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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/2310.05669">arXiv:2310.05669</a> <span> [<a href="https://arxiv.org/pdf/2310.05669">pdf</a>, <a href="https://arxiv.org/format/2310.05669">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> <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"> Transverse Emittance Reduction in Muon Beams by Ionization Cooling </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=Bogomilov%2C+M">M. Bogomilov</a>, <a href="/search/physics?searchtype=author&query=Tsenov%2C+R">R. Tsenov</a>, <a href="/search/physics?searchtype=author&query=Vankova-Kirilova%2C+G">G. Vankova-Kirilova</a>, <a href="/search/physics?searchtype=author&query=Song%2C+Y+P">Y. P. Song</a>, <a href="/search/physics?searchtype=author&query=Tang%2C+J+Y">J. Y. Tang</a>, <a href="/search/physics?searchtype=author&query=Li%2C+Z+H">Z. H. Li</a>, <a href="/search/physics?searchtype=author&query=Bertoni%2C+R">R. Bertoni</a>, <a href="/search/physics?searchtype=author&query=Bonesini%2C+M">M. Bonesini</a>, <a href="/search/physics?searchtype=author&query=Chignoli%2C+F">F. Chignoli</a>, <a href="/search/physics?searchtype=author&query=Mazza%2C+R">R. Mazza</a>, <a href="/search/physics?searchtype=author&query=de+Bari%2C+A">A. de Bari</a>, <a href="/search/physics?searchtype=author&query=Orestano%2C+D">D. Orestano</a>, <a href="/search/physics?searchtype=author&query=Tortora%2C+L">L. Tortora</a>, <a href="/search/physics?searchtype=author&query=Kuno%2C+Y">Y. Kuno</a>, <a href="/search/physics?searchtype=author&query=Sakamoto%2C+H">H. Sakamoto</a>, <a href="/search/physics?searchtype=author&query=Sato%2C+A">A. Sato</a>, <a href="/search/physics?searchtype=author&query=Ishimoto%2C+S">S. Ishimoto</a>, <a href="/search/physics?searchtype=author&query=Chung%2C+M">M. Chung</a>, <a href="/search/physics?searchtype=author&query=Sung%2C+C+K">C. K. Sung</a>, <a href="/search/physics?searchtype=author&query=Filthaut%2C+F">F. Filthaut</a>, <a href="/search/physics?searchtype=author&query=Fedorov%2C+M">M. Fedorov</a>, <a href="/search/physics?searchtype=author&query=Jokovic%2C+D">D. Jokovic</a>, <a href="/search/physics?searchtype=author&query=Maletic%2C+D">D. Maletic</a>, <a href="/search/physics?searchtype=author&query=Savic%2C+M">M. Savic</a> , et al. (112 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="2310.05669v2-abstract-short" style="display: inline;"> Accelerated muon beams have been considered for next-generation studies of high-energy lepton-antilepton collisions and neutrino oscillations. However, high-brightness muon beams have not yet been produced. The main challenge for muon acceleration and storage stems from the large phase-space volume occupied by the beam, derived from the muon production mechanism through the decay of pions from pro… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2310.05669v2-abstract-full').style.display = 'inline'; document.getElementById('2310.05669v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2310.05669v2-abstract-full" style="display: none;"> Accelerated muon beams have been considered for next-generation studies of high-energy lepton-antilepton collisions and neutrino oscillations. However, high-brightness muon beams have not yet been produced. The main challenge for muon acceleration and storage stems from the large phase-space volume occupied by the beam, derived from the muon production mechanism through the decay of pions from proton collisions. Ionization cooling is the technique proposed to decrease the muon beam phase-space volume. Here we demonstrate a clear signal of ionization cooling through the observation of transverse emittance reduction in beams that traverse lithium hydride or liquid hydrogen absorbers in the Muon Ionization Cooling Experiment (MICE). The measurement is well reproduced by the simulation of the experiment and the theoretical model. The results shown here represent a substantial advance towards the realization of muon-based facilities that could operate at the energy and intensity frontiers. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2310.05669v2-abstract-full').style.display = 'none'; document.getElementById('2310.05669v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 13 October, 2023; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 9 October, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">23 pages and 5 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> STFC-P-2023-004 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2209.10251">arXiv:2209.10251</a> <span> [<a href="https://arxiv.org/pdf/2209.10251">pdf</a>, <a href="https://arxiv.org/format/2209.10251">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.106.092003">10.1103/PhysRevD.106.092003 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Multiple Coulomb Scattering of muons in Lithium Hydride </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Bogomilov%2C+M">M. Bogomilov</a>, <a href="/search/physics?searchtype=author&query=Tsenov%2C+R">R. Tsenov</a>, <a href="/search/physics?searchtype=author&query=Vankova-Kirilova%2C+G">G. Vankova-Kirilova</a>, <a href="/search/physics?searchtype=author&query=Song%2C+Y+P">Y. P. Song</a>, <a href="/search/physics?searchtype=author&query=Tang%2C+J+Y">J. Y. Tang</a>, <a href="/search/physics?searchtype=author&query=Li%2C+Z+H">Z. H. Li</a>, <a href="/search/physics?searchtype=author&query=Bertoni%2C+R">R. Bertoni</a>, <a href="/search/physics?searchtype=author&query=Bonesini%2C+M">M. Bonesini</a>, <a href="/search/physics?searchtype=author&query=Chignoli%2C+F">F. Chignoli</a>, <a href="/search/physics?searchtype=author&query=Mazza%2C+R">R. Mazza</a>, <a href="/search/physics?searchtype=author&query=Palladino%2C+V">V. Palladino</a>, <a href="/search/physics?searchtype=author&query=de+Bari%2C+A">A. de Bari</a>, <a href="/search/physics?searchtype=author&query=Orestano%2C+D">D. Orestano</a>, <a href="/search/physics?searchtype=author&query=Tortora%2C+L">L. Tortora</a>, <a href="/search/physics?searchtype=author&query=Kuno%2C+Y">Y. Kuno</a>, <a href="/search/physics?searchtype=author&query=Sakamoto%2C+H">H. Sakamoto</a>, <a href="/search/physics?searchtype=author&query=Sato%2C+A">A. Sato</a>, <a href="/search/physics?searchtype=author&query=Ishimoto%2C+S">S. Ishimoto</a>, <a href="/search/physics?searchtype=author&query=Chung%2C+M">M. Chung</a>, <a href="/search/physics?searchtype=author&query=Sung%2C+C+K">C. K. Sung</a>, <a href="/search/physics?searchtype=author&query=Filthaut%2C+F">F. Filthaut</a>, <a href="/search/physics?searchtype=author&query=Fedorov%2C+M">M. Fedorov</a>, <a href="/search/physics?searchtype=author&query=Jokovic%2C+D">D. Jokovic</a>, <a href="/search/physics?searchtype=author&query=Maletic%2C+D">D. Maletic</a>, <a href="/search/physics?searchtype=author&query=Savic%2C+M">M. Savic</a> , et al. (112 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="2209.10251v1-abstract-short" style="display: inline;"> Multiple Coulomb Scattering (MCS) is a well known phenomenon occurring when charged particles traverse materials. Measurements of muons traversing low $Z$ materials made in the MuScat experiment showed that theoretical models and simulation codes, such as GEANT4 (v7.0), over-estimated the scattering. The Muon Ionization Cooling Experiment (MICE) measured the cooling of a muon beam traversing a liq… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2209.10251v1-abstract-full').style.display = 'inline'; document.getElementById('2209.10251v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2209.10251v1-abstract-full" style="display: none;"> Multiple Coulomb Scattering (MCS) is a well known phenomenon occurring when charged particles traverse materials. Measurements of muons traversing low $Z$ materials made in the MuScat experiment showed that theoretical models and simulation codes, such as GEANT4 (v7.0), over-estimated the scattering. The Muon Ionization Cooling Experiment (MICE) measured the cooling of a muon beam traversing a liquid hydrogen or lithium hydride (LiH) energy absorber as part of a programme to develop muon accelerator facilities, such as a Neutrino Factory or a Muon Collider. The energy loss and MCS that occur in the absorber material are competing effects that alter the performance of the cooling channel. Therefore measurements of MCS are required in order to validate the simulations used to predict the cooling performance in future accelerator facilities. We report measurements made in the MICE apparatus of MCS using a LiH absorber and muons within the momentum range 160 to 245 MeV/c. The measured RMS scattering width is about 9% smaller than that predicted by the approximate formula proposed by the Particle Data Group. Data at 172, 200 and 240 MeV/c are compared to the GEANT4 (v9.6) default scattering model. These measurements show agreement with this more recent GEANT4 (v9.6) version over the range of incident muon momenta. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2209.10251v1-abstract-full').style.display = 'none'; document.getElementById('2209.10251v1-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 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">20 pages, 14 figures, journal</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> RAL-P-2022-001 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2106.05813">arXiv:2106.05813</a> <span> [<a href="https://arxiv.org/pdf/2106.05813">pdf</a>, <a href="https://arxiv.org/format/2106.05813">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/10.1088/1748-0221/16/08/P08046">10.1088/1748-0221/16/08/P08046 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Performance of the MICE diagnostic system </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=Bogomilov%2C+M">M. Bogomilov</a>, <a href="/search/physics?searchtype=author&query=Tsenov%2C+R">R. Tsenov</a>, <a href="/search/physics?searchtype=author&query=Vankova-Kirilova%2C+G">G. Vankova-Kirilova</a>, <a href="/search/physics?searchtype=author&query=Song%2C+Y+P">Y. P. Song</a>, <a href="/search/physics?searchtype=author&query=Tang%2C+J+Y">J. Y. Tang</a>, <a href="/search/physics?searchtype=author&query=Li%2C+Z+H">Z. H. Li</a>, <a href="/search/physics?searchtype=author&query=Bertoni%2C+R">R. Bertoni</a>, <a href="/search/physics?searchtype=author&query=Bonesini%2C+M">M. Bonesini</a>, <a href="/search/physics?searchtype=author&query=Chignoli%2C+F">F. Chignoli</a>, <a href="/search/physics?searchtype=author&query=Mazza%2C+R">R. Mazza</a>, <a href="/search/physics?searchtype=author&query=Palladino%2C+V">V. Palladino</a>, <a href="/search/physics?searchtype=author&query=de+Bari%2C+A">A. de Bari</a>, <a href="/search/physics?searchtype=author&query=Orestano%2C+D">D. Orestano</a>, <a href="/search/physics?searchtype=author&query=Tortora%2C+L">L. Tortora</a>, <a href="/search/physics?searchtype=author&query=Kuno%2C+Y">Y. Kuno</a>, <a href="/search/physics?searchtype=author&query=Sakamoto%2C+H">H. Sakamoto</a>, <a href="/search/physics?searchtype=author&query=Sato%2C+A">A. Sato</a>, <a href="/search/physics?searchtype=author&query=Ishimoto%2C+S">S. Ishimoto</a>, <a href="/search/physics?searchtype=author&query=Chung%2C+M">M. Chung</a>, <a href="/search/physics?searchtype=author&query=Sung%2C+C+K">C. K. Sung</a>, <a href="/search/physics?searchtype=author&query=Filthaut%2C+F">F. Filthaut</a>, <a href="/search/physics?searchtype=author&query=Fedorov%2C+M">M. Fedorov</a>, <a href="/search/physics?searchtype=author&query=Jokovic%2C+D">D. Jokovic</a>, <a href="/search/physics?searchtype=author&query=Maletic%2C+D">D. Maletic</a> , et al. (113 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="2106.05813v2-abstract-short" style="display: inline;"> Muon beams of low emittance provide the basis for the intense, well-characterised neutrino beams of a neutrino factory and for multi-TeV lepton-antilepton collisions at a muon collider. The international Muon Ionization Cooling Experiment (MICE) has demonstrated the principle of ionization cooling, the technique by which it is proposed to reduce the phase-space volume occupied by the muon beam at… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2106.05813v2-abstract-full').style.display = 'inline'; document.getElementById('2106.05813v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2106.05813v2-abstract-full" style="display: none;"> Muon beams of low emittance provide the basis for the intense, well-characterised neutrino beams of a neutrino factory and for multi-TeV lepton-antilepton collisions at a muon collider. The international Muon Ionization Cooling Experiment (MICE) has demonstrated the principle of ionization cooling, the technique by which it is proposed to reduce the phase-space volume occupied by the muon beam at such facilities. This paper documents the performance of the detectors used in MICE to measure the muon-beam parameters, and the physical properties of the liquid hydrogen energy absorber during running. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2106.05813v2-abstract-full').style.display = 'none'; document.getElementById('2106.05813v2-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 August, 2021; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 10 June, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2021. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">27 pages, 18 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> RAL-P-2021-001 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> 2021 JINST 16 P08046 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1907.08562">arXiv:1907.08562</a> <span> [<a href="https://arxiv.org/pdf/1907.08562">pdf</a>, <a href="https://arxiv.org/format/1907.08562">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> <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"> First demonstration of ionization cooling by the Muon Ionization Cooling Experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Bogomilov%2C+M">M. Bogomilov</a>, <a href="/search/physics?searchtype=author&query=Tsenov%2C+R">R. Tsenov</a>, <a href="/search/physics?searchtype=author&query=Vankova-Kirilova%2C+G">G. Vankova-Kirilova</a>, <a href="/search/physics?searchtype=author&query=Song%2C+Y+P">Y. P. Song</a>, <a href="/search/physics?searchtype=author&query=Tang%2C+J+Y">J. Y. Tang</a>, <a href="/search/physics?searchtype=author&query=Li%2C+Z+H">Z. H. Li</a>, <a href="/search/physics?searchtype=author&query=Bertoni%2C+R">R. Bertoni</a>, <a href="/search/physics?searchtype=author&query=Bonesini%2C+M">M. Bonesini</a>, <a href="/search/physics?searchtype=author&query=Chignoli%2C+F">F. Chignoli</a>, <a href="/search/physics?searchtype=author&query=Mazza%2C+R">R. Mazza</a>, <a href="/search/physics?searchtype=author&query=Palladino%2C+V">V. Palladino</a>, <a href="/search/physics?searchtype=author&query=de+Bari%2C+A">A. de Bari</a>, <a href="/search/physics?searchtype=author&query=Orestano%2C+D">D. Orestano</a>, <a href="/search/physics?searchtype=author&query=Tortora%2C+L">L. Tortora</a>, <a href="/search/physics?searchtype=author&query=Kuno%2C+Y">Y. Kuno</a>, <a href="/search/physics?searchtype=author&query=Sakamoto%2C+H">H. Sakamoto</a>, <a href="/search/physics?searchtype=author&query=Sato%2C+A">A. Sato</a>, <a href="/search/physics?searchtype=author&query=Ishimoto%2C+S">S. Ishimoto</a>, <a href="/search/physics?searchtype=author&query=Chung%2C+M">M. Chung</a>, <a href="/search/physics?searchtype=author&query=Sung%2C+C+K">C. K. Sung</a>, <a href="/search/physics?searchtype=author&query=Filthaut%2C+F">F. Filthaut</a>, <a href="/search/physics?searchtype=author&query=Jokovic%2C+D">D. Jokovic</a>, <a href="/search/physics?searchtype=author&query=Maletic%2C+D">D. Maletic</a>, <a href="/search/physics?searchtype=author&query=Savic%2C+M">M. Savic</a>, <a href="/search/physics?searchtype=author&query=Jovancevic%2C+N">N. Jovancevic</a> , et al. (110 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1907.08562v1-abstract-short" style="display: inline;"> High-brightness muon beams of energy comparable to those produced by state-of-the-art electron, proton and ion accelerators have yet to be realised. Such beams have the potential to carry the search for new phenomena in lepton-antilepton collisions to extremely high energy and also to provide uniquely well-characterised neutrino beams. A muon beam may be created through the decay of pions produced… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1907.08562v1-abstract-full').style.display = 'inline'; document.getElementById('1907.08562v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1907.08562v1-abstract-full" style="display: none;"> High-brightness muon beams of energy comparable to those produced by state-of-the-art electron, proton and ion accelerators have yet to be realised. Such beams have the potential to carry the search for new phenomena in lepton-antilepton collisions to extremely high energy and also to provide uniquely well-characterised neutrino beams. A muon beam may be created through the decay of pions produced in the interaction of a proton beam with a target. To produce a high-brightness beam from such a source requires that the phase space volume occupied by the muons be reduced (cooled). Ionization cooling is the novel technique by which it is proposed to cool the beam. The Muon Ionization Cooling Experiment collaboration has constructed a section of an ionization cooling cell and used it to provide the first demonstration of ionization cooling. We present these ground-breaking measurements. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1907.08562v1-abstract-full').style.display = 'none'; document.getElementById('1907.08562v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 19 July, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2019. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">19 pages and 6 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> RAL-P-2019-003 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1904.07812">arXiv:1904.07812</a> <span> [<a href="https://arxiv.org/pdf/1904.07812">pdf</a>, <a href="https://arxiv.org/format/1904.07812">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/PhysRevLett.123.111801">10.1103/PhysRevLett.123.111801 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Extraction of the $^{235}$U and $^{239}$Pu Antineutrino Spectra at Daya Bay </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Daya+Bay+collaboration"> Daya Bay collaboration</a>, <a href="/search/physics?searchtype=author&query=Adey%2C+D">D. Adey</a>, <a href="/search/physics?searchtype=author&query=An%2C+F+P">F. P. An</a>, <a href="/search/physics?searchtype=author&query=Balantekin%2C+A+B">A. B. Balantekin</a>, <a href="/search/physics?searchtype=author&query=Band%2C+H+R">H. R. Band</a>, <a href="/search/physics?searchtype=author&query=Bishai%2C+M">M. Bishai</a>, <a href="/search/physics?searchtype=author&query=Blyth%2C+S">S. Blyth</a>, <a href="/search/physics?searchtype=author&query=Cao%2C+D">D. Cao</a>, <a href="/search/physics?searchtype=author&query=Cao%2C+G+F">G. F. Cao</a>, <a href="/search/physics?searchtype=author&query=Cao%2C+J">J. Cao</a>, <a href="/search/physics?searchtype=author&query=Chang%2C+J+F">J. F. Chang</a>, <a href="/search/physics?searchtype=author&query=Chang%2C+Y">Y. Chang</a>, <a href="/search/physics?searchtype=author&query=Chen%2C+H+S">H. S. Chen</a>, <a href="/search/physics?searchtype=author&query=Chen%2C+S+M">S. M. Chen</a>, <a href="/search/physics?searchtype=author&query=Chen%2C+Y">Y. Chen</a>, <a href="/search/physics?searchtype=author&query=Chen%2C+Y+X">Y. X. Chen</a>, <a href="/search/physics?searchtype=author&query=Cheng%2C+J">J. Cheng</a>, <a href="/search/physics?searchtype=author&query=Cheng%2C+Z+K">Z. K. Cheng</a>, <a href="/search/physics?searchtype=author&query=Cherwinka%2C+J+J">J. J. Cherwinka</a>, <a href="/search/physics?searchtype=author&query=Chu%2C+M+C">M. C. Chu</a>, <a href="/search/physics?searchtype=author&query=Chukanov%2C+A">A. Chukanov</a>, <a href="/search/physics?searchtype=author&query=Cummings%2C+J+P">J. P. Cummings</a>, <a href="/search/physics?searchtype=author&query=Dash%2C+N">N. Dash</a>, <a href="/search/physics?searchtype=author&query=Deng%2C+F+S">F. S. Deng</a>, <a href="/search/physics?searchtype=author&query=Ding%2C+Y+Y">Y. Y. Ding</a> , et al. (171 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1904.07812v3-abstract-short" style="display: inline;"> This Letter reports the first extraction of individual antineutrino spectra from $^{235}$U and $^{239}$Pu fission and an improved measurement of the prompt energy spectrum of reactor antineutrinos at Daya Bay. The analysis uses $3.5\times 10^6$ inverse beta-decay candidates in four near antineutrino detectors in 1958 days. The individual antineutrino spectra of the two dominant isotopes, $^{235}$U… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1904.07812v3-abstract-full').style.display = 'inline'; document.getElementById('1904.07812v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1904.07812v3-abstract-full" style="display: none;"> This Letter reports the first extraction of individual antineutrino spectra from $^{235}$U and $^{239}$Pu fission and an improved measurement of the prompt energy spectrum of reactor antineutrinos at Daya Bay. The analysis uses $3.5\times 10^6$ inverse beta-decay candidates in four near antineutrino detectors in 1958 days. The individual antineutrino spectra of the two dominant isotopes, $^{235}$U and $^{239}$Pu, are extracted using the evolution of the prompt spectrum as a function of the isotope fission fractions. In the energy window of 4--6~MeV, a 7\% (9\%) excess of events is observed for the $^{235}$U ($^{239}$Pu) spectrum compared with the normalized Huber-Mueller model prediction. The significance of discrepancy is $4.0蟽$ for $^{235}$U spectral shape compared with the Huber-Mueller model prediction. The shape of the measured inverse beta-decay prompt energy spectrum disagrees with the prediction of the Huber-Mueller model at $5.3蟽$. In the energy range of 4--6~MeV, a maximal local discrepancy of $6.3蟽$ is observed. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1904.07812v3-abstract-full').style.display = 'none'; document.getElementById('1904.07812v3-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 September, 2019; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 16 April, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2019. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Updated title</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 123, 111801 (2019) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1902.08241">arXiv:1902.08241</a> <span> [<a href="https://arxiv.org/pdf/1902.08241">pdf</a>, <a href="https://arxiv.org/format/1902.08241">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> A high precision calibration of the nonlinear energy response at Daya Bay </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Daya+Bay+collaboration"> Daya Bay collaboration</a>, <a href="/search/physics?searchtype=author&query=Adey%2C+D">D. Adey</a>, <a href="/search/physics?searchtype=author&query=An%2C+F+P">F. P. An</a>, <a href="/search/physics?searchtype=author&query=Balantekin%2C+A+B">A. B. Balantekin</a>, <a href="/search/physics?searchtype=author&query=Band%2C+H+R">H. R. Band</a>, <a href="/search/physics?searchtype=author&query=Bishai%2C+M">M. Bishai</a>, <a href="/search/physics?searchtype=author&query=Blyth%2C+S">S. Blyth</a>, <a href="/search/physics?searchtype=author&query=Cao%2C+D">D. Cao</a>, <a href="/search/physics?searchtype=author&query=Cao%2C+G+F">G. F. Cao</a>, <a href="/search/physics?searchtype=author&query=Cao%2C+J">J. Cao</a>, <a href="/search/physics?searchtype=author&query=Chang%2C+J+F">J. F. Chang</a>, <a href="/search/physics?searchtype=author&query=Chang%2C+Y">Y. Chang</a>, <a href="/search/physics?searchtype=author&query=Chen%2C+H+S">H. S. Chen</a>, <a href="/search/physics?searchtype=author&query=Chen%2C+S+M">S. M. Chen</a>, <a href="/search/physics?searchtype=author&query=Chen%2C+Y">Y. Chen</a>, <a href="/search/physics?searchtype=author&query=Chen%2C+Y+X">Y. X. Chen</a>, <a href="/search/physics?searchtype=author&query=Cheng%2C+J">J. Cheng</a>, <a href="/search/physics?searchtype=author&query=Cheng%2C+Z+K">Z. K. Cheng</a>, <a href="/search/physics?searchtype=author&query=Cherwinka%2C+J+J">J. J. Cherwinka</a>, <a href="/search/physics?searchtype=author&query=Chu%2C+M+C">M. C. Chu</a>, <a href="/search/physics?searchtype=author&query=Chukanov%2C+A">A. Chukanov</a>, <a href="/search/physics?searchtype=author&query=Cummings%2C+J+P">J. P. Cummings</a>, <a href="/search/physics?searchtype=author&query=Dash%2C+N">N. Dash</a>, <a href="/search/physics?searchtype=author&query=Deng%2C+F+S">F. S. Deng</a>, <a href="/search/physics?searchtype=author&query=Ding%2C+Y+Y">Y. Y. Ding</a> , et al. (173 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1902.08241v2-abstract-short" style="display: inline;"> A high precision calibration of the nonlinearity in the energy response of the Daya Bay Reactor Neutrino Experiment's antineutrino detectors is presented in detail. The energy nonlinearity originates from the particle-dependent light yield of the scintillator and charge-dependent electronics response. The nonlinearity model is constrained by $纬$ calibration points from deployed and naturally occur… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1902.08241v2-abstract-full').style.display = 'inline'; document.getElementById('1902.08241v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1902.08241v2-abstract-full" style="display: none;"> A high precision calibration of the nonlinearity in the energy response of the Daya Bay Reactor Neutrino Experiment's antineutrino detectors is presented in detail. The energy nonlinearity originates from the particle-dependent light yield of the scintillator and charge-dependent electronics response. The nonlinearity model is constrained by $纬$ calibration points from deployed and naturally occurring radioactive sources, the $尾$ spectrum from $^{12}$B decays, and a direct measurement of the electronics nonlinearity with a new flash analog-to-digital converter readout system. Less than 0.5% uncertainty in the energy nonlinearity calibration is achieved for positrons of kinetic energies greater than 1 MeV. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1902.08241v2-abstract-full').style.display = 'none'; document.getElementById('1902.08241v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 27 June, 2019; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 21 February, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2019. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">17 pages, 22 figures, 4 tables. Final version to be published in NIM-A</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1810.13224">arXiv:1810.13224</a> <span> [<a href="https://arxiv.org/pdf/1810.13224">pdf</a>, <a href="https://arxiv.org/format/1810.13224">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> <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/s10052-019-6674-y">10.1140/epjc/s10052-019-6674-y <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> First particle-by-particle measurement of emittance in the Muon Ionization 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=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=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">V. Blackmore</a>, <a href="/search/physics?searchtype=author&query=Blondel%2C+A">A. Blondel</a>, <a href="/search/physics?searchtype=author&query=Boehm%2C+J">J. Boehm</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=Bross%2C+A+D">A. D. Bross</a>, <a href="/search/physics?searchtype=author&query=Brown%2C+C">C. Brown</a>, <a href="/search/physics?searchtype=author&query=Coney%2C+L">L. Coney</a>, <a href="/search/physics?searchtype=author&query=Charnley%2C+G">G. Charnley</a>, <a href="/search/physics?searchtype=author&query=Chatzitheodoridis%2C+G+T">G. T. Chatzitheodoridis</a>, <a href="/search/physics?searchtype=author&query=Chignoli%2C+F">F. Chignoli</a>, <a href="/search/physics?searchtype=author&query=Chung%2C+M">M. Chung</a> , et al. (111 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1810.13224v3-abstract-short" style="display: inline;"> The Muon Ionization Cooling Experiment (MICE) collaboration seeks to demonstrate the feasibility of ionization cooling, the technique by which it is proposed to cool the muon beam at a future neutrino factory or muon collider. The emittance is measured from an ensemble of muons assembled from those that pass through the experiment. A pure muon ensemble is selected using a particle-identification s… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1810.13224v3-abstract-full').style.display = 'inline'; document.getElementById('1810.13224v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1810.13224v3-abstract-full" style="display: none;"> The Muon Ionization Cooling Experiment (MICE) collaboration seeks to demonstrate the feasibility of ionization cooling, the technique by which it is proposed to cool the muon beam at a future neutrino factory or muon collider. The emittance is measured from an ensemble of muons assembled from those that pass through the experiment. A pure muon ensemble is selected using a particle-identification system that can reject efficiently both pions and electrons. The position and momentum of each muon are measured using a high-precision scintillating-fibre tracker in a 4\,T solenoidal magnetic field. This paper presents the techniques used to reconstruct the phase-space distributions and reports the first particle-by-particle measurement of the emittance of the MICE Muon Beam as a function of muon-beam momentum. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1810.13224v3-abstract-full').style.display = 'none'; document.getElementById('1810.13224v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 26 March, 2019; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 31 October, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2018. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1809.02261">arXiv:1809.02261</a> <span> [<a href="https://arxiv.org/pdf/1809.02261">pdf</a>, <a href="https://arxiv.org/format/1809.02261">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/PhysRevLett.121.241805">10.1103/PhysRevLett.121.241805 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of electron antineutrino oscillation with 1958 days of operation at Daya Bay </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Daya+Bay+Collaboration"> Daya Bay Collaboration</a>, <a href="/search/physics?searchtype=author&query=Adey%2C+D">D. Adey</a>, <a href="/search/physics?searchtype=author&query=An%2C+F+P">F. P. An</a>, <a href="/search/physics?searchtype=author&query=Balantekin%2C+A+B">A. B. Balantekin</a>, <a href="/search/physics?searchtype=author&query=Band%2C+H+R">H. R. Band</a>, <a href="/search/physics?searchtype=author&query=Bishai%2C+M">M. Bishai</a>, <a href="/search/physics?searchtype=author&query=Blyth%2C+S">S. Blyth</a>, <a href="/search/physics?searchtype=author&query=Cao%2C+D">D. Cao</a>, <a href="/search/physics?searchtype=author&query=Cao%2C+G+F">G. F. Cao</a>, <a href="/search/physics?searchtype=author&query=Cao%2C+J">J. Cao</a>, <a href="/search/physics?searchtype=author&query=Chan%2C+Y+L">Y. L. Chan</a>, <a href="/search/physics?searchtype=author&query=Chang%2C+J+F">J. F. Chang</a>, <a href="/search/physics?searchtype=author&query=Chang%2C+Y">Y. Chang</a>, <a href="/search/physics?searchtype=author&query=Chen%2C+H+S">H. S. Chen</a>, <a href="/search/physics?searchtype=author&query=Chen%2C+S+M">S. M. Chen</a>, <a href="/search/physics?searchtype=author&query=Chen%2C+Y">Y. Chen</a>, <a href="/search/physics?searchtype=author&query=Chen%2C+Y+X">Y. X. Chen</a>, <a href="/search/physics?searchtype=author&query=Cheng%2C+J">J. Cheng</a>, <a href="/search/physics?searchtype=author&query=Cheng%2C+Z+K">Z. K. Cheng</a>, <a href="/search/physics?searchtype=author&query=Cherwinka%2C+J+J">J. J. Cherwinka</a>, <a href="/search/physics?searchtype=author&query=Chu%2C+M+C">M. C. Chu</a>, <a href="/search/physics?searchtype=author&query=Chukanov%2C+A">A. Chukanov</a>, <a href="/search/physics?searchtype=author&query=Cummings%2C+J+P">J. P. Cummings</a>, <a href="/search/physics?searchtype=author&query=Deng%2C+F+S">F. S. Deng</a>, <a href="/search/physics?searchtype=author&query=Ding%2C+Y+Y">Y. Y. Ding</a> , et al. (180 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="1809.02261v5-abstract-short" style="display: inline;"> We report a measurement of electron antineutrino oscillation from the Daya Bay Reactor Neutrino Experiment with nearly 4 million reactor $\overline谓_{e}$ inverse beta decay candidates observed over 1958 days of data collection. The installation of a Flash-ADC readout system and a special calibration campaign using different source enclosures reduce uncertainties in the absolute energy calibration… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1809.02261v5-abstract-full').style.display = 'inline'; document.getElementById('1809.02261v5-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1809.02261v5-abstract-full" style="display: none;"> We report a measurement of electron antineutrino oscillation from the Daya Bay Reactor Neutrino Experiment with nearly 4 million reactor $\overline谓_{e}$ inverse beta decay candidates observed over 1958 days of data collection. The installation of a Flash-ADC readout system and a special calibration campaign using different source enclosures reduce uncertainties in the absolute energy calibration to less than 0.5% for visible energies larger than 2 MeV. The uncertainty in the cosmogenic $^9$Li and $^8$He background is reduced from 45% to 30% in the near detectors. A detailed investigation of the spent nuclear fuel history improves its uncertainty from 100% to 30%. Analysis of the relative $\overline谓_{e}$ rates and energy spectra among detectors yields $\sin^{2}2胃_{13} = 0.0856\pm 0.0029$ and $螖m^2_{32}=(2.471^{+0.068}_{-0.070})\times 10^{-3}~\mathrm{eV}^2$ assuming the normal hierarchy, and $螖m^2_{32}=-(2.575^{+0.068}_{-0.070})\times 10^{-3}~\mathrm{eV}^2$ assuming the inverted hierarchy. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1809.02261v5-abstract-full').style.display = 'none'; document.getElementById('1809.02261v5-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 19 December, 2018; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 6 September, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2018. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">6 pages, 4 figures, and 1 table. v4: the published version</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 121, 241805 (2018) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1808.10836">arXiv:1808.10836</a> <span> [<a href="https://arxiv.org/pdf/1808.10836">pdf</a>, <a href="https://arxiv.org/format/1808.10836">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.100.052004">10.1103/PhysRevD.100.052004 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Improved Measurement of the Reactor Antineutrino Flux at Daya Bay </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Daya+Bay+Collaboration"> Daya Bay Collaboration</a>, <a href="/search/physics?searchtype=author&query=Adey%2C+D">D. Adey</a>, <a href="/search/physics?searchtype=author&query=An%2C+F+P">F. P. An</a>, <a href="/search/physics?searchtype=author&query=Balantekin%2C+A+B">A. B. Balantekin</a>, <a href="/search/physics?searchtype=author&query=Band%2C+H+R">H. R. Band</a>, <a href="/search/physics?searchtype=author&query=Bishai%2C+M">M. Bishai</a>, <a href="/search/physics?searchtype=author&query=Blyth%2C+S">S. Blyth</a>, <a href="/search/physics?searchtype=author&query=Cao%2C+D">D. Cao</a>, <a href="/search/physics?searchtype=author&query=Cao%2C+G+F">G. F. Cao</a>, <a href="/search/physics?searchtype=author&query=Cao%2C+J">J. Cao</a>, <a href="/search/physics?searchtype=author&query=Chan%2C+Y+L">Y. L. Chan</a>, <a href="/search/physics?searchtype=author&query=Chang%2C+J+F">J. F. Chang</a>, <a href="/search/physics?searchtype=author&query=Chang%2C+Y">Y. Chang</a>, <a href="/search/physics?searchtype=author&query=Chen%2C+H+S">H. S. Chen</a>, <a href="/search/physics?searchtype=author&query=Chen%2C+S+M">S. M. Chen</a>, <a href="/search/physics?searchtype=author&query=Chen%2C+Y">Y. Chen</a>, <a href="/search/physics?searchtype=author&query=Chen%2C+Y+X">Y. X. Chen</a>, <a href="/search/physics?searchtype=author&query=Cheng%2C+J">J. Cheng</a>, <a href="/search/physics?searchtype=author&query=Cheng%2C+Z+K">Z. K. Cheng</a>, <a href="/search/physics?searchtype=author&query=Cherwinka%2C+J+J">J. J. Cherwinka</a>, <a href="/search/physics?searchtype=author&query=Chu%2C+M+C">M. C. Chu</a>, <a href="/search/physics?searchtype=author&query=Chukanov%2C+A">A. Chukanov</a>, <a href="/search/physics?searchtype=author&query=Cummings%2C+J+P">J. P. Cummings</a>, <a href="/search/physics?searchtype=author&query=Deng%2C+F+S">F. S. Deng</a>, <a href="/search/physics?searchtype=author&query=Ding%2C+Y+Y">Y. Y. Ding</a> , et al. (178 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="1808.10836v1-abstract-short" style="display: inline;"> This work reports a precise measurement of the reactor antineutrino flux using 2.2 million inverse beta decay (IBD) events collected with the Daya Bay near detectors in 1230 days. The dominant uncertainty on the neutron detection efficiency is reduced by 56% with respect to the previous measurement through a comprehensive neutron calibration and detailed data and simulation analysis. The new avera… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1808.10836v1-abstract-full').style.display = 'inline'; document.getElementById('1808.10836v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1808.10836v1-abstract-full" style="display: none;"> This work reports a precise measurement of the reactor antineutrino flux using 2.2 million inverse beta decay (IBD) events collected with the Daya Bay near detectors in 1230 days. The dominant uncertainty on the neutron detection efficiency is reduced by 56% with respect to the previous measurement through a comprehensive neutron calibration and detailed data and simulation analysis. The new average IBD yield is determined to be $(5.91\pm0.09)\times10^{-43}~\rm{cm}^2/\rm{fission}$ with total uncertainty improved by 29%. The corresponding mean fission fractions from the four main fission isotopes $^{235}$U, $^{238}$U, $^{239}$Pu, and $^{241}$Pu are 0.564, 0.076, 0.304, and 0.056, respectively. The ratio of measured to predicted antineutrino yield is found to be $0.952\pm0.014\pm0.023$ ($1.001\pm0.015\pm0.027$) for the Huber-Mueller (ILL-Vogel) model, where the first and second uncertainty are experimental and theoretical model uncertainty, respectively. This measurement confirms the discrepancy between the world average of reactor antineutrino flux and the Huber-Mueller model. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1808.10836v1-abstract-full').style.display = 'none'; document.getElementById('1808.10836v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 31 August, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2018. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">10 pages, 9 figures, and 2 tables</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 100, 052004 (2019) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1308.6822">arXiv:1308.6822</a> <span> [<a href="https://arxiv.org/pdf/1308.6822">pdf</a>, <a href="https://arxiv.org/format/1308.6822">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> <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"> nuSTORM - Neutrinos from STORed Muons: Proposal to the Fermilab PAC </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Adey%2C+D">D. Adey</a>, <a href="/search/physics?searchtype=author&query=Agarwalla%2C+S+K">S. K. Agarwalla</a>, <a href="/search/physics?searchtype=author&query=Ankenbrandt%2C+C+M">C. M. Ankenbrandt</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">J. J. Back</a>, <a href="/search/physics?searchtype=author&query=Barker%2C+G">G. Barker</a>, <a href="/search/physics?searchtype=author&query=Baussan%2C+E">E. Baussan</a>, <a href="/search/physics?searchtype=author&query=Bayes%2C+R">R. Bayes</a>, <a href="/search/physics?searchtype=author&query=Bhadra%2C+S">S. Bhadra</a>, <a href="/search/physics?searchtype=author&query=Blackmore%2C+V">V. Blackmore</a>, <a href="/search/physics?searchtype=author&query=Blondel%2C+A">A. Blondel</a>, <a href="/search/physics?searchtype=author&query=Bogacz%2C+S+A">S. A. Bogacz</a>, <a href="/search/physics?searchtype=author&query=Booth%2C+C">C. Booth</a>, <a href="/search/physics?searchtype=author&query=Boyd%2C+S+B">S. B. Boyd</a>, <a href="/search/physics?searchtype=author&query=Bravar%2C+A">A. Bravar</a>, <a href="/search/physics?searchtype=author&query=Brice%2C+S+J">S. J. Brice</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=Cease%2C+H">H. Cease</a>, <a href="/search/physics?searchtype=author&query=Cervera%2C+A">A. Cervera</a>, <a href="/search/physics?searchtype=author&query=Cobb%2C+J">J. Cobb</a>, <a href="/search/physics?searchtype=author&query=Colling%2C+D">D. Colling</a>, <a href="/search/physics?searchtype=author&query=Coloma%2C+P">P. Coloma</a>, <a href="/search/physics?searchtype=author&query=Coney%2C+L">L. Coney</a>, <a href="/search/physics?searchtype=author&query=Dobbs%2C+A">A. Dobbs</a> , et al. (88 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1308.6822v1-abstract-short" style="display: inline;"> The nuSTORM facility has been designed to deliver beams of electron neutrinos and muon neutrinos (and their anti-particles) from the decay of a stored muon beam with a central momentum of 3.8 GeV/c and a momentum acceptance of 10%. The facility is unique in that it will: 1. Allow searches for sterile neutrinos of exquisite sensitivity to be carried out; 2. Serve future long- and short-baseline neu… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1308.6822v1-abstract-full').style.display = 'inline'; document.getElementById('1308.6822v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1308.6822v1-abstract-full" style="display: none;"> The nuSTORM facility has been designed to deliver beams of electron neutrinos and muon neutrinos (and their anti-particles) from the decay of a stored muon beam with a central momentum of 3.8 GeV/c and a momentum acceptance of 10%. The facility is unique in that it will: 1. Allow searches for sterile neutrinos of exquisite sensitivity to be carried out; 2. Serve future long- and short-baseline neutrino-oscillation programs by providing definitive measurements of electron neutrino and muon neutrino scattering cross sections off nuclei with percent-level precision; and 3. Constitutes the crucial first step in the development of muon accelerators as a powerful new technique for particle physics. The document describes the facility in detail and demonstrates its physics capabilities. This document was submitted to the Fermilab Physics Advisory Committee in consideration for Stage I approval. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1308.6822v1-abstract-full').style.display = 'none'; document.getElementById('1308.6822v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 31 July, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2013. </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> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1305.1419">arXiv:1305.1419</a> <span> [<a href="https://arxiv.org/pdf/1305.1419">pdf</a>, <a href="https://arxiv.org/format/1305.1419">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> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> Neutrinos from Stored Muons nuSTORM: Expression of Interest </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Adey%2C+D">D. Adey</a>, <a href="/search/physics?searchtype=author&query=Agarwalla%2C+S+K">S. K. Agarwalla</a>, <a href="/search/physics?searchtype=author&query=Ankenbrandt%2C+C+M">C. M. Ankenbrandt</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">J. J. Back</a>, <a href="/search/physics?searchtype=author&query=Barker%2C+G">G. Barker</a>, <a href="/search/physics?searchtype=author&query=Baussan%2C+E">E. Baussan</a>, <a href="/search/physics?searchtype=author&query=Bayes%2C+R">R. Bayes</a>, <a href="/search/physics?searchtype=author&query=Bhadra%2C+S">S. Bhadra</a>, <a href="/search/physics?searchtype=author&query=Blackmore%2C+V">V. Blackmore</a>, <a href="/search/physics?searchtype=author&query=Blondel%2C+A">A. Blondel</a>, <a href="/search/physics?searchtype=author&query=Bogacz%2C+S+A">S. A. Bogacz</a>, <a href="/search/physics?searchtype=author&query=Booth%2C+C">C. Booth</a>, <a href="/search/physics?searchtype=author&query=Boyd%2C+S+B">S. B. Boyd</a>, <a href="/search/physics?searchtype=author&query=Bravar%2C+A">A. Bravar</a>, <a href="/search/physics?searchtype=author&query=Brice%2C+S+J">S. J. Brice</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=Cease%2C+H">H. Cease</a>, <a href="/search/physics?searchtype=author&query=Cervera%2C+A">A. Cervera</a>, <a href="/search/physics?searchtype=author&query=Cobb%2C+J">J. Cobb</a>, <a href="/search/physics?searchtype=author&query=Colling%2C+D">D. Colling</a>, <a href="/search/physics?searchtype=author&query=Coney%2C+L">L. Coney</a>, <a href="/search/physics?searchtype=author&query=Dobbs%2C+A">A. Dobbs</a>, <a href="/search/physics?searchtype=author&query=Dobson%2C+J">J. Dobson</a> , et al. (84 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="1305.1419v1-abstract-short" style="display: inline;"> The nuSTORM facility has been designed to deliver beams of electron and muon neutrinos from the decay of a stored muon beam with a central momentum of 3.8 GeV/c and a momentum spread of 10%. The facility is unique in that it will: serve the future long- and short-baseline neutrino-oscillation programmes by providing definitive measurements of electron-neutrino- and muon-neutrino-nucleus cross sect… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1305.1419v1-abstract-full').style.display = 'inline'; document.getElementById('1305.1419v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1305.1419v1-abstract-full" style="display: none;"> The nuSTORM facility has been designed to deliver beams of electron and muon neutrinos from the decay of a stored muon beam with a central momentum of 3.8 GeV/c and a momentum spread of 10%. The facility is unique in that it will: serve the future long- and short-baseline neutrino-oscillation programmes by providing definitive measurements of electron-neutrino- and muon-neutrino-nucleus cross sections with percent-level precision; allow searches for sterile neutrinos of exquisite sensitivity to be carried out; and constitute the essential first step in the incremental development of muon accelerators as a powerful new technique for particle physics. Of the world's proton-accelerator laboratories, only CERN and FNAL have the infrastructure required to mount nuSTORM. Since no siting decision has yet been taken, the purpose of this Expression of Interest (EoI) is to request the resources required to: investigate in detail how nuSTORM could be implemented at CERN; and develop options for decisive European contributions to the nuSTORM facility and experimental programme wherever the facility is sited. The EoI defines a two-year programme culminating in the delivery of a Technical Design Report. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1305.1419v1-abstract-full').style.display = 'none'; document.getElementById('1305.1419v1-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 May, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 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">59 pages; 24 figures; 5 tables</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> CERN-SPSC-2013-015 / SPSC-EOI-009 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1110.1813">arXiv:1110.1813</a> <span> [<a href="https://arxiv.org/pdf/1110.1813">pdf</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> <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"> MICE: the Muon Ionization Cooling Experiment. Step I: First Measurement of Emittance with Particle Physics Detectors </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Bravar%2C+U">U. Bravar</a>, <a href="/search/physics?searchtype=author&query=Bogomilov%2C+M">M. Bogomilov</a>, <a href="/search/physics?searchtype=author&query=Karadzhov%2C+Y">Y. Karadzhov</a>, <a href="/search/physics?searchtype=author&query=Kolev%2C+D">D. Kolev</a>, <a href="/search/physics?searchtype=author&query=Russinov%2C+I">I. Russinov</a>, <a href="/search/physics?searchtype=author&query=Tsenov%2C+R">R. Tsenov</a>, <a href="/search/physics?searchtype=author&query=Wang%2C+L">L. Wang</a>, <a href="/search/physics?searchtype=author&query=Xu%2C+F+Y">F. Y. Xu</a>, <a href="/search/physics?searchtype=author&query=Zheng%2C+S+X">S. X. Zheng</a>, <a href="/search/physics?searchtype=author&query=Bertoni%2C+R">R. Bertoni</a>, <a href="/search/physics?searchtype=author&query=Bonesini%2C+M">M. Bonesini</a>, <a href="/search/physics?searchtype=author&query=Mazza%2C+R">R. Mazza</a>, <a href="/search/physics?searchtype=author&query=Palladino%2C+V">V. Palladino</a>, <a href="/search/physics?searchtype=author&query=Cecchet%2C+G">G. Cecchet</a>, <a href="/search/physics?searchtype=author&query=de+Bari%2C+A">A. de Bari</a>, <a href="/search/physics?searchtype=author&query=Capponi%2C+M">M. Capponi</a>, <a href="/search/physics?searchtype=author&query=Iaciofano%2C+A">A. Iaciofano</a>, <a href="/search/physics?searchtype=author&query=Orestano%2C+D">D. Orestano</a>, <a href="/search/physics?searchtype=author&query=Pastore%2C+F">F. Pastore</a>, <a href="/search/physics?searchtype=author&query=Tortora%2C+L">L. Tortora</a>, <a href="/search/physics?searchtype=author&query=Ishimoto%2C+S">S. Ishimoto</a>, <a href="/search/physics?searchtype=author&query=Suzuki%2C+S">S. Suzuki</a>, <a href="/search/physics?searchtype=author&query=Yoshimura%2C+K">K. Yoshimura</a>, <a href="/search/physics?searchtype=author&query=Mori%2C+Y">Y. Mori</a>, <a href="/search/physics?searchtype=author&query=Kuno%2C+Y">Y. Kuno</a> , et al. (123 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="1110.1813v2-abstract-short" style="display: inline;"> The Muon Ionization Cooling Experiment (MICE) is a strategic R&D project intended to demonstrate the only practical solution to providing high brilliance beams necessary for a neutrino factory or muon collider. MICE is under development at the Rutherford Appleton Laboratory (RAL) in the United Kingdom. It comprises a dedicated beamline to generate a range of input muon emittances and momenta, with… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1110.1813v2-abstract-full').style.display = 'inline'; document.getElementById('1110.1813v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1110.1813v2-abstract-full" style="display: none;"> The Muon Ionization Cooling Experiment (MICE) is a strategic R&D project intended to demonstrate the only practical solution to providing high brilliance beams necessary for a neutrino factory or muon collider. MICE is under development at the Rutherford Appleton Laboratory (RAL) in the United Kingdom. It comprises a dedicated beamline to generate a range of input muon emittances and momenta, with time-of-flight and Cherenkov detectors to ensure a pure muon beam. The emittance of the incoming beam will be measured in the upstream magnetic spectrometer with a scintillating fiber tracker. A cooling cell will then follow, alternating energy loss in Liquid Hydrogen (LH2) absorbers to RF cavity acceleration. A second spectrometer, identical to the first, and a second muon identification system will measure the outgoing emittance. In the 2010 run at RAL the muon beamline and most detectors were fully commissioned and a first measurement of the emittance of the muon beam with particle physics (time-of-flight) detectors was performed. The analysis of these data was recently completed and is discussed in this paper. Future steps for MICE, where beam emittance and emittance reduction (cooling) are to be measured with greater accuracy, are also presented. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1110.1813v2-abstract-full').style.display = 'none'; document.getElementById('1110.1813v2-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 July, 2013; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 9 October, 2011; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2011. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Proceedings of the DPF-2011 Conference, Providence, RI, August 8-13, 2011</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1005.3491">arXiv:1005.3491</a> <span> [<a href="https://arxiv.org/pdf/1005.3491">pdf</a>, <a href="https://arxiv.org/format/1005.3491">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.nima.2011.04.041">10.1016/j.nima.2011.04.041 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The design, construction and performance of the MICE scintillating fibre trackers </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Ellis%2C+M">M. Ellis</a>, <a href="/search/physics?searchtype=author&query=Hobson%2C+P+R">P. R. Hobson</a>, <a href="/search/physics?searchtype=author&query=Kyberd%2C+P">P. Kyberd</a>, <a href="/search/physics?searchtype=author&query=Nebrensky%2C+J+J">J. J. Nebrensky</a>, <a href="/search/physics?searchtype=author&query=Bross%2C+A">A. Bross</a>, <a href="/search/physics?searchtype=author&query=Fagan%2C+J">J. Fagan</a>, <a href="/search/physics?searchtype=author&query=Fitzpatrick%2C+T">T. Fitzpatrick</a>, <a href="/search/physics?searchtype=author&query=Flores%2C+R">R. Flores</a>, <a href="/search/physics?searchtype=author&query=Kubinski%2C+R">R. Kubinski</a>, <a href="/search/physics?searchtype=author&query=Krider%2C+J">J. Krider</a>, <a href="/search/physics?searchtype=author&query=Rucinski%2C+R">R. Rucinski</a>, <a href="/search/physics?searchtype=author&query=Rubinov%2C+P">P. Rubinov</a>, <a href="/search/physics?searchtype=author&query=Tolian%2C+C">C. Tolian</a>, <a href="/search/physics?searchtype=author&query=Hart%2C+T+L">T. L. Hart</a>, <a href="/search/physics?searchtype=author&query=Kaplan%2C+D+M">D. M. Kaplan</a>, <a href="/search/physics?searchtype=author&query=Luebke%2C+W">W. Luebke</a>, <a href="/search/physics?searchtype=author&query=Freemire%2C+B">B. Freemire</a>, <a href="/search/physics?searchtype=author&query=Wojcik%2C+M">M. Wojcik</a>, <a href="/search/physics?searchtype=author&query=Barber%2C+G">G. Barber</a>, <a href="/search/physics?searchtype=author&query=Clark%2C+D">D. Clark</a>, <a href="/search/physics?searchtype=author&query=Clark%2C+I">I. Clark</a>, <a href="/search/physics?searchtype=author&query=Dornan%2C+P+J">P. J. Dornan</a>, <a href="/search/physics?searchtype=author&query=Fish%2C+A">A. Fish</a>, <a href="/search/physics?searchtype=author&query=Greenwood%2C+S">S. Greenwood</a>, <a href="/search/physics?searchtype=author&query=Hare%2C+R">R. Hare</a> , et al. (27 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="1005.3491v2-abstract-short" style="display: inline;"> Charged-particle tracking in the international Muon Ionisation Cooling Experiment (MICE) will be performed using two solenoidal spectrometers, each instrumented with a tracking detector based on 350 渭m diameter scintillating fibres. The design and construction of the trackers is described along with the quality-assurance procedures, photon-detection system, readout electronics, reconstruction and… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1005.3491v2-abstract-full').style.display = 'inline'; document.getElementById('1005.3491v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1005.3491v2-abstract-full" style="display: none;"> Charged-particle tracking in the international Muon Ionisation Cooling Experiment (MICE) will be performed using two solenoidal spectrometers, each instrumented with a tracking detector based on 350 渭m diameter scintillating fibres. The design and construction of the trackers is described along with the quality-assurance procedures, photon-detection system, readout electronics, reconstruction and simulation software and the data-acquisition system. Finally, the performance of the MICE tracker, determined using cosmic rays, is presented. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1005.3491v2-abstract-full').style.display = 'none'; document.getElementById('1005.3491v2-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 July, 2010; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 19 May, 2010; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2010. </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">43 pages, 38 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 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