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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/2404.19589">arXiv:2404.19589</a> <span> [<a href="https://arxiv.org/pdf/2404.19589">pdf</a>, <a href="https://arxiv.org/format/2404.19589">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Methods for Astrophysics">astro-ph.IM</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> Acceptance Tests of more than 10 000 Photomultiplier Tubes for the multi-PMT Digital Optical Modules of the IceCube Upgrade </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Abbasi%2C+R">R. Abbasi</a>, <a href="/search/physics?searchtype=author&query=Ackermann%2C+M">M. Ackermann</a>, <a href="/search/physics?searchtype=author&query=Adams%2C+J">J. Adams</a>, <a href="/search/physics?searchtype=author&query=Agarwalla%2C+S+K">S. K. Agarwalla</a>, <a href="/search/physics?searchtype=author&query=Aguilar%2C+J+A">J. A. Aguilar</a>, <a href="/search/physics?searchtype=author&query=Ahlers%2C+M">M. Ahlers</a>, <a href="/search/physics?searchtype=author&query=Alameddine%2C+J+M">J. M. Alameddine</a>, <a href="/search/physics?searchtype=author&query=Amin%2C+N+M">N. M. Amin</a>, <a href="/search/physics?searchtype=author&query=Andeen%2C+K">K. Andeen</a>, <a href="/search/physics?searchtype=author&query=Arg%C3%BCelles%2C+C">C. Arg眉elles</a>, <a href="/search/physics?searchtype=author&query=Ashida%2C+Y">Y. Ashida</a>, <a href="/search/physics?searchtype=author&query=Athanasiadou%2C+S">S. Athanasiadou</a>, <a href="/search/physics?searchtype=author&query=Ausborm%2C+L">L. Ausborm</a>, <a href="/search/physics?searchtype=author&query=Axani%2C+S+N">S. N. Axani</a>, <a href="/search/physics?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/physics?searchtype=author&query=V.%2C+A+B">A. Balagopal V.</a>, <a href="/search/physics?searchtype=author&query=Baricevic%2C+M">M. Baricevic</a>, <a href="/search/physics?searchtype=author&query=Barwick%2C+S+W">S. W. Barwick</a>, <a href="/search/physics?searchtype=author&query=Bash%2C+S">S. Bash</a>, <a href="/search/physics?searchtype=author&query=Basu%2C+V">V. Basu</a>, <a href="/search/physics?searchtype=author&query=Bay%2C+R">R. Bay</a>, <a href="/search/physics?searchtype=author&query=Beatty%2C+J+J">J. J. Beatty</a>, <a href="/search/physics?searchtype=author&query=Tjus%2C+J+B">J. Becker Tjus</a>, <a href="/search/physics?searchtype=author&query=Beise%2C+J">J. Beise</a>, <a href="/search/physics?searchtype=author&query=Bellenghi%2C+C">C. Bellenghi</a> , et al. (399 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="2404.19589v2-abstract-short" style="display: inline;"> More than 10,000 photomultiplier tubes (PMTs) with a diameter of 80 mm will be installed in multi-PMT Digital Optical Modules (mDOMs) of the IceCube Upgrade. These have been tested and pre-calibrated at two sites. A throughput of more than 1000 PMTs per week with both sites was achieved with a modular design of the testing facilities and highly automated testing procedures. The testing facilities… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2404.19589v2-abstract-full').style.display = 'inline'; document.getElementById('2404.19589v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2404.19589v2-abstract-full" style="display: none;"> More than 10,000 photomultiplier tubes (PMTs) with a diameter of 80 mm will be installed in multi-PMT Digital Optical Modules (mDOMs) of the IceCube Upgrade. These have been tested and pre-calibrated at two sites. A throughput of more than 1000 PMTs per week with both sites was achieved with a modular design of the testing facilities and highly automated testing procedures. The testing facilities can easily be adapted to other PMTs, such that they can, e.g., be re-used for testing the PMTs for IceCube-Gen2. Single photoelectron response, high voltage dependence, time resolution, prepulse, late pulse, afterpulse probabilities, and dark rates were measured for each PMT. We describe the design of the testing facilities, the testing procedures, and the results of the acceptance tests. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2404.19589v2-abstract-full').style.display = 'none'; document.getElementById('2404.19589v2-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 June, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 30 April, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 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">24 pages, 19 figures, 2 tables, submitted to JINST</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2403.02470">arXiv:2403.02470</a> <span> [<a href="https://arxiv.org/pdf/2403.02470">pdf</a>, <a href="https://arxiv.org/format/2403.02470">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Astrophysical Phenomena">astro-ph.HE</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Methods for Astrophysics">astro-ph.IM</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="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/10.1088/1748-0221/19/06/P06026">10.1088/1748-0221/19/06/P06026 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Improved modeling of in-ice particle showers for IceCube event reconstruction </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Abbasi%2C+R">R. Abbasi</a>, <a href="/search/physics?searchtype=author&query=Ackermann%2C+M">M. Ackermann</a>, <a href="/search/physics?searchtype=author&query=Adams%2C+J">J. Adams</a>, <a href="/search/physics?searchtype=author&query=Agarwalla%2C+S+K">S. K. Agarwalla</a>, <a href="/search/physics?searchtype=author&query=Aguilar%2C+J+A">J. A. Aguilar</a>, <a href="/search/physics?searchtype=author&query=Ahlers%2C+M">M. Ahlers</a>, <a href="/search/physics?searchtype=author&query=Alameddine%2C+J+M">J. M. Alameddine</a>, <a href="/search/physics?searchtype=author&query=Amin%2C+N+M">N. M. Amin</a>, <a href="/search/physics?searchtype=author&query=Andeen%2C+K">K. Andeen</a>, <a href="/search/physics?searchtype=author&query=Anton%2C+G">G. Anton</a>, <a href="/search/physics?searchtype=author&query=Arg%C3%BCelles%2C+C">C. Arg眉elles</a>, <a href="/search/physics?searchtype=author&query=Ashida%2C+Y">Y. Ashida</a>, <a href="/search/physics?searchtype=author&query=Athanasiadou%2C+S">S. Athanasiadou</a>, <a href="/search/physics?searchtype=author&query=Ausborm%2C+L">L. Ausborm</a>, <a href="/search/physics?searchtype=author&query=Axani%2C+S+N">S. N. Axani</a>, <a href="/search/physics?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/physics?searchtype=author&query=V.%2C+A+B">A. Balagopal V.</a>, <a href="/search/physics?searchtype=author&query=Baricevic%2C+M">M. Baricevic</a>, <a href="/search/physics?searchtype=author&query=Barwick%2C+S+W">S. W. Barwick</a>, <a href="/search/physics?searchtype=author&query=Bash%2C+S">S. Bash</a>, <a href="/search/physics?searchtype=author&query=Basu%2C+V">V. Basu</a>, <a href="/search/physics?searchtype=author&query=Bay%2C+R">R. Bay</a>, <a href="/search/physics?searchtype=author&query=Beatty%2C+J+J">J. J. Beatty</a>, <a href="/search/physics?searchtype=author&query=Tjus%2C+J+B">J. Becker Tjus</a>, <a href="/search/physics?searchtype=author&query=Beise%2C+J">J. Beise</a> , et al. (394 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="2403.02470v2-abstract-short" style="display: inline;"> The IceCube Neutrino Observatory relies on an array of photomultiplier tubes to detect Cherenkov light produced by charged particles in the South Pole ice. IceCube data analyses depend on an in-depth characterization of the glacial ice, and on novel approaches in event reconstruction that utilize fast approximations of photoelectron yields. Here, a more accurate model is derived for event reconstr… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2403.02470v2-abstract-full').style.display = 'inline'; document.getElementById('2403.02470v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2403.02470v2-abstract-full" style="display: none;"> The IceCube Neutrino Observatory relies on an array of photomultiplier tubes to detect Cherenkov light produced by charged particles in the South Pole ice. IceCube data analyses depend on an in-depth characterization of the glacial ice, and on novel approaches in event reconstruction that utilize fast approximations of photoelectron yields. Here, a more accurate model is derived for event reconstruction that better captures our current knowledge of ice optical properties. When evaluated on a Monte Carlo simulation set, the median angular resolution for in-ice particle showers improves by over a factor of three compared to a reconstruction based on a simplified model of the ice. The most substantial improvement is obtained when including effects of birefringence due to the polycrystalline structure of the ice. When evaluated on data classified as particle showers in the high-energy starting events sample, a significantly improved description of the events is observed. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2403.02470v2-abstract-full').style.display = 'none'; document.getElementById('2403.02470v2-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 April, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 4 March, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">28 pages, 18 figures, 1 table, submitted to JINST, updated to account for comments received</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> 2024 JINST 19 P06026 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2304.12236">arXiv:2304.12236</a> <span> [<a href="https://arxiv.org/pdf/2304.12236">pdf</a>, <a href="https://arxiv.org/format/2304.12236">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.108.012014">10.1103/PhysRevD.108.012014 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of Atmospheric Neutrino Mixing with Improved IceCube DeepCore Calibration and Data Processing </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=IceCube+Collaboration"> IceCube Collaboration</a>, <a href="/search/physics?searchtype=author&query=Abbasi%2C+R">R. Abbasi</a>, <a href="/search/physics?searchtype=author&query=Ackermann%2C+M">M. Ackermann</a>, <a href="/search/physics?searchtype=author&query=Adams%2C+J">J. Adams</a>, <a href="/search/physics?searchtype=author&query=Agarwalla%2C+S+K">S. K. Agarwalla</a>, <a href="/search/physics?searchtype=author&query=Aguilar%2C+J+A">J. A. Aguilar</a>, <a href="/search/physics?searchtype=author&query=Ahlers%2C+M">M. Ahlers</a>, <a href="/search/physics?searchtype=author&query=Alameddine%2C+J+M">J. M. Alameddine</a>, <a href="/search/physics?searchtype=author&query=Amin%2C+N+M">N. M. Amin</a>, <a href="/search/physics?searchtype=author&query=Andeen%2C+K">K. Andeen</a>, <a href="/search/physics?searchtype=author&query=Anton%2C+G">G. Anton</a>, <a href="/search/physics?searchtype=author&query=Arg%C3%BCelles%2C+C">C. Arg眉elles</a>, <a href="/search/physics?searchtype=author&query=Ashida%2C+Y">Y. Ashida</a>, <a href="/search/physics?searchtype=author&query=Athanasiadou%2C+S">S. Athanasiadou</a>, <a href="/search/physics?searchtype=author&query=Axani%2C+S+N">S. N. Axani</a>, <a href="/search/physics?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/physics?searchtype=author&query=V.%2C+A+B">A. Balagopal V.</a>, <a href="/search/physics?searchtype=author&query=Baricevic%2C+M">M. Baricevic</a>, <a href="/search/physics?searchtype=author&query=Barwick%2C+S+W">S. W. Barwick</a>, <a href="/search/physics?searchtype=author&query=Basu%2C+V">V. Basu</a>, <a href="/search/physics?searchtype=author&query=Bay%2C+R">R. Bay</a>, <a href="/search/physics?searchtype=author&query=Beatty%2C+J+J">J. J. Beatty</a>, <a href="/search/physics?searchtype=author&query=Becker%2C+K+-">K. -H. Becker</a>, <a href="/search/physics?searchtype=author&query=Tjus%2C+J+B">J. Becker Tjus</a>, <a href="/search/physics?searchtype=author&query=Beise%2C+J">J. Beise</a> , et al. (383 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="2304.12236v2-abstract-short" style="display: inline;"> We describe a new data sample of IceCube DeepCore and report on the latest measurement of atmospheric neutrino oscillations obtained with data recorded between 2011-2019. The sample includes significant improvements in data calibration, detector simulation, and data processing, and the analysis benefits from a detailed treatment of systematic uncertainties, with significantly higher level of detai… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2304.12236v2-abstract-full').style.display = 'inline'; document.getElementById('2304.12236v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2304.12236v2-abstract-full" style="display: none;"> We describe a new data sample of IceCube DeepCore and report on the latest measurement of atmospheric neutrino oscillations obtained with data recorded between 2011-2019. The sample includes significant improvements in data calibration, detector simulation, and data processing, and the analysis benefits from a detailed treatment of systematic uncertainties, with significantly higher level of detail since our last study. By measuring the relative fluxes of neutrino flavors as a function of their reconstructed energies and arrival directions we constrain the atmospheric neutrino mixing parameters to be $\sin^2胃_{23} = 0.51\pm 0.05$ and $螖m^2_{32} = 2.41\pm0.07\times 10^{-3}\mathrm{eV}^2$, assuming a normal mass ordering. The resulting 40\% reduction in the error of both parameters with respect to our previous result makes this the most precise measurement of oscillation parameters using atmospheric neutrinos. Our results are also compatible and complementary to those obtained using neutrino beams from accelerators, which are obtained at lower neutrino energies and are subject to different sources of uncertainties. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2304.12236v2-abstract-full').style.display = 'none'; document.getElementById('2304.12236v2-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 August, 2023; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 24 April, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2023. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2209.03042">arXiv:2209.03042</a> <span> [<a href="https://arxiv.org/pdf/2209.03042">pdf</a>, <a href="https://arxiv.org/format/2209.03042">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Methods for Astrophysics">astro-ph.IM</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Machine Learning">cs.LG</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Data Analysis, Statistics and Probability">physics.data-an</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/10.1088/1748-0221/17/11/P11003">10.1088/1748-0221/17/11/P11003 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Graph Neural Networks for Low-Energy Event Classification & Reconstruction in IceCube </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Abbasi%2C+R">R. Abbasi</a>, <a href="/search/physics?searchtype=author&query=Ackermann%2C+M">M. Ackermann</a>, <a href="/search/physics?searchtype=author&query=Adams%2C+J">J. Adams</a>, <a href="/search/physics?searchtype=author&query=Aggarwal%2C+N">N. Aggarwal</a>, <a href="/search/physics?searchtype=author&query=Aguilar%2C+J+A">J. A. Aguilar</a>, <a href="/search/physics?searchtype=author&query=Ahlers%2C+M">M. Ahlers</a>, <a href="/search/physics?searchtype=author&query=Ahrens%2C+M">M. Ahrens</a>, <a href="/search/physics?searchtype=author&query=Alameddine%2C+J+M">J. M. Alameddine</a>, <a href="/search/physics?searchtype=author&query=Alves%2C+A+A">A. A. Alves Jr.</a>, <a href="/search/physics?searchtype=author&query=Amin%2C+N+M">N. M. Amin</a>, <a href="/search/physics?searchtype=author&query=Andeen%2C+K">K. Andeen</a>, <a href="/search/physics?searchtype=author&query=Anderson%2C+T">T. Anderson</a>, <a href="/search/physics?searchtype=author&query=Anton%2C+G">G. Anton</a>, <a href="/search/physics?searchtype=author&query=Arg%C3%BCelles%2C+C">C. Arg眉elles</a>, <a href="/search/physics?searchtype=author&query=Ashida%2C+Y">Y. Ashida</a>, <a href="/search/physics?searchtype=author&query=Athanasiadou%2C+S">S. Athanasiadou</a>, <a href="/search/physics?searchtype=author&query=Axani%2C+S">S. Axani</a>, <a href="/search/physics?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/physics?searchtype=author&query=V.%2C+A+B">A. Balagopal V.</a>, <a href="/search/physics?searchtype=author&query=Baricevic%2C+M">M. Baricevic</a>, <a href="/search/physics?searchtype=author&query=Barwick%2C+S+W">S. W. Barwick</a>, <a href="/search/physics?searchtype=author&query=Basu%2C+V">V. Basu</a>, <a href="/search/physics?searchtype=author&query=Bay%2C+R">R. Bay</a>, <a href="/search/physics?searchtype=author&query=Beatty%2C+J+J">J. J. Beatty</a>, <a href="/search/physics?searchtype=author&query=Becker%2C+K+-">K. -H. Becker</a> , et al. (359 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2209.03042v3-abstract-short" style="display: inline;"> IceCube, a cubic-kilometer array of optical sensors built to detect atmospheric and astrophysical neutrinos between 1 GeV and 1 PeV, is deployed 1.45 km to 2.45 km below the surface of the ice sheet at the South Pole. The classification and reconstruction of events from the in-ice detectors play a central role in the analysis of data from IceCube. Reconstructing and classifying events is a challen… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2209.03042v3-abstract-full').style.display = 'inline'; document.getElementById('2209.03042v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2209.03042v3-abstract-full" style="display: none;"> IceCube, a cubic-kilometer array of optical sensors built to detect atmospheric and astrophysical neutrinos between 1 GeV and 1 PeV, is deployed 1.45 km to 2.45 km below the surface of the ice sheet at the South Pole. The classification and reconstruction of events from the in-ice detectors play a central role in the analysis of data from IceCube. Reconstructing and classifying events is a challenge due to the irregular detector geometry, inhomogeneous scattering and absorption of light in the ice and, below 100 GeV, the relatively low number of signal photons produced per event. To address this challenge, it is possible to represent IceCube events as point cloud graphs and use a Graph Neural Network (GNN) as the classification and reconstruction method. The GNN is capable of distinguishing neutrino events from cosmic-ray backgrounds, classifying different neutrino event types, and reconstructing the deposited energy, direction and interaction vertex. Based on simulation, we provide a comparison in the 1-100 GeV energy range to the current state-of-the-art maximum likelihood techniques used in current IceCube analyses, including the effects of known systematic uncertainties. For neutrino event classification, the GNN increases the signal efficiency by 18% at a fixed false positive rate (FPR), compared to current IceCube methods. Alternatively, the GNN offers a reduction of the FPR by over a factor 8 (to below half a percent) at a fixed signal efficiency. For the reconstruction of energy, direction, and interaction vertex, the resolution improves by an average of 13%-20% compared to current maximum likelihood techniques in the energy range of 1-30 GeV. The GNN, when run on a GPU, is capable of processing IceCube events at a rate nearly double of the median IceCube trigger rate of 2.7 kHz, which opens the possibility of using low energy neutrinos in online searches for transient events. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2209.03042v3-abstract-full').style.display = 'none'; document.getElementById('2209.03042v3-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 October, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 7 September, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 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">Prepared for submission to JINST</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2203.02303">arXiv:2203.02303</a> <span> [<a href="https://arxiv.org/pdf/2203.02303">pdf</a>, <a href="https://arxiv.org/format/2203.02303">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Methods for Astrophysics">astro-ph.IM</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Data Analysis, Statistics and Probability">physics.data-an</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/s10052-022-10721-2">10.1140/epjc/s10052-022-10721-2 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Low Energy Event Reconstruction in IceCube DeepCore </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Abbasi%2C+R">R. Abbasi</a>, <a href="/search/physics?searchtype=author&query=Ackermann%2C+M">M. Ackermann</a>, <a href="/search/physics?searchtype=author&query=Adams%2C+J">J. Adams</a>, <a href="/search/physics?searchtype=author&query=Aguilar%2C+J+A">J. A. Aguilar</a>, <a href="/search/physics?searchtype=author&query=Ahlers%2C+M">M. Ahlers</a>, <a href="/search/physics?searchtype=author&query=Ahrens%2C+M">M. Ahrens</a>, <a href="/search/physics?searchtype=author&query=Alameddine%2C+J+M">J. M. Alameddine</a>, <a href="/search/physics?searchtype=author&query=Alves%2C+A+A">A. A. Alves Jr.</a>, <a href="/search/physics?searchtype=author&query=Amin%2C+N+M">N. M. Amin</a>, <a href="/search/physics?searchtype=author&query=Andeen%2C+K">K. Andeen</a>, <a href="/search/physics?searchtype=author&query=Anderson%2C+T">T. Anderson</a>, <a href="/search/physics?searchtype=author&query=Anton%2C+G">G. Anton</a>, <a href="/search/physics?searchtype=author&query=Arg%C3%BCelles%2C+C">C. Arg眉elles</a>, <a href="/search/physics?searchtype=author&query=Ashida%2C+Y">Y. Ashida</a>, <a href="/search/physics?searchtype=author&query=Axani%2C+S">S. Axani</a>, <a href="/search/physics?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/physics?searchtype=author&query=V.%2C+A+B">A. Balagopal V.</a>, <a href="/search/physics?searchtype=author&query=Barwick%2C+S+W">S. W. Barwick</a>, <a href="/search/physics?searchtype=author&query=Bastian%2C+B">B. Bastian</a>, <a href="/search/physics?searchtype=author&query=Basu%2C+V">V. Basu</a>, <a href="/search/physics?searchtype=author&query=Baur%2C+S">S. Baur</a>, <a href="/search/physics?searchtype=author&query=Bay%2C+R">R. Bay</a>, <a href="/search/physics?searchtype=author&query=Beatty%2C+J+J">J. J. Beatty</a>, <a href="/search/physics?searchtype=author&query=Becker%2C+K+-">K. -H. Becker</a>, <a href="/search/physics?searchtype=author&query=Tjus%2C+J+B">J. Becker Tjus</a> , et al. (360 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="2203.02303v1-abstract-short" style="display: inline;"> The reconstruction of event-level information, such as the direction or energy of a neutrino interacting in IceCube DeepCore, is a crucial ingredient to many physics analyses. Algorithms to extract this high level information from the detector's raw data have been successfully developed and used for high energy events. In this work, we address unique challenges associated with the reconstruction o… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.02303v1-abstract-full').style.display = 'inline'; document.getElementById('2203.02303v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2203.02303v1-abstract-full" style="display: none;"> The reconstruction of event-level information, such as the direction or energy of a neutrino interacting in IceCube DeepCore, is a crucial ingredient to many physics analyses. Algorithms to extract this high level information from the detector's raw data have been successfully developed and used for high energy events. In this work, we address unique challenges associated with the reconstruction of lower energy events in the range of a few to hundreds of GeV and present two separate, state-of-the-art algorithms. One algorithm focuses on the fast directional reconstruction of events based on unscattered light. The second algorithm is a likelihood-based multipurpose reconstruction offering superior resolutions, at the expense of larger computational cost. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.02303v1-abstract-full').style.display = 'none'; document.getElementById('2203.02303v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 4 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">Journal ref:</span> Eur. Phys. J. C 82 (2022) 9, 807 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2012.10449">arXiv:2012.10449</a> <span> [<a href="https://arxiv.org/pdf/2012.10449">pdf</a>, <a href="https://arxiv.org/format/2012.10449">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Computational Physics">physics.comp-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.cpc.2021.108018">10.1016/j.cpc.2021.108018 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> LeptonInjector and LeptonWeighter: A neutrino event generator and weighter for neutrino observatories </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Abbasi%2C+R">R. Abbasi</a>, <a href="/search/physics?searchtype=author&query=Ackermann%2C+M">M. Ackermann</a>, <a href="/search/physics?searchtype=author&query=Adams%2C+J">J. Adams</a>, <a href="/search/physics?searchtype=author&query=Aguilar%2C+J+A">J. A. Aguilar</a>, <a href="/search/physics?searchtype=author&query=Ahlers%2C+M">M. Ahlers</a>, <a href="/search/physics?searchtype=author&query=Ahrens%2C+M">M. Ahrens</a>, <a href="/search/physics?searchtype=author&query=Alispach%2C+C">C. Alispach</a>, <a href="/search/physics?searchtype=author&query=Alves%2C+A+A">A. A. Alves Jr.</a>, <a href="/search/physics?searchtype=author&query=Amin%2C+N+M">N. M. Amin</a>, <a href="/search/physics?searchtype=author&query=An%2C+R">R. An</a>, <a href="/search/physics?searchtype=author&query=Andeen%2C+K">K. Andeen</a>, <a href="/search/physics?searchtype=author&query=Anderson%2C+T">T. Anderson</a>, <a href="/search/physics?searchtype=author&query=Ansseau%2C+I">I. Ansseau</a>, <a href="/search/physics?searchtype=author&query=Anton%2C+G">G. Anton</a>, <a href="/search/physics?searchtype=author&query=Arg%C3%BCelles%2C+C">C. Arg眉elles</a>, <a href="/search/physics?searchtype=author&query=Axani%2C+S">S. Axani</a>, <a href="/search/physics?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/physics?searchtype=author&query=V.%2C+A+B">A. Balagopal V.</a>, <a href="/search/physics?searchtype=author&query=Barbano%2C+A">A. Barbano</a>, <a href="/search/physics?searchtype=author&query=Barwick%2C+S+W">S. W. Barwick</a>, <a href="/search/physics?searchtype=author&query=Bastian%2C+B">B. Bastian</a>, <a href="/search/physics?searchtype=author&query=Basu%2C+V">V. Basu</a>, <a href="/search/physics?searchtype=author&query=Baum%2C+V">V. Baum</a>, <a href="/search/physics?searchtype=author&query=Baur%2C+S">S. Baur</a>, <a href="/search/physics?searchtype=author&query=Bay%2C+R">R. Bay</a> , et al. (341 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="2012.10449v2-abstract-short" style="display: inline;"> We present a high-energy neutrino event generator, called LeptonInjector, alongside an event weighter, called LeptonWeighter. Both are designed for large-volume Cherenkov neutrino telescopes such as IceCube. The neutrino event generator allows for quick and flexible simulation of neutrino events within and around the detector volume, and implements the leading Standard Model neutrino interaction p… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2012.10449v2-abstract-full').style.display = 'inline'; document.getElementById('2012.10449v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2012.10449v2-abstract-full" style="display: none;"> We present a high-energy neutrino event generator, called LeptonInjector, alongside an event weighter, called LeptonWeighter. Both are designed for large-volume Cherenkov neutrino telescopes such as IceCube. The neutrino event generator allows for quick and flexible simulation of neutrino events within and around the detector volume, and implements the leading Standard Model neutrino interaction processes relevant for neutrino observatories: neutrino-nucleon deep-inelastic scattering and neutrino-electron annihilation. In this paper, we discuss the event generation algorithm, the weighting algorithm, and the main functions of the publicly available code, with examples. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2012.10449v2-abstract-full').style.display = 'none'; document.getElementById('2012.10449v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 4 May, 2021; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 18 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">28 pages, 10 figures, 3 tables</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Comput. Phys. Commun. 266 (2021) 108018 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2001.06388">arXiv:2001.06388</a> <span> [<a href="https://arxiv.org/pdf/2001.06388">pdf</a>, <a href="https://arxiv.org/format/2001.06388">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.nuclphysa.2020.121701">10.1016/j.nuclphysa.2020.121701 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Search for the double-beta decay of 82Se to the excited states of 82Kr with NEMO-3 </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Arnold%2C+T+N+c+R">The NEMO-3 collaboration R. Arnold</a>, <a href="/search/physics?searchtype=author&query=Augier%2C+C">C. Augier</a>, <a href="/search/physics?searchtype=author&query=Barabash%2C+A+S">A. S. Barabash</a>, <a href="/search/physics?searchtype=author&query=Basharina-Freshville%2C+A">A. Basharina-Freshville</a>, <a href="/search/physics?searchtype=author&query=Blondel%2C+S">S. Blondel</a>, <a href="/search/physics?searchtype=author&query=Blot%2C+S">S. Blot</a>, <a href="/search/physics?searchtype=author&query=Bongrand%2C+M">M. Bongrand</a>, <a href="/search/physics?searchtype=author&query=Boursette%2C+D">D. Boursette</a>, <a href="/search/physics?searchtype=author&query=Breier%2C+R">R. Breier</a>, <a href="/search/physics?searchtype=author&query=Brudanin%2C+V">V. Brudanin</a>, <a href="/search/physics?searchtype=author&query=Busto%2C+J">J. Busto</a>, <a href="/search/physics?searchtype=author&query=Caffrey%2C+A+J">A. J. Caffrey</a>, <a href="/search/physics?searchtype=author&query=Calvez%2C+S">S. Calvez</a>, <a href="/search/physics?searchtype=author&query=Cascella%2C+M">M. Cascella</a>, <a href="/search/physics?searchtype=author&query=Cerna%2C+C">C. Cerna</a>, <a href="/search/physics?searchtype=author&query=Cesar%2C+J+P">J. P. Cesar</a>, <a href="/search/physics?searchtype=author&query=Chapon%2C+A">A. Chapon</a>, <a href="/search/physics?searchtype=author&query=Chauveau%2C+E">E. Chauveau</a>, <a href="/search/physics?searchtype=author&query=Chopra%2C+A">A. Chopra</a>, <a href="/search/physics?searchtype=author&query=Dawson%2C+L">L. Dawson</a>, <a href="/search/physics?searchtype=author&query=Duchesneau%2C+D">D. Duchesneau</a>, <a href="/search/physics?searchtype=author&query=Durand%2C+D">D. Durand</a>, <a href="/search/physics?searchtype=author&query=Egorov%2C+V">V. Egorov</a>, <a href="/search/physics?searchtype=author&query=Eurin%2C+G">G. Eurin</a>, <a href="/search/physics?searchtype=author&query=Evans%2C+J+J">J. J. Evans</a> , et al. (82 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2001.06388v1-abstract-short" style="display: inline;"> The double-beta decay of 82Se to the 0+1 excited state of 82Kr has been studied with the NEMO-3 detector using 0.93 kg of enriched 82Se measured for 4.75 y, corresponding to an exposure of 4.42 kg y. A dedicated analysis to reconstruct the gamma-rays has been performed to search for events in the 2e2g channel. No evidence of a 2nbb decay to the 0+1 state has been observed and a limit of T2n 1/2(82… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2001.06388v1-abstract-full').style.display = 'inline'; document.getElementById('2001.06388v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2001.06388v1-abstract-full" style="display: none;"> The double-beta decay of 82Se to the 0+1 excited state of 82Kr has been studied with the NEMO-3 detector using 0.93 kg of enriched 82Se measured for 4.75 y, corresponding to an exposure of 4.42 kg y. A dedicated analysis to reconstruct the gamma-rays has been performed to search for events in the 2e2g channel. No evidence of a 2nbb decay to the 0+1 state has been observed and a limit of T2n 1/2(82Se; 0+gs -> 0+1) > 1.3 1021 y at 90% CL has been set. Concerning the 0nbb decay to the 0+1 state, a limit for this decay has been obtained with T0n 1/2(82Se; 0+g s -> 0+1) > 2.3 1022 y at 90% CL, independently from the 2nbb decay process. These results are obtained for the first time with a tracko-calo detector, reconstructing every particle in the final state. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2001.06388v1-abstract-full').style.display = 'none'; document.getElementById('2001.06388v1-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 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">Journal ref:</span> Nuclear Physics A Volume 996, April 2020, 121701 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1911.06745">arXiv:1911.06745</a> <span> [<a href="https://arxiv.org/pdf/1911.06745">pdf</a>, <a href="https://arxiv.org/format/1911.06745">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.101.032006">10.1103/PhysRevD.101.032006 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Combined sensitivity to the neutrino mass ordering with JUNO, the IceCube Upgrade, and PINGU </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Collaboration%2C+I">IceCube-Gen2 Collaboration</a>, <a href="/search/physics?searchtype=author&query=%3A"> :</a>, <a href="/search/physics?searchtype=author&query=Aartsen%2C+M+G">M. G. Aartsen</a>, <a href="/search/physics?searchtype=author&query=Ackermann%2C+M">M. Ackermann</a>, <a href="/search/physics?searchtype=author&query=Adams%2C+J">J. Adams</a>, <a href="/search/physics?searchtype=author&query=Aguilar%2C+J+A">J. A. Aguilar</a>, <a href="/search/physics?searchtype=author&query=Ahlers%2C+M">M. Ahlers</a>, <a href="/search/physics?searchtype=author&query=Ahrens%2C+M">M. Ahrens</a>, <a href="/search/physics?searchtype=author&query=Alispach%2C+C">C. Alispach</a>, <a href="/search/physics?searchtype=author&query=Andeen%2C+K">K. Andeen</a>, <a href="/search/physics?searchtype=author&query=Anderson%2C+T">T. Anderson</a>, <a href="/search/physics?searchtype=author&query=Ansseau%2C+I">I. Ansseau</a>, <a href="/search/physics?searchtype=author&query=Anton%2C+G">G. Anton</a>, <a href="/search/physics?searchtype=author&query=Arg%C3%BCelles%2C+C">C. Arg眉elles</a>, <a href="/search/physics?searchtype=author&query=Arlen%2C+T+C">T. C. Arlen</a>, <a href="/search/physics?searchtype=author&query=Auffenberg%2C+J">J. Auffenberg</a>, <a href="/search/physics?searchtype=author&query=Axani%2C+S">S. Axani</a>, <a href="/search/physics?searchtype=author&query=Backes%2C+P">P. Backes</a>, <a href="/search/physics?searchtype=author&query=Bagherpour%2C+H">H. Bagherpour</a>, <a href="/search/physics?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/physics?searchtype=author&query=V.%2C+A+B">A. Balagopal V.</a>, <a href="/search/physics?searchtype=author&query=Barbano%2C+A">A. Barbano</a>, <a href="/search/physics?searchtype=author&query=Bartos%2C+I">I. Bartos</a>, <a href="/search/physics?searchtype=author&query=Barwick%2C+S+W">S. W. Barwick</a>, <a href="/search/physics?searchtype=author&query=Bastian%2C+B">B. Bastian</a> , et al. (421 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="1911.06745v1-abstract-short" style="display: inline;"> The ordering of the neutrino mass eigenstates is one of the fundamental open questions in neutrino physics. While current-generation neutrino oscillation experiments are able to produce moderate indications on this ordering, upcoming experiments of the next generation aim to provide conclusive evidence. In this paper we study the combined performance of the two future multi-purpose neutrino oscill… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1911.06745v1-abstract-full').style.display = 'inline'; document.getElementById('1911.06745v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1911.06745v1-abstract-full" style="display: none;"> The ordering of the neutrino mass eigenstates is one of the fundamental open questions in neutrino physics. While current-generation neutrino oscillation experiments are able to produce moderate indications on this ordering, upcoming experiments of the next generation aim to provide conclusive evidence. In this paper we study the combined performance of the two future multi-purpose neutrino oscillation experiments JUNO and the IceCube Upgrade, which employ two very distinct and complementary routes towards the neutrino mass ordering. The approach pursued by the $20\,\mathrm{kt}$ medium-baseline reactor neutrino experiment JUNO consists of a careful investigation of the energy spectrum of oscillated $\bar谓_e$ produced by ten nuclear reactor cores. The IceCube Upgrade, on the other hand, which consists of seven additional densely instrumented strings deployed in the center of IceCube DeepCore, will observe large numbers of atmospheric neutrinos that have undergone oscillations affected by Earth matter. In a joint fit with both approaches, tension occurs between their preferred mass-squared differences $ 螖m_{31}^{2}=m_{3}^{2}-m_{1}^{2} $ within the wrong mass ordering. In the case of JUNO and the IceCube Upgrade, this allows to exclude the wrong ordering at $>5蟽$ on a timescale of 3--7 years --- even under circumstances that are unfavorable to the experiments' individual sensitivities. For PINGU, a 26-string detector array designed as a potential low-energy extension to IceCube, the inverted ordering could be excluded within 1.5 years (3 years for the normal ordering) in a joint analysis. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1911.06745v1-abstract-full').style.display = 'none'; document.getElementById('1911.06745v1-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 November, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2019. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 101, 032006 (2020) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1803.05390">arXiv:1803.05390</a> <span> [<a href="https://arxiv.org/pdf/1803.05390">pdf</a>, <a href="https://arxiv.org/format/1803.05390">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Data Analysis, Statistics and Probability">physics.data-an</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Methods for Astrophysics">astro-ph.IM</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> </div> <p class="title is-5 mathjax"> Computational Techniques for the Analysis of Small Signals in High-Statistics Neutrino Oscillation Experiments </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=IceCube+Collaboration"> IceCube Collaboration</a>, <a href="/search/physics?searchtype=author&query=Aartsen%2C+M+G">M. G. Aartsen</a>, <a href="/search/physics?searchtype=author&query=Ackermann%2C+M">M. Ackermann</a>, <a href="/search/physics?searchtype=author&query=Adams%2C+J">J. Adams</a>, <a href="/search/physics?searchtype=author&query=Aguilar%2C+J+A">J. A. Aguilar</a>, <a href="/search/physics?searchtype=author&query=Ahlers%2C+M">M. Ahlers</a>, <a href="/search/physics?searchtype=author&query=Ahrens%2C+M">M. Ahrens</a>, <a href="/search/physics?searchtype=author&query=Samarai%2C+I+A">I. Al Samarai</a>, <a href="/search/physics?searchtype=author&query=Altmann%2C+D">D. Altmann</a>, <a href="/search/physics?searchtype=author&query=Andeen%2C+K">K. Andeen</a>, <a href="/search/physics?searchtype=author&query=Anderson%2C+T">T. Anderson</a>, <a href="/search/physics?searchtype=author&query=Ansseau%2C+I">I. Ansseau</a>, <a href="/search/physics?searchtype=author&query=Anton%2C+G">G. Anton</a>, <a href="/search/physics?searchtype=author&query=Arg%C3%BCelles%2C+C">C. Arg眉elles</a>, <a href="/search/physics?searchtype=author&query=Arlen%2C+T+C">T. C. Arlen</a>, <a href="/search/physics?searchtype=author&query=Auffenberg%2C+J">J. Auffenberg</a>, <a href="/search/physics?searchtype=author&query=Axani%2C+S">S. Axani</a>, <a href="/search/physics?searchtype=author&query=Bagherpour%2C+H">H. Bagherpour</a>, <a href="/search/physics?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/physics?searchtype=author&query=V.%2C+A+B">A. Balagopal V.</a>, <a href="/search/physics?searchtype=author&query=Barron%2C+J+P">J. P. Barron</a>, <a href="/search/physics?searchtype=author&query=Bartos%2C+I">I. Bartos</a>, <a href="/search/physics?searchtype=author&query=Barwick%2C+S+W">S. W. Barwick</a>, <a href="/search/physics?searchtype=author&query=Baum%2C+V">V. Baum</a>, <a href="/search/physics?searchtype=author&query=Bay%2C+R">R. Bay</a> , et al. (347 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="1803.05390v2-abstract-short" style="display: inline;"> The current and upcoming generation of Very Large Volume Neutrino Telescopes---collecting unprecedented quantities of neutrino events---can be used to explore subtle effects in oscillation physics, such as (but not restricted to) the neutrino mass ordering. The sensitivity of an experiment to these effects can be estimated from Monte Carlo simulations. With the high number of events that will be c… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1803.05390v2-abstract-full').style.display = 'inline'; document.getElementById('1803.05390v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1803.05390v2-abstract-full" style="display: none;"> The current and upcoming generation of Very Large Volume Neutrino Telescopes---collecting unprecedented quantities of neutrino events---can be used to explore subtle effects in oscillation physics, such as (but not restricted to) the neutrino mass ordering. The sensitivity of an experiment to these effects can be estimated from Monte Carlo simulations. With the high number of events that will be collected, there is a trade-off between the computational expense of running such simulations and the inherent statistical uncertainty in the determined values. In such a scenario, it becomes impractical to produce and use adequately-sized sets of simulated events with traditional methods, such as Monte Carlo weighting. In this work we present a staged approach to the generation of binned event distributions in order to overcome these challenges. By combining multiple integration and smoothing techniques which address limited statistics from simulation it arrives at reliable analysis results using modest computational resources. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1803.05390v2-abstract-full').style.display = 'none'; document.getElementById('1803.05390v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 4 December, 2019; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 14 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/1707.06823">arXiv:1707.06823</a> <span> [<a href="https://arxiv.org/pdf/1707.06823">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </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.2017.06.044">10.1016/j.nima.2017.06.044 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Calorimeter development for the SuperNEMO double beta decay experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Barabash%2C+A+S">A. S. Barabash</a>, <a href="/search/physics?searchtype=author&query=Basharina-Freshville%2C+A">A. Basharina-Freshville</a>, <a href="/search/physics?searchtype=author&query=Blot%2C+S">S. Blot</a>, <a href="/search/physics?searchtype=author&query=Bongrand%2C+M">M. Bongrand</a>, <a href="/search/physics?searchtype=author&query=Bourgeois%2C+C">Ch. Bourgeois</a>, <a href="/search/physics?searchtype=author&query=Breton%2C+D">D. Breton</a>, <a href="/search/physics?searchtype=author&query=Brudanin%2C+V">V. Brudanin</a>, <a href="/search/physics?searchtype=author&query=Bure%C5%A1ov%C3%A0%2C+H">H. Bure拧ov脿</a>, <a href="/search/physics?searchtype=author&query=Busto%2C+J">J. Busto</a>, <a href="/search/physics?searchtype=author&query=Caffrey%2C+A+J">A. J. Caffrey</a>, <a href="/search/physics?searchtype=author&query=Calvez%2C+S">S. Calvez</a>, <a href="/search/physics?searchtype=author&query=Cascella%2C+M">M. Cascella</a>, <a href="/search/physics?searchtype=author&query=Cerna%2C+C">C. Cerna</a>, <a href="/search/physics?searchtype=author&query=Cesar%2C+J+P">J. P. Cesar</a>, <a href="/search/physics?searchtype=author&query=Chauveau%2C+E">E. Chauveau</a>, <a href="/search/physics?searchtype=author&query=Chopra%2C+A">A. Chopra</a>, <a href="/search/physics?searchtype=author&query=Claverie%2C+G">G. Claverie</a>, <a href="/search/physics?searchtype=author&query=De+Capua%2C+S">S. De Capua</a>, <a href="/search/physics?searchtype=author&query=Delalee%2C+F">F. Delalee</a>, <a href="/search/physics?searchtype=author&query=Duchesneau%2C+D">D. Duchesneau</a>, <a href="/search/physics?searchtype=author&query=Egorov%2C+V">V. Egorov</a>, <a href="/search/physics?searchtype=author&query=Eurin%2C+G">G. Eurin</a>, <a href="/search/physics?searchtype=author&query=Evans%2C+J+J">J. J. Evans</a>, <a href="/search/physics?searchtype=author&query=Fajt%2C+L">L. Fajt</a>, <a href="/search/physics?searchtype=author&query=Filosofov%2C+D">D. Filosofov</a> , et al. (73 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1707.06823v1-abstract-short" style="display: inline;"> SuperNEMO is a double-$尾$ decay experiment, which will employ the successful tracker-calorimeter technique used in the recently completed NEMO-3 experiment. SuperNEMO will implement 100 kg of double-$尾$ decay isotope, reaching a sensitivity to the neutrinoless double-$尾$ decay ($0谓尾尾$) half-life of the order of $10^{26}$ yr, corresponding to a Majorana neutrino mass of 50-100 meV. One of the main… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1707.06823v1-abstract-full').style.display = 'inline'; document.getElementById('1707.06823v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1707.06823v1-abstract-full" style="display: none;"> SuperNEMO is a double-$尾$ decay experiment, which will employ the successful tracker-calorimeter technique used in the recently completed NEMO-3 experiment. SuperNEMO will implement 100 kg of double-$尾$ decay isotope, reaching a sensitivity to the neutrinoless double-$尾$ decay ($0谓尾尾$) half-life of the order of $10^{26}$ yr, corresponding to a Majorana neutrino mass of 50-100 meV. One of the main goals and challenges of the SuperNEMO detector development programme has been to reach a calorimeter energy resolution, $螖$E/E, around 3%/$sqrt(E)$(MeV) $蟽$, or 7%/$sqrt(E)$(MeV) FWHM (full width at half maximum), using a calorimeter composed of large volume plastic scintillator blocks coupled to photomultiplier tubes. We describe the R\&D programme and the final design of the SuperNEMO calorimeter that has met this challenging goal. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1707.06823v1-abstract-full').style.display = 'none'; document.getElementById('1707.06823v1-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 July, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2017. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1702.07176">arXiv:1702.07176</a> <span> [<a href="https://arxiv.org/pdf/1702.07176">pdf</a>, <a href="https://arxiv.org/format/1702.07176">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1748-0221/12/06/P06002">10.1088/1748-0221/12/06/P06002 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The BiPo-3 detector for the measurement of ultra low natural radioactivities of thin materials </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Barabash%2C+A+S">A. S. Barabash</a>, <a href="/search/physics?searchtype=author&query=Basharina-Freshville%2C+A">A. Basharina-Freshville</a>, <a href="/search/physics?searchtype=author&query=Birdsall%2C+E">E. Birdsall</a>, <a href="/search/physics?searchtype=author&query=Blondel%2C+S">S. Blondel</a>, <a href="/search/physics?searchtype=author&query=Blot%2C+S">S. Blot</a>, <a href="/search/physics?searchtype=author&query=Bongrand%2C+M">M. Bongrand</a>, <a href="/search/physics?searchtype=author&query=Boursette%2C+D">D. Boursette</a>, <a href="/search/physics?searchtype=author&query=Brudanin%2C+V">V. Brudanin</a>, <a href="/search/physics?searchtype=author&query=Busto%2C+J">J. Busto</a>, <a href="/search/physics?searchtype=author&query=Caffrey%2C+A+J">A. J. Caffrey</a>, <a href="/search/physics?searchtype=author&query=Calvez%2C+S">S. Calvez</a>, <a href="/search/physics?searchtype=author&query=Cascella%2C+M">M. Cascella</a>, <a href="/search/physics?searchtype=author&query=Cebri%C3%A1n%2C+S">S. Cebri谩n</a>, <a href="/search/physics?searchtype=author&query=Cerna%2C+C">C. Cerna</a>, <a href="/search/physics?searchtype=author&query=Cesar%2C+J+P">J. P Cesar</a>, <a href="/search/physics?searchtype=author&query=Chauveau%2C+E">E. Chauveau</a>, <a href="/search/physics?searchtype=author&query=Chopra%2C+A">A. Chopra</a>, <a href="/search/physics?searchtype=author&query=Dafn%C3%AD%2C+T">T. Dafn铆</a>, <a href="/search/physics?searchtype=author&query=De+Capua%2C+S">S. De Capua</a>, <a href="/search/physics?searchtype=author&query=Duchesneau%2C+D">D. Duchesneau</a>, <a href="/search/physics?searchtype=author&query=Durand%2C+D">D. Durand</a>, <a href="/search/physics?searchtype=author&query=Egorov%2C+V">V. Egorov</a>, <a href="/search/physics?searchtype=author&query=Eurin%2C+G">G. Eurin</a>, <a href="/search/physics?searchtype=author&query=Evans%2C+J+J">J. J. Evans</a>, <a href="/search/physics?searchtype=author&query=Fajt%2C+L">L. Fajt</a> , et al. (71 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="1702.07176v2-abstract-short" style="display: inline;"> The BiPo-3 detector, running in the Canfranc Underground Laboratory (Laboratorio Subterr谩neo de Canfranc, LSC, Spain) since 2013, is a low-radioactivity detector dedicated to measuring ultra low natural radionuclide contaminations of $^{208}$Tl ($^{232}$Th chain) and $^{214}$Bi ($^{238}$U chain) in thin materials. The total sensitive surface area of the detector is 3.6 m$^2$. The detector has been… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1702.07176v2-abstract-full').style.display = 'inline'; document.getElementById('1702.07176v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1702.07176v2-abstract-full" style="display: none;"> The BiPo-3 detector, running in the Canfranc Underground Laboratory (Laboratorio Subterr谩neo de Canfranc, LSC, Spain) since 2013, is a low-radioactivity detector dedicated to measuring ultra low natural radionuclide contaminations of $^{208}$Tl ($^{232}$Th chain) and $^{214}$Bi ($^{238}$U chain) in thin materials. The total sensitive surface area of the detector is 3.6 m$^2$. The detector has been developed to measure radiopurity of the selenium double $尾$-decay source foils of the SuperNEMO experiment. In this paper the design and performance of the detector, and results of the background measurements in $^{208}$Tl and $^{214}$Bi, are presented, and validation of the BiPo-3 measurement with a calibrated aluminium foil is discussed. Results of the $^{208}$Tl and $^{214}$Bi activity measurements of the first enriched $^{82}$Se foils of the double $尾$-decay SuperNEMO experiment are reported. The sensitivity of the BiPo-3 detector for the measurement of the SuperNEMO $^{82}$Se foils is $\mathcal{A}$($^{208}$Tl) $<2$ $渭$Bq/kg (90\% C.L.) and $\mathcal{A}$($^{214}$Bi) $<140$ $渭$Bq/kg (90\% C.L.) after 6 months of measurement. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1702.07176v2-abstract-full').style.display = 'none'; document.getElementById('1702.07176v2-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, 2017; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 23 February, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 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">37 pages, 29 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> JINST 12 (2017) P06002 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1612.05093">arXiv:1612.05093</a> <span> [<a href="https://arxiv.org/pdf/1612.05093">pdf</a>, <a href="https://arxiv.org/format/1612.05093">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Methods for Astrophysics">astro-ph.IM</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1748-0221/12/03/P03012">10.1088/1748-0221/12/03/P03012 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The IceCube Neutrino Observatory: Instrumentation and Online Systems </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=IceCube+Collaboration"> IceCube Collaboration</a>, <a href="/search/physics?searchtype=author&query=Aartsen%2C+M+G">M. G. Aartsen</a>, <a href="/search/physics?searchtype=author&query=Ackermann%2C+M">M. Ackermann</a>, <a href="/search/physics?searchtype=author&query=Adams%2C+J">J. Adams</a>, <a href="/search/physics?searchtype=author&query=Aguilar%2C+J+A">J. A. Aguilar</a>, <a href="/search/physics?searchtype=author&query=Ahlers%2C+M">M. Ahlers</a>, <a href="/search/physics?searchtype=author&query=Ahrens%2C+M">M. Ahrens</a>, <a href="/search/physics?searchtype=author&query=Altmann%2C+D">D. Altmann</a>, <a href="/search/physics?searchtype=author&query=Andeen%2C+K">K. Andeen</a>, <a href="/search/physics?searchtype=author&query=Anderson%2C+T">T. Anderson</a>, <a href="/search/physics?searchtype=author&query=Ansseau%2C+I">I. Ansseau</a>, <a href="/search/physics?searchtype=author&query=Anton%2C+G">G. Anton</a>, <a href="/search/physics?searchtype=author&query=Archinger%2C+M">M. Archinger</a>, <a href="/search/physics?searchtype=author&query=Arg%C3%BCelles%2C+C">C. Arg眉elles</a>, <a href="/search/physics?searchtype=author&query=Auer%2C+R">R. Auer</a>, <a href="/search/physics?searchtype=author&query=Auffenberg%2C+J">J. Auffenberg</a>, <a href="/search/physics?searchtype=author&query=Axani%2C+S">S. Axani</a>, <a href="/search/physics?searchtype=author&query=Baccus%2C+J">J. Baccus</a>, <a href="/search/physics?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/physics?searchtype=author&query=Barnet%2C+S">S. Barnet</a>, <a href="/search/physics?searchtype=author&query=Barwick%2C+S+W">S. W. Barwick</a>, <a href="/search/physics?searchtype=author&query=Baum%2C+V">V. Baum</a>, <a href="/search/physics?searchtype=author&query=Bay%2C+R">R. Bay</a>, <a href="/search/physics?searchtype=author&query=Beattie%2C+K">K. Beattie</a>, <a href="/search/physics?searchtype=author&query=Beatty%2C+J+J">J. J. Beatty</a> , et al. (328 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1612.05093v3-abstract-short" style="display: inline;"> The IceCube Neutrino Observatory is a cubic-kilometer-scale high-energy neutrino detector built into the ice at the South Pole. Construction of IceCube, the largest neutrino detector built to date, was completed in 2011 and enabled the discovery of high-energy astrophysical neutrinos. We describe here the design, production, and calibration of the IceCube digital optical module (DOM), the cable sy… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1612.05093v3-abstract-full').style.display = 'inline'; document.getElementById('1612.05093v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1612.05093v3-abstract-full" style="display: none;"> The IceCube Neutrino Observatory is a cubic-kilometer-scale high-energy neutrino detector built into the ice at the South Pole. Construction of IceCube, the largest neutrino detector built to date, was completed in 2011 and enabled the discovery of high-energy astrophysical neutrinos. We describe here the design, production, and calibration of the IceCube digital optical module (DOM), the cable systems, computing hardware, and our methodology for drilling and deployment. We also describe the online triggering and data filtering systems that select candidate neutrino and cosmic ray events for analysis. Due to a rigorous pre-deployment protocol, 98.4% of the DOMs in the deep ice are operating and collecting data. IceCube routinely achieves a detector uptime of 99% by emphasizing software stability and monitoring. Detector operations have been stable since construction was completed, and the detector is expected to operate at least until the end of the next decade. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1612.05093v3-abstract-full').style.display = 'none'; document.getElementById('1612.05093v3-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 February, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 15 December, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">82 pages, 50 figures; fix minor error in eq. 3.9 (time calibration cable delay)</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> JINST 12 P03012 (2017) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1610.05161">arXiv:1610.05161</a> <span> [<a href="https://arxiv.org/pdf/1610.05161">pdf</a>, <a href="https://arxiv.org/format/1610.05161">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/10.1088/1748-0221/11/12/T12001">10.1088/1748-0221/11/12/T12001 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The reconstruction software for the MICE scintillating fibre trackers </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Dobbs%2C+A">A. Dobbs</a>, <a href="/search/physics?searchtype=author&query=Hunt%2C+C">C. Hunt</a>, <a href="/search/physics?searchtype=author&query=Long%2C+K">K. Long</a>, <a href="/search/physics?searchtype=author&query=Santos%2C+E">E. Santos</a>, <a href="/search/physics?searchtype=author&query=Uchida%2C+M+A">M. A. Uchida</a>, <a href="/search/physics?searchtype=author&query=Kyberd%2C+P">P. Kyberd</a>, <a href="/search/physics?searchtype=author&query=Heidt%2C+C">C. Heidt</a>, <a href="/search/physics?searchtype=author&query=Blot%2C+S">S. Blot</a>, <a href="/search/physics?searchtype=author&query=Overton%2C+E">E. Overton</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="1610.05161v2-abstract-short" style="display: inline;"> The Muon Ionization Cooling Experiment (MICE) will demonstrate the principle of muon beam phase-space reduction via ionization cooling. Muon beam cooling will be required for the proposed Neutrino Factory or Muon Collider. The phase-space before and after the cooling cell must be measured precisely. This is achieved using two scintillating-fibre trackers, each placed in a solenoidal magnetic field… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1610.05161v2-abstract-full').style.display = 'inline'; document.getElementById('1610.05161v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1610.05161v2-abstract-full" style="display: none;"> The Muon Ionization Cooling Experiment (MICE) will demonstrate the principle of muon beam phase-space reduction via ionization cooling. Muon beam cooling will be required for the proposed Neutrino Factory or Muon Collider. The phase-space before and after the cooling cell must be measured precisely. This is achieved using two scintillating-fibre trackers, each placed in a solenoidal magnetic field. This paper describes the software reconstruction for the fibre trackers: the GEANT4 based simulation; the implementation of the geometry; digitisation; space-point reconstruction; pattern recognition; and the final track fit based on a Kalman filter. The performance of the software is evaluated by means of Monte Carlo studies and the precision of the final track reconstruction is evaluated. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1610.05161v2-abstract-full').style.display = 'none'; document.getElementById('1610.05161v2-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 October, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 17 October, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2016. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1610.03226">arXiv:1610.03226</a> <span> [<a href="https://arxiv.org/pdf/1610.03226">pdf</a>, <a href="https://arxiv.org/format/1610.03226">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.95.012007">10.1103/PhysRevD.95.012007 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of the $2谓尾尾$ Decay Half-Life and Search for the $0谓尾尾$ Decay of $^{116}$Cd with the NEMO-3 Detector </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Collaboration%2C+N">NEMO-3 Collaboration</a>, <a href="/search/physics?searchtype=author&query=%3A"> :</a>, <a href="/search/physics?searchtype=author&query=Arnold%2C+R">R. Arnold</a>, <a href="/search/physics?searchtype=author&query=Augier%2C+C">C. Augier</a>, <a href="/search/physics?searchtype=author&query=Baker%2C+J+D">J. D. Baker</a>, <a href="/search/physics?searchtype=author&query=Barabash%2C+A+S">A. S. Barabash</a>, <a href="/search/physics?searchtype=author&query=Basharina-Freshville%2C+A">A. Basharina-Freshville</a>, <a href="/search/physics?searchtype=author&query=Blondel%2C+S">S. Blondel</a>, <a href="/search/physics?searchtype=author&query=Blot%2C+S">S. Blot</a>, <a href="/search/physics?searchtype=author&query=Bongrand%2C+M">M. Bongrand</a>, <a href="/search/physics?searchtype=author&query=Boursette%2C+D">D. Boursette</a>, <a href="/search/physics?searchtype=author&query=Brudanin%2C+V">V. Brudanin</a>, <a href="/search/physics?searchtype=author&query=Busto%2C+J">J. Busto</a>, <a href="/search/physics?searchtype=author&query=Caffrey%2C+A+J">A. J. Caffrey</a>, <a href="/search/physics?searchtype=author&query=Calvez%2C+S">S. Calvez</a>, <a href="/search/physics?searchtype=author&query=Cascella%2C+M">M. Cascella</a>, <a href="/search/physics?searchtype=author&query=Cerna%2C+C">C. Cerna</a>, <a href="/search/physics?searchtype=author&query=Cesar%2C+J+P">J. P. Cesar</a>, <a href="/search/physics?searchtype=author&query=Chapon%2C+A">A. Chapon</a>, <a href="/search/physics?searchtype=author&query=Chauveau%2C+E">E. Chauveau</a>, <a href="/search/physics?searchtype=author&query=Chopra%2C+A">A. Chopra</a>, <a href="/search/physics?searchtype=author&query=Duchesneau%2C+D">D. Duchesneau</a>, <a href="/search/physics?searchtype=author&query=Durand%2C+D">D. Durand</a>, <a href="/search/physics?searchtype=author&query=Egorov%2C+V">V. Egorov</a>, <a href="/search/physics?searchtype=author&query=Eurin%2C+G">G. Eurin</a> , et al. (73 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="1610.03226v2-abstract-short" style="display: inline;"> The NEMO-3 experiment measured the half-life of the $2谓尾尾$ decay and searched for the $0谓尾尾$ decay of $^{116}$Cd. Using $410$ g of $^{116}$Cd installed in the detector with an exposure of $5.26$ y, ($4968\pm74$) events corresponding to the $2谓尾尾$ decay of $^{116}$Cd to the ground state of $^{116}$Sn have been observed with a signal to background ratio of about $12$. The half-life of the $2谓尾尾$ dec… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1610.03226v2-abstract-full').style.display = 'inline'; document.getElementById('1610.03226v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1610.03226v2-abstract-full" style="display: none;"> The NEMO-3 experiment measured the half-life of the $2谓尾尾$ decay and searched for the $0谓尾尾$ decay of $^{116}$Cd. Using $410$ g of $^{116}$Cd installed in the detector with an exposure of $5.26$ y, ($4968\pm74$) events corresponding to the $2谓尾尾$ decay of $^{116}$Cd to the ground state of $^{116}$Sn have been observed with a signal to background ratio of about $12$. The half-life of the $2谓尾尾$ decay has been measured to be $ T_{1/2}^{2谓}=[2.74\pm0.04\mbox{(stat.)}\pm0.18\mbox{(syst.)}]\times10^{19}$ y. No events have been observed above the expected background while searching for $0谓尾尾$ decay. The corresponding limit on the half-life is determined to be $T_{1/2}^{0谓} \ge 1.0 \times 10^{23}$ y at the $90$ % C.L. which corresponds to an upper limit on the effective Majorana neutrino mass of $\langle m_谓 \rangle \le 1.4-2.5$ eV depending on the nuclear matrix elements considered. Limits on other mechanisms generating $0谓尾尾$ decay such as the exchange of R-parity violating supersymmetric particles, right-handed currents and majoron emission are also obtained. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1610.03226v2-abstract-full').style.display = 'none'; document.getElementById('1610.03226v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 23 December, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 11 October, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 95, 012007 (2017) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1610.01814">arXiv:1610.01814</a> <span> [<a href="https://arxiv.org/pdf/1610.01814">pdf</a>, <a href="https://arxiv.org/ps/1610.01814">ps</a>, <a href="https://arxiv.org/format/1610.01814">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Astrophysical Phenomena">astro-ph.HE</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Methods for Astrophysics">astro-ph.IM</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="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/10.1088/1748-0221/11/11/P11009">10.1088/1748-0221/11/11/P11009 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Very High-Energy Gamma-Ray Follow-Up Program Using Neutrino Triggers from IceCube </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=IceCube+Collaboration"> IceCube Collaboration</a>, <a href="/search/physics?searchtype=author&query=Aartsen%2C+M+G">M. G. Aartsen</a>, <a href="/search/physics?searchtype=author&query=Abraham%2C+K">K. Abraham</a>, <a href="/search/physics?searchtype=author&query=Ackermann%2C+M">M. Ackermann</a>, <a href="/search/physics?searchtype=author&query=Adams%2C+J">J. Adams</a>, <a href="/search/physics?searchtype=author&query=Aguilar%2C+J+A">J. A. Aguilar</a>, <a href="/search/physics?searchtype=author&query=Ahlers%2C+M">M. Ahlers</a>, <a href="/search/physics?searchtype=author&query=Ahrens%2C+M">M. Ahrens</a>, <a href="/search/physics?searchtype=author&query=Altmann%2C+D">D. Altmann</a>, <a href="/search/physics?searchtype=author&query=Andeen%2C+K">K. Andeen</a>, <a href="/search/physics?searchtype=author&query=Anderson%2C+T">T. Anderson</a>, <a href="/search/physics?searchtype=author&query=Ansseau%2C+I">I. Ansseau</a>, <a href="/search/physics?searchtype=author&query=Anton%2C+G">G. Anton</a>, <a href="/search/physics?searchtype=author&query=Archinger%2C+M">M. Archinger</a>, <a href="/search/physics?searchtype=author&query=Arguelles%2C+C">C. Arguelles</a>, <a href="/search/physics?searchtype=author&query=Auffenberg%2C+J">J. Auffenberg</a>, <a href="/search/physics?searchtype=author&query=Axani%2C+S">S. Axani</a>, <a href="/search/physics?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/physics?searchtype=author&query=Barwick%2C+S+W">S. W. Barwick</a>, <a href="/search/physics?searchtype=author&query=Baum%2C+V">V. Baum</a>, <a href="/search/physics?searchtype=author&query=Bay%2C+R">R. Bay</a>, <a href="/search/physics?searchtype=author&query=Beatty%2C+J+J">J. J. Beatty</a>, <a href="/search/physics?searchtype=author&query=Becker-Tjus%2C+J">J. Becker-Tjus</a>, <a href="/search/physics?searchtype=author&query=Becker%2C+K+-">K. -H. Becker</a>, <a href="/search/physics?searchtype=author&query=BenZvi%2C+S">S. BenZvi</a> , et al. (519 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="1610.01814v3-abstract-short" style="display: inline;"> We describe and report the status of a neutrino-triggered program in IceCube that generates real-time alerts for gamma-ray follow-up observations by atmospheric-Cherenkov telescopes (MAGIC and VERITAS). While IceCube is capable of monitoring the whole sky continuously, high-energy gamma-ray telescopes have restricted fields of view and in general are unlikely to be observing a potential neutrino-f… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1610.01814v3-abstract-full').style.display = 'inline'; document.getElementById('1610.01814v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1610.01814v3-abstract-full" style="display: none;"> We describe and report the status of a neutrino-triggered program in IceCube that generates real-time alerts for gamma-ray follow-up observations by atmospheric-Cherenkov telescopes (MAGIC and VERITAS). While IceCube is capable of monitoring the whole sky continuously, high-energy gamma-ray telescopes have restricted fields of view and in general are unlikely to be observing a potential neutrino-flaring source at the time such neutrinos are recorded. The use of neutrino-triggered alerts thus aims at increasing the availability of simultaneous multi-messenger data during potential neutrino flaring activity, which can increase the discovery potential and constrain the phenomenological interpretation of the high-energy emission of selected source classes (e.g. blazars). The requirements of a fast and stable online analysis of potential neutrino signals and its operation are presented, along with first results of the program operating between 14 March 2012 and 31 December 2015. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1610.01814v3-abstract-full').style.display = 'none'; document.getElementById('1610.01814v3-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 November, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 6 October, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 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">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> 2016 JINST 11 P11009 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1606.08494">arXiv:1606.08494</a> <span> [<a href="https://arxiv.org/pdf/1606.08494">pdf</a>, <a href="https://arxiv.org/format/1606.08494">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <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.94.072003">10.1103/PhysRevD.94.072003 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of the 2$谓尾尾$ decay half-life of $^{150}$Nd and a search for 0$谓尾尾$ decay processes with the full exposure from the NEMO-3 detector </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Collaboration%2C+N">NEMO-3 Collaboration</a>, <a href="/search/physics?searchtype=author&query=%3A"> :</a>, <a href="/search/physics?searchtype=author&query=Arnold%2C+R">R. Arnold</a>, <a href="/search/physics?searchtype=author&query=Augier%2C+C">C. Augier</a>, <a href="/search/physics?searchtype=author&query=Baker%2C+J+D">J. D. Baker</a>, <a href="/search/physics?searchtype=author&query=Barabash%2C+A+S">A. S. Barabash</a>, <a href="/search/physics?searchtype=author&query=Basharina-Freshville%2C+A">A. Basharina-Freshville</a>, <a href="/search/physics?searchtype=author&query=Blondel%2C+S">S. Blondel</a>, <a href="/search/physics?searchtype=author&query=Blot%2C+S">S. Blot</a>, <a href="/search/physics?searchtype=author&query=Bongrand%2C+M">M. Bongrand</a>, <a href="/search/physics?searchtype=author&query=Brudanin%2C+V">V. Brudanin</a>, <a href="/search/physics?searchtype=author&query=Busto%2C+J">J. Busto</a>, <a href="/search/physics?searchtype=author&query=Caffrey%2C+A+J">A. J. Caffrey</a>, <a href="/search/physics?searchtype=author&query=Calvez%2C+S">S. Calvez</a>, <a href="/search/physics?searchtype=author&query=Cascell%2C+M">M. Cascell</a>, <a href="/search/physics?searchtype=author&query=Cerna%2C+C">C. Cerna</a>, <a href="/search/physics?searchtype=author&query=Cesar%2C+J+P">J. P. Cesar</a>, <a href="/search/physics?searchtype=author&query=Chapon%2C+A">A. Chapon</a>, <a href="/search/physics?searchtype=author&query=Chauveau%2C+E">E. Chauveau</a>, <a href="/search/physics?searchtype=author&query=Chopra%2C+A">A. Chopra</a>, <a href="/search/physics?searchtype=author&query=Duchesneau%2C+D">D. Duchesneau</a>, <a href="/search/physics?searchtype=author&query=Durand%2C+D">D. Durand</a>, <a href="/search/physics?searchtype=author&query=Egorov%2C+V">V. Egorov</a>, <a href="/search/physics?searchtype=author&query=Eurin%2C+G">G. Eurin</a>, <a href="/search/physics?searchtype=author&query=Evans%2C+J+J">J. J. Evans</a> , et al. (71 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="1606.08494v2-abstract-short" style="display: inline;"> We present results from a search for neutrinoless double-$尾$ ($0谓尾尾$) decay using 36.6 g of the isotope $^{150}$Nd with data corresponding to a live time of 5.25 y recorded with the NEMO-3 detector. We construct a complete background model for this isotope, including a measurement of the two-neutrino double-$尾$ decay half-life of $T^{2谓}_{1/2}=$[9.34 $\pm$ 0.22 (stat.) $^{+0.62}_{-0.60}$ (syst.)]… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1606.08494v2-abstract-full').style.display = 'inline'; document.getElementById('1606.08494v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1606.08494v2-abstract-full" style="display: none;"> We present results from a search for neutrinoless double-$尾$ ($0谓尾尾$) decay using 36.6 g of the isotope $^{150}$Nd with data corresponding to a live time of 5.25 y recorded with the NEMO-3 detector. We construct a complete background model for this isotope, including a measurement of the two-neutrino double-$尾$ decay half-life of $T^{2谓}_{1/2}=$[9.34 $\pm$ 0.22 (stat.) $^{+0.62}_{-0.60}$ (syst.)]$\times 10^{18}$ y for the ground state transition, which represents the most precise result to date for this isotope. We perform a multivariate analysis to search for \zeronu decays in order to improve the sensitivity and, in the case of observation, disentangle the possible underlying decay mechanisms. As no evidence for \zeronu decay is observed, we derive lower limits on half-lives for several mechanisms involving physics beyond the Standard Model. The observed lower limit, assuming light Majorana neutrino exchange mediates the decay, is $T^{0谓}_{1/2} >$ 2.0 $\times 10^{22}$ y at the 90% C.L., corresponding to an upper limit on the effective neutrino mass of $\langle m_谓 \rangle$ $<$ 1.6 - 5.3 eV.. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1606.08494v2-abstract-full').style.display = 'none'; document.getElementById('1606.08494v2-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 October, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 27 June, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 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">18 pages, 11 figures, Final journal version after peer review</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 94, 072003 (2016) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1604.01710">arXiv:1604.01710</a> <span> [<a href="https://arxiv.org/pdf/1604.01710">pdf</a>, <a href="https://arxiv.org/format/1604.01710">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <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.93.112008">10.1103/PhysRevD.93.112008 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of the double-beta decay half-life and search for the neutrinoless double-beta decay of $^{48}{\rm Ca}$ with the NEMO-3 detector </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Collaboration%2C+N">NEMO-3 Collaboration</a>, <a href="/search/physics?searchtype=author&query=%3A"> :</a>, <a href="/search/physics?searchtype=author&query=Arnold%2C+R">R. Arnold</a>, <a href="/search/physics?searchtype=author&query=Augier%2C+C">C. Augier</a>, <a href="/search/physics?searchtype=author&query=Bakalyarov%2C+A+M">A. M. Bakalyarov</a>, <a href="/search/physics?searchtype=author&query=Baker%2C+J+D">J. D. Baker</a>, <a href="/search/physics?searchtype=author&query=Barabash%2C+A+S">A. S. Barabash</a>, <a href="/search/physics?searchtype=author&query=Basharina-Freshville%2C+A">A. Basharina-Freshville</a>, <a href="/search/physics?searchtype=author&query=Blondel%2C+S">S. Blondel</a>, <a href="/search/physics?searchtype=author&query=Blot%2C+S">S. Blot</a>, <a href="/search/physics?searchtype=author&query=Bongrand%2C+M">M. Bongrand</a>, <a href="/search/physics?searchtype=author&query=Brudanin%2C+V">V. Brudanin</a>, <a href="/search/physics?searchtype=author&query=Busto%2C+J">J. Busto</a>, <a href="/search/physics?searchtype=author&query=Caffrey%2C+A+J">A. J. Caffrey</a>, <a href="/search/physics?searchtype=author&query=Calvez%2C+S">S. Calvez</a>, <a href="/search/physics?searchtype=author&query=Cascella%2C+M">M. Cascella</a>, <a href="/search/physics?searchtype=author&query=Cerna%2C+C">C. Cerna</a>, <a href="/search/physics?searchtype=author&query=Cesar%2C+J+P">J. P. Cesar</a>, <a href="/search/physics?searchtype=author&query=Chapon%2C+A">A. Chapon</a>, <a href="/search/physics?searchtype=author&query=Chauveau%2C+E">E. Chauveau</a>, <a href="/search/physics?searchtype=author&query=Chopra%2C+A">A. Chopra</a>, <a href="/search/physics?searchtype=author&query=Duchesneau%2C+D">D. Duchesneau</a>, <a href="/search/physics?searchtype=author&query=Durand%2C+D">D. Durand</a>, <a href="/search/physics?searchtype=author&query=Egorov%2C+V">V. Egorov</a>, <a href="/search/physics?searchtype=author&query=Eurin%2C+G">G. Eurin</a> , et al. (75 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="1604.01710v3-abstract-short" style="display: inline;"> The NEMO-3 experiment at the Modane Underground Laboratory has investigated the double-$尾$ decay of $^{48}{\rm Ca}$. Using $5.25$ yr of data recorded with a $6.99\,{\rm g}$ sample of $^{48}{\rm Ca}$, approximately $150$ double-$尾$ decay candidate events have been selected with a signal-to-background ratio greater than $3$. The half-life for the two-neutrino double-$尾$ decay of $^{48}{\rm Ca}$ has… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1604.01710v3-abstract-full').style.display = 'inline'; document.getElementById('1604.01710v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1604.01710v3-abstract-full" style="display: none;"> The NEMO-3 experiment at the Modane Underground Laboratory has investigated the double-$尾$ decay of $^{48}{\rm Ca}$. Using $5.25$ yr of data recorded with a $6.99\,{\rm g}$ sample of $^{48}{\rm Ca}$, approximately $150$ double-$尾$ decay candidate events have been selected with a signal-to-background ratio greater than $3$. The half-life for the two-neutrino double-$尾$ decay of $^{48}{\rm Ca}$ has been measured to be $T^{2谓}_{1/2}\,=\,[6.4\, ^{+0.7}_{-0.6}{\rm (stat.)} \, ^{+1.2}_{-0.9}{\rm (syst.)}] \times 10^{19}\,{\rm yr}$. A search for neutrinoless double-$尾$ decay of $^{48}{\rm Ca}$ yields a null result and a corresponding lower limit on the half-life is found to be $T^{0谓}_{1/2} > 2.0 \times 10^{22}\,{\rm yr}$ at $90\%$ confidence level, translating into an upper limit on the effective Majorana neutrino mass of $< m_{尾尾} > < 6.0 - 26$ ${\rm eV}$, with the range reflecting different nuclear matrix element calculations. Limits are also set on models involving Majoron emission and right-handed currents. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1604.01710v3-abstract-full').style.display = 'none'; document.getElementById('1604.01710v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 16 June, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 6 April, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 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">8 pages, 5 figures, 3 tables. Final journal version after peer review</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 93, 112008 (2016) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1511.00556">arXiv:1511.00556</a> <span> [<a href="https://arxiv.org/pdf/1511.00556">pdf</a>, <a href="https://arxiv.org/format/1511.00556">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/10.1088/1748-0221/11/03/P03001">10.1088/1748-0221/11/03/P03001 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Pion contamination in the MICE muon beam </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Adams%2C+D">D. Adams</a>, <a href="/search/physics?searchtype=author&query=Alekou%2C+A">A. Alekou</a>, <a href="/search/physics?searchtype=author&query=Apollonio%2C+M">M. Apollonio</a>, <a href="/search/physics?searchtype=author&query=Asfandiyarov%2C+R">R. Asfandiyarov</a>, <a href="/search/physics?searchtype=author&query=Barber%2C+G">G. Barber</a>, <a href="/search/physics?searchtype=author&query=Barclay%2C+P">P. Barclay</a>, <a href="/search/physics?searchtype=author&query=de+Bari%2C+A">A. de Bari</a>, <a href="/search/physics?searchtype=author&query=Bayes%2C+R">R. Bayes</a>, <a href="/search/physics?searchtype=author&query=Bayliss%2C+V">V. Bayliss</a>, <a href="/search/physics?searchtype=author&query=Bertoni%2C+R">R. Bertoni</a>, <a href="/search/physics?searchtype=author&query=Blackmore%2C+V+J">V. J. Blackmore</a>, <a href="/search/physics?searchtype=author&query=Blondel%2C+A">A. Blondel</a>, <a href="/search/physics?searchtype=author&query=Blot%2C+S">S. Blot</a>, <a href="/search/physics?searchtype=author&query=Bogomilov%2C+M">M. Bogomilov</a>, <a href="/search/physics?searchtype=author&query=Bonesini%2C+M">M. Bonesini</a>, <a href="/search/physics?searchtype=author&query=Booth%2C+C+N">C. N. Booth</a>, <a href="/search/physics?searchtype=author&query=Bowring%2C+D">D. Bowring</a>, <a href="/search/physics?searchtype=author&query=Boyd%2C+S">S. Boyd</a>, <a href="/search/physics?searchtype=author&query=Bradshaw%2C+T+W">T. W. Bradshaw</a>, <a href="/search/physics?searchtype=author&query=Bravar%2C+U">U. Bravar</a>, <a href="/search/physics?searchtype=author&query=Bross%2C+A+D">A. D. Bross</a>, <a href="/search/physics?searchtype=author&query=Capponi%2C+M">M. Capponi</a>, <a href="/search/physics?searchtype=author&query=Carlisle%2C+T">T. Carlisle</a>, <a href="/search/physics?searchtype=author&query=Cecchet%2C+G">G. Cecchet</a>, <a href="/search/physics?searchtype=author&query=Charnley%2C+C">C. Charnley</a> , et al. (120 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="1511.00556v3-abstract-short" style="display: inline;"> The international Muon Ionization Cooling Experiment (MICE) will perform a systematic investigation of ionization cooling with muon beams of momentum between 140 and 240\,MeV/c at the Rutherford Appleton Laboratory ISIS facility. The measurement of ionization cooling in MICE relies on the selection of a pure sample of muons that traverse the experiment. To make this selection, the MICE Muon Beam i… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1511.00556v3-abstract-full').style.display = 'inline'; document.getElementById('1511.00556v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1511.00556v3-abstract-full" style="display: none;"> The international Muon Ionization Cooling Experiment (MICE) will perform a systematic investigation of ionization cooling with muon beams of momentum between 140 and 240\,MeV/c at the Rutherford Appleton Laboratory ISIS facility. The measurement of ionization cooling in MICE relies on the selection of a pure sample of muons that traverse the experiment. To make this selection, the MICE Muon Beam is designed to deliver a beam of muons with less than $\sim$1\% contamination. To make the final muon selection, MICE employs a particle-identification (PID) system upstream and downstream of the cooling cell. The PID system includes time-of-flight hodoscopes, threshold-Cherenkov counters and calorimetry. The upper limit for the pion contamination measured in this paper is $f_蟺< 1.4\%$ at 90\% C.L., including systematic uncertainties. Therefore, the MICE Muon Beam is able to meet the stringent pion-contamination requirements of the study of ionization cooling. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1511.00556v3-abstract-full').style.display = 'none'; document.getElementById('1511.00556v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 10 February, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 2 November, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 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">16 pages, 7 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> RAL-P-2015-009 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> JINST 11 (2016) 03, P03002 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1510.08306">arXiv:1510.08306</a> <span> [<a href="https://arxiv.org/pdf/1510.08306">pdf</a>, <a href="https://arxiv.org/format/1510.08306">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/10.1088/1748-0221/10/12/P12012">10.1088/1748-0221/10/12/P12012 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Electron-Muon Ranger: performance in the MICE Muon Beam </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Adams%2C+D">D. Adams</a>, <a href="/search/physics?searchtype=author&query=Alekou%2C+A">A. Alekou</a>, <a href="/search/physics?searchtype=author&query=Apollonio%2C+M">M. Apollonio</a>, <a href="/search/physics?searchtype=author&query=Asfandiyarov%2C+R">R. Asfandiyarov</a>, <a href="/search/physics?searchtype=author&query=Barber%2C+G">G. Barber</a>, <a href="/search/physics?searchtype=author&query=Barclay%2C+P">P. Barclay</a>, <a href="/search/physics?searchtype=author&query=de+Bari%2C+A">A. de Bari</a>, <a href="/search/physics?searchtype=author&query=Bayes%2C+R">R. Bayes</a>, <a href="/search/physics?searchtype=author&query=Bayliss%2C+V">V. Bayliss</a>, <a href="/search/physics?searchtype=author&query=Bene%2C+P">P. Bene</a>, <a href="/search/physics?searchtype=author&query=Bertoni%2C+R">R. Bertoni</a>, <a href="/search/physics?searchtype=author&query=Blackmore%2C+V+J">V. J. Blackmore</a>, <a href="/search/physics?searchtype=author&query=Blondel%2C+A">A. Blondel</a>, <a href="/search/physics?searchtype=author&query=Blot%2C+S">S. Blot</a>, <a href="/search/physics?searchtype=author&query=Bogomilov%2C+M">M. Bogomilov</a>, <a href="/search/physics?searchtype=author&query=Bonesini%2C+M">M. Bonesini</a>, <a href="/search/physics?searchtype=author&query=Booth%2C+C+N">C. N. Booth</a>, <a href="/search/physics?searchtype=author&query=Bowring%2C+D">D. Bowring</a>, <a href="/search/physics?searchtype=author&query=Boyd%2C+S">S. Boyd</a>, <a href="/search/physics?searchtype=author&query=Bradshaw%2C+T+W">T. W. Bradshaw</a>, <a href="/search/physics?searchtype=author&query=Bravar%2C+U">U. Bravar</a>, <a href="/search/physics?searchtype=author&query=Bross%2C+A+D">A. D. Bross</a>, <a href="/search/physics?searchtype=author&query=Cadoux%2C+F">F. Cadoux</a>, <a href="/search/physics?searchtype=author&query=Capponi%2C+M">M. Capponi</a>, <a href="/search/physics?searchtype=author&query=Carlisle%2C+T">T. Carlisle</a> , et al. (129 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1510.08306v2-abstract-short" style="display: inline;"> The Muon Ionization Cooling Experiment (MICE) will perform a detailed study of ionization cooling to evaluate the feasibility of the technique. To carry out this program, MICE requires an efficient particle-identification (PID) system to identify muons. The Electron-Muon Ranger (EMR) is a fully-active tracking-calorimeter that forms part of the PID system and tags muons that traverse the cooling c… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1510.08306v2-abstract-full').style.display = 'inline'; document.getElementById('1510.08306v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1510.08306v2-abstract-full" style="display: none;"> The Muon Ionization Cooling Experiment (MICE) will perform a detailed study of ionization cooling to evaluate the feasibility of the technique. To carry out this program, MICE requires an efficient particle-identification (PID) system to identify muons. The Electron-Muon Ranger (EMR) is a fully-active tracking-calorimeter that forms part of the PID system and tags muons that traverse the cooling channel without decaying. The detector is capable of identifying electrons with an efficiency of 98.6%, providing a purity for the MICE beam that exceeds 99.8%. The EMR also proved to be a powerful tool for the reconstruction of muon momenta in the range 100-280 MeV/$c$. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1510.08306v2-abstract-full').style.display = 'none'; document.getElementById('1510.08306v2-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 November, 2015; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 28 October, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">22 pages, 19 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> RAL-P-2015-008 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1506.05825">arXiv:1506.05825</a> <span> [<a href="https://arxiv.org/pdf/1506.05825">pdf</a>, <a href="https://arxiv.org/format/1506.05825">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <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"> Result of the search for neutrinoless double-$尾$ decay in $^{100}$Mo with the NEMO-3 experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Arnold%2C+R">R. Arnold</a>, <a href="/search/physics?searchtype=author&query=Augier%2C+C">C. Augier</a>, <a href="/search/physics?searchtype=author&query=Baker%2C+J+D">J. D. Baker</a>, <a href="/search/physics?searchtype=author&query=Barabash%2C+A+S">A. S. Barabash</a>, <a href="/search/physics?searchtype=author&query=Basharina-Freshville%2C+A">A. Basharina-Freshville</a>, <a href="/search/physics?searchtype=author&query=Blondel%2C+S">S. Blondel</a>, <a href="/search/physics?searchtype=author&query=Blot%2C+S">S. Blot</a>, <a href="/search/physics?searchtype=author&query=Bongrand%2C+M">M. Bongrand</a>, <a href="/search/physics?searchtype=author&query=Brudanin%2C+V">V. Brudanin</a>, <a href="/search/physics?searchtype=author&query=Busto%2C+J">J. Busto</a>, <a href="/search/physics?searchtype=author&query=Caffrey%2C+A+J">A. J. Caffrey</a>, <a href="/search/physics?searchtype=author&query=Calvez%2C+S">S. Calvez</a>, <a href="/search/physics?searchtype=author&query=Cerna%2C+C">C. Cerna</a>, <a href="/search/physics?searchtype=author&query=Cesar%2C+J+P">J. P. Cesar</a>, <a href="/search/physics?searchtype=author&query=Chapon%2C+A">A. Chapon</a>, <a href="/search/physics?searchtype=author&query=Chauveau%2C+E">E. Chauveau</a>, <a href="/search/physics?searchtype=author&query=Duchesneau%2C+D">D. Duchesneau</a>, <a href="/search/physics?searchtype=author&query=Durand%2C+D">D. Durand</a>, <a href="/search/physics?searchtype=author&query=Egorov%2C+V">V. Egorov</a>, <a href="/search/physics?searchtype=author&query=Eurin%2C+G">G. Eurin</a>, <a href="/search/physics?searchtype=author&query=Evans%2C+J+J">J. J. Evans</a>, <a href="/search/physics?searchtype=author&query=Fajt%2C+L">L. Fajt</a>, <a href="/search/physics?searchtype=author&query=Filosofov%2C+D">D. Filosofov</a>, <a href="/search/physics?searchtype=author&query=Flack%2C+R">R. Flack</a>, <a href="/search/physics?searchtype=author&query=Garrido%2C+X">X. Garrido</a> , et al. (65 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="1506.05825v4-abstract-short" style="display: inline;"> The NEMO-3 detector, which had been operating in the Modane Underground Laboratory from 2003 to 2010, was designed to search for neutrinoless double $尾$ ($0谓尾尾$) decay. We report final results of a search for $0谓尾尾$ decays with $6.914$ kg of $^{100}$Mo using the entire NEMO-3 data set with a detector live time of $4.96$ yr, which corresponds to an exposure of 34.3 kg$\cdot$yr. We perform a detaile… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1506.05825v4-abstract-full').style.display = 'inline'; document.getElementById('1506.05825v4-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1506.05825v4-abstract-full" style="display: none;"> The NEMO-3 detector, which had been operating in the Modane Underground Laboratory from 2003 to 2010, was designed to search for neutrinoless double $尾$ ($0谓尾尾$) decay. We report final results of a search for $0谓尾尾$ decays with $6.914$ kg of $^{100}$Mo using the entire NEMO-3 data set with a detector live time of $4.96$ yr, which corresponds to an exposure of 34.3 kg$\cdot$yr. We perform a detailed study of the expected background in the $0谓尾尾$ signal region and find no evidence of $0谓尾尾$ decays in the data. The level of observed background in the $0谓尾尾$ signal region $[2.8-3.2]$ MeV is $0.44 \pm 0.13$ counts/yr/kg, and no events are observed in the interval $[3.2-10]$ MeV. We therefore derive a lower limit on the half-life of $0谓尾尾$ decays in $^{100}$Mo of $T_{1/2}(0谓尾尾)> 1.1 \times 10^{24}$ yr at the $90\%$ Confidence Level, under the hypothesis of light Majorana neutrino exchange. Depending on the model used for calculating nuclear matrix elements, the limit for the effective Majorana neutrino mass lies in the range $\langle m_谓 \rangle < 0.33$--$0.62$ eV. We also report constraints on other lepton-number violating mechanisms for $0谓尾尾$ decays. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1506.05825v4-abstract-full').style.display = 'none'; document.getElementById('1506.05825v4-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 October, 2015; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 18 June, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Physical Review D 92(2015) 072011 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1504.08288">arXiv:1504.08288</a> <span> [<a href="https://arxiv.org/pdf/1504.08288">pdf</a>, <a href="https://arxiv.org/format/1504.08288">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"> Preliminary measurement of the 2$谓尾尾$ decay half-life of $^{150}$Nd to $^{150}$Sm </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Blot%2C+S">Summer Blot</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="1504.08288v1-abstract-short" style="display: inline;"> The NEMO-3 experiment searches for neutrino-less double beta (0$谓尾尾$) decay in seven different isotopes simultaneously by reconstructing the full event topology of each decay. One of the investigated isotopes is Nd-150, which has the second highest Q-value (3.37 MeV) of all 0$谓尾尾$ candidate isotopes, as well as a favourable phase space factor and matrix element. The largest sources of background i… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1504.08288v1-abstract-full').style.display = 'inline'; document.getElementById('1504.08288v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1504.08288v1-abstract-full" style="display: none;"> The NEMO-3 experiment searches for neutrino-less double beta (0$谓尾尾$) decay in seven different isotopes simultaneously by reconstructing the full event topology of each decay. One of the investigated isotopes is Nd-150, which has the second highest Q-value (3.37 MeV) of all 0$谓尾尾$ candidate isotopes, as well as a favourable phase space factor and matrix element. The largest sources of background in the search for this rare decay process in Nd-150 are Tl-208 and the irreducible 2$谓尾尾$ decay. Using the full data set from NEMO-3 detector, a complete description of the background model is presented, along with a preliminary measurement of the 2$谓尾尾$ decay rate for Nd-150 to the ground state of Sm-150. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1504.08288v1-abstract-full').style.display = 'none'; document.getElementById('1504.08288v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 30 April, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 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">Proceedings from Prospects in Neutrino Physics Conference, 15 -- 17 December, 2014 (NuPhys 2014)</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1306.1509">arXiv:1306.1509</a> <span> [<a href="https://arxiv.org/pdf/1306.1509">pdf</a>, <a href="https://arxiv.org/ps/1306.1509">ps</a>, <a href="https://arxiv.org/format/1306.1509">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link 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/10.1140/epjc/s10052-013-2582-8">10.1140/epjc/s10052-013-2582-8 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Characterisation of the muon beams for the Muon Ionisation Cooling Experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=The+MICE+Collaboration"> The MICE Collaboration</a>, <a href="/search/physics?searchtype=author&query=Adams%2C+D">D. Adams</a>, <a href="/search/physics?searchtype=author&query=Adey%2C+D">D. Adey</a>, <a href="/search/physics?searchtype=author&query=Alekou%2C+A">A. Alekou</a>, <a href="/search/physics?searchtype=author&query=Apollonio%2C+M">M. Apollonio</a>, <a href="/search/physics?searchtype=author&query=Asfandiyarov%2C+R">R. Asfandiyarov</a>, <a href="/search/physics?searchtype=author&query=Back%2C+J">J. Back</a>, <a href="/search/physics?searchtype=author&query=Barber%2C+G">G. Barber</a>, <a href="/search/physics?searchtype=author&query=Barclay%2C+P">P. Barclay</a>, <a href="/search/physics?searchtype=author&query=de+Bari%2C+A">A. de Bari</a>, <a href="/search/physics?searchtype=author&query=Bayes%2C+R">R. Bayes</a>, <a href="/search/physics?searchtype=author&query=Bayliss%2C+V">V. Bayliss</a>, <a href="/search/physics?searchtype=author&query=Bertoni%2C+R">R. Bertoni</a>, <a href="/search/physics?searchtype=author&query=Blackmore%2C+V+J">V. J. Blackmore</a>, <a href="/search/physics?searchtype=author&query=Blondel%2C+A">A. Blondel</a>, <a href="/search/physics?searchtype=author&query=Blot%2C+S">S. Blot</a>, <a href="/search/physics?searchtype=author&query=Bogomilov%2C+M">M. Bogomilov</a>, <a href="/search/physics?searchtype=author&query=Bonesini%2C+M">M. Bonesini</a>, <a href="/search/physics?searchtype=author&query=Booth%2C+C+N">C. N. Booth</a>, <a href="/search/physics?searchtype=author&query=Bowring%2C+D">D. Bowring</a>, <a href="/search/physics?searchtype=author&query=Boyd%2C+S">S. Boyd</a>, <a href="/search/physics?searchtype=author&query=Bradshaw%2C+T+W">T. W. Bradshaw</a>, <a href="/search/physics?searchtype=author&query=Bravar%2C+U">U. Bravar</a>, <a href="/search/physics?searchtype=author&query=Bross%2C+A+D">A. D. Bross</a>, <a href="/search/physics?searchtype=author&query=Capponi%2C+M">M. Capponi</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="1306.1509v2-abstract-short" style="display: inline;"> A novel single-particle technique to measure emittance has been developed and used to characterise seventeen different muon beams for the Muon Ionisation Cooling Experiment (MICE). The muon beams, whose mean momenta vary from 171 to 281 MeV/c, have emittances of approximately 1.5--2.3 蟺mm-rad horizontally and 0.6--1.0 蟺mm-rad vertically, a horizontal dispersion of 90--190 mm and momentum spreads o… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1306.1509v2-abstract-full').style.display = 'inline'; document.getElementById('1306.1509v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1306.1509v2-abstract-full" style="display: none;"> A novel single-particle technique to measure emittance has been developed and used to characterise seventeen different muon beams for the Muon Ionisation Cooling Experiment (MICE). The muon beams, whose mean momenta vary from 171 to 281 MeV/c, have emittances of approximately 1.5--2.3 蟺mm-rad horizontally and 0.6--1.0 蟺mm-rad vertically, a horizontal dispersion of 90--190 mm and momentum spreads of about 25 MeV/c. There is reasonable agreement between the measured parameters of the beams and the results of simulations. The beams are found to meet the requirements of MICE. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1306.1509v2-abstract-full').style.display = 'none'; document.getElementById('1306.1509v2-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 October, 2013; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 6 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">Published in EPJC, 20 pages, 15 figures</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> 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