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<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/2411.04175">arXiv:2411.04175</a> <span> [<a href="https://arxiv.org/pdf/2411.04175">pdf</a>, <a href="https://arxiv.org/format/2411.04175">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> Science and Project Planning for the Forward Physics Facility in Preparation for the 2024-2026 European Particle Physics Strategy Update </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Adhikary%2C+J">Jyotismita Adhikary</a>, <a href="/search/physics?searchtype=author&query=Anchordoqui%2C+L+A">Luis A. Anchordoqui</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">Akitaka Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">Tomoko Ariga</a>, <a href="/search/physics?searchtype=author&query=Barr%2C+A+J">Alan J. Barr</a>, <a href="/search/physics?searchtype=author&query=Batell%2C+B">Brian Batell</a>, <a href="/search/physics?searchtype=author&query=Bian%2C+J">Jianming Bian</a>, <a href="/search/physics?searchtype=author&query=Boyd%2C+J">Jamie Boyd</a>, <a href="/search/physics?searchtype=author&query=Citron%2C+M">Matthew Citron</a>, <a href="/search/physics?searchtype=author&query=De+Roeck%2C+A">Albert De Roeck</a>, <a href="/search/physics?searchtype=author&query=Diwan%2C+M+V">Milind V. Diwan</a>, <a href="/search/physics?searchtype=author&query=Feng%2C+J+L">Jonathan L. Feng</a>, <a href="/search/physics?searchtype=author&query=Hill%2C+C+S">Christopher S. Hill</a>, <a href="/search/physics?searchtype=author&query=Jeong%2C+Y+S">Yu Seon Jeong</a>, <a href="/search/physics?searchtype=author&query=Kling%2C+F">Felix Kling</a>, <a href="/search/physics?searchtype=author&query=Linden%2C+S">Steven Linden</a>, <a href="/search/physics?searchtype=author&query=M%C3%A4kel%C3%A4%2C+T">Toni M盲kel盲</a>, <a href="/search/physics?searchtype=author&query=Mavrokoridis%2C+K">Kostas Mavrokoridis</a>, <a href="/search/physics?searchtype=author&query=McFayden%2C+J">Josh McFayden</a>, <a href="/search/physics?searchtype=author&query=Otono%2C+H">Hidetoshi Otono</a>, <a href="/search/physics?searchtype=author&query=Rojo%2C+J">Juan Rojo</a>, <a href="/search/physics?searchtype=author&query=Soldin%2C+D">Dennis Soldin</a>, <a href="/search/physics?searchtype=author&query=Stasto%2C+A">Anna Stasto</a>, <a href="/search/physics?searchtype=author&query=Trojanowski%2C+S">Sebastian Trojanowski</a>, <a href="/search/physics?searchtype=author&query=Vicenzi%2C+M">Matteo Vicenzi</a> , et al. (1 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="2411.04175v1-abstract-short" style="display: inline;"> The recent direct detection of neutrinos at the LHC has opened a new window on high-energy particle physics and highlighted the potential of forward physics for groundbreaking discoveries. In the last year, the physics case for forward physics has continued to grow, and there has been extensive work on defining the Forward Physics Facility and its experiments to realize this physics potential in a… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2411.04175v1-abstract-full').style.display = 'inline'; document.getElementById('2411.04175v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2411.04175v1-abstract-full" style="display: none;"> The recent direct detection of neutrinos at the LHC has opened a new window on high-energy particle physics and highlighted the potential of forward physics for groundbreaking discoveries. In the last year, the physics case for forward physics has continued to grow, and there has been extensive work on defining the Forward Physics Facility and its experiments to realize this physics potential in a timely and cost-effective manner. Following a 2-page Executive Summary, we present the status of the FPF, beginning with the FPF's unique potential to shed light on dark matter, new particles, neutrino physics, QCD, and astroparticle physics. We summarize the current designs for the Facility and its experiments, FASER2, FASER$谓$2, FORMOSA, and FLArE, and conclude by discussing international partnerships and organization, and the FPF's schedule, budget, and technical coordination. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2411.04175v1-abstract-full').style.display = 'none'; document.getElementById('2411.04175v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 6 November, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">32 pages</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2403.12520">arXiv:2403.12520</a> <span> [<a href="https://arxiv.org/pdf/2403.12520">pdf</a>, <a href="https://arxiv.org/format/2403.12520">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevLett.133.021802">10.1103/PhysRevLett.133.021802 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> First Measurement of the $谓_e$ and $谓_渭$ Interaction Cross Sections at the LHC with FASER's Emulsion Detector </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=FASER+Collaboration"> FASER Collaboration</a>, <a href="/search/physics?searchtype=author&query=Abraham%2C+R+M">Roshan Mammen Abraham</a>, <a href="/search/physics?searchtype=author&query=Anders%2C+J">John Anders</a>, <a href="/search/physics?searchtype=author&query=Antel%2C+C">Claire Antel</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">Akitaka Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">Tomoko Ariga</a>, <a href="/search/physics?searchtype=author&query=Atkinson%2C+J">Jeremy Atkinson</a>, <a href="/search/physics?searchtype=author&query=Bernlochner%2C+F+U">Florian U. Bernlochner</a>, <a href="/search/physics?searchtype=author&query=Boeckh%2C+T">Tobias Boeckh</a>, <a href="/search/physics?searchtype=author&query=Boyd%2C+J">Jamie Boyd</a>, <a href="/search/physics?searchtype=author&query=Brenner%2C+L">Lydia Brenner</a>, <a href="/search/physics?searchtype=author&query=Burger%2C+A">Angela Burger</a>, <a href="/search/physics?searchtype=author&query=Cadoux%2C+F">Franck Cadoux</a>, <a href="/search/physics?searchtype=author&query=Cardella%2C+R">Roberto Cardella</a>, <a href="/search/physics?searchtype=author&query=Casper%2C+D+W">David W. Casper</a>, <a href="/search/physics?searchtype=author&query=Cavanagh%2C+C">Charlotte Cavanagh</a>, <a href="/search/physics?searchtype=author&query=Chen%2C+X">Xin Chen</a>, <a href="/search/physics?searchtype=author&query=Coccaro%2C+A">Andrea Coccaro</a>, <a href="/search/physics?searchtype=author&query=Debieux%2C+S">Stephane Debieux</a>, <a href="/search/physics?searchtype=author&query=D%27Onofrio%2C+M">Monica D'Onofrio</a>, <a href="/search/physics?searchtype=author&query=Desai%2C+A">Ansh Desai</a>, <a href="/search/physics?searchtype=author&query=Dmitrievsky%2C+S">Sergey Dmitrievsky</a>, <a href="/search/physics?searchtype=author&query=Eley%2C+S">Sinead Eley</a>, <a href="/search/physics?searchtype=author&query=Favre%2C+Y">Yannick Favre</a>, <a href="/search/physics?searchtype=author&query=Fellers%2C+D">Deion Fellers</a> , et al. (80 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2403.12520v2-abstract-short" style="display: inline;"> This paper presents the first results of the study of high-energy electron and muon neutrino charged-current interactions in the FASER$谓$ emulsion/tungsten detector of the FASER experiment at the LHC. A subset of the FASER$谓$ volume, which corresponds to a target mass of 128.6~kg, was exposed to neutrinos from the LHC $pp$ collisions with a centre-of-mass energy of 13.6~TeV and an integrated lumin… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2403.12520v2-abstract-full').style.display = 'inline'; document.getElementById('2403.12520v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2403.12520v2-abstract-full" style="display: none;"> This paper presents the first results of the study of high-energy electron and muon neutrino charged-current interactions in the FASER$谓$ emulsion/tungsten detector of the FASER experiment at the LHC. A subset of the FASER$谓$ volume, which corresponds to a target mass of 128.6~kg, was exposed to neutrinos from the LHC $pp$ collisions with a centre-of-mass energy of 13.6~TeV and an integrated luminosity of 9.5 fb$^{-1}$. Applying stringent selections requiring electrons with reconstructed energy above 200~GeV, four electron neutrino interaction candidate events are observed with an expected background of $0.025^{+0.015}_{-0.010}$, leading to a statistical significance of 5.2$蟽$. This is the first direct observation of electron neutrino interactions at a particle collider. Eight muon neutrino interaction candidate events are also detected, with an expected background of $0.22^{+0.09}_{-0.07}$, leading to a statistical significance of 5.7$蟽$. The signal events include neutrinos with energies in the TeV range, the highest-energy electron and muon neutrinos ever detected from an artificial source. The energy-independent part of the interaction cross section per nucleon is measured over an energy range of 560--1740 GeV (520--1760 GeV) for $谓_e$ ($谓_渭$) to be $(1.2_{-0.7}^{+0.8}) \times 10^{-38}~\mathrm{cm}^{2}\,\mathrm{GeV}^{-1}$ ($(0.5\pm0.2) \times 10^{-38}~\mathrm{cm}^{2}\,\mathrm{GeV}^{-1}$), consistent with Standard Model predictions. These are the first measurements of neutrino interaction cross sections in those energy ranges. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2403.12520v2-abstract-full').style.display = 'none'; document.getElementById('2403.12520v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 15 July, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 19 March, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 133, 021802 (2024) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2303.13070">arXiv:2303.13070</a> <span> [<a href="https://arxiv.org/pdf/2303.13070">pdf</a>, <a href="https://arxiv.org/format/2303.13070">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> <p class="title is-5 mathjax"> Development of proton beam irradiation system for the NA65/DsTau experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Aoki%2C+S">Shigeki Aoki</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">Akitaka Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">Tomoko Ariga</a>, <a href="/search/physics?searchtype=author&query=Charitonidis%2C+N">Nikolaos Charitonidis</a>, <a href="/search/physics?searchtype=author&query=Dmitrievsky%2C+S">Sergey Dmitrievsky</a>, <a href="/search/physics?searchtype=author&query=Dobre%2C+R">Radu Dobre</a>, <a href="/search/physics?searchtype=author&query=Firu%2C+E">Elena Firu</a>, <a href="/search/physics?searchtype=author&query=Gornushkin%2C+Y">Yury Gornushkin</a>, <a href="/search/physics?searchtype=author&query=Guler%2C+A+M">Ali Murat Guler</a>, <a href="/search/physics?searchtype=author&query=Hayakawa%2C+D">Daiki Hayakawa</a>, <a href="/search/physics?searchtype=author&query=Kodama%2C+K">Koichi Kodama</a>, <a href="/search/physics?searchtype=author&query=Komatsu%2C+M">Masahiro Komatsu</a>, <a href="/search/physics?searchtype=author&query=Kose%2C+U">Umut Kose</a>, <a href="/search/physics?searchtype=author&query=Miloi%2C+M+M">Madalina Mihaela Miloi</a>, <a href="/search/physics?searchtype=author&query=Miura%2C+M">Manato Miura</a>, <a href="/search/physics?searchtype=author&query=Nakamura%2C+M">Mitsuhiro Nakamura</a>, <a href="/search/physics?searchtype=author&query=Nakano%2C+T">Toshiyuki Nakano</a>, <a href="/search/physics?searchtype=author&query=Neagu%2C+A">Alina-Tania Neagu</a>, <a href="/search/physics?searchtype=author&query=Okumura%2C+T">Toranosuke Okumura</a>, <a href="/search/physics?searchtype=author&query=Oz%2C+C">Canay Oz</a>, <a href="/search/physics?searchtype=author&query=Rokujo%2C+H">Hiroki Rokujo</a>, <a href="/search/physics?searchtype=author&query=Sato%2C+O">Osamu Sato</a>, <a href="/search/physics?searchtype=author&query=Vasina%2C+S">Svetlana Vasina</a>, <a href="/search/physics?searchtype=author&query=Yoshida%2C+J">Junya Yoshida</a>, <a href="/search/physics?searchtype=author&query=Yoshimoto%2C+M">Masahiro Yoshimoto</a> , et al. (1 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2303.13070v3-abstract-short" style="display: inline;"> Tau neutrino is the least studied lepton of the Standard Model (SM). The NA65/DsTau experiment targets to investigate $D_s$, the parent particle of the $谓_蟿$, using the nuclear emulsion-based detector and to decrease the systematic uncertainty of $谓_蟿$ flux prediction from over 50% to 10% for future beam dump experiments. In the experiment, the emulsion detectors are exposed to the CERN SPS 400 Ge… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2303.13070v3-abstract-full').style.display = 'inline'; document.getElementById('2303.13070v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2303.13070v3-abstract-full" style="display: none;"> Tau neutrino is the least studied lepton of the Standard Model (SM). The NA65/DsTau experiment targets to investigate $D_s$, the parent particle of the $谓_蟿$, using the nuclear emulsion-based detector and to decrease the systematic uncertainty of $谓_蟿$ flux prediction from over 50% to 10% for future beam dump experiments. In the experiment, the emulsion detectors are exposed to the CERN SPS 400 GeV proton beam. To provide optimal conditions for the reconstruction of interactions, the protons are required to be uniformly distributed over the detector's surface with an average density of $10^5~\rm{cm^{-2}}$ and the fluctuation of less than 10%. To address this issue, we developed a new proton irradiation system called the target mover. The new target mover provided irradiation with a proton density of $0.98~\rm{cm^{-2}}$ and the density fluctuation of $2.0\pm 0.3$% in the DsTau 2021 run. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2303.13070v3-abstract-full').style.display = 'none'; document.getElementById('2303.13070v3-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> 3 April, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 23 March, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">9 pages, 16 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/2207.11427">arXiv:2207.11427</a> <span> [<a href="https://arxiv.org/pdf/2207.11427">pdf</a>, <a href="https://arxiv.org/format/2207.11427">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/10.1088/1748-0221/19/05/P05066">10.1088/1748-0221/19/05/P05066 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The FASER Detector </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=FASER+Collaboration"> FASER Collaboration</a>, <a href="/search/physics?searchtype=author&query=Abreu%2C+H">Henso Abreu</a>, <a href="/search/physics?searchtype=author&query=Mansour%2C+E+A">Elham Amin Mansour</a>, <a href="/search/physics?searchtype=author&query=Antel%2C+C">Claire Antel</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">Akitaka Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">Tomoko Ariga</a>, <a href="/search/physics?searchtype=author&query=Bernlochner%2C+F">Florian Bernlochner</a>, <a href="/search/physics?searchtype=author&query=Boeckh%2C+T">Tobias Boeckh</a>, <a href="/search/physics?searchtype=author&query=Boyd%2C+J">Jamie Boyd</a>, <a href="/search/physics?searchtype=author&query=Brenner%2C+L">Lydia Brenner</a>, <a href="/search/physics?searchtype=author&query=Cadoux%2C+F">Franck Cadoux</a>, <a href="/search/physics?searchtype=author&query=Casper%2C+D+W">David W. Casper</a>, <a href="/search/physics?searchtype=author&query=Cavanagh%2C+C">Charlotte Cavanagh</a>, <a href="/search/physics?searchtype=author&query=Chen%2C+X">Xin Chen</a>, <a href="/search/physics?searchtype=author&query=Coccaro%2C+A">Andrea Coccaro</a>, <a href="/search/physics?searchtype=author&query=Crespo-Lopez%2C+O">Olivier Crespo-Lopez</a>, <a href="/search/physics?searchtype=author&query=Debieux%2C+S">Stephane Debieux</a>, <a href="/search/physics?searchtype=author&query=D%27Onofrio%2C+M">Monica D'Onofrio</a>, <a href="/search/physics?searchtype=author&query=Dougherty%2C+L">Liam Dougherty</a>, <a href="/search/physics?searchtype=author&query=Dozen%2C+C">Candan Dozen</a>, <a href="/search/physics?searchtype=author&query=Ezzat%2C+A">Abdallah Ezzat</a>, <a href="/search/physics?searchtype=author&query=Favre%2C+Y">Yannick Favre</a>, <a href="/search/physics?searchtype=author&query=Fellers%2C+D">Deion Fellers</a>, <a href="/search/physics?searchtype=author&query=Feng%2C+J+L">Jonathan L. Feng</a>, <a href="/search/physics?searchtype=author&query=Ferrere%2C+D">Didier Ferrere</a> , et al. (72 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2207.11427v1-abstract-short" style="display: inline;"> FASER, the ForwArd Search ExpeRiment, is an experiment dedicated to searching for light, extremely weakly-interacting particles at CERN's Large Hadron Collider (LHC). Such particles may be produced in the very forward direction of the LHC's high-energy collisions and then decay to visible particles inside the FASER detector, which is placed 480 m downstream of the ATLAS interaction point, aligned… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2207.11427v1-abstract-full').style.display = 'inline'; document.getElementById('2207.11427v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2207.11427v1-abstract-full" style="display: none;"> FASER, the ForwArd Search ExpeRiment, is an experiment dedicated to searching for light, extremely weakly-interacting particles at CERN's Large Hadron Collider (LHC). Such particles may be produced in the very forward direction of the LHC's high-energy collisions and then decay to visible particles inside the FASER detector, which is placed 480 m downstream of the ATLAS interaction point, aligned with the beam collisions axis. FASER also includes a sub-detector, FASER$谓$, designed to detect neutrinos produced in the LHC collisions and to study their properties. In this paper, each component of the FASER detector is described in detail, as well as the installation of the experiment system and its commissioning using cosmic-rays collected in September 2021 and during the LHC pilot beam test carried out in October 2021. FASER will start taking LHC collision data in 2022, and will run throughout LHC Run 3. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2207.11427v1-abstract-full').style.display = 'none'; document.getElementById('2207.11427v1-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 July, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 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">92 pages, 72 Figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> CERN-FASER-2022-001 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> JINST 19 (2024) P05066 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2206.04220">arXiv:2206.04220</a> <span> [<a href="https://arxiv.org/pdf/2206.04220">pdf</a>, <a href="https://arxiv.org/format/2206.04220">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"> Experiments and Facilities for Accelerator-Based Dark Sector Searches </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Ilten%2C+P">Philip Ilten</a>, <a href="/search/physics?searchtype=author&query=Tran%2C+N">Nhan Tran</a>, <a href="/search/physics?searchtype=author&query=Achenbach%2C+P">Patrick Achenbach</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">Akitaka Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">Tomoko Ariga</a>, <a href="/search/physics?searchtype=author&query=Battaglieri%2C+M">Marco Battaglieri</a>, <a href="/search/physics?searchtype=author&query=Bian%2C+J">Jianming Bian</a>, <a href="/search/physics?searchtype=author&query=Bisio%2C+P">Pietro Bisio</a>, <a href="/search/physics?searchtype=author&query=Celentano%2C+A">Andrea Celentano</a>, <a href="/search/physics?searchtype=author&query=Citron%2C+M">Matthew Citron</a>, <a href="/search/physics?searchtype=author&query=Crivelli%2C+P">Paolo Crivelli</a>, <a href="/search/physics?searchtype=author&query=de+Lellis%2C+G">Giovanni de Lellis</a>, <a href="/search/physics?searchtype=author&query=Di+Crescenzo%2C+A">Antonia Di Crescenzo</a>, <a href="/search/physics?searchtype=author&query=Diwan%2C+M">Milind Diwan</a>, <a href="/search/physics?searchtype=author&query=Feng%2C+J+L">Jonathan L. Feng</a>, <a href="/search/physics?searchtype=author&query=Gatto%2C+C">Corrado Gatto</a>, <a href="/search/physics?searchtype=author&query=Gori%2C+S">Stefania Gori</a>, <a href="/search/physics?searchtype=author&query=Kling%2C+F">Felix Kling</a>, <a href="/search/physics?searchtype=author&query=Marsicano%2C+L">Luca Marsicano</a>, <a href="/search/physics?searchtype=author&query=Mazza%2C+S+M">Simone M. Mazza</a>, <a href="/search/physics?searchtype=author&query=McFayden%2C+J">Josh McFayden</a>, <a href="/search/physics?searchtype=author&query=Molina-Bueno%2C+L">Laura Molina-Bueno</a>, <a href="/search/physics?searchtype=author&query=Spreafico%2C+M">Marco Spreafico</a>, <a href="/search/physics?searchtype=author&query=Toro%2C+N">Natalia Toro</a>, <a href="/search/physics?searchtype=author&query=Toups%2C+M">Matthew Toups</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="2206.04220v1-abstract-short" style="display: inline;"> This paper provides an overview of experiments and facilities for accelerator-based dark matter searches as part of the US Community Study on the Future of Particle Physics (Snowmass 2021). Companion white papers to this paper present the physics drivers: thermal dark matter, visible dark portals, and new flavors and rich dark sectors. </span> <span class="abstract-full has-text-grey-dark mathjax" id="2206.04220v1-abstract-full" style="display: none;"> This paper provides an overview of experiments and facilities for accelerator-based dark matter searches as part of the US Community Study on the Future of Particle Physics (Snowmass 2021). Companion white papers to this paper present the physics drivers: thermal dark matter, visible dark portals, and new flavors and rich dark sectors. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2206.04220v1-abstract-full').style.display = 'none'; document.getElementById('2206.04220v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 8 June, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">contribution to Snowmass 2021</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2203.05090">arXiv:2203.05090</a> <span> [<a href="https://arxiv.org/pdf/2203.05090">pdf</a>, <a href="https://arxiv.org/format/2203.05090">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="Cosmology and Nongalactic Astrophysics">astro-ph.CO</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 - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1361-6471/ac865e">10.1088/1361-6471/ac865e <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The Forward Physics Facility at the High-Luminosity LHC </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Feng%2C+J+L">Jonathan L. Feng</a>, <a href="/search/physics?searchtype=author&query=Kling%2C+F">Felix Kling</a>, <a href="/search/physics?searchtype=author&query=Reno%2C+M+H">Mary Hall Reno</a>, <a href="/search/physics?searchtype=author&query=Rojo%2C+J">Juan Rojo</a>, <a href="/search/physics?searchtype=author&query=Soldin%2C+D">Dennis Soldin</a>, <a href="/search/physics?searchtype=author&query=Anchordoqui%2C+L+A">Luis A. Anchordoqui</a>, <a href="/search/physics?searchtype=author&query=Boyd%2C+J">Jamie Boyd</a>, <a href="/search/physics?searchtype=author&query=Ismail%2C+A">Ahmed Ismail</a>, <a href="/search/physics?searchtype=author&query=Harland-Lang%2C+L">Lucian Harland-Lang</a>, <a href="/search/physics?searchtype=author&query=Kelly%2C+K+J">Kevin J. Kelly</a>, <a href="/search/physics?searchtype=author&query=Pandey%2C+V">Vishvas Pandey</a>, <a href="/search/physics?searchtype=author&query=Trojanowski%2C+S">Sebastian Trojanowski</a>, <a href="/search/physics?searchtype=author&query=Tsai%2C+Y">Yu-Dai Tsai</a>, <a href="/search/physics?searchtype=author&query=Alameddine%2C+J">Jean-Marco Alameddine</a>, <a href="/search/physics?searchtype=author&query=Araki%2C+T">Takeshi Araki</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">Akitaka Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">Tomoko Ariga</a>, <a href="/search/physics?searchtype=author&query=Asai%2C+K">Kento Asai</a>, <a href="/search/physics?searchtype=author&query=Bacchetta%2C+A">Alessandro Bacchetta</a>, <a href="/search/physics?searchtype=author&query=Balazs%2C+K">Kincso Balazs</a>, <a href="/search/physics?searchtype=author&query=Barr%2C+A+J">Alan J. Barr</a>, <a href="/search/physics?searchtype=author&query=Battistin%2C+M">Michele Battistin</a>, <a href="/search/physics?searchtype=author&query=Bian%2C+J">Jianming Bian</a>, <a href="/search/physics?searchtype=author&query=Bertone%2C+C">Caterina Bertone</a>, <a href="/search/physics?searchtype=author&query=Bai%2C+W">Weidong Bai</a> , et al. (211 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2203.05090v1-abstract-short" style="display: inline;"> High energy collisions at the High-Luminosity Large Hadron Collider (LHC) produce a large number of particles along the beam collision axis, outside of the acceptance of existing LHC experiments. The proposed Forward Physics Facility (FPF), to be located several hundred meters from the ATLAS interaction point and shielded by concrete and rock, will host a suite of experiments to probe Standard Mod… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.05090v1-abstract-full').style.display = 'inline'; document.getElementById('2203.05090v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2203.05090v1-abstract-full" style="display: none;"> High energy collisions at the High-Luminosity Large Hadron Collider (LHC) produce a large number of particles along the beam collision axis, outside of the acceptance of existing LHC experiments. The proposed Forward Physics Facility (FPF), to be located several hundred meters from the ATLAS interaction point and shielded by concrete and rock, will host a suite of experiments to probe Standard Model (SM) processes and search for physics beyond the Standard Model (BSM). In this report, we review the status of the civil engineering plans and the experiments to explore the diverse physics signals that can be uniquely probed in the forward region. FPF experiments will be sensitive to a broad range of BSM physics through searches for new particle scattering or decay signatures and deviations from SM expectations in high statistics analyses with TeV neutrinos in this low-background environment. High statistics neutrino detection will also provide valuable data for fundamental topics in perturbative and non-perturbative QCD and in weak interactions. Experiments at the FPF will enable synergies between forward particle production at the LHC and astroparticle physics to be exploited. We report here on these physics topics, on infrastructure, detector, and simulation studies, and on future directions to realize the FPF's physics potential. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.05090v1-abstract-full').style.display = 'none'; document.getElementById('2203.05090v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 9 March, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">429 pages, contribution to Snowmass 2021</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> UCI-TR-2022-01, CERN-PBC-Notes-2022-001, FERMILAB-PUB-22-094-ND-SCD-T, INT-PUB-22-006, BONN-TH-2022-04 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2201.04346">arXiv:2201.04346</a> <span> [<a href="https://arxiv.org/pdf/2201.04346">pdf</a>, <a href="https://arxiv.org/ps/2201.04346">ps</a>, <a href="https://arxiv.org/format/2201.04346">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="Quantum Physics">quant-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/10.1088/1748-0221/17/07/P07014">10.1088/1748-0221/17/07/P07014 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> A Novel Nuclear Emulsion Detector for Measurement of Quantum States of Ultracold Neutrons in the Earth's Gravitational Field </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Muto%2C+N">Naoto Muto</a>, <a href="/search/physics?searchtype=author&query=Abele%2C+H">Hartmut Abele</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">Tomoko Ariga</a>, <a href="/search/physics?searchtype=author&query=Bosina%2C+J">Joachim Bosina</a>, <a href="/search/physics?searchtype=author&query=Hino%2C+M">Masahiro Hino</a>, <a href="/search/physics?searchtype=author&query=Hirota%2C+K">Katsuya Hirota</a>, <a href="/search/physics?searchtype=author&query=Ichikawa%2C+G">Go Ichikawa</a>, <a href="/search/physics?searchtype=author&query=Jenke%2C+T">Tobias Jenke</a>, <a href="/search/physics?searchtype=author&query=Kawahara%2C+H">Hiroaki Kawahara</a>, <a href="/search/physics?searchtype=author&query=Kawasaki%2C+S">Shinsuke Kawasaki</a>, <a href="/search/physics?searchtype=author&query=Kitaguchi%2C+M">Masaaki Kitaguchi</a>, <a href="/search/physics?searchtype=author&query=Micko%2C+J">Jakob Micko</a>, <a href="/search/physics?searchtype=author&query=Mishima%2C+K">Kenji Mishima</a>, <a href="/search/physics?searchtype=author&query=Naganawa%2C+N">Naotaka Naganawa</a>, <a href="/search/physics?searchtype=author&query=Nakamura%2C+M">Mitsuhiro Nakamura</a>, <a href="/search/physics?searchtype=author&query=Roccia%2C+S">St茅phanie Roccia</a>, <a href="/search/physics?searchtype=author&query=Sato%2C+O">Osamu Sato</a>, <a href="/search/physics?searchtype=author&query=Sedmik%2C+R+I+P">Ren茅 I. P. Sedmik</a>, <a href="/search/physics?searchtype=author&query=Seki%2C+Y">Yoshichika Seki</a>, <a href="/search/physics?searchtype=author&query=Shimizu%2C+H+M">Hirohiko M. Shimizu</a>, <a href="/search/physics?searchtype=author&query=Tada%2C+S">Satomi Tada</a>, <a href="/search/physics?searchtype=author&query=Umemoto%2C+A">Atsuhiro Umemoto</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2201.04346v2-abstract-short" style="display: inline;"> Hypothetical short-range interactions could be detected by measuring the wavefunctions of ultracold neutrons (UCNs) on a mirror bounded by the Earth's gravitational field. The Searches require detectors with higher spatial resolution. We are developing a UCN detector for the with a high spatial resolution, which consists of a Si substrate, a thin converter layer including $^{10}$B$_{4}$C, and a la… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2201.04346v2-abstract-full').style.display = 'inline'; document.getElementById('2201.04346v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2201.04346v2-abstract-full" style="display: none;"> Hypothetical short-range interactions could be detected by measuring the wavefunctions of ultracold neutrons (UCNs) on a mirror bounded by the Earth's gravitational field. The Searches require detectors with higher spatial resolution. We are developing a UCN detector for the with a high spatial resolution, which consists of a Si substrate, a thin converter layer including $^{10}$B$_{4}$C, and a layer of fine-grained nuclear emulsion. Its resolution was estimated to be less than 100 nm by fitting tracks of either $^{7}$Li nuclei or $伪$-particles, which were created when neutrons interacted with the $^{10}$B$_{4}$C layer. For actual measurements of the spatial distributions, the following two improvements were made: The first was to establish a method to align microscopic images with high accuracy within a wide region of 65 mm $\times$ 0.2 mm. We created reference marks of 1 $渭$m and 5 $渭$m diameter with an interval of 50 $渭$m and 500 $渭$m, respectively, on the Si substrate by electron beam lithography and realized a position accuracy of less than 30 nm. The second was to build a holder that could maintain the atmospheric pressure around the nuclear emulsion to utilize it under vacuum during exposure to UCNs. The intrinsic resolution of the improved detector was estimated by evaluating the blur of a transmission image of a gadolinium grating taken by cold neutrons as better than 0.56 $\pm$ 0.08 $渭$m, which included the grating accuracy. A test exposure to UCNs was conducted to obtain the spatial distribution of UCNs in the Earth's gravitational field. Although the test was successful, a blurring of 6.9 $渭$m was found in the measurements, compared with a theoretical curve. We identified the blurring caused by the refraction of UCNs due to the roughness of the upstream surface of the substrate. Polishing of the surface makes the resolution less than 100 nm. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2201.04346v2-abstract-full').style.display = 'none'; document.getElementById('2201.04346v2-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 May, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 12 January, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2022. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2112.01116">arXiv:2112.01116</a> <span> [<a href="https://arxiv.org/pdf/2112.01116">pdf</a>, <a href="https://arxiv.org/format/2112.01116">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.nima.2022.166825">10.1016/j.nima.2022.166825 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The tracking detector of the FASER experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=FASER+Collaboration"> FASER Collaboration</a>, <a href="/search/physics?searchtype=author&query=Abreu%2C+H">Henso Abreu</a>, <a href="/search/physics?searchtype=author&query=Antel%2C+C">Claire Antel</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">Akitaka Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">Tomoko Ariga</a>, <a href="/search/physics?searchtype=author&query=Bernlochner%2C+F">Florian Bernlochner</a>, <a href="/search/physics?searchtype=author&query=Boeckh%2C+T">Tobias Boeckh</a>, <a href="/search/physics?searchtype=author&query=Boyd%2C+J">Jamie Boyd</a>, <a href="/search/physics?searchtype=author&query=Brenner%2C+L">Lydia Brenner</a>, <a href="/search/physics?searchtype=author&query=Cadoux%2C+F">Franck Cadoux</a>, <a href="/search/physics?searchtype=author&query=Casper%2C+D+W">David W. Casper</a>, <a href="/search/physics?searchtype=author&query=Cavanagh%2C+C">Charlotte Cavanagh</a>, <a href="/search/physics?searchtype=author&query=Chen%2C+X">Xin Chen</a>, <a href="/search/physics?searchtype=author&query=Coccaro%2C+A">Andrea Coccaro</a>, <a href="/search/physics?searchtype=author&query=Crespo-Lopez%2C+O">Olivier Crespo-Lopez</a>, <a href="/search/physics?searchtype=author&query=Dmitrievsky%2C+S">Sergey Dmitrievsky</a>, <a href="/search/physics?searchtype=author&query=D%27Onofrio%2C+M">Monica D'Onofrio</a>, <a href="/search/physics?searchtype=author&query=Dozen%2C+C">Candan Dozen</a>, <a href="/search/physics?searchtype=author&query=Ezzat%2C+A">Abdallah Ezzat</a>, <a href="/search/physics?searchtype=author&query=Favre%2C+Y">Yannick Favre</a>, <a href="/search/physics?searchtype=author&query=Fellers%2C+D">Deion Fellers</a>, <a href="/search/physics?searchtype=author&query=Feng%2C+J+L">Jonathan L. Feng</a>, <a href="/search/physics?searchtype=author&query=Ferrere%2C+D">Didier Ferrere</a>, <a href="/search/physics?searchtype=author&query=Gibson%2C+S">Stephen Gibson</a>, <a href="/search/physics?searchtype=author&query=Gonzalez-Sevilla%2C+S">Sergio Gonzalez-Sevilla</a> , et al. (55 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2112.01116v2-abstract-short" style="display: inline;"> FASER is a new experiment designed to search for new light weakly-interacting long-lived particles (LLPs) and study high-energy neutrino interactions in the very forward region of the LHC collisions at CERN. The experimental apparatus is situated 480 m downstream of the ATLAS interaction-point aligned with the beam collision axis. The FASER detector includes four identical tracker stations constru… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2112.01116v2-abstract-full').style.display = 'inline'; document.getElementById('2112.01116v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2112.01116v2-abstract-full" style="display: none;"> FASER is a new experiment designed to search for new light weakly-interacting long-lived particles (LLPs) and study high-energy neutrino interactions in the very forward region of the LHC collisions at CERN. The experimental apparatus is situated 480 m downstream of the ATLAS interaction-point aligned with the beam collision axis. The FASER detector includes four identical tracker stations constructed from silicon microstrip detectors. Three of the tracker stations form a tracking spectrometer, and enable FASER to detect the decay products of LLPs decaying inside the apparatus, whereas the fourth station is used for the neutrino analysis. The spectrometer has been installed in the LHC complex since March 2021, while the fourth station is not yet installed. FASER will start physics data taking when the LHC resumes operation in early 2022. This paper describes the design, construction and testing of the tracking spectrometer, including the associated components such as the mechanics, readout electronics, power supplies and cooling system. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2112.01116v2-abstract-full').style.display = 'none'; document.getElementById('2112.01116v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 31 May, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 2 December, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2021. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Nucl. Instrum. Methods Phys. Res., A 1034 (2022) 166825 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2110.15186">arXiv:2110.15186</a> <span> [<a href="https://arxiv.org/pdf/2110.15186">pdf</a>, <a href="https://arxiv.org/format/2110.15186">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/10.1088/1748-0221/16/12/P12028">10.1088/1748-0221/16/12/P12028 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The trigger and data acquisition system of the FASER experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=FASER+Collaboration"> FASER Collaboration</a>, <a href="/search/physics?searchtype=author&query=Abreu%2C+H">Henso Abreu</a>, <a href="/search/physics?searchtype=author&query=Mansour%2C+E+A">Elham Amin Mansour</a>, <a href="/search/physics?searchtype=author&query=Antel%2C+C">Claire Antel</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">Akitaka Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">Tomoko Ariga</a>, <a href="/search/physics?searchtype=author&query=Bernlochner%2C+F">Florian Bernlochner</a>, <a href="/search/physics?searchtype=author&query=Boeckh%2C+T">Tobias Boeckh</a>, <a href="/search/physics?searchtype=author&query=Boyd%2C+J">Jamie Boyd</a>, <a href="/search/physics?searchtype=author&query=Brenner%2C+L">Lydia Brenner</a>, <a href="/search/physics?searchtype=author&query=Cadoux%2C+F">Franck Cadoux</a>, <a href="/search/physics?searchtype=author&query=Casper%2C+D">David Casper</a>, <a href="/search/physics?searchtype=author&query=Cavanagh%2C+C">Charlotte Cavanagh</a>, <a href="/search/physics?searchtype=author&query=Chen%2C+X">Xin Chen</a>, <a href="/search/physics?searchtype=author&query=Coccaro%2C+A">Andrea Coccaro</a>, <a href="/search/physics?searchtype=author&query=Debieux%2C+S">Stephane Debieux</a>, <a href="/search/physics?searchtype=author&query=Dmitrievsky%2C+S">Sergey Dmitrievsky</a>, <a href="/search/physics?searchtype=author&query=D%27Onofrio%2C+M">Monica D'Onofrio</a>, <a href="/search/physics?searchtype=author&query=Dozen%2C+C">Candan Dozen</a>, <a href="/search/physics?searchtype=author&query=Favre%2C+Y">Yannick Favre</a>, <a href="/search/physics?searchtype=author&query=Fellers%2C+D">Deion Fellers</a>, <a href="/search/physics?searchtype=author&query=Feng%2C+J+L">Jonathan L. Feng</a>, <a href="/search/physics?searchtype=author&query=Ferrere%2C+D">Didier Ferrere</a>, <a href="/search/physics?searchtype=author&query=Gamberini%2C+E">Enrico Gamberini</a>, <a href="/search/physics?searchtype=author&query=Galantay%2C+E+K">Edward Karl Galantay</a> , et al. (59 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="2110.15186v2-abstract-short" style="display: inline;"> The FASER experiment is a new small and inexpensive experiment that is placed 480 meters downstream of the ATLAS experiment at the CERN LHC. FASER is designed to capture decays of new long-lived particles, produced outside of the ATLAS detector acceptance. These rare particles can decay in the FASER detector together with about 500-1000 Hz of other particles originating from the ATLAS interaction… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2110.15186v2-abstract-full').style.display = 'inline'; document.getElementById('2110.15186v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2110.15186v2-abstract-full" style="display: none;"> The FASER experiment is a new small and inexpensive experiment that is placed 480 meters downstream of the ATLAS experiment at the CERN LHC. FASER is designed to capture decays of new long-lived particles, produced outside of the ATLAS detector acceptance. These rare particles can decay in the FASER detector together with about 500-1000 Hz of other particles originating from the ATLAS interaction point. A very high efficiency trigger and data acquisition system is required to ensure that the physics events of interest will be recorded. This paper describes the trigger and data acquisition system of the FASER experiment and presents performance results of the system acquired during initial commissioning. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2110.15186v2-abstract-full').style.display = 'none'; document.getElementById('2110.15186v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 10 January, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 28 October, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2021. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> 2021_JINST_16_P12028 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2109.10905">arXiv:2109.10905</a> <span> [<a href="https://arxiv.org/pdf/2109.10905">pdf</a>, <a href="https://arxiv.org/format/2109.10905">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Cosmology and Nongalactic Astrophysics">astro-ph.CO</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/10.1016/j.physrep.2022.04.004">10.1016/j.physrep.2022.04.004 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The Forward Physics Facility: Sites, Experiments, and Physics Potential </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Anchordoqui%2C+L+A">Luis A. Anchordoqui</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">Akitaka Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">Tomoko Ariga</a>, <a href="/search/physics?searchtype=author&query=Bai%2C+W">Weidong Bai</a>, <a href="/search/physics?searchtype=author&query=Balazs%2C+K">Kincso Balazs</a>, <a href="/search/physics?searchtype=author&query=Batell%2C+B">Brian Batell</a>, <a href="/search/physics?searchtype=author&query=Boyd%2C+J">Jamie Boyd</a>, <a href="/search/physics?searchtype=author&query=Bramante%2C+J">Joseph Bramante</a>, <a href="/search/physics?searchtype=author&query=Campanelli%2C+M">Mario Campanelli</a>, <a href="/search/physics?searchtype=author&query=Carmona%2C+A">Adrian Carmona</a>, <a href="/search/physics?searchtype=author&query=Celiberto%2C+F+G">Francesco G. Celiberto</a>, <a href="/search/physics?searchtype=author&query=Chachamis%2C+G">Grigorios Chachamis</a>, <a href="/search/physics?searchtype=author&query=Citron%2C+M">Matthew Citron</a>, <a href="/search/physics?searchtype=author&query=De+Lellis%2C+G">Giovanni De Lellis</a>, <a href="/search/physics?searchtype=author&query=De+Roeck%2C+A">Albert De Roeck</a>, <a href="/search/physics?searchtype=author&query=Dembinski%2C+H">Hans Dembinski</a>, <a href="/search/physics?searchtype=author&query=Denton%2C+P+B">Peter B. Denton</a>, <a href="/search/physics?searchtype=author&query=Di+Crecsenzo%2C+A">Antonia Di Crecsenzo</a>, <a href="/search/physics?searchtype=author&query=Diwan%2C+M+V">Milind V. Diwan</a>, <a href="/search/physics?searchtype=author&query=Dougherty%2C+L">Liam Dougherty</a>, <a href="/search/physics?searchtype=author&query=Dreiner%2C+H+K">Herbi K. Dreiner</a>, <a href="/search/physics?searchtype=author&query=Du%2C+Y">Yong Du</a>, <a href="/search/physics?searchtype=author&query=Enberg%2C+R">Rikard Enberg</a>, <a href="/search/physics?searchtype=author&query=Farzan%2C+Y">Yasaman Farzan</a>, <a href="/search/physics?searchtype=author&query=Feng%2C+J+L">Jonathan L. Feng</a> , et al. (56 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="2109.10905v2-abstract-short" style="display: inline;"> The Forward Physics Facility (FPF) is a proposal to create a cavern with the space and infrastructure to support a suite of far-forward experiments at the Large Hadron Collider during the High Luminosity era. Located along the beam collision axis and shielded from the interaction point by at least 100 m of concrete and rock, the FPF will house experiments that will detect particles outside the acc… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2109.10905v2-abstract-full').style.display = 'inline'; document.getElementById('2109.10905v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2109.10905v2-abstract-full" style="display: none;"> The Forward Physics Facility (FPF) is a proposal to create a cavern with the space and infrastructure to support a suite of far-forward experiments at the Large Hadron Collider during the High Luminosity era. Located along the beam collision axis and shielded from the interaction point by at least 100 m of concrete and rock, the FPF will house experiments that will detect particles outside the acceptance of the existing large LHC experiments and will observe rare and exotic processes in an extremely low-background environment. In this work, we summarize the current status of plans for the FPF, including recent progress in civil engineering in identifying promising sites for the FPF and the experiments currently envisioned to realize the FPF's physics potential. We then review the many Standard Model and new physics topics that will be advanced by the FPF, including searches for long-lived particles, probes of dark matter and dark sectors, high-statistics studies of TeV neutrinos of all three flavors, aspects of perturbative and non-perturbative QCD, and high-energy astroparticle physics. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2109.10905v2-abstract-full').style.display = 'none'; document.getElementById('2109.10905v2-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 May, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 22 September, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 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">revised version, accepted by Physics Reports</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> BNL-222142-2021-FORE, CERN-PBC-Notes-2021-025, DESY-21-142, FERMILAB-CONF-21-452-AE-E-ND-PPD-T, KYUSHU-RCAPP-2021-01, LU TP 21-36, PITT-PACC-2118, SMU-HEP-21-10, UCI-TR-2021-22 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rept. 968 (2022), 1-50 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2105.06197">arXiv:2105.06197</a> <span> [<a href="https://arxiv.org/pdf/2105.06197">pdf</a>, <a href="https://arxiv.org/format/2105.06197">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.104.L091101">10.1103/PhysRevD.104.L091101 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> First neutrino interaction candidates at the LHC </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=FASER+Collaboration"> FASER Collaboration</a>, <a href="/search/physics?searchtype=author&query=Abreu%2C+H">Henso Abreu</a>, <a href="/search/physics?searchtype=author&query=Afik%2C+Y">Yoav Afik</a>, <a href="/search/physics?searchtype=author&query=Antel%2C+C">Claire Antel</a>, <a href="/search/physics?searchtype=author&query=Arakawa%2C+J">Jason Arakawa</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">Akitaka Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">Tomoko Ariga</a>, <a href="/search/physics?searchtype=author&query=Bernlochner%2C+F">Florian Bernlochner</a>, <a href="/search/physics?searchtype=author&query=Boeckh%2C+T">Tobias Boeckh</a>, <a href="/search/physics?searchtype=author&query=Boyd%2C+J">Jamie Boyd</a>, <a href="/search/physics?searchtype=author&query=Brenner%2C+L">Lydia Brenner</a>, <a href="/search/physics?searchtype=author&query=Cadoux%2C+F">Franck Cadoux</a>, <a href="/search/physics?searchtype=author&query=Casper%2C+D+W">David W. Casper</a>, <a href="/search/physics?searchtype=author&query=Cavanagh%2C+C">Charlotte Cavanagh</a>, <a href="/search/physics?searchtype=author&query=Cerutti%2C+F">Francesco Cerutti</a>, <a href="/search/physics?searchtype=author&query=Chen%2C+X">Xin Chen</a>, <a href="/search/physics?searchtype=author&query=Coccaro%2C+A">Andrea Coccaro</a>, <a href="/search/physics?searchtype=author&query=D%27Onofrio%2C+M">Monica D'Onofrio</a>, <a href="/search/physics?searchtype=author&query=Dozen%2C+C">Candan Dozen</a>, <a href="/search/physics?searchtype=author&query=Favre%2C+Y">Yannick Favre</a>, <a href="/search/physics?searchtype=author&query=Fellers%2C+D">Deion Fellers</a>, <a href="/search/physics?searchtype=author&query=Feng%2C+J+L">Jonathan L. Feng</a>, <a href="/search/physics?searchtype=author&query=Ferrere%2C+D">Didier Ferrere</a>, <a href="/search/physics?searchtype=author&query=Gibson%2C+S">Stephen Gibson</a>, <a href="/search/physics?searchtype=author&query=Gonzalez-Sevilla%2C+S">Sergio Gonzalez-Sevilla</a> , et al. (51 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2105.06197v3-abstract-short" style="display: inline;"> FASER$谓$ at the CERN Large Hadron Collider (LHC) is designed to directly detect collider neutrinos for the first time and study their cross sections at TeV energies, where no such measurements currently exist. In 2018, a pilot detector employing emulsion films was installed in the far-forward region of ATLAS, 480 m from the interaction point, and collected 12.2 fb$^{-1}$ of proton-proton collision… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2105.06197v3-abstract-full').style.display = 'inline'; document.getElementById('2105.06197v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2105.06197v3-abstract-full" style="display: none;"> FASER$谓$ at the CERN Large Hadron Collider (LHC) is designed to directly detect collider neutrinos for the first time and study their cross sections at TeV energies, where no such measurements currently exist. In 2018, a pilot detector employing emulsion films was installed in the far-forward region of ATLAS, 480 m from the interaction point, and collected 12.2 fb$^{-1}$ of proton-proton collision data at a center-of-mass energy of 13 TeV. We describe the analysis of this pilot run data and the observation of the first neutrino interaction candidates at the LHC. This milestone paves the way for high-energy neutrino measurements at current and future colliders. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2105.06197v3-abstract-full').style.display = 'none'; document.getElementById('2105.06197v3-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 13 May, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 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">Auxiliary materials are available at https://faser.web.cern.ch/fasernu-first-neutrino-interaction-candidates</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2012.04214">arXiv:2012.04214</a> <span> [<a href="https://arxiv.org/pdf/2012.04214">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Biological Physics">physics.bio-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Biomolecules">q-bio.BM</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevLett.127.178101">10.1103/PhysRevLett.127.178101 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Noise-induced acceleration of single molecule kinesin-1 </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Ariga%2C+T">Takayuki Ariga</a>, <a href="/search/physics?searchtype=author&query=Tateishi%2C+K">Keito Tateishi</a>, <a href="/search/physics?searchtype=author&query=Tomishige%2C+M">Michio Tomishige</a>, <a href="/search/physics?searchtype=author&query=Mizuno%2C+D">Daisuke Mizuno</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2012.04214v3-abstract-short" style="display: inline;"> The movement of single kinesin molecules was observed while applying noisy external forces that mimic intracellular active fluctuations. We found kinesin accelerates under noise, especially when a large hindering load is added. The behavior quantitatively conformed to a theoretical model that describes the kinesin movement with simple two-state reactions. The universality of the kinetic theory sug… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2012.04214v3-abstract-full').style.display = 'inline'; document.getElementById('2012.04214v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2012.04214v3-abstract-full" style="display: none;"> The movement of single kinesin molecules was observed while applying noisy external forces that mimic intracellular active fluctuations. We found kinesin accelerates under noise, especially when a large hindering load is added. The behavior quantitatively conformed to a theoretical model that describes the kinesin movement with simple two-state reactions. The universality of the kinetic theory suggests that intracellular enzymes share a similar noise-induced acceleration mechanism, i.e. active fluctuations in cells are not just noise but are utilized to promote various physiological processes. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2012.04214v3-abstract-full').style.display = 'none'; document.getElementById('2012.04214v3-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 September, 2021; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 7 December, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2020. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">6 pages for the main text and 18 pages for the Supplemental Material</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2001.03073">arXiv:2001.03073</a> <span> [<a href="https://arxiv.org/pdf/2001.03073">pdf</a>, <a href="https://arxiv.org/format/2001.03073">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> <p class="title is-5 mathjax"> Technical Proposal: FASERnu </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=FASER+Collaboration"> FASER Collaboration</a>, <a href="/search/physics?searchtype=author&query=Abreu%2C+H">Henso Abreu</a>, <a href="/search/physics?searchtype=author&query=Andreini%2C+M">Marco Andreini</a>, <a href="/search/physics?searchtype=author&query=Antel%2C+C">Claire Antel</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">Akitaka Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">Tomoko Ariga</a>, <a href="/search/physics?searchtype=author&query=Bertone%2C+C">Caterina Bertone</a>, <a href="/search/physics?searchtype=author&query=Boyd%2C+J">Jamie Boyd</a>, <a href="/search/physics?searchtype=author&query=Buckley%2C+A">Andy Buckley</a>, <a href="/search/physics?searchtype=author&query=Cadoux%2C+F">Franck Cadoux</a>, <a href="/search/physics?searchtype=author&query=Casper%2C+D+W">David W. Casper</a>, <a href="/search/physics?searchtype=author&query=Cerutti%2C+F">Francesco Cerutti</a>, <a href="/search/physics?searchtype=author&query=Chen%2C+X">Xin Chen</a>, <a href="/search/physics?searchtype=author&query=Coccaro%2C+A">Andrea Coccaro</a>, <a href="/search/physics?searchtype=author&query=Danzeca%2C+S">Salvatore Danzeca</a>, <a href="/search/physics?searchtype=author&query=Dougherty%2C+L">Liam Dougherty</a>, <a href="/search/physics?searchtype=author&query=Dozen%2C+C">Candan Dozen</a>, <a href="/search/physics?searchtype=author&query=Denton%2C+P+B">Peter B. Denton</a>, <a href="/search/physics?searchtype=author&query=Favre%2C+Y">Yannick Favre</a>, <a href="/search/physics?searchtype=author&query=Fellers%2C+D">Deion Fellers</a>, <a href="/search/physics?searchtype=author&query=Feng%2C+J+L">Jonathan L. Feng</a>, <a href="/search/physics?searchtype=author&query=Ferrere%2C+D">Didier Ferrere</a>, <a href="/search/physics?searchtype=author&query=Gall%2C+J">Jonathan Gall</a>, <a href="/search/physics?searchtype=author&query=Galon%2C+I">Iftah Galon</a>, <a href="/search/physics?searchtype=author&query=Gibson%2C+S">Stephen Gibson</a> , et al. (47 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="2001.03073v1-abstract-short" style="display: inline;"> FASERnu is a proposed small and inexpensive emulsion detector designed to detect collider neutrinos for the first time and study their properties. FASERnu will be located directly in front of FASER, 480 m from the ATLAS interaction point along the beam collision axis in the unused service tunnel TI12. From 2021-23 during Run 3 of the 14 TeV LHC, roughly 1,300 electron neutrinos, 20,000 muon neutri… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2001.03073v1-abstract-full').style.display = 'inline'; document.getElementById('2001.03073v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2001.03073v1-abstract-full" style="display: none;"> FASERnu is a proposed small and inexpensive emulsion detector designed to detect collider neutrinos for the first time and study their properties. FASERnu will be located directly in front of FASER, 480 m from the ATLAS interaction point along the beam collision axis in the unused service tunnel TI12. From 2021-23 during Run 3 of the 14 TeV LHC, roughly 1,300 electron neutrinos, 20,000 muon neutrinos, and 20 tau neutrinos will interact in FASERnu with TeV-scale energies. With the ability to observe these interactions, reconstruct their energies, and distinguish flavors, FASERnu will probe the production, propagation, and interactions of neutrinos at the highest human-made energies ever recorded. The FASERnu detector will be composed of 1000 emulsion layers interleaved with tungsten plates. The total volume of the emulsion and tungsten is 25cm x 25cm x 1.35m, and the tungsten target mass is 1.2 tonnes. From 2021-23, 7 sets of emulsion layers will be installed, with replacement roughly every 20-50 1/fb in planned Technical Stops. In this document, we summarize FASERnu's physics goals and discuss the estimates of neutrino flux and interaction rates. We then describe the FASERnu detector in detail, including plans for assembly, transport, installation, and emulsion replacement, and procedures for emulsion readout and analyzing the data. We close with cost estimates for the detector components and infrastructure work and a timeline for the experiment. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2001.03073v1-abstract-full').style.display = 'none'; document.getElementById('2001.03073v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 9 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">49 pages, 25 figures; submitted to the CERN LHCC on 28 October 2019</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> CERN-LHCC-2019-017, LHCC-P-015, UCI-TR-2019-25 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1908.02310">arXiv:1908.02310</a> <span> [<a href="https://arxiv.org/pdf/1908.02310">pdf</a>, <a href="https://arxiv.org/format/1908.02310">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1140/epjc/s10052-020-7631-5">10.1140/epjc/s10052-020-7631-5 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Detecting and Studying High-Energy Collider Neutrinos with FASER at the LHC </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=FASER+Collaboration"> FASER Collaboration</a>, <a href="/search/physics?searchtype=author&query=Abreu%2C+H">Henso Abreu</a>, <a href="/search/physics?searchtype=author&query=Antel%2C+C">Claire Antel</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">Akitaka Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">Tomoko Ariga</a>, <a href="/search/physics?searchtype=author&query=Boyd%2C+J">Jamie Boyd</a>, <a href="/search/physics?searchtype=author&query=Cadoux%2C+F">Franck Cadoux</a>, <a href="/search/physics?searchtype=author&query=Casper%2C+D+W">David W. Casper</a>, <a href="/search/physics?searchtype=author&query=Chen%2C+X">Xin Chen</a>, <a href="/search/physics?searchtype=author&query=Coccaro%2C+A">Andrea Coccaro</a>, <a href="/search/physics?searchtype=author&query=Dozen%2C+C">Candan Dozen</a>, <a href="/search/physics?searchtype=author&query=Denton%2C+P+B">Peter B. Denton</a>, <a href="/search/physics?searchtype=author&query=Favre%2C+Y">Yannick Favre</a>, <a href="/search/physics?searchtype=author&query=Feng%2C+J+L">Jonathan L. Feng</a>, <a href="/search/physics?searchtype=author&query=Ferrere%2C+D">Didier Ferrere</a>, <a href="/search/physics?searchtype=author&query=Galon%2C+I">Iftah Galon</a>, <a href="/search/physics?searchtype=author&query=Gibson%2C+S">Stephen Gibson</a>, <a href="/search/physics?searchtype=author&query=Gonzalez-Sevilla%2C+S">Sergio Gonzalez-Sevilla</a>, <a href="/search/physics?searchtype=author&query=Hsu%2C+S">Shih-Chieh Hsu</a>, <a href="/search/physics?searchtype=author&query=Hu%2C+Z">Zhen Hu</a>, <a href="/search/physics?searchtype=author&query=Iacobucci%2C+G">Giuseppe Iacobucci</a>, <a href="/search/physics?searchtype=author&query=Jakobsen%2C+S">Sune Jakobsen</a>, <a href="/search/physics?searchtype=author&query=Jansky%2C+R">Roland Jansky</a>, <a href="/search/physics?searchtype=author&query=Kajomovitz%2C+E">Enrique Kajomovitz</a>, <a href="/search/physics?searchtype=author&query=Kling%2C+F">Felix Kling</a> , et al. (23 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="1908.02310v2-abstract-short" style="display: inline;"> Neutrinos are copiously produced at particle colliders, but no collider neutrino has ever been detected. Colliders, and particularly hadron colliders, produce both neutrinos and anti-neutrinos of all flavors at very high energies, and they are therefore highly complementary to those from other sources. FASER, the recently approved Forward Search Experiment at the Large Hadron Collider, is ideally… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1908.02310v2-abstract-full').style.display = 'inline'; document.getElementById('1908.02310v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1908.02310v2-abstract-full" style="display: none;"> Neutrinos are copiously produced at particle colliders, but no collider neutrino has ever been detected. Colliders, and particularly hadron colliders, produce both neutrinos and anti-neutrinos of all flavors at very high energies, and they are therefore highly complementary to those from other sources. FASER, the recently approved Forward Search Experiment at the Large Hadron Collider, is ideally located to provide the first detection and study of collider neutrinos. We investigate the prospects for neutrino studies of a proposed component of FASER, FASER$谓$, a 25cm x 25cm x 1.35m emulsion detector to be placed directly in front of the FASER spectrometer in tunnel TI12. FASER$谓$ consists of 1000 layers of emulsion films interleaved with 1-mm-thick tungsten plates, with a total tungsten target mass of 1.2 tons. We estimate the neutrino fluxes and interaction rates at FASER$谓$, describe the FASER$谓$ detector, and analyze the characteristics of the signals and primary backgrounds. For an integrated luminosity of 150 fb$^{-1}$ to be collected during Run 3 of the 14 TeV Large Hadron Collider from 2021-23, and assuming standard model cross sections, approximately 1300 electron neutrinos, 20,000 muon neutrinos, and 20 tau neutrinos will interact in FASER$谓$, with mean energies of 600 GeV to 1 TeV, depending on the flavor. With such rates and energies, FASER will measure neutrino cross sections at energies where they are currently unconstrained, will bound models of forward particle production, and could open a new window on physics beyond the standard model. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1908.02310v2-abstract-full').style.display = 'none'; document.getElementById('1908.02310v2-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 February, 2020; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 6 August, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 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">Version published in EPJ C</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> CERN-EP-2019-160, KYUSHU-RCAPP-2019-003, SLAC-PUB-17460, UCI-TR-2019-19 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Eur.Phys.J. C80 (2020) no.1, 61 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1904.05686">arXiv:1904.05686</a> <span> [<a href="https://arxiv.org/pdf/1904.05686">pdf</a>, <a href="https://arxiv.org/format/1904.05686">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.100.051301">10.1103/PhysRevD.100.051301 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Final results on neutrino oscillation parameters from the OPERA experiment in the CNGS beam </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=OPERA+Collaboration"> OPERA Collaboration</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=Anokhina%2C+A">A. Anokhina</a>, <a href="/search/physics?searchtype=author&query=Aoki%2C+S">S. Aoki</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">A. Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">T. Ariga</a>, <a href="/search/physics?searchtype=author&query=Bertolin%2C+A">A. Bertolin</a>, <a href="/search/physics?searchtype=author&query=Bozza%2C+C">C. Bozza</a>, <a href="/search/physics?searchtype=author&query=Brugnera%2C+R">R. Brugnera</a>, <a href="/search/physics?searchtype=author&query=Buontempo%2C+S">S. Buontempo</a>, <a href="/search/physics?searchtype=author&query=Chernyavskiy%2C+M">M. Chernyavskiy</a>, <a href="/search/physics?searchtype=author&query=Chukanov%2C+A">A. Chukanov</a>, <a href="/search/physics?searchtype=author&query=Consiglio%2C+L">L. Consiglio</a>, <a href="/search/physics?searchtype=author&query=D%27Ambrosio%2C+N">N. D'Ambrosio</a>, <a href="/search/physics?searchtype=author&query=De+Lellis%2C+G">G. De Lellis</a>, <a href="/search/physics?searchtype=author&query=De+Serio%2C+M">M. De Serio</a>, <a href="/search/physics?searchtype=author&query=Sanchez%2C+P+d+A">P. del Amo Sanchez</a>, <a href="/search/physics?searchtype=author&query=Di+Crescenzo%2C+A">A. Di Crescenzo</a>, <a href="/search/physics?searchtype=author&query=Di+Ferdinando%2C+D">D. Di Ferdinando</a>, <a href="/search/physics?searchtype=author&query=Di+Marco%2C+N">N. Di Marco</a>, <a href="/search/physics?searchtype=author&query=Dmitrievsky%2C+S">S. Dmitrievsky</a>, <a href="/search/physics?searchtype=author&query=Dracos%2C+M">M. Dracos</a>, <a href="/search/physics?searchtype=author&query=Duchesneau%2C+D">D. Duchesneau</a>, <a href="/search/physics?searchtype=author&query=Dusini%2C+S">S. Dusini</a> , et al. (102 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="1904.05686v2-abstract-short" style="display: inline;"> The OPERA experiment has conclusively observed the appearance of tau neutrinos in the muon neutrino CNGS beam. Exploiting the OPERA detector capabilities, it was possible to isolate high purity samples of $谓_{e}$, $谓_渭$ and $谓_蟿$ charged current weak neutrino interactions, as well as neutral current weak interactions. In this Letter, the full dataset is used for the first time to test the three-fl… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1904.05686v2-abstract-full').style.display = 'inline'; document.getElementById('1904.05686v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1904.05686v2-abstract-full" style="display: none;"> The OPERA experiment has conclusively observed the appearance of tau neutrinos in the muon neutrino CNGS beam. Exploiting the OPERA detector capabilities, it was possible to isolate high purity samples of $谓_{e}$, $谓_渭$ and $谓_蟿$ charged current weak neutrino interactions, as well as neutral current weak interactions. In this Letter, the full dataset is used for the first time to test the three-flavor neutrino oscillation model and to derive constraints on the existence of a light sterile neutrino within the framework of the $3+1$ neutrino model. For the first time, tau and electron neutrino appearance channels are jointly used to test the sterile neutrino hypothesis. A significant fraction of the sterile neutrino parameter space allowed by LSND and MiniBooNE experiments is excluded at 90% C.L. In particular, the best-fit values obtained by MiniBooNE combining neutrino and antineutrino data are excluded at 3.3 $蟽$ significance. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1904.05686v2-abstract-full').style.display = 'none'; document.getElementById('1904.05686v2-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 August, 2019; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 11 April, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 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">7 pages, 4 figures; Editors: Budimir Kli膷ek and Matteo Tenti</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 100, 051301 (2019) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1901.04468">arXiv:1901.04468</a> <span> [<a href="https://arxiv.org/pdf/1901.04468">pdf</a>, <a href="https://arxiv.org/format/1901.04468">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> FASER: ForwArd Search ExpeRiment at the LHC </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=FASER+Collaboration"> FASER Collaboration</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">Akitaka Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">Tomoko Ariga</a>, <a href="/search/physics?searchtype=author&query=Boyd%2C+J">Jamie Boyd</a>, <a href="/search/physics?searchtype=author&query=Cadoux%2C+F">Franck Cadoux</a>, <a href="/search/physics?searchtype=author&query=Casper%2C+D+W">David W. Casper</a>, <a href="/search/physics?searchtype=author&query=Favre%2C+Y">Yannick Favre</a>, <a href="/search/physics?searchtype=author&query=Feng%2C+J+L">Jonathan L. Feng</a>, <a href="/search/physics?searchtype=author&query=Ferrere%2C+D">Didier Ferrere</a>, <a href="/search/physics?searchtype=author&query=Galon%2C+I">Iftah Galon</a>, <a href="/search/physics?searchtype=author&query=Gonzalez-Sevilla%2C+S">Sergio Gonzalez-Sevilla</a>, <a href="/search/physics?searchtype=author&query=Hsu%2C+S">Shih-Chieh Hsu</a>, <a href="/search/physics?searchtype=author&query=Iacobucci%2C+G">Giuseppe Iacobucci</a>, <a href="/search/physics?searchtype=author&query=Kajomovitz%2C+E">Enrique Kajomovitz</a>, <a href="/search/physics?searchtype=author&query=Kling%2C+F">Felix Kling</a>, <a href="/search/physics?searchtype=author&query=Kuehn%2C+S">Susanne Kuehn</a>, <a href="/search/physics?searchtype=author&query=Levinson%2C+L">Lorne Levinson</a>, <a href="/search/physics?searchtype=author&query=Otono%2C+H">Hidetoshi Otono</a>, <a href="/search/physics?searchtype=author&query=Petersen%2C+B">Brian Petersen</a>, <a href="/search/physics?searchtype=author&query=Sato%2C+O">Osamu Sato</a>, <a href="/search/physics?searchtype=author&query=Schott%2C+M">Matthias Schott</a>, <a href="/search/physics?searchtype=author&query=Sfyrla%2C+A">Anna Sfyrla</a>, <a href="/search/physics?searchtype=author&query=Smolinsky%2C+J">Jordan Smolinsky</a>, <a href="/search/physics?searchtype=author&query=Soffa%2C+A+M">Aaron M. Soffa</a>, <a href="/search/physics?searchtype=author&query=Takubo%2C+Y">Yosuke Takubo</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="1901.04468v1-abstract-short" style="display: inline;"> FASER, the ForwArd Search ExpeRiment, is a proposed experiment dedicated to searching for light, extremely weakly-interacting particles at the LHC. Such particles may be produced in the LHC's high-energy collisions in large numbers in the far-forward region and then travel long distances through concrete and rock without interacting. They may then decay to visible particles in FASER, which is plac… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1901.04468v1-abstract-full').style.display = 'inline'; document.getElementById('1901.04468v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1901.04468v1-abstract-full" style="display: none;"> FASER, the ForwArd Search ExpeRiment, is a proposed experiment dedicated to searching for light, extremely weakly-interacting particles at the LHC. Such particles may be produced in the LHC's high-energy collisions in large numbers in the far-forward region and then travel long distances through concrete and rock without interacting. They may then decay to visible particles in FASER, which is placed 480 m downstream of the ATLAS interaction point. In this work, we describe the FASER program. In its first stage, FASER is an extremely compact and inexpensive detector, sensitive to decays in a cylindrical region of radius R = 10 cm and length L = 1.5 m. FASER is planned to be constructed and installed in Long Shutdown 2 and will collect data during Run 3 of the 14 TeV LHC from 2021-23. If FASER is successful, FASER 2, a much larger successor with roughly R ~ 1 m and L ~ 5 m, could be constructed in Long Shutdown 3 and collect data during the HL-LHC era from 2026-35. FASER and FASER 2 have the potential to discover dark photons, dark Higgs bosons, heavy neutral leptons, axion-like particles, and many other long-lived particles, as well as provide new information about neutrinos, with potentially far-ranging implications for particle physics and cosmology. We describe the current status, anticipated challenges, and discovery prospects of the FASER program. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1901.04468v1-abstract-full').style.display = 'none'; document.getElementById('1901.04468v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 11 January, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 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">13 pages, 4 figures, submitted as Input to the European Particle Physics Strategy Update 2018-2020 and draws on FASER's Letter of Intent, Technical Proposal, and physics case documents (arXiv:1811.10243, arXiv:1812.09139, and arXiv:1811.12522)</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> UCI-TR-2019-01, KYUSHU-RCAPP-2018-08 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1812.09139">arXiv:1812.09139</a> <span> [<a href="https://arxiv.org/pdf/1812.09139">pdf</a>, <a href="https://arxiv.org/format/1812.09139">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> <p class="title is-5 mathjax"> Technical Proposal for FASER: ForwArd Search ExpeRiment at the LHC </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=FASER+Collaboration"> FASER Collaboration</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">Akitaka Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">Tomoko Ariga</a>, <a href="/search/physics?searchtype=author&query=Boyd%2C+J">Jamie Boyd</a>, <a href="/search/physics?searchtype=author&query=Cadoux%2C+F">Franck Cadoux</a>, <a href="/search/physics?searchtype=author&query=Casper%2C+D+W">David W. Casper</a>, <a href="/search/physics?searchtype=author&query=Cerutti%2C+F">Francesco Cerutti</a>, <a href="/search/physics?searchtype=author&query=Danzeca%2C+S">Salvatore Danzeca</a>, <a href="/search/physics?searchtype=author&query=Dougherty%2C+L">Liam Dougherty</a>, <a href="/search/physics?searchtype=author&query=Favre%2C+Y">Yannick Favre</a>, <a href="/search/physics?searchtype=author&query=Feng%2C+J+L">Jonathan L. Feng</a>, <a href="/search/physics?searchtype=author&query=Ferrere%2C+D">Didier Ferrere</a>, <a href="/search/physics?searchtype=author&query=Gall%2C+J">Jonathan Gall</a>, <a href="/search/physics?searchtype=author&query=Galon%2C+I">Iftah Galon</a>, <a href="/search/physics?searchtype=author&query=Gonzalez-Sevilla%2C+S">Sergio Gonzalez-Sevilla</a>, <a href="/search/physics?searchtype=author&query=Hsu%2C+S">Shih-Chieh Hsu</a>, <a href="/search/physics?searchtype=author&query=Iacobucci%2C+G">Giuseppe Iacobucci</a>, <a href="/search/physics?searchtype=author&query=Kajomovitz%2C+E">Enrique Kajomovitz</a>, <a href="/search/physics?searchtype=author&query=Kling%2C+F">Felix Kling</a>, <a href="/search/physics?searchtype=author&query=Kuehn%2C+S">Susanne Kuehn</a>, <a href="/search/physics?searchtype=author&query=Lamont%2C+M">Mike Lamont</a>, <a href="/search/physics?searchtype=author&query=Levinson%2C+L">Lorne Levinson</a>, <a href="/search/physics?searchtype=author&query=Otono%2C+H">Hidetoshi Otono</a>, <a href="/search/physics?searchtype=author&query=Osborne%2C+J">John Osborne</a>, <a href="/search/physics?searchtype=author&query=Petersen%2C+B">Brian Petersen</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="1812.09139v1-abstract-short" style="display: inline;"> FASER is a proposed small and inexpensive experiment designed to search for light, weakly-interacting particles during Run 3 of the LHC from 2021-23. Such particles may be produced in large numbers along the beam collision axis, travel for hundreds of meters without interacting, and then decay to standard model particles. To search for such events, FASER will be located 480 m downstream of the ATL… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1812.09139v1-abstract-full').style.display = 'inline'; document.getElementById('1812.09139v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1812.09139v1-abstract-full" style="display: none;"> FASER is a proposed small and inexpensive experiment designed to search for light, weakly-interacting particles during Run 3 of the LHC from 2021-23. Such particles may be produced in large numbers along the beam collision axis, travel for hundreds of meters without interacting, and then decay to standard model particles. To search for such events, FASER will be located 480 m downstream of the ATLAS IP in the unused service tunnel TI12 and be sensitive to particles that decay in a cylindrical volume with radius R=10 cm and length L=1.5 m. FASER will complement the LHC's existing physics program, extending its discovery potential to a host of new, light particles, with potentially far-reaching implications for particle physics and cosmology. This document describes the technical details of the FASER detector components: the magnets, the tracker, the scintillator system, and the calorimeter, as well as the trigger and readout system. The preparatory work that is needed to install and operate the detector, including civil engineering, transport, and integration with various services is also presented. The information presented includes preliminary cost estimates for the detector components and the infrastructure work, as well as a timeline for the design, construction, and installation of the experiment. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1812.09139v1-abstract-full').style.display = 'none'; document.getElementById('1812.09139v1-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 December, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 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">82 pages, 62 figures; submitted to the CERN LHCC on 7 November 2018</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> CERN-LHCC-2018-036, LHCC-P-013, UCI-TR-2018-22, KYUSHU-RCAPP-2018-07 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1811.10243">arXiv:1811.10243</a> <span> [<a href="https://arxiv.org/pdf/1811.10243">pdf</a>, <a href="https://arxiv.org/format/1811.10243">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> <p class="title is-5 mathjax"> Letter of Intent for FASER: ForwArd Search ExpeRiment at the LHC </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=FASER+Collaboration"> FASER Collaboration</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">Akitaka Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">Tomoko Ariga</a>, <a href="/search/physics?searchtype=author&query=Boyd%2C+J">Jamie Boyd</a>, <a href="/search/physics?searchtype=author&query=Casper%2C+D+W">David W. Casper</a>, <a href="/search/physics?searchtype=author&query=Feng%2C+J+L">Jonathan L. Feng</a>, <a href="/search/physics?searchtype=author&query=Galon%2C+I">Iftah Galon</a>, <a href="/search/physics?searchtype=author&query=Hsu%2C+S">Shih-Chieh Hsu</a>, <a href="/search/physics?searchtype=author&query=Kling%2C+F">Felix Kling</a>, <a href="/search/physics?searchtype=author&query=Otono%2C+H">Hidetoshi Otono</a>, <a href="/search/physics?searchtype=author&query=Petersen%2C+B">Brian Petersen</a>, <a href="/search/physics?searchtype=author&query=Sato%2C+O">Osamu Sato</a>, <a href="/search/physics?searchtype=author&query=Soffa%2C+A+M">Aaron M. Soffa</a>, <a href="/search/physics?searchtype=author&query=Swaney%2C+J+R">Jeffrey R. Swaney</a>, <a href="/search/physics?searchtype=author&query=Trojanowski%2C+S">Sebastian Trojanowski</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1811.10243v1-abstract-short" style="display: inline;"> FASER is a proposed small and inexpensive experiment designed to search for light, weakly-interacting particles at the LHC. Such particles are dominantly produced along the beam collision axis and may be long-lived, traveling hundreds of meters before decaying. To exploit both of these properties, FASER is to be located along the beam collision axis, 480 m downstream from the ATLAS interaction poi… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1811.10243v1-abstract-full').style.display = 'inline'; document.getElementById('1811.10243v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1811.10243v1-abstract-full" style="display: none;"> FASER is a proposed small and inexpensive experiment designed to search for light, weakly-interacting particles at the LHC. Such particles are dominantly produced along the beam collision axis and may be long-lived, traveling hundreds of meters before decaying. To exploit both of these properties, FASER is to be located along the beam collision axis, 480 m downstream from the ATLAS interaction point, in the unused service tunnel TI18. We propose that FASER be installed in TI18 in Long Shutdown 2 in time to collect data from 2021-23 during Run 3 of the 14 TeV LHC. FASER will detect new particles that decay within a cylindrical volume with radius R= 10 cm and length L = 1.5 m. With these small dimensions, FASER will complement the LHC's existing physics program, extending its discovery potential to a host of new particles, including dark photons, axion-like particles, and other CP-odd scalars. A FLUKA simulation and analytical estimates have confirmed that numerous potential backgrounds are highly suppressed at the FASER location, and the first in situ measurements are currently underway. We describe FASER's location and discovery potential, its target signals and backgrounds, the detector's layout and components, and the experiment's preliminary cost estimate, funding, and timeline. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1811.10243v1-abstract-full').style.display = 'none'; document.getElementById('1811.10243v1-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 November, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 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">23 pages, 13 figures; submitted to the CERN LHCC on 18 July 2018</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> CERN-LHCC-2018-030, LHCC-I-032, UCI-TR-2018-18, KYUSHU-RCAPP-2018-05 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1811.00095">arXiv:1811.00095</a> <span> [<a href="https://arxiv.org/pdf/1811.00095">pdf</a>, <a href="https://arxiv.org/format/1811.00095">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"> Latest results of the OPERA experiment on nu-tau appearance in the CNGS neutrino beam </p> <p class="authors"> <span class="search-hit">Authors:</span> <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=Anokhina%2C+A">A. Anokhina</a>, <a href="/search/physics?searchtype=author&query=Aoki%2C+S">S. Aoki</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">A. Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">T. Ariga</a>, <a href="/search/physics?searchtype=author&query=Bertolin%2C+A">A. Bertolin</a>, <a href="/search/physics?searchtype=author&query=Bozza%2C+C">C. Bozza</a>, <a href="/search/physics?searchtype=author&query=Brugnera%2C+R">R. Brugnera</a>, <a href="/search/physics?searchtype=author&query=Buonaura%2C+A">A. Buonaura</a>, <a href="/search/physics?searchtype=author&query=Buontempo%2C+S">S. Buontempo</a>, <a href="/search/physics?searchtype=author&query=Chernyavskiy%2C+M">M. Chernyavskiy</a>, <a href="/search/physics?searchtype=author&query=Chukanov%2C+A">A. Chukanov</a>, <a href="/search/physics?searchtype=author&query=Consiglio%2C+L">L. Consiglio</a>, <a href="/search/physics?searchtype=author&query=D%27Ambrosio%2C+N">N. D'Ambrosio</a>, <a href="/search/physics?searchtype=author&query=De+Lellis%2C+G">G. De Lellis</a>, <a href="/search/physics?searchtype=author&query=De+Serio%2C+M">M. De Serio</a>, <a href="/search/physics?searchtype=author&query=Sanchez%2C+P+d+A">P. del Amo Sanchez</a>, <a href="/search/physics?searchtype=author&query=Di+Crescenzo%2C+A">A. Di Crescenzo</a>, <a href="/search/physics?searchtype=author&query=Di+Ferdinando%2C+D">D. Di Ferdinando</a>, <a href="/search/physics?searchtype=author&query=Di+Marco%2C+N">N. Di Marco</a>, <a href="/search/physics?searchtype=author&query=Dmitrievsky%2C+S">S. Dmitrievsky</a>, <a href="/search/physics?searchtype=author&query=Dracos%2C+M">M. Dracos</a>, <a href="/search/physics?searchtype=author&query=Duchesneau%2C+D">D. Duchesneau</a>, <a href="/search/physics?searchtype=author&query=Dusini%2C+S">S. Dusini</a> , et al. (110 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="1811.00095v2-abstract-short" style="display: inline;"> OPERA is a long-baseline experiment designed to search for $谓_渭\to谓_蟿$ oscillations in appearance mode. It was based at the INFN Gran Sasso laboratory (LNGS) and took data from 2008 to 2012 with the CNGS neutrino beam from CERN. After the discovery of $谓_蟿$ appearance in 2015, with $5.1蟽$ significance, the criteria to select $谓_蟿$ candidates have been extended and a multivariate approach has been… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1811.00095v2-abstract-full').style.display = 'inline'; document.getElementById('1811.00095v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1811.00095v2-abstract-full" style="display: none;"> OPERA is a long-baseline experiment designed to search for $谓_渭\to谓_蟿$ oscillations in appearance mode. It was based at the INFN Gran Sasso laboratory (LNGS) and took data from 2008 to 2012 with the CNGS neutrino beam from CERN. After the discovery of $谓_蟿$ appearance in 2015, with $5.1蟽$ significance, the criteria to select $谓_蟿$ candidates have been extended and a multivariate approach has been used for events identification. In this way the statistical uncertainty in the measurement of the oscillation parameters and of $谓_蟿$ properties has been improved. Results are reported. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1811.00095v2-abstract-full').style.display = 'none'; document.getElementById('1811.00095v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 7 December, 2018; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 31 October, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 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">7 pages, 1 figure, conference: The 15th International Workshop on Tau Lepton Physics (tau2018)AB</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1810.10783">arXiv:1810.10783</a> <span> [<a href="https://arxiv.org/pdf/1810.10783">pdf</a>, <a href="https://arxiv.org/format/1810.10783">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1475-7516/2019/10/003">10.1088/1475-7516/2019/10/003 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of the cosmic ray muon flux seasonal variation with the OPERA detector </p> <p class="authors"> <span class="search-hit">Authors:</span> <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=Anokhina%2C+A">A. Anokhina</a>, <a href="/search/physics?searchtype=author&query=Aoki%2C+S">S. Aoki</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">A. Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">T. Ariga</a>, <a href="/search/physics?searchtype=author&query=Bertolin%2C+A">A. Bertolin</a>, <a href="/search/physics?searchtype=author&query=Bozza%2C+C">C. Bozza</a>, <a href="/search/physics?searchtype=author&query=Brugnera%2C+R">R. Brugnera</a>, <a href="/search/physics?searchtype=author&query=Buonaura%2C+A">A. Buonaura</a>, <a href="/search/physics?searchtype=author&query=Buontempo%2C+S">S. Buontempo</a>, <a href="/search/physics?searchtype=author&query=Chernyavskiy%2C+M">M. Chernyavskiy</a>, <a href="/search/physics?searchtype=author&query=Chukanov%2C+A">A. Chukanov</a>, <a href="/search/physics?searchtype=author&query=Consiglio%2C+L">L. Consiglio</a>, <a href="/search/physics?searchtype=author&query=D%27Ambrosio%2C+N">N. D'Ambrosio</a>, <a href="/search/physics?searchtype=author&query=De+Lellis%2C+G">G. De Lellis</a>, <a href="/search/physics?searchtype=author&query=De+Serio%2C+M">M. De Serio</a>, <a href="/search/physics?searchtype=author&query=Sanchez%2C+P+d+A">P. del Amo Sanchez</a>, <a href="/search/physics?searchtype=author&query=Di+Crescenzo%2C+A">A. Di Crescenzo</a>, <a href="/search/physics?searchtype=author&query=Di+Ferdinando%2C+D">D. Di Ferdinando</a>, <a href="/search/physics?searchtype=author&query=Di+Marco%2C+N">N. Di Marco</a>, <a href="/search/physics?searchtype=author&query=Dmitrievsky%2C+S">S. Dmitrievsky</a>, <a href="/search/physics?searchtype=author&query=Dracos%2C+M">M. Dracos</a>, <a href="/search/physics?searchtype=author&query=Duchesneau%2C+D">D. Duchesneau</a>, <a href="/search/physics?searchtype=author&query=Dusini%2C+S">S. Dusini</a> , et al. (103 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="1810.10783v1-abstract-short" style="display: inline;"> The OPERA experiment discovered muon neutrino into tau neutrino oscillations in appearance mode, detecting tau leptons by means of nuclear emulsion films. The apparatus was also endowed with electronic detectors with tracking capability, such as scintillator strips and resistive plate chambers. Because of its location, in the underground Gran Sasso laboratory, under 3800 m.w.e., the OPERA detector… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1810.10783v1-abstract-full').style.display = 'inline'; document.getElementById('1810.10783v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1810.10783v1-abstract-full" style="display: none;"> The OPERA experiment discovered muon neutrino into tau neutrino oscillations in appearance mode, detecting tau leptons by means of nuclear emulsion films. The apparatus was also endowed with electronic detectors with tracking capability, such as scintillator strips and resistive plate chambers. Because of its location, in the underground Gran Sasso laboratory, under 3800 m.w.e., the OPERA detector has also been used as an observatory for TeV muons produced by cosmic rays in the atmosphere. In this paper the measurement of the single muon flux modulation and of its correlation with the seasonal variation of the atmospheric temperature are reported. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1810.10783v1-abstract-full').style.display = 'none'; document.getElementById('1810.10783v1-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 October, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2018. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1807.10340">arXiv:1807.10340</a> <span> [<a href="https://arxiv.org/pdf/1807.10340">pdf</a>, <a href="https://arxiv.org/format/1807.10340">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> </div> <p class="title is-5 mathjax"> The DUNE Far Detector Interim Design Report, Volume 3: Dual-Phase Module </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=DUNE+Collaboration"> DUNE Collaboration</a>, <a href="/search/physics?searchtype=author&query=Abi%2C+B">B. Abi</a>, <a href="/search/physics?searchtype=author&query=Acciarri%2C+R">R. Acciarri</a>, <a href="/search/physics?searchtype=author&query=Acero%2C+M+A">M. A. Acero</a>, <a href="/search/physics?searchtype=author&query=Adamowski%2C+M">M. Adamowski</a>, <a href="/search/physics?searchtype=author&query=Adams%2C+C">C. Adams</a>, <a href="/search/physics?searchtype=author&query=Adams%2C+D">D. Adams</a>, <a href="/search/physics?searchtype=author&query=Adamson%2C+P">P. Adamson</a>, <a href="/search/physics?searchtype=author&query=Adinolfi%2C+M">M. Adinolfi</a>, <a href="/search/physics?searchtype=author&query=Ahmad%2C+Z">Z. Ahmad</a>, <a href="/search/physics?searchtype=author&query=Albright%2C+C+H">C. H. Albright</a>, <a href="/search/physics?searchtype=author&query=Soplin%2C+L+A">L. Aliaga Soplin</a>, <a href="/search/physics?searchtype=author&query=Alion%2C+T">T. Alion</a>, <a href="/search/physics?searchtype=author&query=Monsalve%2C+S+A">S. Alonso Monsalve</a>, <a href="/search/physics?searchtype=author&query=Alrashed%2C+M">M. Alrashed</a>, <a href="/search/physics?searchtype=author&query=Alt%2C+C">C. Alt</a>, <a href="/search/physics?searchtype=author&query=Anderson%2C+J">J. Anderson</a>, <a href="/search/physics?searchtype=author&query=Anderson%2C+K">K. Anderson</a>, <a href="/search/physics?searchtype=author&query=Andreopoulos%2C+C">C. Andreopoulos</a>, <a href="/search/physics?searchtype=author&query=Andrews%2C+M+P">M. P. Andrews</a>, <a href="/search/physics?searchtype=author&query=Andrews%2C+R+A">R. A. Andrews</a>, <a href="/search/physics?searchtype=author&query=Ankowski%2C+A">A. Ankowski</a>, <a href="/search/physics?searchtype=author&query=Anthony%2C+J">J. Anthony</a>, <a href="/search/physics?searchtype=author&query=Antonello%2C+M">M. Antonello</a>, <a href="/search/physics?searchtype=author&query=Antonova%2C+M">M. Antonova</a> , et al. (1076 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="1807.10340v1-abstract-short" style="display: inline;"> The DUNE IDR describes the proposed physics program and technical designs of the DUNE far detector modules in preparation for the full TDR to be published in 2019. It is intended as an intermediate milestone on the path to a full TDR, justifying the technical choices that flow down from the high-level physics goals through requirements at all levels of the Project. These design choices will enable… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1807.10340v1-abstract-full').style.display = 'inline'; document.getElementById('1807.10340v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1807.10340v1-abstract-full" style="display: none;"> The DUNE IDR describes the proposed physics program and technical designs of the DUNE far detector modules in preparation for the full TDR to be published in 2019. It is intended as an intermediate milestone on the path to a full TDR, justifying the technical choices that flow down from the high-level physics goals through requirements at all levels of the Project. These design choices will enable the DUNE experiment to make the ground-breaking discoveries that will help to answer fundamental physics questions. Volume 3 describes the dual-phase module's subsystems, the technical coordination required for its design, construction, installation, and integration, and its organizational structure. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1807.10340v1-abstract-full').style.display = 'none'; document.getElementById('1807.10340v1-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, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 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">280 pages, 109 figures. arXiv admin note: text overlap with arXiv:1807.10327</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> Fermilab-Design-2018-04 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1807.10334">arXiv:1807.10334</a> <span> [<a href="https://arxiv.org/pdf/1807.10334">pdf</a>, <a href="https://arxiv.org/format/1807.10334">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> </div> <p class="title is-5 mathjax"> The DUNE Far Detector Interim Design Report Volume 1: Physics, Technology and Strategies </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=DUNE+Collaboration"> DUNE Collaboration</a>, <a href="/search/physics?searchtype=author&query=Abi%2C+B">B. Abi</a>, <a href="/search/physics?searchtype=author&query=Acciarri%2C+R">R. Acciarri</a>, <a href="/search/physics?searchtype=author&query=Acero%2C+M+A">M. A. Acero</a>, <a href="/search/physics?searchtype=author&query=Adamowski%2C+M">M. Adamowski</a>, <a href="/search/physics?searchtype=author&query=Adams%2C+C">C. Adams</a>, <a href="/search/physics?searchtype=author&query=Adams%2C+D">D. Adams</a>, <a href="/search/physics?searchtype=author&query=Adamson%2C+P">P. Adamson</a>, <a href="/search/physics?searchtype=author&query=Adinolfi%2C+M">M. Adinolfi</a>, <a href="/search/physics?searchtype=author&query=Ahmad%2C+Z">Z. Ahmad</a>, <a href="/search/physics?searchtype=author&query=Albright%2C+C+H">C. H. Albright</a>, <a href="/search/physics?searchtype=author&query=Soplin%2C+L+A">L. Aliaga Soplin</a>, <a href="/search/physics?searchtype=author&query=Alion%2C+T">T. Alion</a>, <a href="/search/physics?searchtype=author&query=Monsalve%2C+S+A">S. Alonso Monsalve</a>, <a href="/search/physics?searchtype=author&query=Alrashed%2C+M">M. Alrashed</a>, <a href="/search/physics?searchtype=author&query=Alt%2C+C">C. Alt</a>, <a href="/search/physics?searchtype=author&query=Anderson%2C+J">J. Anderson</a>, <a href="/search/physics?searchtype=author&query=Anderson%2C+K">K. Anderson</a>, <a href="/search/physics?searchtype=author&query=Andreopoulos%2C+C">C. Andreopoulos</a>, <a href="/search/physics?searchtype=author&query=Andrews%2C+M+P">M. P. Andrews</a>, <a href="/search/physics?searchtype=author&query=Andrews%2C+R+A">R. A. Andrews</a>, <a href="/search/physics?searchtype=author&query=Ankowski%2C+A">A. Ankowski</a>, <a href="/search/physics?searchtype=author&query=Anthony%2C+J">J. Anthony</a>, <a href="/search/physics?searchtype=author&query=Antonello%2C+M">M. Antonello</a>, <a href="/search/physics?searchtype=author&query=Antonova%2C+M">M. Antonova</a> , et al. (1076 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="1807.10334v1-abstract-short" style="display: inline;"> The DUNE IDR describes the proposed physics program and technical designs of the DUNE Far Detector modules in preparation for the full TDR to be published in 2019. It is intended as an intermediate milestone on the path to a full TDR, justifying the technical choices that flow down from the high-level physics goals through requirements at all levels of the Project. These design choices will enable… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1807.10334v1-abstract-full').style.display = 'inline'; document.getElementById('1807.10334v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1807.10334v1-abstract-full" style="display: none;"> The DUNE IDR describes the proposed physics program and technical designs of the DUNE Far Detector modules in preparation for the full TDR to be published in 2019. It is intended as an intermediate milestone on the path to a full TDR, justifying the technical choices that flow down from the high-level physics goals through requirements at all levels of the Project. These design choices will enable the DUNE experiment to make the ground-breaking discoveries that will help to answer fundamental physics questions. Volume 1 contains an executive summary that describes the general aims of this document. The remainder of this first volume provides a more detailed description of the DUNE physics program that drives the choice of detector technologies. It also includes concise outlines of two overarching systems that have not yet evolved to consortium structures: computing and calibration. Volumes 2 and 3 of this IDR describe, for the single-phase and dual-phase technologies, respectively, each detector module's subsystems, the technical coordination required for its design, construction, installation, and integration, and its organizational structure. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1807.10334v1-abstract-full').style.display = 'none'; document.getElementById('1807.10334v1-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, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 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">83 pages, 11 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> Fermilab-Design-2018-02 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1807.10327">arXiv:1807.10327</a> <span> [<a href="https://arxiv.org/pdf/1807.10327">pdf</a>, <a href="https://arxiv.org/format/1807.10327">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> </div> <p class="title is-5 mathjax"> The DUNE Far Detector Interim Design Report, Volume 2: Single-Phase Module </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=DUNE+Collaboration"> DUNE Collaboration</a>, <a href="/search/physics?searchtype=author&query=Abi%2C+B">B. Abi</a>, <a href="/search/physics?searchtype=author&query=Acciarri%2C+R">R. Acciarri</a>, <a href="/search/physics?searchtype=author&query=Acero%2C+M+A">M. A. Acero</a>, <a href="/search/physics?searchtype=author&query=Adamowski%2C+M">M. Adamowski</a>, <a href="/search/physics?searchtype=author&query=Adams%2C+C">C. Adams</a>, <a href="/search/physics?searchtype=author&query=Adams%2C+D">D. Adams</a>, <a href="/search/physics?searchtype=author&query=Adamson%2C+P">P. Adamson</a>, <a href="/search/physics?searchtype=author&query=Adinolfi%2C+M">M. Adinolfi</a>, <a href="/search/physics?searchtype=author&query=Ahmad%2C+Z">Z. Ahmad</a>, <a href="/search/physics?searchtype=author&query=Albright%2C+C+H">C. H. Albright</a>, <a href="/search/physics?searchtype=author&query=Soplin%2C+L+A">L. Aliaga Soplin</a>, <a href="/search/physics?searchtype=author&query=Alion%2C+T">T. Alion</a>, <a href="/search/physics?searchtype=author&query=Monsalve%2C+S+A">S. Alonso Monsalve</a>, <a href="/search/physics?searchtype=author&query=Alrashed%2C+M">M. Alrashed</a>, <a href="/search/physics?searchtype=author&query=Alt%2C+C">C. Alt</a>, <a href="/search/physics?searchtype=author&query=Anderson%2C+J">J. Anderson</a>, <a href="/search/physics?searchtype=author&query=Anderson%2C+K">K. Anderson</a>, <a href="/search/physics?searchtype=author&query=Andreopoulos%2C+C">C. Andreopoulos</a>, <a href="/search/physics?searchtype=author&query=Andrews%2C+M+P">M. P. Andrews</a>, <a href="/search/physics?searchtype=author&query=Andrews%2C+R+A">R. A. Andrews</a>, <a href="/search/physics?searchtype=author&query=Ankowski%2C+A">A. Ankowski</a>, <a href="/search/physics?searchtype=author&query=Anthony%2C+J">J. Anthony</a>, <a href="/search/physics?searchtype=author&query=Antonello%2C+M">M. Antonello</a>, <a href="/search/physics?searchtype=author&query=Antonova%2C+M">M. Antonova</a> , et al. (1076 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="1807.10327v1-abstract-short" style="display: inline;"> The DUNE IDR describes the proposed physics program and technical designs of the DUNE far detector modules in preparation for the full TDR to be published in 2019. It is intended as an intermediate milestone on the path to a full TDR, justifying the technical choices that flow down from the high-level physics goals through requirements at all levels of the Project. These design choices will enable… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1807.10327v1-abstract-full').style.display = 'inline'; document.getElementById('1807.10327v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1807.10327v1-abstract-full" style="display: none;"> The DUNE IDR describes the proposed physics program and technical designs of the DUNE far detector modules in preparation for the full TDR to be published in 2019. It is intended as an intermediate milestone on the path to a full TDR, justifying the technical choices that flow down from the high-level physics goals through requirements at all levels of the Project. These design choices will enable the DUNE experiment to make the ground-breaking discoveries that will help to answer fundamental physics questions. Volume 2 describes the single-phase module's subsystems, the technical coordination required for its design, construction, installation, and integration, and its organizational structure. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1807.10327v1-abstract-full').style.display = 'none'; document.getElementById('1807.10327v1-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, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 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">324 pages, 130 figures. arXiv admin note: text overlap with arXiv:1807.10340</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> Fermilab-Design-2018-03 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1803.11400">arXiv:1803.11400</a> <span> [<a href="https://arxiv.org/pdf/1803.11400">pdf</a>, <a href="https://arxiv.org/format/1803.11400">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"> Final results of the search for $谓_渭 \to 谓_{e}$ oscillations with the OPERA detector in the CNGS beam </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=OPERA+Collaboration"> OPERA Collaboration</a>, <a href="/search/physics?searchtype=author&query=Agafonova%2C+N">N. Agafonova</a>, <a href="/search/physics?searchtype=author&query=Aleksandrov%2C+A">A. Aleksandrov</a>, <a href="/search/physics?searchtype=author&query=Anokhina%2C+A">A. Anokhina</a>, <a href="/search/physics?searchtype=author&query=Aoki%2C+S">S. Aoki</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">A. Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">T. Ariga</a>, <a href="/search/physics?searchtype=author&query=Bertolin%2C+A">A. Bertolin</a>, <a href="/search/physics?searchtype=author&query=Bozza%2C+C">C. Bozza</a>, <a href="/search/physics?searchtype=author&query=Brugnera%2C+R">R. Brugnera</a>, <a href="/search/physics?searchtype=author&query=Buonaura%2C+A">A. Buonaura</a>, <a href="/search/physics?searchtype=author&query=Buontempo%2C+S">S. Buontempo</a>, <a href="/search/physics?searchtype=author&query=Chernyavskiy%2C+M">M. Chernyavskiy</a>, <a href="/search/physics?searchtype=author&query=Chukanov%2C+A">A. Chukanov</a>, <a href="/search/physics?searchtype=author&query=Consiglio%2C+L">L. Consiglio</a>, <a href="/search/physics?searchtype=author&query=D%27Ambrosio%2C+N">N. D'Ambrosio</a>, <a href="/search/physics?searchtype=author&query=De+Lellis%2C+G">G. De Lellis</a>, <a href="/search/physics?searchtype=author&query=De+Serio%2C+M">M. De Serio</a>, <a href="/search/physics?searchtype=author&query=Sanchez%2C+P+d+A">P. del Amo Sanchez</a>, <a href="/search/physics?searchtype=author&query=Di+Crescenzo%2C+A">A. Di Crescenzo</a>, <a href="/search/physics?searchtype=author&query=Di+Ferdinando%2C+D">D. Di Ferdinando</a>, <a href="/search/physics?searchtype=author&query=Di+Marco%2C+N">N. Di Marco</a>, <a href="/search/physics?searchtype=author&query=Dmitrievsky%2C+S">S. Dmitrievsky</a>, <a href="/search/physics?searchtype=author&query=Dracos%2C+M">M. Dracos</a>, <a href="/search/physics?searchtype=author&query=Duchesneau%2C+D">D. Duchesneau</a> , et al. (108 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="1803.11400v2-abstract-short" style="display: inline;"> The OPERA experiment has discovered the tau neutrino appearance in the CNGS muon neutrino beam, in agreement with the 3 neutrino flavour oscillation hypothesis. The OPERA neutrino interaction target, made of Emulsion Cloud Chamber, was particularly efficient in the reconstruction of electromagnetic showers. Moreover, thanks to the very high granularity of the emulsion films, showers induced by ele… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1803.11400v2-abstract-full').style.display = 'inline'; document.getElementById('1803.11400v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1803.11400v2-abstract-full" style="display: none;"> The OPERA experiment has discovered the tau neutrino appearance in the CNGS muon neutrino beam, in agreement with the 3 neutrino flavour oscillation hypothesis. The OPERA neutrino interaction target, made of Emulsion Cloud Chamber, was particularly efficient in the reconstruction of electromagnetic showers. Moreover, thanks to the very high granularity of the emulsion films, showers induced by electrons can be distinguished from those induced by $蟺^0$s, thus allowing the detection of charged current interactions of electron neutrinos. In this paper the results of the search for electron neutrino events using the full dataset are reported. An improved method for the electron neutrino energy estimation is exploited. Data are compatible with the 3 neutrino flavour mixing model expectations and are used to set limits on the oscillation parameters of the 3+1 neutrino mixing model, in which an additional mass eigenstate $m_{4}$ is introduced. At high $螖m^{2}_{41}$ $( \gtrsim 0.1~\textrm{eV}^{2})$, an upper limit on $\sin^2 2胃_{渭e}$ is set to 0.021 at 90% C.L. and $螖m^2_{41} \gtrsim 4 \times 10^{-3}~\textrm{eV}^{2}$ is excluded for maximal mixing in appearance mode. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1803.11400v2-abstract-full').style.display = 'none'; document.getElementById('1803.11400v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 7 June, 2018; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 30 March, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 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">Editors: M. Tenti and S. Vasina</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1803.00452">arXiv:1803.00452</a> <span> [<a href="https://arxiv.org/pdf/1803.00452">pdf</a>, <a href="https://arxiv.org/format/1803.00452">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1140/epjc/s10052-018-6395-7">10.1140/epjc/s10052-018-6395-7 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> A Cold/Ultracold Neutron Detector using Fine-grained Nuclear Emulsion with Spatial Resolution less than 100 nm </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Naganawa%2C+N">N. Naganawa</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">T. Ariga</a>, <a href="/search/physics?searchtype=author&query=Awano%2C+S">S. Awano</a>, <a href="/search/physics?searchtype=author&query=Hino%2C+M">M. Hino</a>, <a href="/search/physics?searchtype=author&query=Hirota%2C+K">K. Hirota</a>, <a href="/search/physics?searchtype=author&query=Kawahara%2C+H">H. Kawahara</a>, <a href="/search/physics?searchtype=author&query=Kitaguchi%2C+M">M. Kitaguchi</a>, <a href="/search/physics?searchtype=author&query=Mishima%2C+K">K. Mishima</a>, <a href="/search/physics?searchtype=author&query=Shimizu%2C+H+M">H. M. Shimizu</a>, <a href="/search/physics?searchtype=author&query=Tada%2C+S">S. Tada</a>, <a href="/search/physics?searchtype=author&query=Tasaki%2C+S">S. Tasaki</a>, <a href="/search/physics?searchtype=author&query=Umemoto%2C+A">A. Umemoto</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1803.00452v1-abstract-short" style="display: inline;"> A new type of cold/ultracold neutron detector that can realize a spatial resolution of less than 100 nm was developed using nuclear emulsion. The detector consists of a fine-grained nuclear emulsion coating and a 50-nm thick $^{10}$B$_4$C layer for the neutron conversion. The detector was exposed to cold and ultracold neutrons (UCNs) at the J-PARC. Detection efficiencies were measured as (0.16… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1803.00452v1-abstract-full').style.display = 'inline'; document.getElementById('1803.00452v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1803.00452v1-abstract-full" style="display: none;"> A new type of cold/ultracold neutron detector that can realize a spatial resolution of less than 100 nm was developed using nuclear emulsion. The detector consists of a fine-grained nuclear emulsion coating and a 50-nm thick $^{10}$B$_4$C layer for the neutron conversion. The detector was exposed to cold and ultracold neutrons (UCNs) at the J-PARC. Detection efficiencies were measured as (0.16$\pm$0.02)% and (12$\pm$2)% for cold and ultracold neutrons consistently with the $^{10}$B content in the converter. Positions of individual neutrons can be determined by observing secondary particle tracks recorded in the nuclear emulsion. The spatial resolution of incident neutrons were found to be in the range of 11-99 nm in the angle region of tan$胃\leq 1.9$, where $胃$ is the angle between a recorded track and the normal direction of the converter layer. The achieved spatial resolution corresponds to the improvement of one or two orders of magnitude compared with conventional techniques and it is comparable with the wavelength of UCNs. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1803.00452v1-abstract-full').style.display = 'none'; document.getElementById('1803.00452v1-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 March, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2018. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1708.08700">arXiv:1708.08700</a> <span> [<a href="https://arxiv.org/pdf/1708.08700">pdf</a>, <a href="https://arxiv.org/format/1708.08700">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"> Study of tau-neutrino production at the CERN SPS </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Aoki%2C+S">S. Aoki</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">A. Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">T. Ariga</a>, <a href="/search/physics?searchtype=author&query=Firu%2C+E">E. Firu</a>, <a href="/search/physics?searchtype=author&query=Fukuda%2C+T">T. Fukuda</a>, <a href="/search/physics?searchtype=author&query=Gornushkin%2C+Y">Y. Gornushkin</a>, <a href="/search/physics?searchtype=author&query=Guler%2C+A+M">A. M. Guler</a>, <a href="/search/physics?searchtype=author&query=Haiduc%2C+M">M. Haiduc</a>, <a href="/search/physics?searchtype=author&query=Kodama%2C+K">K. Kodama</a>, <a href="/search/physics?searchtype=author&query=Korkmaz%2C+M+A">M. A. Korkmaz</a>, <a href="/search/physics?searchtype=author&query=Kose%2C+U">U. Kose</a>, <a href="/search/physics?searchtype=author&query=Nakamura%2C+M">M. Nakamura</a>, <a href="/search/physics?searchtype=author&query=Nakano%2C+T">T. Nakano</a>, <a href="/search/physics?searchtype=author&query=Neagu%2C+A+T">A. T. Neagu</a>, <a href="/search/physics?searchtype=author&query=Rokujo%2C+H">H. Rokujo</a>, <a href="/search/physics?searchtype=author&query=Sato%2C+O">O. Sato</a>, <a href="/search/physics?searchtype=author&query=Vasina%2C+S">S. Vasina</a>, <a href="/search/physics?searchtype=author&query=Vladymyrov%2C+M">M. Vladymyrov</a>, <a href="/search/physics?searchtype=author&query=Yoshimoto%2C+M">M. Yoshimoto</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1708.08700v1-abstract-short" style="display: inline;"> The DsTau project proposes to study tau-neutrino production in high-energy proton interactions. The outcome of this experiment are prerequisite for measuring the $谓_蟿$ charged-current cross section that has never been well measured. Precisely measuring the cross section would enable testing of lepton universality in $谓_蟿$ scattering and it also has practical implications for neutrino oscillation e… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1708.08700v1-abstract-full').style.display = 'inline'; document.getElementById('1708.08700v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1708.08700v1-abstract-full" style="display: none;"> The DsTau project proposes to study tau-neutrino production in high-energy proton interactions. The outcome of this experiment are prerequisite for measuring the $谓_蟿$ charged-current cross section that has never been well measured. Precisely measuring the cross section would enable testing of lepton universality in $谓_蟿$ scattering and it also has practical implications for neutrino oscillation experiments and high-energy astrophysical $谓_蟿$ observations. $D_s$ mesons, the source of tau neutrinos, following high-energy proton interactions will be studied by a novel approach to detect the double-kink topology of the decays $D_s \rightarrow 蟿谓_蟿$ and $蟿\rightarrow谓_蟿X$. Directly measuring $D_s\rightarrow 蟿$ decays will provide an inclusive measurement of the $D_s$ production rate and decay branching ratio to $蟿$. The momentum reconstruction of $D_s$ will be performed by combining topological variables. This project aims to detect 1,000 $D_s \rightarrow 蟿$ decays in $2.3 \times 10^8$ proton interactions in tungsten target to study the differential production cross section of $D_s$ mesons. To achieve this, state-of-the-art emulsion detectors with a nanometric-precision readout will be used. The data generated by this project will enable the $谓_蟿$ cross section from DONUT to be re-evaluated, and this should significantly reduce the total systematic uncertainty. Furthermore, these results will provide essential data for future $谓_蟿$ experiments such as the $谓_蟿$ program in the SHiP project at CERN. In addition, the analysis of $2.3 \times 10^8$ proton interactions, combined with the expected high yield of $10^5$ charmed decays as by-products, will enable the extraction of additional physical quantities. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1708.08700v1-abstract-full').style.display = 'none'; document.getElementById('1708.08700v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 29 August, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2017. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">CERN-SPSC-2017-029 (SPSC-P-354)</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1706.07081">arXiv:1706.07081</a> <span> [<a href="https://arxiv.org/pdf/1706.07081">pdf</a>, <a href="https://arxiv.org/format/1706.07081">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> </div> <p class="title is-5 mathjax"> The Single-Phase ProtoDUNE Technical Design Report </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Abi%2C+B">B. Abi</a>, <a href="/search/physics?searchtype=author&query=Acciarri%2C+R">R. Acciarri</a>, <a href="/search/physics?searchtype=author&query=Acero%2C+M+A">M. A. Acero</a>, <a href="/search/physics?searchtype=author&query=Adamowski%2C+M">M. Adamowski</a>, <a href="/search/physics?searchtype=author&query=Adams%2C+C">C. Adams</a>, <a href="/search/physics?searchtype=author&query=Adams%2C+D+L">D. L. Adams</a>, <a href="/search/physics?searchtype=author&query=Adamson%2C+P">P. Adamson</a>, <a href="/search/physics?searchtype=author&query=Adinolfi%2C+M">M. Adinolfi</a>, <a href="/search/physics?searchtype=author&query=Ahmad%2C+Z">Z. Ahmad</a>, <a href="/search/physics?searchtype=author&query=Albright%2C+C+H">C. H. Albright</a>, <a href="/search/physics?searchtype=author&query=Alion%2C+T">T. Alion</a>, <a href="/search/physics?searchtype=author&query=Anderson%2C+J">J. Anderson</a>, <a href="/search/physics?searchtype=author&query=Anderson%2C+K">K. Anderson</a>, <a href="/search/physics?searchtype=author&query=Andreopoulos%2C+C">C. Andreopoulos</a>, <a href="/search/physics?searchtype=author&query=Andrews%2C+M+P">M. P. Andrews</a>, <a href="/search/physics?searchtype=author&query=Andrews%2C+R+A">R. A. Andrews</a>, <a href="/search/physics?searchtype=author&query=Anjos%2C+J+d">J. dos Anjos</a>, <a href="/search/physics?searchtype=author&query=Ankowski%2C+A">A. Ankowski</a>, <a href="/search/physics?searchtype=author&query=Anthony%2C+J">J. Anthony</a>, <a href="/search/physics?searchtype=author&query=Antonello%2C+M">M. Antonello</a>, <a href="/search/physics?searchtype=author&query=Fernandez%2C+A+A">A. Aranda Fernandez</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">A. Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">T. Ariga</a>, <a href="/search/physics?searchtype=author&query=Diaz%2C+E+A">E. Arrieta Diaz</a>, <a href="/search/physics?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a> , et al. (806 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="1706.07081v2-abstract-short" style="display: inline;"> ProtoDUNE-SP is the single-phase DUNE Far Detector prototype that is under construction and will be operated at the CERN Neutrino Platform (NP) starting in 2018. ProtoDUNE-SP, a crucial part of the DUNE effort towards the construction of the first DUNE 10-kt fiducial mass far detector module (17 kt total LAr mass), is a significant experiment in its own right. With a total liquid argon (LAr) mass… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1706.07081v2-abstract-full').style.display = 'inline'; document.getElementById('1706.07081v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1706.07081v2-abstract-full" style="display: none;"> ProtoDUNE-SP is the single-phase DUNE Far Detector prototype that is under construction and will be operated at the CERN Neutrino Platform (NP) starting in 2018. ProtoDUNE-SP, a crucial part of the DUNE effort towards the construction of the first DUNE 10-kt fiducial mass far detector module (17 kt total LAr mass), is a significant experiment in its own right. With a total liquid argon (LAr) mass of 0.77 kt, it represents the largest monolithic single-phase LArTPC detector to be built to date. It's technical design is given in this report. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1706.07081v2-abstract-full').style.display = 'none'; document.getElementById('1706.07081v2-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 July, 2017; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 21 June, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2017. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">165 pages, fix references, author list and minor numbers</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1704.05302">arXiv:1704.05302</a> <span> [<a href="https://arxiv.org/pdf/1704.05302">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Biological Physics">physics.bio-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Biomolecules">q-bio.BM</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.bpj.2017.11.2783">10.1016/j.bpj.2017.11.2783 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Nonequilibrium Energetics of Molecular Motor Kinesin </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Ariga%2C+T">Takayuki Ariga</a>, <a href="/search/physics?searchtype=author&query=Tomishige%2C+M">Michio Tomishige</a>, <a href="/search/physics?searchtype=author&query=Mizuno%2C+D">Daisuke Mizuno</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1704.05302v2-abstract-short" style="display: inline;"> Nonequilibrium energetics of single molecule translational motor kinesin was investigated by measuring heat dissipation from the violation of the fluctuation-response relation of a probe attached to the motor using optical tweezers. The sum of the dissipation and work did not amount to the input free energy change, indicating large hidden dissipation exists. Possible sources of the hidden dissipat… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1704.05302v2-abstract-full').style.display = 'inline'; document.getElementById('1704.05302v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1704.05302v2-abstract-full" style="display: none;"> Nonequilibrium energetics of single molecule translational motor kinesin was investigated by measuring heat dissipation from the violation of the fluctuation-response relation of a probe attached to the motor using optical tweezers. The sum of the dissipation and work did not amount to the input free energy change, indicating large hidden dissipation exists. Possible sources of the hidden dissipation were explored by analyzing the Langevin dynamics of the probe, which incorporates the two-state Markov stepper as a kinesin model. We conclude that internal dissipation is dominant. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1704.05302v2-abstract-full').style.display = 'none'; document.getElementById('1704.05302v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 10 July, 2018; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 18 April, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2017. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">6 pages for the main text and 9 pages for the Supplementary Material</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 121, 218101 (2018) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1701.06306">arXiv:1701.06306</a> <span> [<a href="https://arxiv.org/pdf/1701.06306">pdf</a>, <a href="https://arxiv.org/format/1701.06306">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1748-0221/12/04/P04021">10.1088/1748-0221/12/04/P04021 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of antiproton annihilation on Cu, Ag and Au with emulsion films </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Aghion%2C+S">S. Aghion</a>, <a href="/search/physics?searchtype=author&query=Amsler%2C+C">C. Amsler</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">A. Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">T. Ariga</a>, <a href="/search/physics?searchtype=author&query=Bonomi%2C+G">G. Bonomi</a>, <a href="/search/physics?searchtype=author&query=Braunig%2C+P">P. Braunig</a>, <a href="/search/physics?searchtype=author&query=Brusa%2C+R+S">R. S. Brusa</a>, <a href="/search/physics?searchtype=author&query=Cabaret%2C+L">L. Cabaret</a>, <a href="/search/physics?searchtype=author&query=Caccia%2C+M">M. Caccia</a>, <a href="/search/physics?searchtype=author&query=Caravita%2C+R">R. Caravita</a>, <a href="/search/physics?searchtype=author&query=Castelli%2C+F">F. Castelli</a>, <a href="/search/physics?searchtype=author&query=Cerchiari%2C+G">G. Cerchiari</a>, <a href="/search/physics?searchtype=author&query=Comparat%2C+D">D. Comparat</a>, <a href="/search/physics?searchtype=author&query=Consolati%2C+G">G. Consolati</a>, <a href="/search/physics?searchtype=author&query=Demetrio%2C+A">A. Demetrio</a>, <a href="/search/physics?searchtype=author&query=Di+Noto%2C+L">L. Di Noto</a>, <a href="/search/physics?searchtype=author&query=Doser%2C+M">M. Doser</a>, <a href="/search/physics?searchtype=author&query=Ereditato%2C+A">A. Ereditato</a>, <a href="/search/physics?searchtype=author&query=Evans%2C+C">C. Evans</a>, <a href="/search/physics?searchtype=author&query=Ferragut%2C+R">R. Ferragut</a>, <a href="/search/physics?searchtype=author&query=Fesel%2C+J">J. Fesel</a>, <a href="/search/physics?searchtype=author&query=Fontana%2C+A">A. Fontana</a>, <a href="/search/physics?searchtype=author&query=Gerber%2C+S">S. Gerber</a>, <a href="/search/physics?searchtype=author&query=Giammarchi%2C+M">M. Giammarchi</a>, <a href="/search/physics?searchtype=author&query=Gligorova%2C+A">A. Gligorova</a> , et al. (47 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="1701.06306v2-abstract-short" style="display: inline;"> The characteristics of low energy antiproton annihilations on nuclei (e.g. hadronization and product multiplicities) are not well known, and Monte Carlo simulation packages that use different models provide different descriptions of the annihilation events. In this study, we measured the particle multiplicities resulting from antiproton annihilations on nuclei. The results were compared with predi… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1701.06306v2-abstract-full').style.display = 'inline'; document.getElementById('1701.06306v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1701.06306v2-abstract-full" style="display: none;"> The characteristics of low energy antiproton annihilations on nuclei (e.g. hadronization and product multiplicities) are not well known, and Monte Carlo simulation packages that use different models provide different descriptions of the annihilation events. In this study, we measured the particle multiplicities resulting from antiproton annihilations on nuclei. The results were compared with predictions obtained using different models in the simulation tools GEANT4 and FLUKA. For this study, we exposed thin targets (Cu, Ag and Au) to a very low energy antiproton beam from CERN's Antiproton Decelerator, exploiting the secondary beamline available in the AEgIS experimental zone. The antiproton annihilation products were detected using emulsion films developed at the Laboratory of High Energy Physics in Bern, where they were analysed at the automatic microscope facility. The fragment multiplicity measured in this study is in good agreement with results obtained with FLUKA simulations for both minimally and heavily ionizing particles. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1701.06306v2-abstract-full').style.display = 'none'; document.getElementById('1701.06306v2-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 April, 2017; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 23 January, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2017. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> 2017 JINST 12 P04021 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1605.03944">arXiv:1605.03944</a> <span> [<a href="https://arxiv.org/pdf/1605.03944">pdf</a>, <a href="https://arxiv.org/format/1605.03944">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1748-0221/11/06/P06017">10.1088/1748-0221/11/06/P06017 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Detection of low energy antimatter with emulsions </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Aghion%2C+S">S. Aghion</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">A. Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">T. Ariga</a>, <a href="/search/physics?searchtype=author&query=Bollani%2C+M">M. Bollani</a>, <a href="/search/physics?searchtype=author&query=Cas%2C+E+D">E. Dei Cas</a>, <a href="/search/physics?searchtype=author&query=Ereditato%2C+A">A. Ereditato</a>, <a href="/search/physics?searchtype=author&query=Evans%2C+C">C. Evans</a>, <a href="/search/physics?searchtype=author&query=Ferragut%2C+R">R. Ferragut</a>, <a href="/search/physics?searchtype=author&query=Giammarchi%2C+M">M. Giammarchi</a>, <a href="/search/physics?searchtype=author&query=Pistillo%2C+C">C. Pistillo</a>, <a href="/search/physics?searchtype=author&query=Rom%C3%A9%2C+M">M. Rom茅</a>, <a href="/search/physics?searchtype=author&query=Sala%2C+S">S. Sala</a>, <a href="/search/physics?searchtype=author&query=Scampoli%2C+P">P. Scampoli</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1605.03944v2-abstract-short" style="display: inline;"> Emulsion detectors feature a very high position resolution and consequently represent an ideal device when particle detection is required at the micrometric scale. This is the case of quantum interferometry studies with antimatter, where micrometric fringes have to be measured. In this framework, we designed and realized a new emulsion based detector characterized by a gel enriched in terms of sil… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1605.03944v2-abstract-full').style.display = 'inline'; document.getElementById('1605.03944v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1605.03944v2-abstract-full" style="display: none;"> Emulsion detectors feature a very high position resolution and consequently represent an ideal device when particle detection is required at the micrometric scale. This is the case of quantum interferometry studies with antimatter, where micrometric fringes have to be measured. In this framework, we designed and realized a new emulsion based detector characterized by a gel enriched in terms of silver bromide crystal contents poured on a glass plate. We tested the sensitivity of such a detector to low energy positrons in the range 10-20 keV. The obtained results prove that nuclear emulsions are highly efficient at detecting positrons at these energies. This achievement paves the way to perform matter-wave interferometry with positrons using this technology. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1605.03944v2-abstract-full').style.display = 'none'; document.getElementById('1605.03944v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 13 June, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 12 May, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">9 pages, 6 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/1601.05471">arXiv:1601.05471</a> <span> [<a href="https://arxiv.org/pdf/1601.05471">pdf</a>, <a href="https://arxiv.org/format/1601.05471">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"> Long-Baseline Neutrino Facility (LBNF) and Deep Underground Neutrino Experiment (DUNE) Conceptual Design Report Volume 1: The LBNF and DUNE Projects </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Acciarri%2C+R">R. Acciarri</a>, <a href="/search/physics?searchtype=author&query=Acero%2C+M+A">M. A. Acero</a>, <a href="/search/physics?searchtype=author&query=Adamowski%2C+M">M. Adamowski</a>, <a href="/search/physics?searchtype=author&query=Adams%2C+C">C. Adams</a>, <a href="/search/physics?searchtype=author&query=Adamson%2C+P">P. Adamson</a>, <a href="/search/physics?searchtype=author&query=Adhikari%2C+S">S. Adhikari</a>, <a href="/search/physics?searchtype=author&query=Ahmad%2C+Z">Z. Ahmad</a>, <a href="/search/physics?searchtype=author&query=Albright%2C+C+H">C. H. Albright</a>, <a href="/search/physics?searchtype=author&query=Alion%2C+T">T. Alion</a>, <a href="/search/physics?searchtype=author&query=Amador%2C+E">E. Amador</a>, <a href="/search/physics?searchtype=author&query=Anderson%2C+J">J. Anderson</a>, <a href="/search/physics?searchtype=author&query=Anderson%2C+K">K. Anderson</a>, <a href="/search/physics?searchtype=author&query=Andreopoulos%2C+C">C. Andreopoulos</a>, <a href="/search/physics?searchtype=author&query=Andrews%2C+M">M. Andrews</a>, <a href="/search/physics?searchtype=author&query=Andrews%2C+R">R. Andrews</a>, <a href="/search/physics?searchtype=author&query=Anghel%2C+I">I. Anghel</a>, <a href="/search/physics?searchtype=author&query=Anjos%2C+J+d">J. d. Anjos</a>, <a href="/search/physics?searchtype=author&query=Ankowski%2C+A">A. Ankowski</a>, <a href="/search/physics?searchtype=author&query=Antonello%2C+M">M. Antonello</a>, <a href="/search/physics?searchtype=author&query=ArandaFernandez%2C+A">A. ArandaFernandez</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">A. Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">T. Ariga</a>, <a href="/search/physics?searchtype=author&query=Aristizabal%2C+D">D. Aristizabal</a>, <a href="/search/physics?searchtype=author&query=Arrieta-Diaz%2C+E">E. Arrieta-Diaz</a>, <a href="/search/physics?searchtype=author&query=Aryal%2C+K">K. Aryal</a> , et al. (780 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="1601.05471v1-abstract-short" style="display: inline;"> This document presents the Conceptual Design Report (CDR) put forward by an international neutrino community to pursue the Deep Underground Neutrino Experiment at the Long-Baseline Neutrino Facility (LBNF/DUNE), a groundbreaking science experiment for long-baseline neutrino oscillation studies and for neutrino astrophysics and nucleon decay searches. The DUNE far detector will be a very large modu… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1601.05471v1-abstract-full').style.display = 'inline'; document.getElementById('1601.05471v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1601.05471v1-abstract-full" style="display: none;"> This document presents the Conceptual Design Report (CDR) put forward by an international neutrino community to pursue the Deep Underground Neutrino Experiment at the Long-Baseline Neutrino Facility (LBNF/DUNE), a groundbreaking science experiment for long-baseline neutrino oscillation studies and for neutrino astrophysics and nucleon decay searches. The DUNE far detector will be a very large modular liquid argon time-projection chamber (LArTPC) located deep underground, coupled to the LBNF multi-megawatt wide-band neutrino beam. DUNE will also have a high-resolution and high-precision near detector. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1601.05471v1-abstract-full').style.display = 'none'; document.getElementById('1601.05471v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 20 January, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2016. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1601.02984">arXiv:1601.02984</a> <span> [<a href="https://arxiv.org/pdf/1601.02984">pdf</a>, <a href="https://arxiv.org/format/1601.02984">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"> Long-Baseline Neutrino Facility (LBNF) and Deep Underground Neutrino Experiment (DUNE) Conceptual Design Report, Volume 4 The DUNE Detectors at LBNF </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Acciarri%2C+R">R. Acciarri</a>, <a href="/search/physics?searchtype=author&query=Acero%2C+M+A">M. A. Acero</a>, <a href="/search/physics?searchtype=author&query=Adamowski%2C+M">M. Adamowski</a>, <a href="/search/physics?searchtype=author&query=Adams%2C+C">C. Adams</a>, <a href="/search/physics?searchtype=author&query=Adamson%2C+P">P. Adamson</a>, <a href="/search/physics?searchtype=author&query=Adhikari%2C+S">S. Adhikari</a>, <a href="/search/physics?searchtype=author&query=Ahmad%2C+Z">Z. Ahmad</a>, <a href="/search/physics?searchtype=author&query=Albright%2C+C+H">C. H. Albright</a>, <a href="/search/physics?searchtype=author&query=Alion%2C+T">T. Alion</a>, <a href="/search/physics?searchtype=author&query=Amador%2C+E">E. Amador</a>, <a href="/search/physics?searchtype=author&query=Anderson%2C+J">J. Anderson</a>, <a href="/search/physics?searchtype=author&query=Anderson%2C+K">K. Anderson</a>, <a href="/search/physics?searchtype=author&query=Andreopoulos%2C+C">C. Andreopoulos</a>, <a href="/search/physics?searchtype=author&query=Andrews%2C+M">M. Andrews</a>, <a href="/search/physics?searchtype=author&query=Andrews%2C+R">R. Andrews</a>, <a href="/search/physics?searchtype=author&query=Anghel%2C+I">I. Anghel</a>, <a href="/search/physics?searchtype=author&query=Anjos%2C+J+d">J. d. Anjos</a>, <a href="/search/physics?searchtype=author&query=Ankowski%2C+A">A. Ankowski</a>, <a href="/search/physics?searchtype=author&query=Antonello%2C+M">M. Antonello</a>, <a href="/search/physics?searchtype=author&query=ArandaFernandez%2C+A">A. ArandaFernandez</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">A. Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">T. Ariga</a>, <a href="/search/physics?searchtype=author&query=Aristizabal%2C+D">D. Aristizabal</a>, <a href="/search/physics?searchtype=author&query=Arrieta-Diaz%2C+E">E. Arrieta-Diaz</a>, <a href="/search/physics?searchtype=author&query=Aryal%2C+K">K. Aryal</a> , et al. (779 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="1601.02984v1-abstract-short" style="display: inline;"> A description of the proposed detector(s) for DUNE at LBNF </span> <span class="abstract-full has-text-grey-dark mathjax" id="1601.02984v1-abstract-full" style="display: none;"> A description of the proposed detector(s) for DUNE at LBNF <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1601.02984v1-abstract-full').style.display = 'none'; document.getElementById('1601.02984v1-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 January, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2016. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1512.06148">arXiv:1512.06148</a> <span> [<a href="https://arxiv.org/pdf/1512.06148">pdf</a>, <a href="https://arxiv.org/format/1512.06148">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"> Long-Baseline Neutrino Facility (LBNF) and Deep Underground Neutrino Experiment (DUNE) Conceptual Design Report Volume 2: The Physics Program for DUNE at LBNF </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=DUNE+Collaboration"> DUNE Collaboration</a>, <a href="/search/physics?searchtype=author&query=Acciarri%2C+R">R. Acciarri</a>, <a href="/search/physics?searchtype=author&query=Acero%2C+M+A">M. A. Acero</a>, <a href="/search/physics?searchtype=author&query=Adamowski%2C+M">M. Adamowski</a>, <a href="/search/physics?searchtype=author&query=Adams%2C+C">C. Adams</a>, <a href="/search/physics?searchtype=author&query=Adamson%2C+P">P. Adamson</a>, <a href="/search/physics?searchtype=author&query=Adhikari%2C+S">S. Adhikari</a>, <a href="/search/physics?searchtype=author&query=Ahmad%2C+Z">Z. Ahmad</a>, <a href="/search/physics?searchtype=author&query=Albright%2C+C+H">C. H. Albright</a>, <a href="/search/physics?searchtype=author&query=Alion%2C+T">T. Alion</a>, <a href="/search/physics?searchtype=author&query=Amador%2C+E">E. Amador</a>, <a href="/search/physics?searchtype=author&query=Anderson%2C+J">J. Anderson</a>, <a href="/search/physics?searchtype=author&query=Anderson%2C+K">K. Anderson</a>, <a href="/search/physics?searchtype=author&query=Andreopoulos%2C+C">C. Andreopoulos</a>, <a href="/search/physics?searchtype=author&query=Andrews%2C+M">M. Andrews</a>, <a href="/search/physics?searchtype=author&query=Andrews%2C+R">R. Andrews</a>, <a href="/search/physics?searchtype=author&query=Anghel%2C+I">I. Anghel</a>, <a href="/search/physics?searchtype=author&query=Anjos%2C+J+d">J. d. Anjos</a>, <a href="/search/physics?searchtype=author&query=Ankowski%2C+A">A. Ankowski</a>, <a href="/search/physics?searchtype=author&query=Antonello%2C+M">M. Antonello</a>, <a href="/search/physics?searchtype=author&query=ArandaFernandez%2C+A">A. ArandaFernandez</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">A. Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">T. Ariga</a>, <a href="/search/physics?searchtype=author&query=Aristizabal%2C+D">D. Aristizabal</a>, <a href="/search/physics?searchtype=author&query=Arrieta-Diaz%2C+E">E. Arrieta-Diaz</a> , et al. (780 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="1512.06148v2-abstract-short" style="display: inline;"> The Physics Program for the Deep Underground Neutrino Experiment (DUNE) at the Fermilab Long-Baseline Neutrino Facility (LBNF) is described. </span> <span class="abstract-full has-text-grey-dark mathjax" id="1512.06148v2-abstract-full" style="display: none;"> The Physics Program for the Deep Underground Neutrino Experiment (DUNE) at the Fermilab Long-Baseline Neutrino Facility (LBNF) is described. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1512.06148v2-abstract-full').style.display = 'none'; document.getElementById('1512.06148v2-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, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 18 December, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2015. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1512.01339">arXiv:1512.01339</a> <span> [<a href="https://arxiv.org/pdf/1512.01339">pdf</a>, <a href="https://arxiv.org/format/1512.01339">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/10.1088/1748-0221/11/03/P03003">10.1088/1748-0221/11/03/P03003 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Extra-large crystal emulsion detectors for future large-scale experiments </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Ariga%2C+T">T. Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">A. Ariga</a>, <a href="/search/physics?searchtype=author&query=Kuwabara%2C+K">K. Kuwabara</a>, <a href="/search/physics?searchtype=author&query=Morishima%2C+K">K. Morishima</a>, <a href="/search/physics?searchtype=author&query=Moto%2C+M">M. Moto</a>, <a href="/search/physics?searchtype=author&query=Nishio%2C+A">A. Nishio</a>, <a href="/search/physics?searchtype=author&query=Scampoli%2C+P">P. Scampoli</a>, <a href="/search/physics?searchtype=author&query=Vladymyrov%2C+M">M. Vladymyrov</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1512.01339v2-abstract-short" style="display: inline;"> Photographic emulsion is a particle tracking device which features the best spatial resolution among particle detectors. For certain applications, for example muon radiography, large-scale detectors are required. Therefore, a huge surface has to be analyzed by means of automated optical microscopes. An improvement of the readout speed is then a crucial point to make these applications possible and… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1512.01339v2-abstract-full').style.display = 'inline'; document.getElementById('1512.01339v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1512.01339v2-abstract-full" style="display: none;"> Photographic emulsion is a particle tracking device which features the best spatial resolution among particle detectors. For certain applications, for example muon radiography, large-scale detectors are required. Therefore, a huge surface has to be analyzed by means of automated optical microscopes. An improvement of the readout speed is then a crucial point to make these applications possible and the availability of a new type of photographic emulsions featuring crystals of larger size is a way to pursue this program. This would allow a lower magnification for the microscopes, a consequent larger field of view resulting in a faster data analysis. In this framework, we developed new kinds of emulsion detectors with a crystal size of 600-1000 nm, namely 3-5 times larger than conventional ones, allowing a 25 times faster data readout. The new photographic emulsions have shown a sufficient sensitivity and a good signal to noise ratio. The proposed development opens the way to future large-scale applications of the technology, e.g. 3D imaging of glacier bedrocks or future neutrino experiments. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1512.01339v2-abstract-full').style.display = 'none'; document.getElementById('1512.01339v2-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 February, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 4 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">Version accepted for publication in JINST</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> JINST 11 (2016) P03003 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1412.4673">arXiv:1412.4673</a> <span> [<a href="https://arxiv.org/pdf/1412.4673">pdf</a>, <a href="https://arxiv.org/format/1412.4673">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> <p class="title is-5 mathjax"> A Long Baseline Neutrino Oscillation Experiment Using J-PARC Neutrino Beam and Hyper-Kamiokande </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Group%2C+H+W">Hyper-Kamiokande Working Group</a>, <a href="/search/physics?searchtype=author&query=%3A"> :</a>, <a href="/search/physics?searchtype=author&query=Abe%2C+K">K. Abe</a>, <a href="/search/physics?searchtype=author&query=Aihara%2C+H">H. Aihara</a>, <a href="/search/physics?searchtype=author&query=Andreopoulos%2C+C">C. Andreopoulos</a>, <a href="/search/physics?searchtype=author&query=Anghel%2C+I">I. Anghel</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">A. Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">T. Ariga</a>, <a href="/search/physics?searchtype=author&query=Asfandiyarov%2C+R">R. Asfandiyarov</a>, <a href="/search/physics?searchtype=author&query=Askins%2C+M">M. Askins</a>, <a href="/search/physics?searchtype=author&query=Back%2C+J+J">J. J. Back</a>, <a href="/search/physics?searchtype=author&query=Ballett%2C+P">P. Ballett</a>, <a href="/search/physics?searchtype=author&query=Barbi%2C+M">M. Barbi</a>, <a href="/search/physics?searchtype=author&query=Barker%2C+G+J">G. J. Barker</a>, <a href="/search/physics?searchtype=author&query=Barr%2C+G">G. Barr</a>, <a href="/search/physics?searchtype=author&query=Bay%2C+F">F. Bay</a>, <a href="/search/physics?searchtype=author&query=Beltrame%2C+P">P. Beltrame</a>, <a href="/search/physics?searchtype=author&query=Berardi%2C+V">V. Berardi</a>, <a href="/search/physics?searchtype=author&query=Bergevin%2C+M">M. Bergevin</a>, <a href="/search/physics?searchtype=author&query=Berkman%2C+S">S. Berkman</a>, <a href="/search/physics?searchtype=author&query=Berry%2C+T">T. Berry</a>, <a href="/search/physics?searchtype=author&query=Bhadra%2C+S">S. Bhadra</a>, <a href="/search/physics?searchtype=author&query=Blaszczyk%2C+F+d+M">F. d. M. Blaszczyk</a>, <a href="/search/physics?searchtype=author&query=Blondel%2C+A">A. Blondel</a>, <a href="/search/physics?searchtype=author&query=Bolognesi%2C+S">S. Bolognesi</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="1412.4673v2-abstract-short" style="display: inline;"> Hyper-Kamiokande will be a next generation underground water Cherenkov detector with a total (fiducial) mass of 0.99 (0.56) million metric tons, approximately 20 (25) times larger than that of Super-Kamiokande. One of the main goals of Hyper-Kamiokande is the study of $CP$ asymmetry in the lepton sector using accelerator neutrino and anti-neutrino beams. In this document, the physics potential o… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1412.4673v2-abstract-full').style.display = 'inline'; document.getElementById('1412.4673v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1412.4673v2-abstract-full" style="display: none;"> Hyper-Kamiokande will be a next generation underground water Cherenkov detector with a total (fiducial) mass of 0.99 (0.56) million metric tons, approximately 20 (25) times larger than that of Super-Kamiokande. One of the main goals of Hyper-Kamiokande is the study of $CP$ asymmetry in the lepton sector using accelerator neutrino and anti-neutrino beams. In this document, the physics potential of a long baseline neutrino experiment using the Hyper-Kamiokande detector and a neutrino beam from the J-PARC proton synchrotron is presented. The analysis has been updated from the previous Letter of Intent [K. Abe et al., arXiv:1109.3262 [hep-ex]], based on the experience gained from the ongoing T2K experiment. With a total exposure of 7.5 MW $\times$ 10$^7$ sec integrated proton beam power (corresponding to $1.56\times10^{22}$ protons on target with a 30 GeV proton beam) to a $2.5$-degree off-axis neutrino beam produced by the J-PARC proton synchrotron, it is expected that the $CP$ phase $未_{CP}$ can be determined to better than 19 degrees for all possible values of $未_{CP}$, and $CP$ violation can be established with a statistical significance of more than $3\,蟽$ ($5\,蟽$) for $76%$ ($58%$) of the $未_{CP}$ parameter space. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1412.4673v2-abstract-full').style.display = 'none'; document.getElementById('1412.4673v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 18 January, 2015; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 15 December, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 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">Document submitted to 18th J-PARC PAC meeting in May 2014. 50 pages, 41 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/1412.0194">arXiv:1412.0194</a> <span> [<a href="https://arxiv.org/pdf/1412.0194">pdf</a>, <a href="https://arxiv.org/format/1412.0194">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="Accelerator Physics">physics.acc-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1093/ptep/ptv054">10.1093/ptep/ptv054 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of the muon beam direction and muon flux for the T2K neutrino experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Suzuki%2C+K">K. Suzuki</a>, <a href="/search/physics?searchtype=author&query=Aoki%2C+S">S. Aoki</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">A. Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">T. Ariga</a>, <a href="/search/physics?searchtype=author&query=Bay%2C+F">F. Bay</a>, <a href="/search/physics?searchtype=author&query=Bronner%2C+C">C. Bronner</a>, <a href="/search/physics?searchtype=author&query=Ereditato%2C+A">A. Ereditato</a>, <a href="/search/physics?searchtype=author&query=Friend%2C+M">M. Friend</a>, <a href="/search/physics?searchtype=author&query=Hartz%2C+M">M. Hartz</a>, <a href="/search/physics?searchtype=author&query=Hiraki%2C+T">T. Hiraki</a>, <a href="/search/physics?searchtype=author&query=Ichikawa%2C+A+K">A. K. Ichikawa</a>, <a href="/search/physics?searchtype=author&query=Ishida%2C+T">T. Ishida</a>, <a href="/search/physics?searchtype=author&query=Ishii%2C+T">T. Ishii</a>, <a href="/search/physics?searchtype=author&query=Juget%2C+F">F. Juget</a>, <a href="/search/physics?searchtype=author&query=Kikawa%2C+T">T. Kikawa</a>, <a href="/search/physics?searchtype=author&query=Kobayashi%2C+T">T. Kobayashi</a>, <a href="/search/physics?searchtype=author&query=Kubo%2C+H">H. Kubo</a>, <a href="/search/physics?searchtype=author&query=Matsuoka%2C+K">K. Matsuoka</a>, <a href="/search/physics?searchtype=author&query=Maruyama%2C+T">T. Maruyama</a>, <a href="/search/physics?searchtype=author&query=Minamino%2C+A">A. Minamino</a>, <a href="/search/physics?searchtype=author&query=Murakami%2C+A">A. Murakami</a>, <a href="/search/physics?searchtype=author&query=Nakadaira%2C+T">T. Nakadaira</a>, <a href="/search/physics?searchtype=author&query=Nakaya%2C+T">T. Nakaya</a>, <a href="/search/physics?searchtype=author&query=Nakayoshi%2C+K">K. Nakayoshi</a>, <a href="/search/physics?searchtype=author&query=Oyama%2C+Y">Y. Oyama</a> , et al. (8 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="1412.0194v1-abstract-short" style="display: inline;"> The Tokai-to-Kamioka (T2K) neutrino experiment measures neutrino oscillations by using an almost pure muon neutrino beam produced at the J-PARC accelerator facility. The T2K muon monitor was installed to measure the direction and stability of the muon beam which is produced together with the muon neutrino beam. The systematic error in the muon beam direction measurement was estimated, using data a… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1412.0194v1-abstract-full').style.display = 'inline'; document.getElementById('1412.0194v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1412.0194v1-abstract-full" style="display: none;"> The Tokai-to-Kamioka (T2K) neutrino experiment measures neutrino oscillations by using an almost pure muon neutrino beam produced at the J-PARC accelerator facility. The T2K muon monitor was installed to measure the direction and stability of the muon beam which is produced together with the muon neutrino beam. The systematic error in the muon beam direction measurement was estimated, using data and MC simulation, to be 0.28 mrad. During beam operation, the proton beam has been controlled using measurements from the muon monitor and the direction of the neutrino beam has been tuned to within 0.3 mrad with respect to the designed beam-axis. In order to understand the muon beam properties,measurement of the absolute muon yield at the muon monitor was conducted with an emulsion detector. The number of muon tracks was measured to be $(4.06\pm0.05)\times10^4$ cm$^{-2}$ normalized with $4\times10^{11}$ protons on target with 250 kA horn operation. The result is in agreement with the prediction which is corrected based on hadron production data. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1412.0194v1-abstract-full').style.display = 'none'; document.getElementById('1412.0194v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 30 November, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2014. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1404.5933">arXiv:1404.5933</a> <span> [<a href="https://arxiv.org/pdf/1404.5933">pdf</a>, <a href="https://arxiv.org/format/1404.5933">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"> Determination of the muon charge sign with the dipolar spectrometers of the OPERA experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=OPERA+Collaboration"> OPERA Collaboration</a>, <a href="/search/physics?searchtype=author&query=Agafonova%2C+N">N. Agafonova</a>, <a href="/search/physics?searchtype=author&query=Aleksandrov%2C+A">A. Aleksandrov</a>, <a href="/search/physics?searchtype=author&query=Anokhina%2C+A">A. Anokhina</a>, <a href="/search/physics?searchtype=author&query=Aoki%2C+S">S. Aoki</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">A. Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">T. Ariga</a>, <a href="/search/physics?searchtype=author&query=Bender%2C+D">D. Bender</a>, <a href="/search/physics?searchtype=author&query=Bertolin%2C+A">A. Bertolin</a>, <a href="/search/physics?searchtype=author&query=Bozza%2C+C">C. Bozza</a>, <a href="/search/physics?searchtype=author&query=Brugnera%2C+R">R. Brugnera</a>, <a href="/search/physics?searchtype=author&query=Buonaura%2C+A">A. Buonaura</a>, <a href="/search/physics?searchtype=author&query=Buontempo%2C+S">S. Buontempo</a>, <a href="/search/physics?searchtype=author&query=B%C3%BCttner%2C+B">B. B眉ttner</a>, <a href="/search/physics?searchtype=author&query=Chernyavsky%2C+M">M. Chernyavsky</a>, <a href="/search/physics?searchtype=author&query=Chukanov%2C+A">A. Chukanov</a>, <a href="/search/physics?searchtype=author&query=Consiglio%2C+L">L. Consiglio</a>, <a href="/search/physics?searchtype=author&query=D%27Ambrosio%2C+N">N. D'Ambrosio</a>, <a href="/search/physics?searchtype=author&query=De+Lellis%2C+G">G. De Lellis</a>, <a href="/search/physics?searchtype=author&query=De+Serio%2C+M">M. De Serio</a>, <a href="/search/physics?searchtype=author&query=Sanchez%2C+P+D+A">P. Del Amo Sanchez</a>, <a href="/search/physics?searchtype=author&query=Di+Crescenzo%2C+A">A. Di Crescenzo</a>, <a href="/search/physics?searchtype=author&query=Di+Ferdinando%2C+D">D. Di Ferdinando</a>, <a href="/search/physics?searchtype=author&query=Di+Marco%2C+N">N. Di Marco</a>, <a href="/search/physics?searchtype=author&query=Dmitrievski%2C+S">S. Dmitrievski</a> , et al. (119 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1404.5933v3-abstract-short" style="display: inline;"> The OPERA long-baseline neutrino-oscillation experiment has observed the direct appearance of $谓_蟿$ in the CNGS $谓_渭$ beam. Two large muon magnetic spectrometers are used to identify muons produced in the $蟿$ leptonic decay and in $谓_渭^{CC}$ interactions by measuring their charge and momentum. Besides the kinematic analysis of the $蟿$ decays, background resulting from the decay of charmed particle… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1404.5933v3-abstract-full').style.display = 'inline'; document.getElementById('1404.5933v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1404.5933v3-abstract-full" style="display: none;"> The OPERA long-baseline neutrino-oscillation experiment has observed the direct appearance of $谓_蟿$ in the CNGS $谓_渭$ beam. Two large muon magnetic spectrometers are used to identify muons produced in the $蟿$ leptonic decay and in $谓_渭^{CC}$ interactions by measuring their charge and momentum. Besides the kinematic analysis of the $蟿$ decays, background resulting from the decay of charmed particles produced in $谓_渭^{CC}$ interactions is reduced by efficiently identifying the muon track. A new method for the charge sign determination has been applied, via a weighted angular matching of the straight track-segments reconstructed in the different parts of the dipole magnets. Results obtained for Monte Carlo and real data are presented. Comparison with a method where no matching is used shows a significant reduction of up to 40\% of the fraction of wrongly determined charges. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1404.5933v3-abstract-full').style.display = 'none'; document.getElementById('1404.5933v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 29 April, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 23 April, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 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">10 pages. Improvements in the text</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1401.2079">arXiv:1401.2079</a> <span> [<a href="https://arxiv.org/pdf/1401.2079">pdf</a>, <a href="https://arxiv.org/format/1401.2079">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.89.051102">10.1103/PhysRevD.89.051102 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Evidence for $谓_渭\to 谓_蟿$ appearance in the CNGS neutrino beam with the OPERA experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Agafonova%2C+N">N. Agafonova</a>, <a href="/search/physics?searchtype=author&query=Aleksandrov%2C+A">A. Aleksandrov</a>, <a href="/search/physics?searchtype=author&query=Anokhina%2C+A">A. Anokhina</a>, <a href="/search/physics?searchtype=author&query=Aoki%2C+S">S. Aoki</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">A. Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">T. Ariga</a>, <a href="/search/physics?searchtype=author&query=Asada%2C+T">T. Asada</a>, <a href="/search/physics?searchtype=author&query=Autiero%2C+D">D. Autiero</a>, <a href="/search/physics?searchtype=author&query=Dhahbi%2C+A+B">A. Ben Dhahbi</a>, <a href="/search/physics?searchtype=author&query=Badertscher%2C+A">A. Badertscher</a>, <a href="/search/physics?searchtype=author&query=Bender%2C+D">D. Bender</a>, <a href="/search/physics?searchtype=author&query=Bertolin%2C+A">A. Bertolin</a>, <a href="/search/physics?searchtype=author&query=Bozza%2C+C">C. Bozza</a>, <a href="/search/physics?searchtype=author&query=Brugnera%2C+R">R. Brugnera</a>, <a href="/search/physics?searchtype=author&query=Brunet%2C+F">F. Brunet</a>, <a href="/search/physics?searchtype=author&query=Brunetti%2C+G">G. Brunetti</a>, <a href="/search/physics?searchtype=author&query=Buonaura%2C+A">A. Buonaura</a>, <a href="/search/physics?searchtype=author&query=Buontempo%2C+S">S. Buontempo</a>, <a href="/search/physics?searchtype=author&query=Buettner%2C+B">B. Buettner</a>, <a href="/search/physics?searchtype=author&query=Chaussard%2C+L">L. Chaussard</a>, <a href="/search/physics?searchtype=author&query=Chernyavsky%2C+M">M. Chernyavsky</a>, <a href="/search/physics?searchtype=author&query=Chiarella%2C+V">V. Chiarella</a>, <a href="/search/physics?searchtype=author&query=Chukanov%2C+A">A. Chukanov</a>, <a href="/search/physics?searchtype=author&query=Consiglio%2C+L">L. Consiglio</a>, <a href="/search/physics?searchtype=author&query=D%27Ambrosio%2C+N">N. D'Ambrosio</a> , et al. (146 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1401.2079v1-abstract-short" style="display: inline;"> The OPERA experiment is designed to search for $谓_渭 \rightarrow 谓_蟿$ oscillations in appearance mode i.e. through the direct observation of the $蟿$ lepton in $谓_蟿$ charged current interactions. The experiment has taken data for five years, since 2008, with the CERN Neutrino to Gran Sasso beam. Previously, two $谓_蟿$ candidates with a $蟿$ decaying into hadrons were observed in a sub-sample of data o… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1401.2079v1-abstract-full').style.display = 'inline'; document.getElementById('1401.2079v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1401.2079v1-abstract-full" style="display: none;"> The OPERA experiment is designed to search for $谓_渭 \rightarrow 谓_蟿$ oscillations in appearance mode i.e. through the direct observation of the $蟿$ lepton in $谓_蟿$ charged current interactions. The experiment has taken data for five years, since 2008, with the CERN Neutrino to Gran Sasso beam. Previously, two $谓_蟿$ candidates with a $蟿$ decaying into hadrons were observed in a sub-sample of data of the 2008-2011 runs. Here we report the observation of a third $谓_蟿$ candidate in the $蟿^-\to渭^-$ decay channel coming from the analysis of a sub-sample of the 2012 run. Taking into account the estimated background, the absence of $谓_渭 \rightarrow 谓_蟿$ oscillations is excluded at the 3.4 $蟽$ level. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1401.2079v1-abstract-full').style.display = 'none'; document.getElementById('1401.2079v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 9 January, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2014. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">9 pages, 5 figures, 1 tables</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 89, 051102 (2014) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1311.5334">arXiv:1311.5334</a> <span> [<a href="https://arxiv.org/pdf/1311.5334">pdf</a>, <a href="https://arxiv.org/ps/1311.5334">ps</a>, <a href="https://arxiv.org/format/1311.5334">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="Data Analysis, Statistics and Probability">physics.data-an</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/10.1088/1748-0221/9/04/P04002">10.1088/1748-0221/9/04/P04002 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Fast 4$蟺$ track reconstruction in nuclear emulsion detectors based on GPU technology </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Ariga%2C+A">A. Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">T. Ariga</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1311.5334v2-abstract-short" style="display: inline;"> Fast 4$蟺$ solid angle particle track recognition has been a challenge in particle physics for a long time, especially in using nuclear emulsion detectors. The recent advances in computing technology opened the way for its realization. A fast 4$蟺$ solid angle particle track reconstruction based on GPU technology combined with a multithread programming is reported here with a detailed comparison bet… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1311.5334v2-abstract-full').style.display = 'inline'; document.getElementById('1311.5334v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1311.5334v2-abstract-full" style="display: none;"> Fast 4$蟺$ solid angle particle track recognition has been a challenge in particle physics for a long time, especially in using nuclear emulsion detectors. The recent advances in computing technology opened the way for its realization. A fast 4$蟺$ solid angle particle track reconstruction based on GPU technology combined with a multithread programming is reported here with a detailed comparison between GPU-based and CPU-based programming. A 60 times faster processing of 3D emulsion detector data, corresponding to processing of 15 cm$^2$ emulsion surface scanned per hour, has been achieved by GPUs with an excellent tracking performance. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1311.5334v2-abstract-full').style.display = 'none'; document.getElementById('1311.5334v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 21 March, 2014; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 21 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">11 pages</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1308.2553">arXiv:1308.2553</a> <span> [<a href="https://arxiv.org/pdf/1308.2553">pdf</a>, <a href="https://arxiv.org/format/1308.2553">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"> New results on $谓_渭\to 谓_蟿$ appearance with the OPERA experiment in the CNGS beam </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=OPERA+Collaboration"> OPERA Collaboration</a>, <a href="/search/physics?searchtype=author&query=Agafonova%2C+N">N. Agafonova</a>, <a href="/search/physics?searchtype=author&query=Aleksandrov%2C+A">A. Aleksandrov</a>, <a href="/search/physics?searchtype=author&query=Anokhina%2C+A">A. Anokhina</a>, <a href="/search/physics?searchtype=author&query=Aoki%2C+S">S. Aoki</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">A. Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">T. Ariga</a>, <a href="/search/physics?searchtype=author&query=Asada%2C+T">T. Asada</a>, <a href="/search/physics?searchtype=author&query=Autiero%2C+D">D. Autiero</a>, <a href="/search/physics?searchtype=author&query=Badertscher%2C+A">A. Badertscher</a>, <a href="/search/physics?searchtype=author&query=Dhahbi%2C+A+B">A. Ben Dhahbi</a>, <a href="/search/physics?searchtype=author&query=Bender%2C+D">D. Bender</a>, <a href="/search/physics?searchtype=author&query=Bertolin%2C+A">A. Bertolin</a>, <a href="/search/physics?searchtype=author&query=Bozza%2C+C">C. Bozza</a>, <a href="/search/physics?searchtype=author&query=Brugnera%2C+R">R. Brugnera</a>, <a href="/search/physics?searchtype=author&query=Brunetti%2C+G">G. Brunetti</a>, <a href="/search/physics?searchtype=author&query=Buettner%2C+B">B. Buettner</a>, <a href="/search/physics?searchtype=author&query=Buontempo%2C+S">S. Buontempo</a>, <a href="/search/physics?searchtype=author&query=Chaussard%2C+L">L. Chaussard</a>, <a href="/search/physics?searchtype=author&query=Chernyavskiy%2C+M">M. Chernyavskiy</a>, <a href="/search/physics?searchtype=author&query=Chiarella%2C+V">V. Chiarella</a>, <a href="/search/physics?searchtype=author&query=Chukanov%2C+A">A. Chukanov</a>, <a href="/search/physics?searchtype=author&query=Consiglio%2C+L">L. Consiglio</a>, <a href="/search/physics?searchtype=author&query=D%27Ambrosio%2C+N">N. D'Ambrosio</a>, <a href="/search/physics?searchtype=author&query=Sanchez%2C+P+D+A">P. Del Amo Sanchez</a> , et al. (145 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1308.2553v1-abstract-short" style="display: inline;"> The OPERA neutrino experiment is designed to perform the first observation of neutrino oscillations in direct appearance mode in the $谓_渭\to 谓_蟿$ channel, via the detection of the $蟿$-leptons created in charged current $谓_蟿$ interactions. The detector, located in the underground Gran Sasso Laboratory, consists of an emulsion/lead target with an average mass of about 1.2 kt, complemented by electro… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1308.2553v1-abstract-full').style.display = 'inline'; document.getElementById('1308.2553v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1308.2553v1-abstract-full" style="display: none;"> The OPERA neutrino experiment is designed to perform the first observation of neutrino oscillations in direct appearance mode in the $谓_渭\to 谓_蟿$ channel, via the detection of the $蟿$-leptons created in charged current $谓_蟿$ interactions. The detector, located in the underground Gran Sasso Laboratory, consists of an emulsion/lead target with an average mass of about 1.2 kt, complemented by electronic detectors. It is exposed to the CERN Neutrinos to Gran Sasso beam, with a baseline of 730 km and a mean energy of 17 GeV. The observation of the first $谓_蟿$ candidate event and the analysis of the 2008-2009 neutrino sample have been reported in previous publications. This work describes substantial improvements in the analysis and in the evaluation of the detection efficiencies and backgrounds using new simulation tools. The analysis is extended to a sub-sample of 2010 and 2011 data, resulting from an electronic detector-based pre-selection, in which an additional $谓_蟿$ candidate has been observed. The significance of the two events in terms of a $谓_渭\to 谓_蟿$ oscillation signal is of 2.40 $蟽$. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1308.2553v1-abstract-full').style.display = 'none'; document.getElementById('1308.2553v1-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 August, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 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">33 pages, 12 figures, 5 tables. Prepared for submission to JHEP</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1306.5602">arXiv:1306.5602</a> <span> [<a href="https://arxiv.org/pdf/1306.5602">pdf</a>, <a href="https://arxiv.org/format/1306.5602">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/10.1088/1748-0221/8/08/P08013">10.1088/1748-0221/8/08/P08013 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Prospects for measuring the gravitational free-fall of antihydrogen with emulsion detectors </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=AEgIS+Collaboration"> AEgIS Collaboration</a>, <a href="/search/physics?searchtype=author&query=Aghion%2C+S">S. Aghion</a>, <a href="/search/physics?searchtype=author&query=Ahl%C3%A9n%2C+O">O. Ahl茅n</a>, <a href="/search/physics?searchtype=author&query=Amsler%2C+C">C. Amsler</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">A. Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">T. Ariga</a>, <a href="/search/physics?searchtype=author&query=Belov%2C+A+S">A. S. Belov</a>, <a href="/search/physics?searchtype=author&query=Bonomi%2C+G">G. Bonomi</a>, <a href="/search/physics?searchtype=author&query=Br%C3%A4unig%2C+P">P. Br盲unig</a>, <a href="/search/physics?searchtype=author&query=Bremer%2C+J">J. Bremer</a>, <a href="/search/physics?searchtype=author&query=Brusa%2C+R+S">R. S. Brusa</a>, <a href="/search/physics?searchtype=author&query=Cabaret%2C+L">L. Cabaret</a>, <a href="/search/physics?searchtype=author&query=Canali%2C+C">C. Canali</a>, <a href="/search/physics?searchtype=author&query=Caravita%2C+R">R. Caravita</a>, <a href="/search/physics?searchtype=author&query=Castelli%2C+F">F. Castelli</a>, <a href="/search/physics?searchtype=author&query=Cerchiari%2C+G">G. Cerchiari</a>, <a href="/search/physics?searchtype=author&query=Cialdi%2C+S">S. Cialdi</a>, <a href="/search/physics?searchtype=author&query=Comparat%2C+D">D. Comparat</a>, <a href="/search/physics?searchtype=author&query=Consolati%2C+G">G. Consolati</a>, <a href="/search/physics?searchtype=author&query=Derking%2C+J+H">J. H. Derking</a>, <a href="/search/physics?searchtype=author&query=Di+Domizio%2C+S">S. Di Domizio</a>, <a href="/search/physics?searchtype=author&query=Di+Noto%2C+L">L. Di Noto</a>, <a href="/search/physics?searchtype=author&query=Doser%2C+M">M. Doser</a>, <a href="/search/physics?searchtype=author&query=Dudarev%2C+A">A. Dudarev</a>, <a href="/search/physics?searchtype=author&query=Ereditato%2C+A">A. Ereditato</a> , et al. (46 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="1306.5602v1-abstract-short" style="display: inline;"> The main goal of the AEgIS experiment at CERN is to test the weak equivalence principle for antimatter. AEgIS will measure the free-fall of an antihydrogen beam traversing a moir茅 deflectometer. The goal is to determine the gravitational acceleration g for antihydrogen with an initial relative accuracy of 1% by using an emulsion detector combined with a silicon micro-strip detector to measure the… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1306.5602v1-abstract-full').style.display = 'inline'; document.getElementById('1306.5602v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1306.5602v1-abstract-full" style="display: none;"> The main goal of the AEgIS experiment at CERN is to test the weak equivalence principle for antimatter. AEgIS will measure the free-fall of an antihydrogen beam traversing a moir茅 deflectometer. The goal is to determine the gravitational acceleration g for antihydrogen with an initial relative accuracy of 1% by using an emulsion detector combined with a silicon micro-strip detector to measure the time of flight. Nuclear emulsions can measure the annihilation vertex of antihydrogen atoms with a precision of about 1 - 2 microns r.m.s. We present here results for emulsion detectors operated in vacuum using low energy antiprotons from the CERN antiproton decelerator. We compare with Monte Carlo simulations, and discuss the impact on the AEgIS project. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1306.5602v1-abstract-full').style.display = 'none'; document.getElementById('1306.5602v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 24 June, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2013. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">20 pages, 16 figures, 3 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/1212.1276">arXiv:1212.1276</a> <span> [<a href="https://arxiv.org/pdf/1212.1276">pdf</a>, <a href="https://arxiv.org/ps/1212.1276">ps</a>, <a href="https://arxiv.org/format/1212.1276">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1007/JHEP01(2013)153">10.1007/JHEP01(2013)153 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of the neutrino velocity with the OPERA detector in the CNGS beam using the 2012 dedicated data </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=The+OPERA+Collaboration"> The OPERA Collaboration</a>, <a href="/search/physics?searchtype=author&query=Adam%2C+T">T. Adam</a>, <a href="/search/physics?searchtype=author&query=Agafonova%2C+N">N. Agafonova</a>, <a href="/search/physics?searchtype=author&query=Aleksandrov%2C+A">A. Aleksandrov</a>, <a href="/search/physics?searchtype=author&query=Anokhina%2C+A">A. Anokhina</a>, <a href="/search/physics?searchtype=author&query=Aoki%2C+S">S. Aoki</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">A. Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">T. Ariga</a>, <a href="/search/physics?searchtype=author&query=Autiero%2C+D">D. Autiero</a>, <a href="/search/physics?searchtype=author&query=Badertscher%2C+A">A. Badertscher</a>, <a href="/search/physics?searchtype=author&query=Dhahbi%2C+A+B">A. Ben Dhahbi</a>, <a href="/search/physics?searchtype=author&query=Beretta%2C+M">M. Beretta</a>, <a href="/search/physics?searchtype=author&query=Bertolin%2C+A">A. Bertolin</a>, <a href="/search/physics?searchtype=author&query=Bozza%2C+C">C. Bozza</a>, <a href="/search/physics?searchtype=author&query=Brugi%C3%A8re%2C+T">T. Brugi猫re</a>, <a href="/search/physics?searchtype=author&query=Brugnera%2C+R">R. Brugnera</a>, <a href="/search/physics?searchtype=author&query=Brunet%2C+F">F. Brunet</a>, <a href="/search/physics?searchtype=author&query=Brunetti%2C+G">G. Brunetti</a>, <a href="/search/physics?searchtype=author&query=Buettner%2C+B">B. Buettner</a>, <a href="/search/physics?searchtype=author&query=Buontempo%2C+S">S. Buontempo</a>, <a href="/search/physics?searchtype=author&query=Carlus%2C+B">B. Carlus</a>, <a href="/search/physics?searchtype=author&query=Cavanna%2C+F">F. Cavanna</a>, <a href="/search/physics?searchtype=author&query=Cazes%2C+A">A. Cazes</a>, <a href="/search/physics?searchtype=author&query=Chaussard%2C+L">L. Chaussard</a>, <a href="/search/physics?searchtype=author&query=Chernyavsky%2C+M">M. Chernyavsky</a> , et al. (146 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1212.1276v2-abstract-short" style="display: inline;"> In spring 2012 CERN provided two weeks of a short bunch proton beam dedicated to the neutrino velocity measurement over a distance of 730 km. The OPERA neutrino experiment at the underground Gran Sasso Laboratory used an upgraded setup compared to the 2011 measurements, improving the measurement time accuracy. An independent timing system based on the Resistive Plate Chambers was exploited providi… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1212.1276v2-abstract-full').style.display = 'inline'; document.getElementById('1212.1276v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1212.1276v2-abstract-full" style="display: none;"> In spring 2012 CERN provided two weeks of a short bunch proton beam dedicated to the neutrino velocity measurement over a distance of 730 km. The OPERA neutrino experiment at the underground Gran Sasso Laboratory used an upgraded setup compared to the 2011 measurements, improving the measurement time accuracy. An independent timing system based on the Resistive Plate Chambers was exploited providing a time accuracy of $\sim$1 ns. Neutrino and anti-neutrino contributions were separated using the information provided by the OPERA magnetic spectrometers. The new analysis profited from the precision geodesy measurements of the neutrino baseline and of the CNGS/LNGS clock synchronization. The neutrino arrival time with respect to the one computed assuming the speed of light in vacuum is found to be $未t_谓\equiv TOF_c - TOF_谓= (0.6 \pm 0.4\ (stat.) \pm 3.0\ (syst.))$ ns and $未t_{\bar谓} \equiv TOF_c - TOF_{\bar谓} = (1.7 \pm 1.4\ (stat.) \pm 3.1\ (syst.))$ ns for $谓_渭$ and $\bar谓_渭$, respectively. This corresponds to a limit on the muon neutrino velocity with respect to the speed of light of $-1.8 \times 10^{-6} < (v_谓-c)/c < 2.3 \times 10^{-6}$ at 90% C.L. This new measurement confirms with higher accuracy the revised OPERA result. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1212.1276v2-abstract-full').style.display = 'none'; document.getElementById('1212.1276v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 17 December, 2012; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 6 December, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2012. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">14 pages, 4 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/1211.1370">arXiv:1211.1370</a> <span> [<a href="https://arxiv.org/pdf/1211.1370">pdf</a>, <a href="https://arxiv.org/format/1211.1370">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/10.1088/1748-0221/8/02/P02015">10.1088/1748-0221/8/02/P02015 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> A new application of emulsions to measure the gravitational force on antihydrogen </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Amsler%2C+C">C. Amsler</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">A. Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">T. Ariga</a>, <a href="/search/physics?searchtype=author&query=Braccini%2C+S">S. Braccini</a>, <a href="/search/physics?searchtype=author&query=Canali%2C+C">C. Canali</a>, <a href="/search/physics?searchtype=author&query=Ereditato%2C+A">A. Ereditato</a>, <a href="/search/physics?searchtype=author&query=Kawada%2C+J">J. Kawada</a>, <a href="/search/physics?searchtype=author&query=Kimura%2C+M">M. Kimura</a>, <a href="/search/physics?searchtype=author&query=Kreslo%2C+I">I. Kreslo</a>, <a href="/search/physics?searchtype=author&query=Pistillo%2C+C">C. Pistillo</a>, <a href="/search/physics?searchtype=author&query=Scampoli%2C+P">P. Scampoli</a>, <a href="/search/physics?searchtype=author&query=Storey%2C+J+W">J. W. Storey</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1211.1370v2-abstract-short" style="display: inline;"> We propose to build and operate a detector based on the emulsion film technology for the measurement of the gravitational acceleration on antimatter, to be performed by the AEgIS experiment (AD6) at CERN. The goal of AEgIS is to test the weak equivalence principle with a precision of 1% on the gravitational acceleration g by measuring the vertical position of the anni- hilation vertex of antihydro… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1211.1370v2-abstract-full').style.display = 'inline'; document.getElementById('1211.1370v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1211.1370v2-abstract-full" style="display: none;"> We propose to build and operate a detector based on the emulsion film technology for the measurement of the gravitational acceleration on antimatter, to be performed by the AEgIS experiment (AD6) at CERN. The goal of AEgIS is to test the weak equivalence principle with a precision of 1% on the gravitational acceleration g by measuring the vertical position of the anni- hilation vertex of antihydrogen atoms after their free fall in a horizontal vacuum pipe. With the emulsion technology developed at the University of Bern we propose to improve the performance of AEgIS by exploiting the superior position resolution of emulsion films over other particle de- tectors. The idea is to use a new type of emulsion films, especially developed for applications in vacuum, to yield a spatial resolution of the order of one micron in the measurement of the sag of the antihydrogen atoms in the gravitational field. This is an order of magnitude better than what was planned in the original AEgIS proposal. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1211.1370v2-abstract-full').style.display = 'none'; document.getElementById('1211.1370v2-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 December, 2012; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 6 November, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2012. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">17 pages, 14 figures</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1111.3119">arXiv:1111.3119</a> <span> [<a href="https://arxiv.org/pdf/1111.3119">pdf</a>, <a href="https://arxiv.org/format/1111.3119">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.nima.2012.03.023">10.1016/j.nima.2012.03.023 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurements of the T2K neutrino beam properties using the INGRID on-axis near detector </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Abe%2C+K">K. Abe</a>, <a href="/search/physics?searchtype=author&query=Abgrall%2C+N">N. Abgrall</a>, <a href="/search/physics?searchtype=author&query=Ajima%2C+Y">Y. Ajima</a>, <a href="/search/physics?searchtype=author&query=Aihara%2C+H">H. Aihara</a>, <a href="/search/physics?searchtype=author&query=Albert%2C+J+B">J. B. Albert</a>, <a href="/search/physics?searchtype=author&query=Andreopoulos%2C+C">C. Andreopoulos</a>, <a href="/search/physics?searchtype=author&query=Andrieu%2C+B">B. Andrieu</a>, <a href="/search/physics?searchtype=author&query=Anerella%2C+M+D">M. D. Anerella</a>, <a href="/search/physics?searchtype=author&query=Aoki%2C+S">S. Aoki</a>, <a href="/search/physics?searchtype=author&query=Araoka%2C+O">O. Araoka</a>, <a href="/search/physics?searchtype=author&query=Argyriades%2C+J">J. Argyriades</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">A. Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">T. Ariga</a>, <a href="/search/physics?searchtype=author&query=Assylbekov%2C+S">S. Assylbekov</a>, <a href="/search/physics?searchtype=author&query=Autiero%2C+D">D. Autiero</a>, <a href="/search/physics?searchtype=author&query=Badertscher%2C+A">A. Badertscher</a>, <a href="/search/physics?searchtype=author&query=Barbi%2C+M">M. Barbi</a>, <a href="/search/physics?searchtype=author&query=Barker%2C+G+J">G. J. Barker</a>, <a href="/search/physics?searchtype=author&query=Barr%2C+G">G. Barr</a>, <a href="/search/physics?searchtype=author&query=Bass%2C+M">M. Bass</a>, <a href="/search/physics?searchtype=author&query=Batkiewicz%2C+M">M. Batkiewicz</a>, <a href="/search/physics?searchtype=author&query=Bay%2C+F">F. Bay</a>, <a href="/search/physics?searchtype=author&query=Bentham%2C+S">S. Bentham</a>, <a href="/search/physics?searchtype=author&query=Berardi%2C+V">V. Berardi</a>, <a href="/search/physics?searchtype=author&query=Berger%2C+B+E">B. E. Berger</a> , et al. (407 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="1111.3119v1-abstract-short" style="display: inline;"> Precise measurement of neutrino beam direction and intensity was achieved based on a new concept with modularized neutrino detectors. INGRID (Interactive Neutrino GRID) is an on-axis near detector for the T2K long baseline neutrino oscillation experiment. INGRID consists of 16 identical modules arranged in horizontal and vertical arrays around the beam center. The module has a sandwich structure o… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1111.3119v1-abstract-full').style.display = 'inline'; document.getElementById('1111.3119v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1111.3119v1-abstract-full" style="display: none;"> Precise measurement of neutrino beam direction and intensity was achieved based on a new concept with modularized neutrino detectors. INGRID (Interactive Neutrino GRID) is an on-axis near detector for the T2K long baseline neutrino oscillation experiment. INGRID consists of 16 identical modules arranged in horizontal and vertical arrays around the beam center. The module has a sandwich structure of iron target plates and scintillator trackers. INGRID directly monitors the muon neutrino beam profile center and intensity using the number of observed neutrino events in each module. The neutrino beam direction is measured with accuracy better than 0.4 mrad from the measured profile center. The normalized event rate is measured with 4% precision. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1111.3119v1-abstract-full').style.display = 'none'; document.getElementById('1111.3119v1-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 November, 2011; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2011. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">32 pages, 27 figures, submitted to Nucl. Instr. and Meth. 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/1106.1238">arXiv:1106.1238</a> <span> [<a href="https://arxiv.org/pdf/1106.1238">pdf</a>, <a href="https://arxiv.org/ps/1106.1238">ps</a>, <a href="https://arxiv.org/format/1106.1238">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.nima.2011.06.067">10.1016/j.nima.2011.06.067 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The T2K Experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=T2K+Collaboration"> T2K Collaboration</a>, <a href="/search/physics?searchtype=author&query=Abe%2C+K">K. Abe</a>, <a href="/search/physics?searchtype=author&query=Abgrall%2C+N">N. Abgrall</a>, <a href="/search/physics?searchtype=author&query=Aihara%2C+H">H. Aihara</a>, <a href="/search/physics?searchtype=author&query=Ajima%2C+Y">Y. Ajima</a>, <a href="/search/physics?searchtype=author&query=Albert%2C+J+B">J. B. Albert</a>, <a href="/search/physics?searchtype=author&query=Allan%2C+D">D. Allan</a>, <a href="/search/physics?searchtype=author&query=Amaudruz%2C+P+-">P. -A. Amaudruz</a>, <a href="/search/physics?searchtype=author&query=Andreopoulos%2C+C">C. Andreopoulos</a>, <a href="/search/physics?searchtype=author&query=Andrieu%2C+B">B. Andrieu</a>, <a href="/search/physics?searchtype=author&query=Anerella%2C+M+D">M. D. Anerella</a>, <a href="/search/physics?searchtype=author&query=Angelsen%2C+C">C. Angelsen</a>, <a href="/search/physics?searchtype=author&query=Aoki%2C+S">S. Aoki</a>, <a href="/search/physics?searchtype=author&query=Araoka%2C+O">O. Araoka</a>, <a href="/search/physics?searchtype=author&query=Argyriades%2C+J">J. Argyriades</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">A. Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">T. Ariga</a>, <a href="/search/physics?searchtype=author&query=Assylbekov%2C+S">S. Assylbekov</a>, <a href="/search/physics?searchtype=author&query=de+Andr%C3%A9%2C+J+P+A+M">J. P. A. M. de Andr茅</a>, <a href="/search/physics?searchtype=author&query=Autiero%2C+D">D. Autiero</a>, <a href="/search/physics?searchtype=author&query=Badertscher%2C+A">A. Badertscher</a>, <a href="/search/physics?searchtype=author&query=Ballester%2C+O">O. Ballester</a>, <a href="/search/physics?searchtype=author&query=Barbi%2C+M">M. Barbi</a>, <a href="/search/physics?searchtype=author&query=Barker%2C+G+J">G. J. Barker</a>, <a href="/search/physics?searchtype=author&query=Baron%2C+P">P. Baron</a> , et al. (499 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="1106.1238v2-abstract-short" style="display: inline;"> The T2K experiment is a long-baseline neutrino oscillation experiment. Its main goal is to measure the last unknown lepton sector mixing angle 胃_{13} by observing 谓_e appearance in a 谓_渭 beam. It also aims to make a precision measurement of the known oscillation parameters, 螖m^{2}_{23} and sin^{2} 2胃_{23}, via 谓_渭 disappearance studies. Other goals of the experiment include various neutrino cross… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1106.1238v2-abstract-full').style.display = 'inline'; document.getElementById('1106.1238v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1106.1238v2-abstract-full" style="display: none;"> The T2K experiment is a long-baseline neutrino oscillation experiment. Its main goal is to measure the last unknown lepton sector mixing angle 胃_{13} by observing 谓_e appearance in a 谓_渭 beam. It also aims to make a precision measurement of the known oscillation parameters, 螖m^{2}_{23} and sin^{2} 2胃_{23}, via 谓_渭 disappearance studies. Other goals of the experiment include various neutrino cross section measurements and sterile neutrino searches. The experiment uses an intense proton beam generated by the J-PARC accelerator in Tokai, Japan, and is composed of a neutrino beamline, a near detector complex (ND280), and a far detector (Super-Kamiokande) located 295 km away from J-PARC. This paper provides a comprehensive review of the instrumentation aspect of the T2K experiment and a summary of the vital information for each subsystem. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1106.1238v2-abstract-full').style.display = 'none'; document.getElementById('1106.1238v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 8 June, 2011; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 6 June, 2011; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2011. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">33 pages, 32 figures, Submitted and accepted by NIM A. Editor: Prof. Chang Kee Jung, Department of Physics and Astronomy, SUNY Stony Brook, chang.jung@sunysb.edu, 631-632-8108 Submit Edited to remove line numbers</span> </p> </li> </ol> <div class="is-hidden-tablet">  <span class="help" style="display: inline-block;"><a href="https://github.com/arXiv/arxiv-search/releases">Search v0.5.6 released 2020-02-24</a>  </span> </div> </div> </main> <footer> <div class="columns is-desktop" role="navigation" aria-label="Secondary">  <div class="column"> <div class="columns"> <div class="column"> <ul class="nav-spaced"> <li><a href="https://info.arxiv.org/about">About</a></li> <li><a href="https://info.arxiv.org/help">Help</a></li> </ul> </div> <div class="column"> <ul class="nav-spaced"> <li> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><title>contact arXiv</title><desc>Click here to contact arXiv</desc><path d="M502.3 190.8c3.9-3.1 9.7-.2 9.7 4.7V400c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V195.6c0-5 5.7-7.8 9.7-4.7 22.4 17.4 52.1 39.5 154.1 113.6 21.1 15.4 56.7 47.8 92.2 47.6 35.7.3 72-32.8 92.3-47.6 102-74.1 131.6-96.3 154-113.7zM256 320c23.2.4 56.6-29.2 73.4-41.4 132.7-96.3 142.8-104.7 173.4-128.7 5.8-4.5 9.2-11.5 9.2-18.9v-19c0-26.5-21.5-48-48-48H48C21.5 64 0 85.5 0 112v19c0 7.4 3.4 14.3 9.2 18.9 30.6 23.9 40.7 32.4 173.4 128.7 16.8 12.2 50.2 41.8 73.4 41.4z"/></svg> <a href="https://info.arxiv.org/help/contact.html"> Contact</a> </li> <li> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><title>subscribe to arXiv mailings</title><desc>Click here to subscribe</desc><path d="M476 3.2L12.5 270.6c-18.1 10.4-15.8 35.6 2.2 43.2L121 358.4l287.3-253.2c5.5-4.9 13.3 2.6 8.6 8.3L176 407v80.5c0 23.6 28.5 32.9 42.5 15.8L282 426l124.6 52.2c14.2 6 30.4-2.9 33-18.2l72-432C515 7.8 493.3-6.8 476 3.2z"/></svg> <a href="https://info.arxiv.org/help/subscribe"> Subscribe</a> </li> </ul> </div> </div> </div>   <div class="column"> <div class="columns"> <div class="column"> <ul class="nav-spaced"> <li><a href="https://info.arxiv.org/help/license/index.html">Copyright</a></li> <li><a href="https://info.arxiv.org/help/policies/privacy_policy.html">Privacy Policy</a></li> </ul> </div> <div class="column sorry-app-links"> <ul class="nav-spaced"> <li><a href="https://info.arxiv.org/help/web_accessibility.html">Web Accessibility Assistance</a></li> <li> <p class="help"> <a class="a11y-main-link" href="https://status.arxiv.org" target="_blank">arXiv Operational Status <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 256 512" class="icon filter-dark_grey" role="presentation"><path d="M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z"/></svg></a><br> Get status notifications via <a class="is-link" href="https://subscribe.sorryapp.com/24846f03/email/new" target="_blank"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><path d="M502.3 190.8c3.9-3.1 9.7-.2 9.7 4.7V400c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V195.6c0-5 5.7-7.8 9.7-4.7 22.4 17.4 52.1 39.5 154.1 113.6 21.1 15.4 56.7 47.8 92.2 47.6 35.7.3 72-32.8 92.3-47.6 102-74.1 131.6-96.3 154-113.7zM256 320c23.2.4 56.6-29.2 73.4-41.4 132.7-96.3 142.8-104.7 173.4-128.7 5.8-4.5 9.2-11.5 9.2-18.9v-19c0-26.5-21.5-48-48-48H48C21.5 64 0 85.5 0 112v19c0 7.4 3.4 14.3 9.2 18.9 30.6 23.9 40.7 32.4 173.4 128.7 16.8 12.2 50.2 41.8 73.4 41.4z"/></svg>email</a> or <a class="is-link" href="https://subscribe.sorryapp.com/24846f03/slack/new" target="_blank"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512" class="icon filter-black" role="presentation"><path d="M94.12 315.1c0 25.9-21.16 47.06-47.06 47.06S0 341 0 315.1c0-25.9 21.16-47.06 47.06-47.06h47.06v47.06zm23.72 0c0-25.9 21.16-47.06 47.06-47.06s47.06 21.16 47.06 47.06v117.84c0 25.9-21.16 47.06-47.06 47.06s-47.06-21.16-47.06-47.06V315.1zm47.06-188.98c-25.9 0-47.06-21.16-47.06-47.06S139 32 164.9 32s47.06 21.16 47.06 47.06v47.06H164.9zm0 23.72c25.9 0 47.06 21.16 47.06 47.06s-21.16 47.06-47.06 47.06H47.06C21.16 243.96 0 222.8 0 196.9s21.16-47.06 47.06-47.06H164.9zm188.98 47.06c0-25.9 21.16-47.06 47.06-47.06 25.9 0 47.06 21.16 47.06 47.06s-21.16 47.06-47.06 47.06h-47.06V196.9zm-23.72 0c0 25.9-21.16 47.06-47.06 47.06-25.9 0-47.06-21.16-47.06-47.06V79.06c0-25.9 21.16-47.06 47.06-47.06 25.9 0 47.06 21.16 47.06 47.06V196.9zM283.1 385.88c25.9 0 47.06 21.16 47.06 47.06 0 25.9-21.16 47.06-47.06 47.06-25.9 0-47.06-21.16-47.06-47.06v-47.06h47.06zm0-23.72c-25.9 0-47.06-21.16-47.06-47.06 0-25.9 21.16-47.06 47.06-47.06h117.84c25.9 0 47.06 21.16 47.06 47.06 0 25.9-21.16 47.06-47.06 47.06H283.1z"/></svg>slack</a> </p> </li> </ul> </div> </div> </div>  </div> </footer> <script src="https://static.arxiv.org/static/base/1.0.0a5/js/member_acknowledgement.js"></script> </body> </html>

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