adri%C3%A1n-Mart%C3%ADnez%2C+S">S. Adri谩n-Mart铆nez</a>, <a href="/search/physics?searchtype=author&query=Ageron%2C+M">M. Ageron</a>, <a href="/search/physics?searchtype=author&query=Aharonian%2C+F">F. Aharonian</a>, <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=Ameli%2C+F">F. Ameli</a>, <a href="/search/physics?searchtype=author&query=Anassontzis%2C+E+G">E. G. Anassontzis</a>, <a href="/search/physics?searchtype=author&query=Androulakis%2C+G+C">G. C. Androulakis</a>, <a href="/search/physics?searchtype=author&query=Anghinolfi%2C+M">M. Anghinolfi</a>, <a href="/search/physics?searchtype=author&query=Anton%2C+G">G. Anton</a>, <a href="/search/physics?searchtype=author&query=Anvar%2C+S">S. Anvar</a>, <a href="/search/physics?searchtype=author&query=Ardid%2C+M">M. Ardid</a>, <a href="/search/physics?searchtype=author&query=Avgitas%2C+T">T. Avgitas</a>, <a href="/search/physics?searchtype=author&query=Balasi%2C+K">K. Balasi</a>, <a href="/search/physics?searchtype=author&query=Band%2C+H">H. Band</a>, <a href="/search/physics?searchtype=author&query=Barbarino%2C+G">G. Barbarino</a>, <a href="/search/physics?searchtype=author&query=Barbarito%2C+E">E. Barbarito</a>, <a href="/search/physics?searchtype=author&query=Barbato%2C+F">F. Barbato</a>, <a href="/search/physics?searchtype=author&query=Baret%2C+B">B. Baret</a>, <a href="/search/physics?searchtype=author&query=Baron%2C+S">S. Baron</a>, <a href="/search/physics?searchtype=author&query=Barrios%2C+J">J. Barrios</a>, <a href="/search/physics?searchtype=author&query=Belias%2C+A">A. Belias</a>, <a href="/search/physics?searchtype=author&query=Berbee%2C+E">E. Berbee</a>, <a href="/search/physics?searchtype=author&query=Berg%2C+A+M+v+d">A. M. van den Berg</a> , et al. (224 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1510.01561v2-abstract-short" style="display: inline;"> A prototype detection unit of the KM3NeT deep-sea neutrino telescope has been installed at 3500m depth 80km offshore the Italian coast. KM3NeT in its final configuration will contain several hundreds of detection units. Each detection unit is a mechanical structure anchored to the sea floor, held vertical by a submerged buoy and supporting optical modules for the detection of Cherenkov light emitt… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1510.01561v2-abstract-full').style.display = 'inline'; document.getElementById('1510.01561v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1510.01561v2-abstract-full" style="display: none;"> A prototype detection unit of the KM3NeT deep-sea neutrino telescope has been installed at 3500m depth 80km offshore the Italian coast. KM3NeT in its final configuration will contain several hundreds of detection units. Each detection unit is a mechanical structure anchored to the sea floor, held vertical by a submerged buoy and supporting optical modules for the detection of Cherenkov light emitted by charged secondary particles emerging from neutrino interactions. This prototype string implements three optical modules with 31 photomultiplier tubes each. These optical modules were developed by the KM3NeT Collaboration to enhance the detection capability of neutrino interactions. The prototype detection unit was operated since its deployment in May 2014 until its decommissioning in July 2015. Reconstruction of the particle trajectories from the data requires a nanosecond accuracy in the time calibration. A procedure for relative time calibration of the photomultiplier tubes contained in each optical module is described. This procedure is based on the measured coincidences produced in the sea by the 40K background light and can easily be expanded to a detector with several thousands of optical modules. The time offsets between the different optical modules are obtained using LED nanobeacons mounted inside them. A set of data corresponding to 600 hours of livetime was analysed. The results show good agreement with Monte Carlo simulations of the expected optical background and the signal from atmospheric muons. An almost background-free sample of muons was selected by filtering the time correlated signals on all the three optical modules. The zenith angle of the selected muons was reconstructed with a precision of about 3掳. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1510.01561v2-abstract-full').style.display = 'none'; document.getElementById('1510.01561v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 23 December, 2015; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 6 October, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Accepted for publication by EPJ C</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 (2016) 76:54 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1408.0215">arXiv:1408.0215</a> <span> [<a href="https://arxiv.org/pdf/1408.0215">pdf</a>, <a href="https://arxiv.org/format/1408.0215">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"> A study of decays to strange final states with GlueX in Hall D using components of the BaBar DIRC </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=The+GlueX+Collaboration"> The GlueX Collaboration</a>, <a href="/search/physics?searchtype=author&query=Dugger%2C+M">M. Dugger</a>, <a href="/search/physics?searchtype=author&query=Ritchie%2C+B">B. Ritchie</a>, <a href="/search/physics?searchtype=author&query=Senderovich%2C+I">I. Senderovich</a>, <a href="/search/physics?searchtype=author&query=Anassontzis%2C+E">E. Anassontzis</a>, <a href="/search/physics?searchtype=author&query=Ioannou%2C+P">P. Ioannou</a>, <a href="/search/physics?searchtype=author&query=Kourkoumeli%2C+C">C. Kourkoumeli</a>, <a href="/search/physics?searchtype=author&query=Vasileiadis%2C+G">G. Vasileiadis</a>, <a href="/search/physics?searchtype=author&query=Voulgaris%2C+G">G. Voulgaris</a>, <a href="/search/physics?searchtype=author&query=Jarvis%2C+N">N. Jarvis</a>, <a href="/search/physics?searchtype=author&query=Levine%2C+W">W. Levine</a>, <a href="/search/physics?searchtype=author&query=Mattione%2C+P">P. Mattione</a>, <a href="/search/physics?searchtype=author&query=McGinley%2C+W">W. McGinley</a>, <a href="/search/physics?searchtype=author&query=Meyer%2C+C+A">C. A. Meyer</a>, <a href="/search/physics?searchtype=author&query=Schumacher%2C+R">R. Schumacher</a>, <a href="/search/physics?searchtype=author&query=Staib%2C+M">M. Staib</a>, <a href="/search/physics?searchtype=author&query=Klein%2C+F">F. Klein</a>, <a href="/search/physics?searchtype=author&query=Sober%2C+D">D. Sober</a>, <a href="/search/physics?searchtype=author&query=Sparks%2C+N">N. Sparks</a>, <a href="/search/physics?searchtype=author&query=Walford%2C+N">N. Walford</a>, <a href="/search/physics?searchtype=author&query=Doughty%2C+D">D. Doughty</a>, <a href="/search/physics?searchtype=author&query=Barnes%2C+A">A. Barnes</a>, <a href="/search/physics?searchtype=author&query=Jones%2C+R">R. Jones</a>, <a href="/search/physics?searchtype=author&query=McIntyre%2C+J">J. McIntyre</a>, <a href="/search/physics?searchtype=author&query=Mokaya%2C+F">F. Mokaya</a> , et al. (82 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="1408.0215v1-abstract-short" style="display: inline;"> We propose to enhance the kaon identification capabilities of the GlueX detector by constructing an FDIRC (Focusing Detection of Internally Reflected Cherenkov) detector utilizing the decommissioned BaBar DIRC components. The GlueX FDIRC would significantly enhance the GlueX physics program by allowing one to search for and study hybrid mesons decaying into kaon final states. Such systematic studi… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1408.0215v1-abstract-full').style.display = 'inline'; document.getElementById('1408.0215v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1408.0215v1-abstract-full" style="display: none;"> We propose to enhance the kaon identification capabilities of the GlueX detector by constructing an FDIRC (Focusing Detection of Internally Reflected Cherenkov) detector utilizing the decommissioned BaBar DIRC components. The GlueX FDIRC would significantly enhance the GlueX physics program by allowing one to search for and study hybrid mesons decaying into kaon final states. Such systematic studies of kaon final states are essential for inferring the quark flavor content of hybrid and conventional mesons. The GlueX FDIRC would reuse one-third of the synthetic fused silica bars that were utilized in the BaBar DIRC. A new focussing photon camera, read out with large area photodetectors, would be developed. We propose operating the enhanced GlueX detector in Hall D for a total of 220 days at an average intensity of 5x10^7 纬/s, a program that was conditionally approved by PAC39 <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1408.0215v1-abstract-full').style.display = 'none'; document.getElementById('1408.0215v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 1 August, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2014. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">25 pages, 29 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> C12-12-002 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1405.0839">arXiv:1405.0839</a> <span> [<a href="https://arxiv.org/pdf/1405.0839">pdf</a>, <a href="https://arxiv.org/format/1405.0839">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/10.1140/epjc/s10052-014-3056-3">10.1140/epjc/s10052-014-3056-3 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Deep sea tests of a prototype of the KM3NeT digital optical module </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Adri%C3%A1n-Mart%C3%ADnez%2C+S">S. Adri谩n-Mart铆nez</a>, <a href="/search/physics?searchtype=author&query=Ageron%2C+M">M. Ageron</a>, <a href="/search/physics?searchtype=author&query=Aharonian%2C+F">F. Aharonian</a>, <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=Ameli%2C+F">F. Ameli</a>, <a href="/search/physics?searchtype=author&query=Anassontzis%2C+E+G">E. G. Anassontzis</a>, <a href="/search/physics?searchtype=author&query=Anghinolfi%2C+M">M. Anghinolfi</a>, <a href="/search/physics?searchtype=author&query=Anton%2C+G">G. Anton</a>, <a href="/search/physics?searchtype=author&query=Anvar%2C+S">S. Anvar</a>, <a href="/search/physics?searchtype=author&query=Ardid%2C+M">M. Ardid</a>, <a href="/search/physics?searchtype=author&query=de+Asmundis%2C+R">R. de Asmundis</a>, <a href="/search/physics?searchtype=author&query=Balasi%2C+K">K. Balasi</a>, <a href="/search/physics?searchtype=author&query=Band%2C+H">H. Band</a>, <a href="/search/physics?searchtype=author&query=Barbarino%2C+G">G. Barbarino</a>, <a href="/search/physics?searchtype=author&query=Barbarito%2C+E">E. Barbarito</a>, <a href="/search/physics?searchtype=author&query=Barbato%2C+F">F. Barbato</a>, <a href="/search/physics?searchtype=author&query=Baret%2C+B">B. Baret</a>, <a href="/search/physics?searchtype=author&query=Baron%2C+S">S. Baron</a>, <a href="/search/physics?searchtype=author&query=Belias%2C+A">A. Belias</a>, <a href="/search/physics?searchtype=author&query=Berbee%2C+E">E. Berbee</a>, <a href="/search/physics?searchtype=author&query=Berg%2C+A+M+v+d">A. M. van den Berg</a>, <a href="/search/physics?searchtype=author&query=Berkien%2C+A">A. Berkien</a>, <a href="/search/physics?searchtype=author&query=Bertin%2C+V">V. Bertin</a>, <a href="/search/physics?searchtype=author&query=Beurthey%2C+S">S. Beurthey</a> , et al. (225 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1405.0839v2-abstract-short" style="display: inline;"> The first prototype of a photo-detection unit of the future KM3NeT neutrino telescope has been deployed in the deep waters of the Mediterranean Sea. This digital optical module has a novel design with a very large photocathode area segmented by the use of 31 three inch photomultiplier tubes. It has been integrated in the ANTARES detector for in-situ testing and validation. This paper reports on th… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1405.0839v2-abstract-full').style.display = 'inline'; document.getElementById('1405.0839v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1405.0839v2-abstract-full" style="display: none;"> The first prototype of a photo-detection unit of the future KM3NeT neutrino telescope has been deployed in the deep waters of the Mediterranean Sea. This digital optical module has a novel design with a very large photocathode area segmented by the use of 31 three inch photomultiplier tubes. It has been integrated in the ANTARES detector for in-situ testing and validation. This paper reports on the first months of data taking and rate measurements. The analysis results highlight the capabilities of the new module design in terms of background suppression and signal recognition. The directionality of the optical module enables the recognition of multiple Cherenkov photons from the same $^{40}$K decay and the localization bioluminescent activity in the neighbourhood. The single unit can cleanly identify atmospheric muons and provide sensitivity to the muon arrival directions. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1405.0839v2-abstract-full').style.display = 'none'; document.getElementById('1405.0839v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 16 May, 2014; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 5 May, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2014. </p> </li> </ol> <div class="is-hidden-tablet"> <!-- feedback for mobile only --> <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"> <!-- 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