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</div> <div class="control"> <button class="button is-small is-link">Go</button> </div> </div> </form> </div> </div> <ol class="breathe-horizontal" start="1"> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2412.04854">arXiv:2412.04854</a> <span> [<a href="https://arxiv.org/pdf/2412.04854">pdf</a>, <a href="https://arxiv.org/format/2412.04854">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> </div> </div> <p class="title is-5 mathjax"> First search for atmospheric millicharged particles with the LUX-ZEPLIN experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Aalbers%2C+J">J. Aalbers</a>, <a href="/search/hep-ex?searchtype=author&query=Akerib%2C+D+S">D. S. Akerib</a>, <a href="/search/hep-ex?searchtype=author&query=Musalhi%2C+A+K+A">A. K. Al Musalhi</a>, <a href="/search/hep-ex?searchtype=author&query=Alder%2C+F">F. Alder</a>, <a href="/search/hep-ex?searchtype=author&query=Amarasinghe%2C+C+S">C. S. Amarasinghe</a>, <a href="/search/hep-ex?searchtype=author&query=Ames%2C+A">A. Ames</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+T+J">T. J. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Angelides%2C+N">N. Angelides</a>, <a href="/search/hep-ex?searchtype=author&query=Ara%C3%BAjo%2C+H+M">H. M. Ara煤jo</a>, <a href="/search/hep-ex?searchtype=author&query=Armstrong%2C+J+E">J. E. Armstrong</a>, <a href="/search/hep-ex?searchtype=author&query=Arthurs%2C+M">M. Arthurs</a>, <a href="/search/hep-ex?searchtype=author&query=Baker%2C+A">A. Baker</a>, <a href="/search/hep-ex?searchtype=author&query=Balashov%2C+S">S. Balashov</a>, <a href="/search/hep-ex?searchtype=author&query=Bang%2C+J">J. Bang</a>, <a href="/search/hep-ex?searchtype=author&query=Bargemann%2C+J+W">J. W. Bargemann</a>, <a href="/search/hep-ex?searchtype=author&query=Barillier%2C+E+E">E. E. Barillier</a>, <a href="/search/hep-ex?searchtype=author&query=Bauer%2C+D">D. Bauer</a>, <a href="/search/hep-ex?searchtype=author&query=Beattie%2C+K">K. Beattie</a>, <a href="/search/hep-ex?searchtype=author&query=Benson%2C+T">T. Benson</a>, <a href="/search/hep-ex?searchtype=author&query=Bhatti%2C+A">A. Bhatti</a>, <a href="/search/hep-ex?searchtype=author&query=Biekert%2C+A">A. Biekert</a>, <a href="/search/hep-ex?searchtype=author&query=Biesiadzinski%2C+T+P">T. P. Biesiadzinski</a>, <a href="/search/hep-ex?searchtype=author&query=Birch%2C+H+J">H. J. Birch</a>, <a href="/search/hep-ex?searchtype=author&query=Bishop%2C+E">E. Bishop</a>, <a href="/search/hep-ex?searchtype=author&query=Blockinger%2C+G+M">G. M. Blockinger</a> , et al. (193 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="2412.04854v2-abstract-short" style="display: inline;"> We report on a search for millicharged particles (mCPs) produced in cosmic ray proton atmospheric interactions using data collected during the first science run of the LUX-ZEPLIN experiment. The mCPs produced by two processes -- meson decay and proton bremsstrahlung -- are considered in this study. This search utilized a novel signature unique to liquid xenon (LXe) time projection chambers (TPCs),… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2412.04854v2-abstract-full').style.display = 'inline'; document.getElementById('2412.04854v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2412.04854v2-abstract-full" style="display: none;"> We report on a search for millicharged particles (mCPs) produced in cosmic ray proton atmospheric interactions using data collected during the first science run of the LUX-ZEPLIN experiment. The mCPs produced by two processes -- meson decay and proton bremsstrahlung -- are considered in this study. This search utilized a novel signature unique to liquid xenon (LXe) time projection chambers (TPCs), allowing sensitivity to mCPs with masses ranging from 10 to 1000 MeV/c$^2$ and fractional charges between 0.001 and 0.02 of the electron charge e. With an exposure of 60 live days and a 5.5 tonne fiducial mass, we observed no significant excess over background. This represents the first experimental search for atmospheric mCPs and the first search for mCPs using an underground LXe experiment. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2412.04854v2-abstract-full').style.display = 'none'; document.getElementById('2412.04854v2-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 December, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 6 December, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2024. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2410.17036">arXiv:2410.17036</a> <span> [<a href="https://arxiv.org/pdf/2410.17036">pdf</a>, <a href="https://arxiv.org/format/2410.17036">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> </div> </div> <p class="title is-5 mathjax"> Dark Matter Search Results from 4.2 Tonne-Years of Exposure of the LUX-ZEPLIN (LZ) Experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Aalbers%2C+J">J. Aalbers</a>, <a href="/search/hep-ex?searchtype=author&query=Akerib%2C+D+S">D. S. Akerib</a>, <a href="/search/hep-ex?searchtype=author&query=Musalhi%2C+A+K+A">A. K. Al Musalhi</a>, <a href="/search/hep-ex?searchtype=author&query=Alder%2C+F">F. Alder</a>, <a href="/search/hep-ex?searchtype=author&query=Amarasinghe%2C+C+S">C. S. Amarasinghe</a>, <a href="/search/hep-ex?searchtype=author&query=Ames%2C+A">A. Ames</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+T+J">T. J. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Angelides%2C+N">N. Angelides</a>, <a href="/search/hep-ex?searchtype=author&query=Ara%C3%BAjo%2C+H+M">H. M. Ara煤jo</a>, <a href="/search/hep-ex?searchtype=author&query=Armstrong%2C+J+E">J. E. Armstrong</a>, <a href="/search/hep-ex?searchtype=author&query=Arthurs%2C+M">M. Arthurs</a>, <a href="/search/hep-ex?searchtype=author&query=Baker%2C+A">A. Baker</a>, <a href="/search/hep-ex?searchtype=author&query=Balashov%2C+S">S. Balashov</a>, <a href="/search/hep-ex?searchtype=author&query=Bang%2C+J">J. Bang</a>, <a href="/search/hep-ex?searchtype=author&query=Bargemann%2C+J+W">J. W. Bargemann</a>, <a href="/search/hep-ex?searchtype=author&query=Barillier%2C+E+E">E. E. Barillier</a>, <a href="/search/hep-ex?searchtype=author&query=Bauer%2C+D">D. Bauer</a>, <a href="/search/hep-ex?searchtype=author&query=Beattie%2C+K">K. Beattie</a>, <a href="/search/hep-ex?searchtype=author&query=Benson%2C+T">T. Benson</a>, <a href="/search/hep-ex?searchtype=author&query=Bhatti%2C+A">A. Bhatti</a>, <a href="/search/hep-ex?searchtype=author&query=Biekert%2C+A">A. Biekert</a>, <a href="/search/hep-ex?searchtype=author&query=Biesiadzinski%2C+T+P">T. P. Biesiadzinski</a>, <a href="/search/hep-ex?searchtype=author&query=Birch%2C+H+J">H. J. Birch</a>, <a href="/search/hep-ex?searchtype=author&query=Bishop%2C+E">E. Bishop</a>, <a href="/search/hep-ex?searchtype=author&query=Blockinger%2C+G+M">G. M. Blockinger</a> , et al. (193 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="2410.17036v2-abstract-short" style="display: inline;"> We report results of a search for nuclear recoils induced by weakly interacting massive particle (WIMP) dark matter using the LUX-ZEPLIN (LZ) two-phase xenon time projection chamber. This analysis uses a total exposure of $4.2\pm0.1$ tonne-years from 280 live days of LZ operation, of which $3.3\pm0.1$ tonne-years and 220 live days are new. A technique to actively tag background electronic recoils… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2410.17036v2-abstract-full').style.display = 'inline'; document.getElementById('2410.17036v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2410.17036v2-abstract-full" style="display: none;"> We report results of a search for nuclear recoils induced by weakly interacting massive particle (WIMP) dark matter using the LUX-ZEPLIN (LZ) two-phase xenon time projection chamber. This analysis uses a total exposure of $4.2\pm0.1$ tonne-years from 280 live days of LZ operation, of which $3.3\pm0.1$ tonne-years and 220 live days are new. A technique to actively tag background electronic recoils from $^{214}$Pb $尾$ decays is featured for the first time. Enhanced electron-ion recombination is observed in two-neutrino double electron capture decays of $^{124}$Xe, representing a noteworthy new background. After removal of artificial signal-like events injected into the data set to mitigate analyzer bias, we find no evidence for an excess over expected backgrounds. World-leading constraints are placed on spin-independent (SI) and spin-dependent WIMP-nucleon cross sections for masses $\geq$9 GeV/$c^2$. The strongest SI exclusion set is $2.1\times10^{-48}$ cm$^{2}$ at the 90% confidence level at a mass of 36 GeV/$c^2$, and the best SI median sensitivity achieved is $5.0\times10^{-48}$ cm$^{2}$ for a mass of 40 GeV/$c^2$. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2410.17036v2-abstract-full').style.display = 'none'; document.getElementById('2410.17036v2-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, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 22 October, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 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">9 pages, 7 figures. See https://www.hepdata.net/record/155182 for a data release related to this paper</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2406.12874">arXiv:2406.12874</a> <span> [<a href="https://arxiv.org/pdf/2406.12874">pdf</a>, <a href="https://arxiv.org/format/2406.12874">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1748-0221/19/08/P08027">10.1088/1748-0221/19/08/P08027 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The Design, Implementation, and Performance of the LZ Calibration Systems </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Aalbers%2C+J">J. Aalbers</a>, <a href="/search/hep-ex?searchtype=author&query=Akerib%2C+D+S">D. S. Akerib</a>, <a href="/search/hep-ex?searchtype=author&query=Musalhi%2C+A+K+A">A. K. Al Musalhi</a>, <a href="/search/hep-ex?searchtype=author&query=Alder%2C+F">F. Alder</a>, <a href="/search/hep-ex?searchtype=author&query=Amarasinghe%2C+C+S">C. S. Amarasinghe</a>, <a href="/search/hep-ex?searchtype=author&query=Ames%2C+A">A. Ames</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+T+J">T. J. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Angelides%2C+N">N. Angelides</a>, <a href="/search/hep-ex?searchtype=author&query=Ara%C3%BAjo%2C+H+M">H. M. Ara煤jo</a>, <a href="/search/hep-ex?searchtype=author&query=Armstrong%2C+J+E">J. E. Armstrong</a>, <a href="/search/hep-ex?searchtype=author&query=Arthurs%2C+M">M. Arthurs</a>, <a href="/search/hep-ex?searchtype=author&query=Baker%2C+A">A. Baker</a>, <a href="/search/hep-ex?searchtype=author&query=Balashov%2C+S">S. Balashov</a>, <a href="/search/hep-ex?searchtype=author&query=Bang%2C+J">J. Bang</a>, <a href="/search/hep-ex?searchtype=author&query=Barillier%2C+E+E">E. E. Barillier</a>, <a href="/search/hep-ex?searchtype=author&query=Bargemann%2C+J+W">J. W. Bargemann</a>, <a href="/search/hep-ex?searchtype=author&query=Beattie%2C+K">K. Beattie</a>, <a href="/search/hep-ex?searchtype=author&query=Benson%2C+T">T. Benson</a>, <a href="/search/hep-ex?searchtype=author&query=Bhatti%2C+A">A. Bhatti</a>, <a href="/search/hep-ex?searchtype=author&query=Biekert%2C+A">A. Biekert</a>, <a href="/search/hep-ex?searchtype=author&query=Biesiadzinski%2C+T+P">T. P. Biesiadzinski</a>, <a href="/search/hep-ex?searchtype=author&query=Birch%2C+H+J">H. J. Birch</a>, <a href="/search/hep-ex?searchtype=author&query=Bishop%2C+E">E. Bishop</a>, <a href="/search/hep-ex?searchtype=author&query=Blockinger%2C+G+M">G. M. Blockinger</a>, <a href="/search/hep-ex?searchtype=author&query=Boxer%2C+B">B. Boxer</a> , et al. (179 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="2406.12874v3-abstract-short" style="display: inline;"> LUX-ZEPLIN (LZ) is a tonne-scale experiment searching for direct dark matter interactions and other rare events. It is located at the Sanford Underground Research Facility (SURF) in Lead, South Dakota, USA. The core of the LZ detector is a dual-phase xenon time projection chamber (TPC), designed with the primary goal of detecting Weakly Interacting Massive Particles (WIMPs) via their induced low e… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2406.12874v3-abstract-full').style.display = 'inline'; document.getElementById('2406.12874v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2406.12874v3-abstract-full" style="display: none;"> LUX-ZEPLIN (LZ) is a tonne-scale experiment searching for direct dark matter interactions and other rare events. It is located at the Sanford Underground Research Facility (SURF) in Lead, South Dakota, USA. The core of the LZ detector is a dual-phase xenon time projection chamber (TPC), designed with the primary goal of detecting Weakly Interacting Massive Particles (WIMPs) via their induced low energy nuclear recoils. Surrounding the TPC, two veto detectors immersed in an ultra-pure water tank enable reducing background events to enhance the discovery potential. Intricate calibration systems are purposely designed to precisely understand the responses of these three detector volumes to various types of particle interactions and to demonstrate LZ's ability to discriminate between signals and backgrounds. In this paper, we present a comprehensive discussion of the key features, requirements, and performance of the LZ calibration systems, which play a crucial role in enabling LZ's WIMP-search and its broad science program. The thorough description of these calibration systems, with an emphasis on their novel aspects, is valuable for future calibration efforts in direct dark matter and other rare-event search experiments. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2406.12874v3-abstract-full').style.display = 'none'; document.getElementById('2406.12874v3-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> 5 September, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 2 May, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> JINST 19 P08027 (2024) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2406.02441">arXiv:2406.02441</a> <span> [<a href="https://arxiv.org/pdf/2406.02441">pdf</a>, <a href="https://arxiv.org/format/2406.02441">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> </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/10.1038/s42005-024-01774-8">10.1038/s42005-024-01774-8 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Probing the Scalar WIMP-Pion Coupling with the first LUX-ZEPLIN data </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Aalbers%2C+J">J. Aalbers</a>, <a href="/search/hep-ex?searchtype=author&query=Akerib%2C+D+S">D. S. Akerib</a>, <a href="/search/hep-ex?searchtype=author&query=Musalhi%2C+A+K+A">A. K. Al Musalhi</a>, <a href="/search/hep-ex?searchtype=author&query=Alder%2C+F">F. Alder</a>, <a href="/search/hep-ex?searchtype=author&query=Amarasinghe%2C+C+S">C. S. Amarasinghe</a>, <a href="/search/hep-ex?searchtype=author&query=Ames%2C+A">A. Ames</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+T+J">T. J. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Angelides%2C+N">N. Angelides</a>, <a href="/search/hep-ex?searchtype=author&query=Ara%C3%BAjo%2C+H+M">H. M. Ara煤jo</a>, <a href="/search/hep-ex?searchtype=author&query=Armstrong%2C+J+E">J. E. Armstrong</a>, <a href="/search/hep-ex?searchtype=author&query=Arthurs%2C+M">M. Arthurs</a>, <a href="/search/hep-ex?searchtype=author&query=Baker%2C+A">A. Baker</a>, <a href="/search/hep-ex?searchtype=author&query=Balashov%2C+S">S. Balashov</a>, <a href="/search/hep-ex?searchtype=author&query=Bang%2C+J">J. Bang</a>, <a href="/search/hep-ex?searchtype=author&query=Barillier%2C+E+E">E. E. Barillier</a>, <a href="/search/hep-ex?searchtype=author&query=Bargemann%2C+J+W">J. W. Bargemann</a>, <a href="/search/hep-ex?searchtype=author&query=Beattie%2C+K">K. Beattie</a>, <a href="/search/hep-ex?searchtype=author&query=Benson%2C+T">T. Benson</a>, <a href="/search/hep-ex?searchtype=author&query=Bhatti%2C+A">A. Bhatti</a>, <a href="/search/hep-ex?searchtype=author&query=Biekert%2C+A">A. Biekert</a>, <a href="/search/hep-ex?searchtype=author&query=Biesiadzinski%2C+T+P">T. P. Biesiadzinski</a>, <a href="/search/hep-ex?searchtype=author&query=Birch%2C+H+J">H. J. Birch</a>, <a href="/search/hep-ex?searchtype=author&query=Bishop%2C+E+J">E. J. Bishop</a>, <a href="/search/hep-ex?searchtype=author&query=Blockinger%2C+G+M">G. M. Blockinger</a>, <a href="/search/hep-ex?searchtype=author&query=Boxer%2C+B">B. Boxer</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="2406.02441v1-abstract-short" style="display: inline;"> Weakly interacting massive particles (WIMPs) may interact with a virtual pion that is exchanged between nucleons. This interaction channel is important to consider in models where the spin-independent isoscalar channel is suppressed. Using data from the first science run of the LUX-ZEPLIN dark matter experiment, containing 60 live days of data in a 5.5~tonne fiducial mass of liquid xenon, we repor… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2406.02441v1-abstract-full').style.display = 'inline'; document.getElementById('2406.02441v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2406.02441v1-abstract-full" style="display: none;"> Weakly interacting massive particles (WIMPs) may interact with a virtual pion that is exchanged between nucleons. This interaction channel is important to consider in models where the spin-independent isoscalar channel is suppressed. Using data from the first science run of the LUX-ZEPLIN dark matter experiment, containing 60 live days of data in a 5.5~tonne fiducial mass of liquid xenon, we report the results on a search for WIMP-pion interactions. We observe no significant excess and set an upper limit of $1.5\times10^{-46}$~cm$^2$ at a 90\% confidence level for a WIMP mass of 33~GeV/c$^2$ for this interaction. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2406.02441v1-abstract-full').style.display = 'none'; document.getElementById('2406.02441v1-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 June, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Commun Phys 7, 292 (2024) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2405.14732">arXiv:2405.14732</a> <span> [<a href="https://arxiv.org/pdf/2405.14732">pdf</a>, <a href="https://arxiv.org/format/2405.14732">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> </div> <p class="title is-5 mathjax"> The Data Acquisition System of the LZ Dark Matter Detector: FADR </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Aalbers%2C+J">J. Aalbers</a>, <a href="/search/hep-ex?searchtype=author&query=Akerib%2C+D+S">D. S. Akerib</a>, <a href="/search/hep-ex?searchtype=author&query=Musalhi%2C+A+K+A">A. K. Al Musalhi</a>, <a href="/search/hep-ex?searchtype=author&query=Alder%2C+F">F. Alder</a>, <a href="/search/hep-ex?searchtype=author&query=Amarasinghe%2C+C+S">C. S. Amarasinghe</a>, <a href="/search/hep-ex?searchtype=author&query=Ames%2C+A">A. Ames</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+T+J">T. J. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Angelides%2C+N">N. Angelides</a>, <a href="/search/hep-ex?searchtype=author&query=Ara%C3%BAjo%2C+H+M">H. M. Ara煤jo</a>, <a href="/search/hep-ex?searchtype=author&query=Armstrong%2C+J+E">J. E. Armstrong</a>, <a href="/search/hep-ex?searchtype=author&query=Arthurs%2C+M">M. Arthurs</a>, <a href="/search/hep-ex?searchtype=author&query=Baker%2C+A">A. Baker</a>, <a href="/search/hep-ex?searchtype=author&query=Balashov%2C+S">S. Balashov</a>, <a href="/search/hep-ex?searchtype=author&query=Bang%2C+J">J. Bang</a>, <a href="/search/hep-ex?searchtype=author&query=Barillier%2C+E+E">E. E. Barillier</a>, <a href="/search/hep-ex?searchtype=author&query=Bargemann%2C+J+W">J. W. Bargemann</a>, <a href="/search/hep-ex?searchtype=author&query=Beattie%2C+K">K. Beattie</a>, <a href="/search/hep-ex?searchtype=author&query=Benson%2C+T">T. Benson</a>, <a href="/search/hep-ex?searchtype=author&query=Bhatti%2C+A">A. Bhatti</a>, <a href="/search/hep-ex?searchtype=author&query=Biekert%2C+A">A. Biekert</a>, <a href="/search/hep-ex?searchtype=author&query=Biesiadzinski%2C+T+P">T. P. Biesiadzinski</a>, <a href="/search/hep-ex?searchtype=author&query=Birch%2C+H+J">H. J. Birch</a>, <a href="/search/hep-ex?searchtype=author&query=Bishop%2C+E">E. Bishop</a>, <a href="/search/hep-ex?searchtype=author&query=Blockinger%2C+G+M">G. M. Blockinger</a>, <a href="/search/hep-ex?searchtype=author&query=Boxer%2C+B">B. Boxer</a> , et al. (191 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="2405.14732v3-abstract-short" style="display: inline;"> The Data Acquisition System (DAQ) for the LUX-ZEPLIN (LZ) dark matter detector is described. The signals from 745 PMTs, distributed across three subsystems, are sampled with 100-MHz 32-channel digitizers (DDC-32s). A basic waveform analysis is carried out on the on-board Field Programmable Gate Arrays (FPGAs) to extract information about the observed scintillation and electroluminescence signals.… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2405.14732v3-abstract-full').style.display = 'inline'; document.getElementById('2405.14732v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2405.14732v3-abstract-full" style="display: none;"> The Data Acquisition System (DAQ) for the LUX-ZEPLIN (LZ) dark matter detector is described. The signals from 745 PMTs, distributed across three subsystems, are sampled with 100-MHz 32-channel digitizers (DDC-32s). A basic waveform analysis is carried out on the on-board Field Programmable Gate Arrays (FPGAs) to extract information about the observed scintillation and electroluminescence signals. This information is used to determine if the digitized waveforms should be preserved for offline analysis. The system is designed around the Kintex-7 FPGA. In addition to digitizing the PMT signals and providing basic event selection in real time, the flexibility provided by the use of FPGAs allows us to monitor the performance of the detector and the DAQ in parallel to normal data acquisition. The hardware and software/firmware of this FPGA-based Architecture for Data acquisition and Realtime monitoring (FADR) are discussed and performance measurements are described. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2405.14732v3-abstract-full').style.display = 'none'; document.getElementById('2405.14732v3-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, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 23 May, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 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">18 pages, 24 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/2404.17666">arXiv:2404.17666</a> <span> [<a href="https://arxiv.org/pdf/2404.17666">pdf</a>, <a href="https://arxiv.org/format/2404.17666">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> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevLett.133.221801">10.1103/PhysRevLett.133.221801 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Constraints On Covariant WIMP-Nucleon Effective Field Theory Interactions from the First Science Run of the LUX-ZEPLIN Experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Aalbers%2C+J">J. Aalbers</a>, <a href="/search/hep-ex?searchtype=author&query=Akerib%2C+D+S">D. S. Akerib</a>, <a href="/search/hep-ex?searchtype=author&query=Musalhi%2C+A+K+A">A. K. Al Musalhi</a>, <a href="/search/hep-ex?searchtype=author&query=Alder%2C+F">F. Alder</a>, <a href="/search/hep-ex?searchtype=author&query=Amarasinghe%2C+C+S">C. S. Amarasinghe</a>, <a href="/search/hep-ex?searchtype=author&query=Ames%2C+A">A. Ames</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+T+J">T. J. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Angelides%2C+N">N. Angelides</a>, <a href="/search/hep-ex?searchtype=author&query=Ara%C3%BAjo%2C+H+M">H. M. Ara煤jo</a>, <a href="/search/hep-ex?searchtype=author&query=Armstrong%2C+J+E">J. E. Armstrong</a>, <a href="/search/hep-ex?searchtype=author&query=Arthurs%2C+M">M. Arthurs</a>, <a href="/search/hep-ex?searchtype=author&query=Baker%2C+A">A. Baker</a>, <a href="/search/hep-ex?searchtype=author&query=Balashov%2C+S">S. Balashov</a>, <a href="/search/hep-ex?searchtype=author&query=Bang%2C+J">J. Bang</a>, <a href="/search/hep-ex?searchtype=author&query=Barillier%2C+E+E">E. E. Barillier</a>, <a href="/search/hep-ex?searchtype=author&query=Bargemann%2C+J+W">J. W. Bargemann</a>, <a href="/search/hep-ex?searchtype=author&query=Beattie%2C+K">K. Beattie</a>, <a href="/search/hep-ex?searchtype=author&query=Benson%2C+T">T. Benson</a>, <a href="/search/hep-ex?searchtype=author&query=Bhatti%2C+A">A. Bhatti</a>, <a href="/search/hep-ex?searchtype=author&query=Biekert%2C+A">A. Biekert</a>, <a href="/search/hep-ex?searchtype=author&query=Biesiadzinski%2C+T+P">T. P. Biesiadzinski</a>, <a href="/search/hep-ex?searchtype=author&query=Birch%2C+H+J">H. J. Birch</a>, <a href="/search/hep-ex?searchtype=author&query=Bishop%2C+E+J">E. J. Bishop</a>, <a href="/search/hep-ex?searchtype=author&query=Blockinger%2C+G+M">G. M. Blockinger</a>, <a href="/search/hep-ex?searchtype=author&query=Boxer%2C+B">B. Boxer</a> , et al. (179 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="2404.17666v1-abstract-short" style="display: inline;"> The first science run of the LUX-ZEPLIN (LZ) experiment, a dual-phase xenon time project chamber operating in the Sanford Underground Research Facility in South Dakota, USA, has reported leading limits on spin-independent WIMP-nucleon interactions and interactions described from a non-relativistic effective field theory (NREFT). Using the same 5.5~t fiducial mass and 60 live days of exposure we re… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2404.17666v1-abstract-full').style.display = 'inline'; document.getElementById('2404.17666v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2404.17666v1-abstract-full" style="display: none;"> The first science run of the LUX-ZEPLIN (LZ) experiment, a dual-phase xenon time project chamber operating in the Sanford Underground Research Facility in South Dakota, USA, has reported leading limits on spin-independent WIMP-nucleon interactions and interactions described from a non-relativistic effective field theory (NREFT). Using the same 5.5~t fiducial mass and 60 live days of exposure we report on the results of a relativistic extension to the NREFT. We present constraints on couplings from covariant interactions arising from the coupling of vector, axial currents, and electric dipole moments of the nucleon to the magnetic and electric dipole moments of the WIMP which cannot be described by recasting previous results described by an NREFT. Using a profile-likelihood ratio analysis, in an energy region between 0~keV$_\text{nr}$ to 270~keV$_\text{nr}$, we report 90% confidence level exclusion limits on the coupling strength of five interactions in both the isoscalar and isovector bases. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2404.17666v1-abstract-full').style.display = 'none'; document.getElementById('2404.17666v1-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 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">7 pages, 4 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 133, 221801 (2024) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2402.08865">arXiv:2402.08865</a> <span> [<a href="https://arxiv.org/pdf/2402.08865">pdf</a>, <a href="https://arxiv.org/format/2402.08865">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Cosmology and Nongalactic Astrophysics">astro-ph.CO</span> </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.109.112010">10.1103/PhysRevD.109.112010 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> New constraints on ultraheavy dark matter from the LZ experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Aalbers%2C+J">J. Aalbers</a>, <a href="/search/hep-ex?searchtype=author&query=Akerib%2C+D+S">D. S. Akerib</a>, <a href="/search/hep-ex?searchtype=author&query=Musalhi%2C+A+K+A">A. K. Al Musalhi</a>, <a href="/search/hep-ex?searchtype=author&query=Amarasinghe%2C+C+S">C. S. Amarasinghe</a>, <a href="/search/hep-ex?searchtype=author&query=Ames%2C+A">A. Ames</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+T+J">T. J. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Angelides%2C+N">N. Angelides</a>, <a href="/search/hep-ex?searchtype=author&query=Ara%C3%BAjo%2C+H+M">H. M. Ara煤jo</a>, <a href="/search/hep-ex?searchtype=author&query=Armstrong%2C+J+E">J. E. Armstrong</a>, <a href="/search/hep-ex?searchtype=author&query=Arthurs%2C+M">M. Arthurs</a>, <a href="/search/hep-ex?searchtype=author&query=Baker%2C+A">A. Baker</a>, <a href="/search/hep-ex?searchtype=author&query=Balashov%2C+S">S. Balashov</a>, <a href="/search/hep-ex?searchtype=author&query=Bang%2C+J">J. Bang</a>, <a href="/search/hep-ex?searchtype=author&query=Bargemann%2C+J+W">J. W. Bargemann</a>, <a href="/search/hep-ex?searchtype=author&query=Baxter%2C+A">A. Baxter</a>, <a href="/search/hep-ex?searchtype=author&query=Beattie%2C+K">K. Beattie</a>, <a href="/search/hep-ex?searchtype=author&query=Benson%2C+T">T. Benson</a>, <a href="/search/hep-ex?searchtype=author&query=Bhatti%2C+A">A. Bhatti</a>, <a href="/search/hep-ex?searchtype=author&query=Biekert%2C+A">A. Biekert</a>, <a href="/search/hep-ex?searchtype=author&query=Biesiadzinski%2C+T+P">T. P. Biesiadzinski</a>, <a href="/search/hep-ex?searchtype=author&query=Birch%2C+H+J">H. J. Birch</a>, <a href="/search/hep-ex?searchtype=author&query=Bishop%2C+E">E. Bishop</a>, <a href="/search/hep-ex?searchtype=author&query=Blockinger%2C+G+M">G. M. Blockinger</a>, <a href="/search/hep-ex?searchtype=author&query=Boxer%2C+B">B. Boxer</a>, <a href="/search/hep-ex?searchtype=author&query=Brew%2C+C+A+J">C. A. J. Brew</a> , et al. (174 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="2402.08865v1-abstract-short" style="display: inline;"> Searches for dark matter with liquid xenon time projection chamber experiments have traditionally focused on the region of the parameter space that is characteristic of weakly interacting massive particles, ranging from a few GeV/$c^2$ to a few TeV/$c^2$. Models of dark matter with a mass much heavier than this are well motivated by early production mechanisms different from the standard thermal f… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2402.08865v1-abstract-full').style.display = 'inline'; document.getElementById('2402.08865v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2402.08865v1-abstract-full" style="display: none;"> Searches for dark matter with liquid xenon time projection chamber experiments have traditionally focused on the region of the parameter space that is characteristic of weakly interacting massive particles, ranging from a few GeV/$c^2$ to a few TeV/$c^2$. Models of dark matter with a mass much heavier than this are well motivated by early production mechanisms different from the standard thermal freeze-out, but they have generally been less explored experimentally. In this work, we present a re-analysis of the first science run (SR1) of the LZ experiment, with an exposure of $0.9$ tonne$\times$year, to search for ultraheavy particle dark matter. The signal topology consists of multiple energy deposits in the active region of the detector forming a straight line, from which the velocity of the incoming particle can be reconstructed on an event-by-event basis. Zero events with this topology were observed after applying the data selection calibrated on a simulated sample of signal-like events. New experimental constraints are derived, which rule out previously unexplored regions of the dark matter parameter space of spin-independent interactions beyond a mass of 10$^{17}$ GeV/$c^2$. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2402.08865v1-abstract-full').style.display = 'none'; document.getElementById('2402.08865v1-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 February, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 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">9 pages, 7 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 109, 112010 (2024) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2312.02030">arXiv:2312.02030</a> <span> [<a href="https://arxiv.org/pdf/2312.02030">pdf</a>, <a href="https://arxiv.org/format/2312.02030">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Cosmology and Nongalactic Astrophysics">astro-ph.CO</span> </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.109.092003">10.1103/PhysRevD.109.092003 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> First Constraints on WIMP-Nucleon Effective Field Theory Couplings in an Extended Energy Region From LUX-ZEPLIN </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=LZ+Collaboration"> LZ Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aalbers%2C+J">J. Aalbers</a>, <a href="/search/hep-ex?searchtype=author&query=Akerib%2C+D+S">D. S. Akerib</a>, <a href="/search/hep-ex?searchtype=author&query=Musalhi%2C+A+K+A">A. K. Al Musalhi</a>, <a href="/search/hep-ex?searchtype=author&query=Alder%2C+F">F. Alder</a>, <a href="/search/hep-ex?searchtype=author&query=Amarasinghe%2C+C+S">C. S. Amarasinghe</a>, <a href="/search/hep-ex?searchtype=author&query=Ames%2C+A">A. Ames</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+T+J">T. J. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Angelides%2C+N">N. Angelides</a>, <a href="/search/hep-ex?searchtype=author&query=Ara%C3%BAjo%2C+H+M">H. M. Ara煤jo</a>, <a href="/search/hep-ex?searchtype=author&query=Armstrong%2C+J+E">J. E. Armstrong</a>, <a href="/search/hep-ex?searchtype=author&query=Arthurs%2C+M">M. Arthurs</a>, <a href="/search/hep-ex?searchtype=author&query=Baker%2C+A">A. Baker</a>, <a href="/search/hep-ex?searchtype=author&query=Balashov%2C+S">S. Balashov</a>, <a href="/search/hep-ex?searchtype=author&query=Bang%2C+J">J. Bang</a>, <a href="/search/hep-ex?searchtype=author&query=Bargemann%2C+J+W">J. W. Bargemann</a>, <a href="/search/hep-ex?searchtype=author&query=Baxter%2C+A">A. Baxter</a>, <a href="/search/hep-ex?searchtype=author&query=Beattie%2C+K">K. Beattie</a>, <a href="/search/hep-ex?searchtype=author&query=Benson%2C+T">T. Benson</a>, <a href="/search/hep-ex?searchtype=author&query=Bhatti%2C+A">A. Bhatti</a>, <a href="/search/hep-ex?searchtype=author&query=Biekert%2C+A">A. Biekert</a>, <a href="/search/hep-ex?searchtype=author&query=Biesiadzinski%2C+T+P">T. P. Biesiadzinski</a>, <a href="/search/hep-ex?searchtype=author&query=Birch%2C+H+J">H. J. Birch</a>, <a href="/search/hep-ex?searchtype=author&query=Bishop%2C+E">E. Bishop</a>, <a href="/search/hep-ex?searchtype=author&query=Blockinger%2C+G+M">G. M. Blockinger</a> , et al. (175 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="2312.02030v2-abstract-short" style="display: inline;"> Following the first science results of the LUX-ZEPLIN (LZ) experiment, a dual-phase xenon time projection chamber operating from the Sanford Underground Research Facility in Lead, South Dakota, USA, we report the initial limits on a model-independent non-relativistic effective field theory describing the complete set of possible interactions of a weakly interacting massive particle (WIMP) with a n… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2312.02030v2-abstract-full').style.display = 'inline'; document.getElementById('2312.02030v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2312.02030v2-abstract-full" style="display: none;"> Following the first science results of the LUX-ZEPLIN (LZ) experiment, a dual-phase xenon time projection chamber operating from the Sanford Underground Research Facility in Lead, South Dakota, USA, we report the initial limits on a model-independent non-relativistic effective field theory describing the complete set of possible interactions of a weakly interacting massive particle (WIMP) with a nucleon. These results utilize the same 5.5 t fiducial mass and 60 live days of exposure collected for the LZ spin-independent and spin-dependent analyses while extending the upper limit of the energy region of interest by a factor of 7.5 to 270 keVnr. No significant excess in this high energy region is observed. Using a profile-likelihood ratio analysis, we report 90% confidence level exclusion limits on the coupling of each individual non-relativistic WIMP-nucleon operator for both elastic and inelastic interactions in the isoscalar and isovector bases. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2312.02030v2-abstract-full').style.display = 'none'; document.getElementById('2312.02030v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 26 February, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 4 December, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 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">17 pages 11 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 109, 092003 (2024) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2307.15753">arXiv:2307.15753</a> <span> [<a href="https://arxiv.org/pdf/2307.15753">pdf</a>, <a href="https://arxiv.org/format/2307.15753">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Cosmology and Nongalactic Astrophysics">astro-ph.CO</span> </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.108.072006">10.1103/PhysRevD.108.072006 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> A search for new physics in low-energy electron recoils from the first LZ exposure </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=The+LZ+Collaboration"> The LZ Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aalbers%2C+J">J. Aalbers</a>, <a href="/search/hep-ex?searchtype=author&query=Akerib%2C+D+S">D. S. Akerib</a>, <a href="/search/hep-ex?searchtype=author&query=Musalhi%2C+A+K+A">A. K. Al Musalhi</a>, <a href="/search/hep-ex?searchtype=author&query=Alder%2C+F">F. Alder</a>, <a href="/search/hep-ex?searchtype=author&query=Amarasinghe%2C+C+S">C. S. Amarasinghe</a>, <a href="/search/hep-ex?searchtype=author&query=Ames%2C+A">A. Ames</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+T+J">T. J. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Angelides%2C+N">N. Angelides</a>, <a href="/search/hep-ex?searchtype=author&query=Ara%C3%BAjo%2C+H+M">H. M. Ara煤jo</a>, <a href="/search/hep-ex?searchtype=author&query=Armstrong%2C+J+E">J. E. Armstrong</a>, <a href="/search/hep-ex?searchtype=author&query=Arthurs%2C+M">M. Arthurs</a>, <a href="/search/hep-ex?searchtype=author&query=Baker%2C+A">A. Baker</a>, <a href="/search/hep-ex?searchtype=author&query=Balashov%2C+S">S. Balashov</a>, <a href="/search/hep-ex?searchtype=author&query=Bang%2C+J">J. Bang</a>, <a href="/search/hep-ex?searchtype=author&query=Bargemann%2C+J+W">J. W. Bargemann</a>, <a href="/search/hep-ex?searchtype=author&query=Baxter%2C+A">A. Baxter</a>, <a href="/search/hep-ex?searchtype=author&query=Beattie%2C+K">K. Beattie</a>, <a href="/search/hep-ex?searchtype=author&query=Beltrame%2C+P">P. Beltrame</a>, <a href="/search/hep-ex?searchtype=author&query=Benson%2C+T">T. Benson</a>, <a href="/search/hep-ex?searchtype=author&query=Bhatti%2C+A">A. Bhatti</a>, <a href="/search/hep-ex?searchtype=author&query=Biekert%2C+A">A. Biekert</a>, <a href="/search/hep-ex?searchtype=author&query=Biesiadzinski%2C+T+P">T. P. Biesiadzinski</a>, <a href="/search/hep-ex?searchtype=author&query=Birch%2C+H+J">H. J. Birch</a>, <a href="/search/hep-ex?searchtype=author&query=Blockinger%2C+G+M">G. M. Blockinger</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="2307.15753v2-abstract-short" style="display: inline;"> The LUX-ZEPLIN (LZ) experiment is a dark matter detector centered on a dual-phase xenon time projection chamber. We report searches for new physics appearing through few-keV-scale electron recoils, using the experiment's first exposure of 60 live days and a fiducial mass of 5.5t. The data are found to be consistent with a background-only hypothesis, and limits are set on models for new physics inc… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2307.15753v2-abstract-full').style.display = 'inline'; document.getElementById('2307.15753v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2307.15753v2-abstract-full" style="display: none;"> The LUX-ZEPLIN (LZ) experiment is a dark matter detector centered on a dual-phase xenon time projection chamber. We report searches for new physics appearing through few-keV-scale electron recoils, using the experiment's first exposure of 60 live days and a fiducial mass of 5.5t. The data are found to be consistent with a background-only hypothesis, and limits are set on models for new physics including solar axion electron coupling, solar neutrino magnetic moment and millicharge, and electron couplings to galactic axion-like particles and hidden photons. Similar limits are set on weakly interacting massive particle (WIMP) dark matter producing signals through ionized atomic states from the Migdal effect. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2307.15753v2-abstract-full').style.display = 'none'; document.getElementById('2307.15753v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 9 September, 2023; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 28 July, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 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">13 pages, 10 figures. See https://tinyurl.com/LZDataReleaseRun1ER for a data release related to this paper</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 108, 072006 (2023) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2211.17120">arXiv:2211.17120</a> <span> [<a href="https://arxiv.org/pdf/2211.17120">pdf</a>, <a href="https://arxiv.org/format/2211.17120">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.108.012010">10.1103/PhysRevD.108.012010 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Background Determination for the LUX-ZEPLIN (LZ) Dark Matter Experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Aalbers%2C+J">J. Aalbers</a>, <a href="/search/hep-ex?searchtype=author&query=Akerib%2C+D+S">D. S. Akerib</a>, <a href="/search/hep-ex?searchtype=author&query=Musalhi%2C+A+K+A">A. K. Al Musalhi</a>, <a href="/search/hep-ex?searchtype=author&query=Alder%2C+F">F. Alder</a>, <a href="/search/hep-ex?searchtype=author&query=Alsum%2C+S+K">S. K. Alsum</a>, <a href="/search/hep-ex?searchtype=author&query=Amarasinghe%2C+C+S">C. S. Amarasinghe</a>, <a href="/search/hep-ex?searchtype=author&query=Ames%2C+A">A. Ames</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+T+J">T. J. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Angelides%2C+N">N. Angelides</a>, <a href="/search/hep-ex?searchtype=author&query=Ara%C3%BAjo%2C+H+M">H. M. Ara煤jo</a>, <a href="/search/hep-ex?searchtype=author&query=Armstrong%2C+J+E">J. E. Armstrong</a>, <a href="/search/hep-ex?searchtype=author&query=Arthurs%2C+M">M. Arthurs</a>, <a href="/search/hep-ex?searchtype=author&query=Baker%2C+A">A. Baker</a>, <a href="/search/hep-ex?searchtype=author&query=Bang%2C+J">J. Bang</a>, <a href="/search/hep-ex?searchtype=author&query=Bargemann%2C+J+W">J. W. Bargemann</a>, <a href="/search/hep-ex?searchtype=author&query=Baxter%2C+A">A. Baxter</a>, <a href="/search/hep-ex?searchtype=author&query=Beattie%2C+K">K. Beattie</a>, <a href="/search/hep-ex?searchtype=author&query=Beltrame%2C+P">P. Beltrame</a>, <a href="/search/hep-ex?searchtype=author&query=Bernard%2C+E+P">E. P. Bernard</a>, <a href="/search/hep-ex?searchtype=author&query=Bhatti%2C+A">A. Bhatti</a>, <a href="/search/hep-ex?searchtype=author&query=Biekert%2C+A">A. Biekert</a>, <a href="/search/hep-ex?searchtype=author&query=Biesiadzinski%2C+T+P">T. P. Biesiadzinski</a>, <a href="/search/hep-ex?searchtype=author&query=Birch%2C+H+J">H. J. Birch</a>, <a href="/search/hep-ex?searchtype=author&query=Blockinger%2C+G+M">G. M. Blockinger</a>, <a href="/search/hep-ex?searchtype=author&query=Boxer%2C+B">B. Boxer</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="2211.17120v2-abstract-short" style="display: inline;"> The LUX-ZEPLIN experiment recently reported limits on WIMP-nucleus interactions from its initial science run, down to $9.2\times10^{-48}$ cm$^2$ for the spin-independent interaction of a 36 GeV/c$^2$ WIMP at 90% confidence level. In this paper, we present a comprehensive analysis of the backgrounds important for this result and for other upcoming physics analyses, including neutrinoless double-bet… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2211.17120v2-abstract-full').style.display = 'inline'; document.getElementById('2211.17120v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2211.17120v2-abstract-full" style="display: none;"> The LUX-ZEPLIN experiment recently reported limits on WIMP-nucleus interactions from its initial science run, down to $9.2\times10^{-48}$ cm$^2$ for the spin-independent interaction of a 36 GeV/c$^2$ WIMP at 90% confidence level. In this paper, we present a comprehensive analysis of the backgrounds important for this result and for other upcoming physics analyses, including neutrinoless double-beta decay searches and effective field theory interpretations of LUX-ZEPLIN data. We confirm that the in-situ determinations of bulk and fixed radioactive backgrounds are consistent with expectations from the ex-situ assays. The observed background rate after WIMP search criteria were applied was $(6.3\pm0.5)\times10^{-5}$ events/keV$_{ee}$/kg/day in the low-energy region, approximately 60 times lower than the equivalent rate reported by the LUX experiment. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2211.17120v2-abstract-full').style.display = 'none'; document.getElementById('2211.17120v2-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 July, 2023; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 30 November, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 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">25 pages, 15 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 108, 012010 (2023) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2207.03764">arXiv:2207.03764</a> <span> [<a href="https://arxiv.org/pdf/2207.03764">pdf</a>, <a href="https://arxiv.org/format/2207.03764">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Cosmology and Nongalactic Astrophysics">astro-ph.CO</span> </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.131.041002">10.1103/PhysRevLett.131.041002 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> First Dark Matter Search Results from the LUX-ZEPLIN (LZ) Experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Aalbers%2C+J">J. Aalbers</a>, <a href="/search/hep-ex?searchtype=author&query=Akerib%2C+D+S">D. S. Akerib</a>, <a href="/search/hep-ex?searchtype=author&query=Akerlof%2C+C+W">C. W. Akerlof</a>, <a href="/search/hep-ex?searchtype=author&query=Musalhi%2C+A+K+A">A. K. Al Musalhi</a>, <a href="/search/hep-ex?searchtype=author&query=Alder%2C+F">F. Alder</a>, <a href="/search/hep-ex?searchtype=author&query=Alqahtani%2C+A">A. Alqahtani</a>, <a href="/search/hep-ex?searchtype=author&query=Alsum%2C+S+K">S. K. Alsum</a>, <a href="/search/hep-ex?searchtype=author&query=Amarasinghe%2C+C+S">C. S. Amarasinghe</a>, <a href="/search/hep-ex?searchtype=author&query=Ames%2C+A">A. Ames</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+T+J">T. J. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Angelides%2C+N">N. Angelides</a>, <a href="/search/hep-ex?searchtype=author&query=Ara%C3%BAjo%2C+H+M">H. M. Ara煤jo</a>, <a href="/search/hep-ex?searchtype=author&query=Armstrong%2C+J+E">J. E. Armstrong</a>, <a href="/search/hep-ex?searchtype=author&query=Arthurs%2C+M">M. Arthurs</a>, <a href="/search/hep-ex?searchtype=author&query=Azadi%2C+S">S. Azadi</a>, <a href="/search/hep-ex?searchtype=author&query=Bailey%2C+A+J">A. J. Bailey</a>, <a href="/search/hep-ex?searchtype=author&query=Baker%2C+A">A. Baker</a>, <a href="/search/hep-ex?searchtype=author&query=Balajthy%2C+J">J. Balajthy</a>, <a href="/search/hep-ex?searchtype=author&query=Balashov%2C+S">S. Balashov</a>, <a href="/search/hep-ex?searchtype=author&query=Bang%2C+J">J. Bang</a>, <a href="/search/hep-ex?searchtype=author&query=Bargemann%2C+J+W">J. W. Bargemann</a>, <a href="/search/hep-ex?searchtype=author&query=Barry%2C+M+J">M. J. Barry</a>, <a href="/search/hep-ex?searchtype=author&query=Barthel%2C+J">J. Barthel</a>, <a href="/search/hep-ex?searchtype=author&query=Bauer%2C+D">D. Bauer</a>, <a href="/search/hep-ex?searchtype=author&query=Baxter%2C+A">A. Baxter</a> , et al. (322 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2207.03764v4-abstract-short" style="display: inline;"> The LUX-ZEPLIN experiment is a dark matter detector centered on a dual-phase xenon time projection chamber operating at the Sanford Underground Research Facility in Lead, South Dakota, USA. This Letter reports results from LUX-ZEPLIN's first search for weakly interacting massive particles (WIMPs) with an exposure of 60~live days using a fiducial mass of 5.5 t. A profile-likelihood ratio analysis s… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2207.03764v4-abstract-full').style.display = 'inline'; document.getElementById('2207.03764v4-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2207.03764v4-abstract-full" style="display: none;"> The LUX-ZEPLIN experiment is a dark matter detector centered on a dual-phase xenon time projection chamber operating at the Sanford Underground Research Facility in Lead, South Dakota, USA. This Letter reports results from LUX-ZEPLIN's first search for weakly interacting massive particles (WIMPs) with an exposure of 60~live days using a fiducial mass of 5.5 t. A profile-likelihood ratio analysis shows the data to be consistent with a background-only hypothesis, setting new limits on spin-independent WIMP-nucleon, spin-dependent WIMP-neutron, and spin-dependent WIMP-proton cross sections for WIMP masses above 9 GeV/c$^2$. The most stringent limit is set for spin-independent scattering at 36 GeV/c$^2$, rejecting cross sections above 9.2$\times 10^{-48}$ cm$^2$ at the 90% confidence level. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2207.03764v4-abstract-full').style.display = 'none'; document.getElementById('2207.03764v4-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 2 August, 2023; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 8 July, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">9 pages, 8 figures. See https://doi.org/10.1103/PhysRevLett.131.041002 for a data release related to this paper</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 131, 041002 (2023) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2203.02309">arXiv:2203.02309</a> <span> [<a href="https://arxiv.org/pdf/2203.02309">pdf</a>, <a href="https://arxiv.org/format/2203.02309">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="Cosmology and Nongalactic Astrophysics">astro-ph.CO</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1361-6471/ac841a">10.1088/1361-6471/ac841a <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> A Next-Generation Liquid Xenon Observatory for Dark Matter and Neutrino Physics </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Aalbers%2C+J">J. Aalbers</a>, <a href="/search/hep-ex?searchtype=author&query=Abe%2C+K">K. Abe</a>, <a href="/search/hep-ex?searchtype=author&query=Aerne%2C+V">V. Aerne</a>, <a href="/search/hep-ex?searchtype=author&query=Agostini%2C+F">F. Agostini</a>, <a href="/search/hep-ex?searchtype=author&query=Maouloud%2C+S+A">S. Ahmed Maouloud</a>, <a href="/search/hep-ex?searchtype=author&query=Akerib%2C+D+S">D. S. Akerib</a>, <a href="/search/hep-ex?searchtype=author&query=Akimov%2C+D+Y">D. Yu. Akimov</a>, <a href="/search/hep-ex?searchtype=author&query=Akshat%2C+J">J. Akshat</a>, <a href="/search/hep-ex?searchtype=author&query=Musalhi%2C+A+K+A">A. K. Al Musalhi</a>, <a href="/search/hep-ex?searchtype=author&query=Alder%2C+F">F. Alder</a>, <a href="/search/hep-ex?searchtype=author&query=Alsum%2C+S+K">S. K. Alsum</a>, <a href="/search/hep-ex?searchtype=author&query=Althueser%2C+L">L. Althueser</a>, <a href="/search/hep-ex?searchtype=author&query=Amarasinghe%2C+C+S">C. S. Amarasinghe</a>, <a href="/search/hep-ex?searchtype=author&query=Amaro%2C+F+D">F. D. Amaro</a>, <a href="/search/hep-ex?searchtype=author&query=Ames%2C+A">A. Ames</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+T+J">T. J. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Andrieu%2C+B">B. Andrieu</a>, <a href="/search/hep-ex?searchtype=author&query=Angelides%2C+N">N. Angelides</a>, <a href="/search/hep-ex?searchtype=author&query=Angelino%2C+E">E. Angelino</a>, <a href="/search/hep-ex?searchtype=author&query=Angevaare%2C+J">J. Angevaare</a>, <a href="/search/hep-ex?searchtype=author&query=Antochi%2C+V+C">V. C. Antochi</a>, <a href="/search/hep-ex?searchtype=author&query=Martin%2C+D+A">D. Ant贸n Martin</a>, <a href="/search/hep-ex?searchtype=author&query=Antunovic%2C+B">B. Antunovic</a>, <a href="/search/hep-ex?searchtype=author&query=Aprile%2C+E">E. Aprile</a>, <a href="/search/hep-ex?searchtype=author&query=Ara%C3%BAjo%2C+H+M">H. M. Ara煤jo</a> , et al. (572 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="2203.02309v1-abstract-short" style="display: inline;"> The nature of dark matter and properties of neutrinos are among the most pressing issues in contemporary particle physics. The dual-phase xenon time-projection chamber is the leading technology to cover the available parameter space for Weakly Interacting Massive Particles (WIMPs), while featuring extensive sensitivity to many alternative dark matter candidates. These detectors can also study neut… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.02309v1-abstract-full').style.display = 'inline'; document.getElementById('2203.02309v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2203.02309v1-abstract-full" style="display: none;"> The nature of dark matter and properties of neutrinos are among the most pressing issues in contemporary particle physics. The dual-phase xenon time-projection chamber is the leading technology to cover the available parameter space for Weakly Interacting Massive Particles (WIMPs), while featuring extensive sensitivity to many alternative dark matter candidates. These detectors can also study neutrinos through neutrinoless double-beta decay and through a variety of astrophysical sources. A next-generation xenon-based detector will therefore be a true multi-purpose observatory to significantly advance particle physics, nuclear physics, astrophysics, solar physics, and cosmology. This review article presents the science cases for such a detector. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.02309v1-abstract-full').style.display = 'none'; document.getElementById('2203.02309v1-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">Comments:</span> <span class="has-text-grey-dark mathjax">77 pages, 40 figures, 1262 references</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> INT-PUB-22-003 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> J. Phys. G: Nucl. Part. Phys. 50 (2023) 013001 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2201.02858">arXiv:2201.02858</a> <span> [<a href="https://arxiv.org/pdf/2201.02858">pdf</a>, <a href="https://arxiv.org/format/2201.02858">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Cosmology and Nongalactic Astrophysics">astro-ph.CO</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="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 - 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/10.1103/PhysRevD.105.082004">10.1103/PhysRevD.105.082004 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Cosmogenic production of $^{37}$Ar in the context of the LUX-ZEPLIN experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Aalbers%2C+J">J. Aalbers</a>, <a href="/search/hep-ex?searchtype=author&query=Akerib%2C+D+S">D. S. Akerib</a>, <a href="/search/hep-ex?searchtype=author&query=Musalhi%2C+A+K+A">A. K. Al Musalhi</a>, <a href="/search/hep-ex?searchtype=author&query=Alder%2C+F">F. Alder</a>, <a href="/search/hep-ex?searchtype=author&query=Alsum%2C+S+K">S. K. Alsum</a>, <a href="/search/hep-ex?searchtype=author&query=Amarasinghe%2C+C+S">C. S. Amarasinghe</a>, <a href="/search/hep-ex?searchtype=author&query=Ames%2C+A">A. Ames</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+T+J">T. J. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Angelides%2C+N">N. Angelides</a>, <a href="/search/hep-ex?searchtype=author&query=Ara%C3%BAjo%2C+H+M">H. M. Ara煤jo</a>, <a href="/search/hep-ex?searchtype=author&query=Armstrong%2C+J+E">J. E. Armstrong</a>, <a href="/search/hep-ex?searchtype=author&query=Arthurs%2C+M">M. Arthurs</a>, <a href="/search/hep-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/hep-ex?searchtype=author&query=Baker%2C+A">A. Baker</a>, <a href="/search/hep-ex?searchtype=author&query=Balajthy%2C+J">J. Balajthy</a>, <a href="/search/hep-ex?searchtype=author&query=Balashov%2C+S">S. Balashov</a>, <a href="/search/hep-ex?searchtype=author&query=Bang%2C+J">J. Bang</a>, <a href="/search/hep-ex?searchtype=author&query=Bargemann%2C+J+W">J. W. Bargemann</a>, <a href="/search/hep-ex?searchtype=author&query=Bauer%2C+D">D. Bauer</a>, <a href="/search/hep-ex?searchtype=author&query=Baxter%2C+A">A. Baxter</a>, <a href="/search/hep-ex?searchtype=author&query=Beattie%2C+K">K. Beattie</a>, <a href="/search/hep-ex?searchtype=author&query=Bernard%2C+E+P">E. P. Bernard</a>, <a href="/search/hep-ex?searchtype=author&query=Bhatti%2C+A">A. Bhatti</a>, <a href="/search/hep-ex?searchtype=author&query=Biekert%2C+A">A. Biekert</a>, <a href="/search/hep-ex?searchtype=author&query=Biesiadzinski%2C+T+P">T. P. Biesiadzinski</a> , et al. (183 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="2201.02858v2-abstract-short" style="display: inline;"> We estimate the amount of $^{37}$Ar produced in natural xenon via cosmic ray-induced spallation, an inevitable consequence of the transportation and storage of xenon on the Earth's surface. We then calculate the resulting $^{37}$Ar concentration in a 10-tonne payload~(similar to that of the LUX-ZEPLIN experiment) assuming a representative schedule of xenon purification, storage and delivery to the… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2201.02858v2-abstract-full').style.display = 'inline'; document.getElementById('2201.02858v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2201.02858v2-abstract-full" style="display: none;"> We estimate the amount of $^{37}$Ar produced in natural xenon via cosmic ray-induced spallation, an inevitable consequence of the transportation and storage of xenon on the Earth's surface. We then calculate the resulting $^{37}$Ar concentration in a 10-tonne payload~(similar to that of the LUX-ZEPLIN experiment) assuming a representative schedule of xenon purification, storage and delivery to the underground facility. Using the spallation model by Silberberg and Tsao, the sea level production rate of $^{37}$Ar in natural xenon is estimated to be 0.024~atoms/kg/day. Assuming the xenon is successively purified to remove radioactive contaminants in 1-tonne batches at a rate of 1~tonne/month, the average $^{37}$Ar activity after 10~tonnes are purified and transported underground is 0.058--0.090~$渭$Bq/kg, depending on the degree of argon removal during above-ground purification. Such cosmogenic $^{37}$Ar will appear as a noticeable background in the early science data, while decaying with a 35~day half-life. This newly-noticed production mechanism of $^{37}$Ar should be considered when planning for future liquid xenon-based experiments. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2201.02858v2-abstract-full').style.display = 'none'; document.getElementById('2201.02858v2-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 March, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 8 January, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2022. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2102.11740">arXiv:2102.11740</a> <span> [<a href="https://arxiv.org/pdf/2102.11740">pdf</a>, <a href="https://arxiv.org/format/2102.11740">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Cosmology and Nongalactic Astrophysics">astro-ph.CO</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy 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/10.1103/PhysRevD.104.092009">10.1103/PhysRevD.104.092009 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Projected sensitivities of the LUX-ZEPLIN (LZ) experiment to new physics via low-energy electron recoils </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=The+LZ+Collaboration"> The LZ Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Akerib%2C+D+S">D. S. Akerib</a>, <a href="/search/hep-ex?searchtype=author&query=Musalhi%2C+A+K+A">A. K. Al Musalhi</a>, <a href="/search/hep-ex?searchtype=author&query=Alsum%2C+S+K">S. K. Alsum</a>, <a href="/search/hep-ex?searchtype=author&query=Amarasinghe%2C+C+S">C. S. Amarasinghe</a>, <a href="/search/hep-ex?searchtype=author&query=Ames%2C+A">A. Ames</a>, <a href="/search/hep-ex?searchtype=author&query=Anderson%2C+T+J">T. J. Anderson</a>, <a href="/search/hep-ex?searchtype=author&query=Angelides%2C+N">N. Angelides</a>, <a href="/search/hep-ex?searchtype=author&query=Ara%C3%BAjo%2C+H+M">H. M. Ara煤jo</a>, <a href="/search/hep-ex?searchtype=author&query=Armstrong%2C+J+E">J. E. Armstrong</a>, <a href="/search/hep-ex?searchtype=author&query=Arthurs%2C+M">M. Arthurs</a>, <a href="/search/hep-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/hep-ex?searchtype=author&query=Balajthy%2C+J">J. Balajthy</a>, <a href="/search/hep-ex?searchtype=author&query=Balashov%2C+S">S. Balashov</a>, <a href="/search/hep-ex?searchtype=author&query=Bang%2C+J">J. Bang</a>, <a href="/search/hep-ex?searchtype=author&query=Bargemann%2C+J+W">J. W. Bargemann</a>, <a href="/search/hep-ex?searchtype=author&query=Bauer%2C+D">D. Bauer</a>, <a href="/search/hep-ex?searchtype=author&query=Baxter%2C+A">A. Baxter</a>, <a href="/search/hep-ex?searchtype=author&query=Beltrame%2C+P">P. Beltrame</a>, <a href="/search/hep-ex?searchtype=author&query=Bernard%2C+E+P">E. P. Bernard</a>, <a href="/search/hep-ex?searchtype=author&query=Bernstein%2C+A">A. Bernstein</a>, <a href="/search/hep-ex?searchtype=author&query=Bhatti%2C+A">A. Bhatti</a>, <a href="/search/hep-ex?searchtype=author&query=Biekert%2C+A">A. Biekert</a>, <a href="/search/hep-ex?searchtype=author&query=Biesiadzinski%2C+T+P">T. P. Biesiadzinski</a>, <a href="/search/hep-ex?searchtype=author&query=Birch%2C+H+J">H. J. Birch</a> , et al. (172 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="2102.11740v2-abstract-short" style="display: inline;"> LUX-ZEPLIN (LZ) is a dark matter detector expected to obtain world-leading sensitivity to weakly interacting massive particles (WIMPs) interacting via nuclear recoils with a ~7-tonne xenon target mass. This manuscript presents sensitivity projections to several low-energy signals of the complementary electron recoil signal type: 1) an effective neutrino magnetic moment and 2) an effective neutrino… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2102.11740v2-abstract-full').style.display = 'inline'; document.getElementById('2102.11740v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2102.11740v2-abstract-full" style="display: none;"> LUX-ZEPLIN (LZ) is a dark matter detector expected to obtain world-leading sensitivity to weakly interacting massive particles (WIMPs) interacting via nuclear recoils with a ~7-tonne xenon target mass. This manuscript presents sensitivity projections to several low-energy signals of the complementary electron recoil signal type: 1) an effective neutrino magnetic moment and 2) an effective neutrino millicharge, both for pp-chain solar neutrinos, 3) an axion flux generated by the Sun, 4) axion-like particles forming the galactic dark matter, 5) hidden photons, 6) mirror dark matter, and 7) leptophilic dark matter. World-leading sensitivities are expected in each case, a result of the large 5.6t 1000d exposure and low expected rate of electron recoil backgrounds in the $<$100keV energy regime. A consistent signal generation, background model and profile-likelihood analysis framework is used throughout. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2102.11740v2-abstract-full').style.display = 'none'; document.getElementById('2102.11740v2-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 May, 2021; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 23 February, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 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">v2 updates exclusion sensitivities from single-sided to two-sided</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2007.00528">arXiv:2007.00528</a> <span> [<a href="https://arxiv.org/pdf/2007.00528">pdf</a>, <a href="https://arxiv.org/ps/2007.00528">ps</a>, <a href="https://arxiv.org/format/2007.00528">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.103.012002">10.1103/PhysRevD.103.012002 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Investigating the XENON1T Low-Energy Electronic Recoil Excess Using NEST </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Szydagis%2C+M">M. Szydagis</a>, <a href="/search/hep-ex?searchtype=author&query=Levy%2C+C">C. Levy</a>, <a href="/search/hep-ex?searchtype=author&query=Blockinger%2C+G+M">G. M. Blockinger</a>, <a href="/search/hep-ex?searchtype=author&query=Kamaha%2C+A">A. Kamaha</a>, <a href="/search/hep-ex?searchtype=author&query=Parveen%2C+N">N. Parveen</a>, <a href="/search/hep-ex?searchtype=author&query=Rischbieter%2C+G+R+C">G. R. C. Rischbieter</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="2007.00528v4-abstract-short" style="display: inline;"> The search for dark matter, the missing mass of the Universe, is one of the most active fields of study within particle physics. The XENON1T experiment recently observed a 3.5$蟽$ excess potentially consistent with dark matter, or with solar axions. Here, we will use the Noble Element Simulation Technique (NEST) software to simulate the XENON1T detector, reproducing the excess. We utilize different… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2007.00528v4-abstract-full').style.display = 'inline'; document.getElementById('2007.00528v4-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2007.00528v4-abstract-full" style="display: none;"> The search for dark matter, the missing mass of the Universe, is one of the most active fields of study within particle physics. The XENON1T experiment recently observed a 3.5$蟽$ excess potentially consistent with dark matter, or with solar axions. Here, we will use the Noble Element Simulation Technique (NEST) software to simulate the XENON1T detector, reproducing the excess. We utilize different detector efficiency and energy reconstruction models, but they primarily impact sub-keV energies and cannot explain the XENON1T excess. However, using NEST, we can reproduce their excess in multiple, unique ways, most easily via the addition of 31$\pm$11 $^{37}Ar$ decays. Furthermore, this results in new, modified background models, reducing the significance of the excess to $\le2.2蟽$ at least using non-Profile Likelihood Ratio (PLR) methods. This is independent confirmation that the excess is a real effect, but potentially explicable by known physics. Many cross-checks of our $^{37}Ar$ hypothesis are presented. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2007.00528v4-abstract-full').style.display = 'none'; document.getElementById('2007.00528v4-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 11 January, 2021; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 1 July, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 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">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. D 103, 012002 (2021) </p> </li> </ol> <div class="is-hidden-tablet">  <span class="help" style="display: inline-block;"><a href="https://github.com/arXiv/arxiv-search/releases">Search v0.5.6 released 2020-02-24</a>  </span> </div> </div> </main> <footer> <div class="columns is-desktop" role="navigation" aria-label="Secondary">  <div class="column"> <div class="columns"> <div class="column"> <ul class="nav-spaced"> <li><a href="https://info.arxiv.org/about">About</a></li> <li><a href="https://info.arxiv.org/help">Help</a></li> </ul> </div> <div class="column"> <ul class="nav-spaced"> <li> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><title>contact arXiv</title><desc>Click here to contact arXiv</desc><path d="M502.3 190.8c3.9-3.1 9.7-.2 9.7 4.7V400c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V195.6c0-5 5.7-7.8 9.7-4.7 22.4 17.4 52.1 39.5 154.1 113.6 21.1 15.4 56.7 47.8 92.2 47.6 35.7.3 72-32.8 92.3-47.6 102-74.1 131.6-96.3 154-113.7zM256 320c23.2.4 56.6-29.2 73.4-41.4 132.7-96.3 142.8-104.7 173.4-128.7 5.8-4.5 9.2-11.5 9.2-18.9v-19c0-26.5-21.5-48-48-48H48C21.5 64 0 85.5 0 112v19c0 7.4 3.4 14.3 9.2 18.9 30.6 23.9 40.7 32.4 173.4 128.7 16.8 12.2 50.2 41.8 73.4 41.4z"/></svg> <a href="https://info.arxiv.org/help/contact.html"> Contact</a> </li> <li> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><title>subscribe to arXiv mailings</title><desc>Click here to subscribe</desc><path d="M476 3.2L12.5 270.6c-18.1 10.4-15.8 35.6 2.2 43.2L121 358.4l287.3-253.2c5.5-4.9 13.3 2.6 8.6 8.3L176 407v80.5c0 23.6 28.5 32.9 42.5 15.8L282 426l124.6 52.2c14.2 6 30.4-2.9 33-18.2l72-432C515 7.8 493.3-6.8 476 3.2z"/></svg> <a href="https://info.arxiv.org/help/subscribe"> Subscribe</a> </li> </ul> </div> </div> </div>   <div class="column"> <div class="columns"> <div class="column"> <ul class="nav-spaced"> <li><a href="https://info.arxiv.org/help/license/index.html">Copyright</a></li> <li><a href="https://info.arxiv.org/help/policies/privacy_policy.html">Privacy Policy</a></li> </ul> </div> <div class="column sorry-app-links"> <ul class="nav-spaced"> <li><a href="https://info.arxiv.org/help/web_accessibility.html">Web Accessibility Assistance</a></li> <li> <p class="help"> <a class="a11y-main-link" href="https://status.arxiv.org" target="_blank">arXiv Operational Status <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 256 512" class="icon filter-dark_grey" role="presentation"><path d="M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z"/></svg></a><br> Get status notifications via <a class="is-link" href="https://subscribe.sorryapp.com/24846f03/email/new" target="_blank"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><path d="M502.3 190.8c3.9-3.1 9.7-.2 9.7 4.7V400c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V195.6c0-5 5.7-7.8 9.7-4.7 22.4 17.4 52.1 39.5 154.1 113.6 21.1 15.4 56.7 47.8 92.2 47.6 35.7.3 72-32.8 92.3-47.6 102-74.1 131.6-96.3 154-113.7zM256 320c23.2.4 56.6-29.2 73.4-41.4 132.7-96.3 142.8-104.7 173.4-128.7 5.8-4.5 9.2-11.5 9.2-18.9v-19c0-26.5-21.5-48-48-48H48C21.5 64 0 85.5 0 112v19c0 7.4 3.4 14.3 9.2 18.9 30.6 23.9 40.7 32.4 173.4 128.7 16.8 12.2 50.2 41.8 73.4 41.4z"/></svg>email</a> or <a class="is-link" href="https://subscribe.sorryapp.com/24846f03/slack/new" target="_blank"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512" class="icon filter-black" role="presentation"><path d="M94.12 315.1c0 25.9-21.16 47.06-47.06 47.06S0 341 0 315.1c0-25.9 21.16-47.06 47.06-47.06h47.06v47.06zm23.72 0c0-25.9 21.16-47.06 47.06-47.06s47.06 21.16 47.06 47.06v117.84c0 25.9-21.16 47.06-47.06 47.06s-47.06-21.16-47.06-47.06V315.1zm47.06-188.98c-25.9 0-47.06-21.16-47.06-47.06S139 32 164.9 32s47.06 21.16 47.06 47.06v47.06H164.9zm0 23.72c25.9 0 47.06 21.16 47.06 47.06s-21.16 47.06-47.06 47.06H47.06C21.16 243.96 0 222.8 0 196.9s21.16-47.06 47.06-47.06H164.9zm188.98 47.06c0-25.9 21.16-47.06 47.06-47.06 25.9 0 47.06 21.16 47.06 47.06s-21.16 47.06-47.06 47.06h-47.06V196.9zm-23.72 0c0 25.9-21.16 47.06-47.06 47.06-25.9 0-47.06-21.16-47.06-47.06V79.06c0-25.9 21.16-47.06 47.06-47.06 25.9 0 47.06 21.16 47.06 47.06V196.9zM283.1 385.88c25.9 0 47.06 21.16 47.06 47.06 0 25.9-21.16 47.06-47.06 47.06-25.9 0-47.06-21.16-47.06-47.06v-47.06h47.06zm0-23.72c-25.9 0-47.06-21.16-47.06-47.06 0-25.9 21.16-47.06 47.06-47.06h117.84c25.9 0 47.06 21.16 47.06 47.06 0 25.9-21.16 47.06-47.06 47.06H283.1z"/></svg>slack</a> </p> </li> </ul> </div> </div> </div>  </div> </footer> <script src="https://static.arxiv.org/static/base/1.0.0a5/js/member_acknowledgement.js"></script> </body> </html>

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