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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/2410.19016">arXiv:2410.19016</a> <span> [<a href="https://arxiv.org/pdf/2410.19016">pdf</a>, <a href="https://arxiv.org/format/2410.19016">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> </div> <p class="title is-5 mathjax"> Neutrinoless Double Beta Decay Sensitivity of the XLZD Rare Event Observatory </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=XLZD+Collaboration"> XLZD Collaboration</a>, <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=Adrover%2C+M">M. Adrover</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=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=Althueser%2C+L">L. Althueser</a>, <a href="/search/hep-ex?searchtype=author&query=Amaral%2C+D+W+P">D. W. P. Amaral</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=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=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>, <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=Babicz%2C+M">M. Babicz</a>, <a href="/search/hep-ex?searchtype=author&query=Bajpai%2C+D">D. Bajpai</a>, <a href="/search/hep-ex?searchtype=author&query=Baker%2C+A">A. Baker</a>, <a href="/search/hep-ex?searchtype=author&query=Balzer%2C+M">M. Balzer</a>, <a href="/search/hep-ex?searchtype=author&query=Bang%2C+J">J. Bang</a> , et al. (419 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="2410.19016v1-abstract-short" style="display: inline;"> The XLZD collaboration is developing a two-phase xenon time projection chamber with an active mass of 60 to 80 t capable of probing the remaining WIMP-nucleon interaction parameter space down to the so-called neutrino fog. In this work we show that, based on the performance of currently operating detectors using the same technology and a realistic reduction of radioactivity in detector materials,… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2410.19016v1-abstract-full').style.display = 'inline'; document.getElementById('2410.19016v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2410.19016v1-abstract-full" style="display: none;"> The XLZD collaboration is developing a two-phase xenon time projection chamber with an active mass of 60 to 80 t capable of probing the remaining WIMP-nucleon interaction parameter space down to the so-called neutrino fog. In this work we show that, based on the performance of currently operating detectors using the same technology and a realistic reduction of radioactivity in detector materials, such an experiment will also be able to competitively search for neutrinoless double beta decay in $^{136}$Xe using a natural-abundance xenon target. XLZD can reach a 3$蟽$ discovery potential half-life of 5.7$\times$10$^{27}$ yr (and a 90% CL exclusion of 1.3$\times$10$^{28}$ yr) with 10 years of data taking, corresponding to a Majorana mass range of 7.3-31.3 meV (4.8-20.5 meV). XLZD will thus exclude the inverted neutrino mass ordering parameter space and will start to probe the normal ordering region for most of the nuclear matrix elements commonly considered by the community. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2410.19016v1-abstract-full').style.display = 'none'; document.getElementById('2410.19016v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 23 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">29 pages, 7 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/2410.17137">arXiv:2410.17137</a> <span> [<a href="https://arxiv.org/pdf/2410.17137">pdf</a>, <a href="https://arxiv.org/format/2410.17137">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> The XLZD Design Book: Towards the 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=XLZD+Collaboration"> XLZD Collaboration</a>, <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=Adrover%2C+M">M. Adrover</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=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=Althueser%2C+L">L. Althueser</a>, <a href="/search/hep-ex?searchtype=author&query=Amaral%2C+D+W+P">D. W. P. Amaral</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=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=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>, <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=Babicz%2C+M">M. Babicz</a>, <a href="/search/hep-ex?searchtype=author&query=Bajpai%2C+D">D. Bajpai</a>, <a href="/search/hep-ex?searchtype=author&query=Baker%2C+A">A. Baker</a>, <a href="/search/hep-ex?searchtype=author&query=Balzer%2C+M">M. Balzer</a>, <a href="/search/hep-ex?searchtype=author&query=Bang%2C+J">J. Bang</a> , et al. (419 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="2410.17137v1-abstract-short" style="display: inline;"> This report describes the experimental strategy and technologies for a next-generation xenon observatory sensitive to dark matter and neutrino physics. The detector will have an active liquid xenon target mass of 60-80 tonnes and is proposed by the XENON-LUX-ZEPLIN-DARWIN (XLZD) collaboration. The design is based on the mature liquid xenon time projection chamber technology of the current-generati… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2410.17137v1-abstract-full').style.display = 'inline'; document.getElementById('2410.17137v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2410.17137v1-abstract-full" style="display: none;"> This report describes the experimental strategy and technologies for a next-generation xenon observatory sensitive to dark matter and neutrino physics. The detector will have an active liquid xenon target mass of 60-80 tonnes and is proposed by the XENON-LUX-ZEPLIN-DARWIN (XLZD) collaboration. The design is based on the mature liquid xenon time projection chamber technology of the current-generation experiments, LZ and XENONnT. A baseline design and opportunities for further optimization of the individual detector components are discussed. The experiment envisaged here has the capability to explore parameter space for Weakly Interacting Massive Particle (WIMP) dark matter down to the neutrino fog, with a 3$蟽$ evidence potential for the spin-independent WIMP-nucleon cross sections as low as $3\times10^{-49}\rm cm^2$ (at 40 GeV/c$^2$ WIMP mass). The observatory is also projected to have a 3$蟽$ observation potential of neutrinoless double-beta decay of $^{136}$Xe at a half-life of up to $5.7\times 10^{27}$ years. Additionally, it is sensitive to astrophysical neutrinos from the atmosphere, sun, and galactic supernovae. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2410.17137v1-abstract-full').style.display = 'none'; document.getElementById('2410.17137v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 22 October, 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">32 pages, 14 figures</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/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/2110.14878">arXiv:2110.14878</a> <span> [<a href="https://arxiv.org/pdf/2110.14878">pdf</a>, <a href="https://arxiv.org/format/2110.14878">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"> A novel measurement of initial-state gluon radiation in hadron collisions using Drell-Yan events </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=CDF+Collaboration"> CDF Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aaltonen%2C+T">T. Aaltonen</a>, <a href="/search/hep-ex?searchtype=author&query=Amerio%2C+S">S. Amerio</a>, <a href="/search/hep-ex?searchtype=author&query=Amidei%2C+D">D. Amidei</a>, <a href="/search/hep-ex?searchtype=author&query=Anastassov%2C+A">A. Anastassov</a>, <a href="/search/hep-ex?searchtype=author&query=Annovi%2C+A">A. Annovi</a>, <a href="/search/hep-ex?searchtype=author&query=Antos%2C+J">J. Antos</a>, <a href="/search/hep-ex?searchtype=author&query=Apollinari%2C+G">G. Apollinari</a>, <a href="/search/hep-ex?searchtype=author&query=Appel%2C+J+A">J. A. Appel</a>, <a href="/search/hep-ex?searchtype=author&query=Arisawa%2C+T">T. Arisawa</a>, <a href="/search/hep-ex?searchtype=author&query=Artikov%2C+A">A. Artikov</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashmanskas%2C+W">W. Ashmanskas</a>, <a href="/search/hep-ex?searchtype=author&query=Auerbach%2C+B">B. Auerbach</a>, <a href="/search/hep-ex?searchtype=author&query=Aurisano%2C+A">A. Aurisano</a>, <a href="/search/hep-ex?searchtype=author&query=Azfar%2C+F">F. Azfar</a>, <a href="/search/hep-ex?searchtype=author&query=Badgett%2C+W">W. Badgett</a>, <a href="/search/hep-ex?searchtype=author&query=Bae%2C+T">T. Bae</a>, <a href="/search/hep-ex?searchtype=author&query=Barbaro-Galtieri%2C+A">A. Barbaro-Galtieri</a>, <a href="/search/hep-ex?searchtype=author&query=Barnes%2C+V+E">V. E. Barnes</a>, <a href="/search/hep-ex?searchtype=author&query=Barnett%2C+B+A">B. A. Barnett</a>, <a href="/search/hep-ex?searchtype=author&query=Barria%2C+P">P. Barria</a>, <a href="/search/hep-ex?searchtype=author&query=Bartos%2C+P">P. Bartos</a>, <a href="/search/hep-ex?searchtype=author&query=Bauce%2C+M">M. Bauce</a>, <a href="/search/hep-ex?searchtype=author&query=Bedeschi%2C+F">F. Bedeschi</a> , et al. (375 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2110.14878v2-abstract-short" style="display: inline;"> A study of initial-state gluon radiation (ISR) in hadron collisions is presented using Drell-Yan (DY) events produced in proton-antiproton collisions by the Tevatron collider at a center-of-mass energy of 1.96 TeV. This paper adopts a novel approach which uses the mean value of the Z/$纬^*$ transverse momentum $<p_T^{DY}>$ in DY events as a powerful observable to characterize the effect of ISR. In… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2110.14878v2-abstract-full').style.display = 'inline'; document.getElementById('2110.14878v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2110.14878v2-abstract-full" style="display: none;"> A study of initial-state gluon radiation (ISR) in hadron collisions is presented using Drell-Yan (DY) events produced in proton-antiproton collisions by the Tevatron collider at a center-of-mass energy of 1.96 TeV. This paper adopts a novel approach which uses the mean value of the Z/$纬^*$ transverse momentum $<p_T^{DY}>$ in DY events as a powerful observable to characterize the effect of ISR. In a data sample corresponding to an integrated luminosity of 9.4 fb$^{-1}$ collected with the CDF Run II detector, $<p_T^{DY}>$ is measured as a function of the Z/$纬^*$ invariant mass. It is found that these two observables have a dependence, $<p_T^{DY}> = -8 + 2.2 \ln m_{DY}^2$ [GeV/c], where $m_{DY}$ is the value of the Z/$纬^*$ mass measured in units of GeV/$c^2$. This linear dependence is observed for the first time in this analysis. It may be exploited to model the effect of ISR and constrain its impact in other processes. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2110.14878v2-abstract-full').style.display = 'none'; document.getElementById('2110.14878v2-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> 28 October, 2021; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 28 October, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2021. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">14 pages, 14 figures</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2107.04678">arXiv:2107.04678</a> <span> [<a href="https://arxiv.org/pdf/2107.04678">pdf</a>, <a href="https://arxiv.org/format/2107.04678">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"> Measurement of the charge asymmetry of electrons from the decays of $W$ bosons produced in $p\bar{p}$ collisions at $\sqrt{s}=1.96$ TeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=CDF+Collaboration"> CDF Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aaltonen%2C+T">T. Aaltonen</a>, <a href="/search/hep-ex?searchtype=author&query=Amerio%2C+S">S. Amerio</a>, <a href="/search/hep-ex?searchtype=author&query=Amidei%2C+D">D. Amidei</a>, <a href="/search/hep-ex?searchtype=author&query=Anastassov%2C+A">A. Anastassov</a>, <a href="/search/hep-ex?searchtype=author&query=Annovi%2C+A">A. Annovi</a>, <a href="/search/hep-ex?searchtype=author&query=Antos%2C+J">J. Antos</a>, <a href="/search/hep-ex?searchtype=author&query=Apollinari%2C+G">G. Apollinari</a>, <a href="/search/hep-ex?searchtype=author&query=Appel%2C+J+A">J. A. Appel</a>, <a href="/search/hep-ex?searchtype=author&query=Arisawa%2C+T">T. Arisawa</a>, <a href="/search/hep-ex?searchtype=author&query=Artikov%2C+A">A. Artikov</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashmanskas%2C+W">W. Ashmanskas</a>, <a href="/search/hep-ex?searchtype=author&query=Auerbach%2C+B">B. Auerbach</a>, <a href="/search/hep-ex?searchtype=author&query=Aurisano%2C+A">A. Aurisano</a>, <a href="/search/hep-ex?searchtype=author&query=Azfar%2C+F">F. Azfar</a>, <a href="/search/hep-ex?searchtype=author&query=Badgett%2C+W">W. Badgett</a>, <a href="/search/hep-ex?searchtype=author&query=Bae%2C+T">T. Bae</a>, <a href="/search/hep-ex?searchtype=author&query=Barbaro-Galtieri%2C+A">A. Barbaro-Galtieri</a>, <a href="/search/hep-ex?searchtype=author&query=Barnes%2C+V+E">V. E. Barnes</a>, <a href="/search/hep-ex?searchtype=author&query=Barnett%2C+B+A">B. A. Barnett</a>, <a href="/search/hep-ex?searchtype=author&query=Barria%2C+P">P. Barria</a>, <a href="/search/hep-ex?searchtype=author&query=Bartos%2C+P">P. Bartos</a>, <a href="/search/hep-ex?searchtype=author&query=Bauce%2C+M">M. Bauce</a>, <a href="/search/hep-ex?searchtype=author&query=Bedeschi%2C+F">F. Bedeschi</a> , et al. (376 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="2107.04678v2-abstract-short" style="display: inline;"> At the Fermilab Tevatron proton-antiproton ($p\bar{p}$) collider, high-mass electron-neutrino ($e谓$) pairs are produced predominantly in the process $p \bar{p} \rightarrow W(\rightarrow e谓) + X$. The asymmetry of the electron and positron yield as a function of their pseudorapidity constrain the slope of the ratio of the $u$- to $d$-quark parton distributions versus the fraction of the proton mome… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2107.04678v2-abstract-full').style.display = 'inline'; document.getElementById('2107.04678v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2107.04678v2-abstract-full" style="display: none;"> At the Fermilab Tevatron proton-antiproton ($p\bar{p}$) collider, high-mass electron-neutrino ($e谓$) pairs are produced predominantly in the process $p \bar{p} \rightarrow W(\rightarrow e谓) + X$. The asymmetry of the electron and positron yield as a function of their pseudorapidity constrain the slope of the ratio of the $u$- to $d$-quark parton distributions versus the fraction of the proton momentum carried by the quarks. This paper reports on the measurement of the electron-charge asymmetry using the full data set recorded by the Collider Detector at Fermilab in 2001--2011 and corresponding to 9.1~fb$^{-1}$ of integrated luminosity. The measurement significantly improves the precision of the Tevatron constraints on the parton-distribution functions of the proton. Numerical tables of the measurement are provided. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2107.04678v2-abstract-full').style.display = 'none'; document.getElementById('2107.04678v2-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 November, 2021; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 9 July, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 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, 25 figures. To be published in PRD</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-21-293-E </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/2006.02506">arXiv:2006.02506</a> <span> [<a href="https://arxiv.org/pdf/2006.02506">pdf</a>, <a href="https://arxiv.org/format/2006.02506">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1140/epjc/s10052-020-8420-x">10.1140/epjc/s10052-020-8420-x <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The LUX-ZEPLIN (LZ) radioactivity and cleanliness control programs </p> <p class="authors"> <span class="search-hit">Authors:</span> <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=Akimov%2C+D+Y">D. Yu. Akimov</a>, <a href="/search/hep-ex?searchtype=author&query=Alquahtani%2C+A">A. Alquahtani</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=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=Arbuckle%2C+A">A. Arbuckle</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=Auyeung%2C+H">H. Auyeung</a>, <a href="/search/hep-ex?searchtype=author&query=Aviles%2C+S">S. Aviles</a>, <a href="/search/hep-ex?searchtype=author&query=Bai%2C+X">X. Bai</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=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=Barry%2C+M+J">M. J. Barry</a>, <a href="/search/hep-ex?searchtype=author&query=Bauer%2C+D">D. Bauer</a>, <a href="/search/hep-ex?searchtype=author&query=Bauer%2C+P">P. Bauer</a>, <a href="/search/hep-ex?searchtype=author&query=Baxter%2C+A">A. Baxter</a>, <a href="/search/hep-ex?searchtype=author&query=Belle%2C+J">J. Belle</a>, <a href="/search/hep-ex?searchtype=author&query=Beltrame%2C+P">P. Beltrame</a>, <a href="/search/hep-ex?searchtype=author&query=Bensinger%2C+J">J. Bensinger</a> , et al. (365 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="2006.02506v3-abstract-short" style="display: inline;"> LUX-ZEPLIN (LZ) is a second-generation direct dark matter experiment with spin-independent WIMP-nucleon scattering sensitivity above $1.4 \times 10^{-48}$ cm$^{2}$ for a WIMP mass of 40 GeV/c$^{2}$ and a 1000 d exposure. LZ achieves this sensitivity through a combination of a large 5.6 t fiducial volume, active inner and outer veto systems, and radio-pure construction using materials with inherent… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2006.02506v3-abstract-full').style.display = 'inline'; document.getElementById('2006.02506v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2006.02506v3-abstract-full" style="display: none;"> LUX-ZEPLIN (LZ) is a second-generation direct dark matter experiment with spin-independent WIMP-nucleon scattering sensitivity above $1.4 \times 10^{-48}$ cm$^{2}$ for a WIMP mass of 40 GeV/c$^{2}$ and a 1000 d exposure. LZ achieves this sensitivity through a combination of a large 5.6 t fiducial volume, active inner and outer veto systems, and radio-pure construction using materials with inherently low radioactivity content. The LZ collaboration performed an extensive radioassay campaign over a period of six years to inform material selection for construction and provide an input to the experimental background model against which any possible signal excess may be evaluated. The campaign and its results are described in this paper. We present assays of dust and radon daughters depositing on the surface of components as well as cleanliness controls necessary to maintain background expectations through detector construction and assembly. Finally, examples from the campaign to highlight fixed contaminant radioassays for the LZ photomultiplier tubes, quality control and quality assurance procedures through fabrication, radon emanation measurements of major sub-systems, and bespoke detector systems to assay scintillator are presented. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2006.02506v3-abstract-full').style.display = 'none'; document.getElementById('2006.02506v3-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> 28 February, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 3 June, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 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">45 pages (79 inc. tables), 7 figures, 9 tables</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> The European Physical Journal C, Volume 80, Article number: 1044 (2020) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2001.09363">arXiv:2001.09363</a> <span> [<a href="https://arxiv.org/pdf/2001.09363">pdf</a>, <a href="https://arxiv.org/format/2001.09363">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.astropartphys.2020.102480">10.1016/j.astropartphys.2020.102480 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Simulations of Events 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=Collaboration%2C+T+L">The LUX-ZEPLIN Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=%3A"> :</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=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=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=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=Bensinger%2C+J">J. Bensinger</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>, <a href="/search/hep-ex?searchtype=author&query=Boast%2C+K+E">K. E. Boast</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="2001.09363v2-abstract-short" style="display: inline;"> The LUX-ZEPLIN dark matter search aims to achieve a sensitivity to the WIMP-nucleon spin-independent cross-section down to (1--2)$\times10^{-12}$\,pb at a WIMP mass of 40 GeV/$c^2$. This paper describes the simulations framework that, along with radioactivity measurements, was used to support this projection, and also to provide mock data for validating reconstruction and analysis software. Of par… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2001.09363v2-abstract-full').style.display = 'inline'; document.getElementById('2001.09363v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2001.09363v2-abstract-full" style="display: none;"> The LUX-ZEPLIN dark matter search aims to achieve a sensitivity to the WIMP-nucleon spin-independent cross-section down to (1--2)$\times10^{-12}$\,pb at a WIMP mass of 40 GeV/$c^2$. This paper describes the simulations framework that, along with radioactivity measurements, was used to support this projection, and also to provide mock data for validating reconstruction and analysis software. Of particular note are the event generators, which allow us to model the background radiation, and the detector response physics used in the production of raw signals, which can be converted into digitized waveforms similar to data from the operational detector. Inclusion of the detector response allows us to process simulated data using the same analysis routines as developed to process the experimental data. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2001.09363v2-abstract-full').style.display = 'none'; document.getElementById('2001.09363v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 23 June, 2020; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 25 January, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2020. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">24 pages, 19 figures; Corresponding Authors: A. Cottle, V. Kudryavtsev, D. Woodward</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1910.09124">arXiv:1910.09124</a> <span> [<a href="https://arxiv.org/pdf/1910.09124">pdf</a>, <a href="https://arxiv.org/format/1910.09124">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="Instrumentation and Methods for Astrophysics">astro-ph.IM</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div 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.2019.163047">10.1016/j.nima.2019.163047 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The LUX-ZEPLIN (LZ) Experiment </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=Akerlof%2C+C+W">C. W. Akerlof</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=Alquahtani%2C+A">A. Alquahtani</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=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=Arbuckle%2C+A">A. Arbuckle</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=Auyeung%2C+H">H. Auyeung</a>, <a href="/search/hep-ex?searchtype=author&query=Bai%2C+X">X. Bai</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=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=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=Bauer%2C+P">P. Bauer</a>, <a href="/search/hep-ex?searchtype=author&query=Baxter%2C+A">A. Baxter</a>, <a href="/search/hep-ex?searchtype=author&query=Belle%2C+J">J. Belle</a>, <a href="/search/hep-ex?searchtype=author&query=Beltrame%2C+P">P. Beltrame</a> , et al. (357 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="1910.09124v2-abstract-short" style="display: inline;"> We describe the design and assembly of the LUX-ZEPLIN experiment, a direct detection search for cosmic WIMP dark matter particles. The centerpiece of the experiment is a large liquid xenon time projection chamber sensitive to low energy nuclear recoils. Rejection of backgrounds is enhanced by a Xe skin veto detector and by a liquid scintillator Outer Detector loaded with gadolinium for efficient n… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1910.09124v2-abstract-full').style.display = 'inline'; document.getElementById('1910.09124v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1910.09124v2-abstract-full" style="display: none;"> We describe the design and assembly of the LUX-ZEPLIN experiment, a direct detection search for cosmic WIMP dark matter particles. The centerpiece of the experiment is a large liquid xenon time projection chamber sensitive to low energy nuclear recoils. Rejection of backgrounds is enhanced by a Xe skin veto detector and by a liquid scintillator Outer Detector loaded with gadolinium for efficient neutron capture and tagging. LZ is located in the Davis Cavern at the 4850' level of the Sanford Underground Research Facility in Lead, South Dakota, USA. We describe the major subsystems of the experiment and its key design features and requirements. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1910.09124v2-abstract-full').style.display = 'none'; document.getElementById('1910.09124v2-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, 2019; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 20 October, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2019. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1902.04683">arXiv:1902.04683</a> <span> [<a href="https://arxiv.org/pdf/1902.04683">pdf</a>, <a href="https://arxiv.org/format/1902.04683">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/PhysRevD.99.052001">10.1103/PhysRevD.99.052001 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Search for Higgs-like particles produced in association with bottom quarks in proton-antiproton collisions </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=CDF+Collaboration"> CDF Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aaltonen%2C+T">T. Aaltonen</a>, <a href="/search/hep-ex?searchtype=author&query=Amerio%2C+S">S. Amerio</a>, <a href="/search/hep-ex?searchtype=author&query=Amidei%2C+D">D. Amidei</a>, <a href="/search/hep-ex?searchtype=author&query=Anastassov%2C+A">A. Anastassov</a>, <a href="/search/hep-ex?searchtype=author&query=Annovi%2C+A">A. Annovi</a>, <a href="/search/hep-ex?searchtype=author&query=Antos%2C+J">J. Antos</a>, <a href="/search/hep-ex?searchtype=author&query=Apollinari%2C+G">G. Apollinari</a>, <a href="/search/hep-ex?searchtype=author&query=Appel%2C+J+A">J. A. Appel</a>, <a href="/search/hep-ex?searchtype=author&query=Arisawa%2C+T">T. Arisawa</a>, <a href="/search/hep-ex?searchtype=author&query=Artikov%2C+A">A. Artikov</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashmanskas%2C+W">W. Ashmanskas</a>, <a href="/search/hep-ex?searchtype=author&query=Auerbach%2C+B">B. Auerbach</a>, <a href="/search/hep-ex?searchtype=author&query=Aurisano%2C+A">A. Aurisano</a>, <a href="/search/hep-ex?searchtype=author&query=Azfar%2C+F">F. Azfar</a>, <a href="/search/hep-ex?searchtype=author&query=Badgett%2C+W">W. Badgett</a>, <a href="/search/hep-ex?searchtype=author&query=Bae%2C+T">T. Bae</a>, <a href="/search/hep-ex?searchtype=author&query=Barbaro-Galtieri%2C+A">A. Barbaro-Galtieri</a>, <a href="/search/hep-ex?searchtype=author&query=Barnes%2C+V+E">V. E. Barnes</a>, <a href="/search/hep-ex?searchtype=author&query=Barnett%2C+B+A">B. A. Barnett</a>, <a href="/search/hep-ex?searchtype=author&query=Barria%2C+P">P. Barria</a>, <a href="/search/hep-ex?searchtype=author&query=Bartos%2C+P">P. Bartos</a>, <a href="/search/hep-ex?searchtype=author&query=Bauce%2C+M">M. Bauce</a>, <a href="/search/hep-ex?searchtype=author&query=Bedeschi%2C+F">F. Bedeschi</a> , et al. (374 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="1902.04683v1-abstract-short" style="display: inline;"> We report on a search for a spin-zero non-standard-model particle in proton-antiproton collisions collected by the Collider Detector at Fermilab at a center-of-mass-energy of 1.96 TeV. This particle, the $蠁$ boson, is expected to decay into a bottom-antibottom quark pair and to be produced in association with at least one bottom quark. The data sample consists of events with three jets identified… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1902.04683v1-abstract-full').style.display = 'inline'; document.getElementById('1902.04683v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1902.04683v1-abstract-full" style="display: none;"> We report on a search for a spin-zero non-standard-model particle in proton-antiproton collisions collected by the Collider Detector at Fermilab at a center-of-mass-energy of 1.96 TeV. This particle, the $蠁$ boson, is expected to decay into a bottom-antibottom quark pair and to be produced in association with at least one bottom quark. The data sample consists of events with three jets identified as initiated by bottom quarks and corresponds to $5.4~\text{fb}^{-1}$ of integrated luminosity. In each event, the invariant mass of the two most energetic jets is studied by looking for deviations from the multijet background, which is modeled using data. No evidence is found for such particle. Exclusion upper limits ranging from 20 to 2 pb are set for the product of production cross sections times branching fraction for hypothetical $蠁$ boson with mass between 100 and 300 GeV/$c^2$. These are the most stringent constraints to date. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1902.04683v1-abstract-full').style.display = 'none'; document.getElementById('1902.04683v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 12 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">submitted to PRD</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-19-067-PPD </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 99, 052001 (2019) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1902.01211">arXiv:1902.01211</a> <span> [<a href="https://arxiv.org/pdf/1902.01211">pdf</a>, <a href="https://arxiv.org/format/1902.01211">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</span> </div> </div> <p class="title is-5 mathjax"> A next-generation LHC heavy-ion experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Adamov%C3%A1%2C+D">D. Adamov谩</a>, <a href="/search/hep-ex?searchtype=author&query=Rinella%2C+G+A">G. Aglieri Rinella</a>, <a href="/search/hep-ex?searchtype=author&query=Agnello%2C+M">M. Agnello</a>, <a href="/search/hep-ex?searchtype=author&query=Ahammed%2C+Z">Z. Ahammed</a>, <a href="/search/hep-ex?searchtype=author&query=Aleksandrov%2C+D">D. Aleksandrov</a>, <a href="/search/hep-ex?searchtype=author&query=Alici%2C+A">A. Alici</a>, <a href="/search/hep-ex?searchtype=author&query=Alkin%2C+A">A. Alkin</a>, <a href="/search/hep-ex?searchtype=author&query=Alt%2C+T">T. Alt</a>, <a href="/search/hep-ex?searchtype=author&query=Altsybeev%2C+I">I. Altsybeev</a>, <a href="/search/hep-ex?searchtype=author&query=Andreou%2C+D">D. Andreou</a>, <a href="/search/hep-ex?searchtype=author&query=Andronic%2C+A">A. Andronic</a>, <a href="/search/hep-ex?searchtype=author&query=Antinori%2C+F">F. Antinori</a>, <a href="/search/hep-ex?searchtype=author&query=Antonioli%2C+P">P. Antonioli</a>, <a href="/search/hep-ex?searchtype=author&query=Appelsh%C3%A4user%2C+H">H. Appelsh盲user</a>, <a href="/search/hep-ex?searchtype=author&query=Arnaldi%2C+R">R. Arnaldi</a>, <a href="/search/hep-ex?searchtype=author&query=Arsene%2C+I+C">I. C. Arsene</a>, <a href="/search/hep-ex?searchtype=author&query=Arslandok%2C+M">M. Arslandok</a>, <a href="/search/hep-ex?searchtype=author&query=Averbeck%2C+R">R. Averbeck</a>, <a href="/search/hep-ex?searchtype=author&query=Azmi%2C+M+D">M. D. Azmi</a>, <a href="/search/hep-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/hep-ex?searchtype=author&query=Bailhache%2C+R">R. Bailhache</a>, <a href="/search/hep-ex?searchtype=author&query=Bala%2C+R">R. Bala</a>, <a href="/search/hep-ex?searchtype=author&query=Barioglio%2C+L">L. Barioglio</a>, <a href="/search/hep-ex?searchtype=author&query=Barnaf%C3%B6ldi%2C+G+G">G. G. Barnaf枚ldi</a>, <a href="/search/hep-ex?searchtype=author&query=Barnby%2C+L+S">L. S. Barnby</a> , et al. (374 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="1902.01211v2-abstract-short" style="display: inline;"> The present document discusses plans for a compact, next-generation multi-purpose detector at the LHC as a follow-up to the present ALICE experiment. The aim is to build a nearly massless barrel detector consisting of truly cylindrical layers based on curved wafer-scale ultra-thin silicon sensors with MAPS technology, featuring an unprecedented low material budget of 0.05% X$_0$ per layer, with th… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1902.01211v2-abstract-full').style.display = 'inline'; document.getElementById('1902.01211v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1902.01211v2-abstract-full" style="display: none;"> The present document discusses plans for a compact, next-generation multi-purpose detector at the LHC as a follow-up to the present ALICE experiment. The aim is to build a nearly massless barrel detector consisting of truly cylindrical layers based on curved wafer-scale ultra-thin silicon sensors with MAPS technology, featuring an unprecedented low material budget of 0.05% X$_0$ per layer, with the innermost layers possibly positioned inside the beam pipe. In addition to superior tracking and vertexing capabilities over a wide momentum range down to a few tens of MeV/$c$, the detector will provide particle identification via time-of-flight determination with about 20~ps resolution. In addition, electron and photon identification will be performed in a separate shower detector. The proposed detector is conceived for studies of pp, pA and AA collisions at luminosities a factor of 20 to 50 times higher than possible with the upgraded ALICE detector, enabling a rich physics program ranging from measurements with electromagnetic probes at ultra-low transverse momenta to precision physics in the charm and beauty sector. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1902.01211v2-abstract-full').style.display = 'none'; document.getElementById('1902.01211v2-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 May, 2019; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 31 January, 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">Input to the 2020 Update of the European Particle Physics Strategy</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1808.02335">arXiv:1808.02335</a> <span> [<a href="https://arxiv.org/pdf/1808.02335">pdf</a>, <a href="https://arxiv.org/format/1808.02335">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/PhysRevD.98.112005">10.1103/PhysRevD.98.112005 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of the differential cross sections for $W$-boson production in association with jets in $p\bar{p}$ collisions at $\sqrt{s}=1.96$ TeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=CDF+Collaboration"> CDF Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aaltonen%2C+T">T. Aaltonen</a>, <a href="/search/hep-ex?searchtype=author&query=Amerio%2C+S">S. Amerio</a>, <a href="/search/hep-ex?searchtype=author&query=Amidei%2C+D">D. Amidei</a>, <a href="/search/hep-ex?searchtype=author&query=Anastassov%2C+A">A. Anastassov</a>, <a href="/search/hep-ex?searchtype=author&query=Annovi%2C+A">A. Annovi</a>, <a href="/search/hep-ex?searchtype=author&query=Antos%2C+J">J. Antos</a>, <a href="/search/hep-ex?searchtype=author&query=Apollinari%2C+G">G. Apollinari</a>, <a href="/search/hep-ex?searchtype=author&query=Appel%2C+J+A">J. A. Appel</a>, <a href="/search/hep-ex?searchtype=author&query=Arisawa%2C+T">T. Arisawa</a>, <a href="/search/hep-ex?searchtype=author&query=Artikov%2C+A">A. Artikov</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashmanskas%2C+W">W. Ashmanskas</a>, <a href="/search/hep-ex?searchtype=author&query=Auerbach%2C+B">B. Auerbach</a>, <a href="/search/hep-ex?searchtype=author&query=Aurisano%2C+A">A. Aurisano</a>, <a href="/search/hep-ex?searchtype=author&query=Azfar%2C+F">F. Azfar</a>, <a href="/search/hep-ex?searchtype=author&query=Badgett%2C+W">W. Badgett</a>, <a href="/search/hep-ex?searchtype=author&query=Bae%2C+T">T. Bae</a>, <a href="/search/hep-ex?searchtype=author&query=Barbaro-Galtieri%2C+A">A. Barbaro-Galtieri</a>, <a href="/search/hep-ex?searchtype=author&query=Barnes%2C+V+E">V. E. Barnes</a>, <a href="/search/hep-ex?searchtype=author&query=Barnett%2C+B+A">B. A. Barnett</a>, <a href="/search/hep-ex?searchtype=author&query=Barria%2C+P">P. Barria</a>, <a href="/search/hep-ex?searchtype=author&query=Bartos%2C+P">P. Bartos</a>, <a href="/search/hep-ex?searchtype=author&query=Bauce%2C+M">M. Bauce</a>, <a href="/search/hep-ex?searchtype=author&query=Bedeschi%2C+F">F. Bedeschi</a> , et al. (374 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="1808.02335v1-abstract-short" style="display: inline;"> This paper presents a study of the production of a single $W$ boson in association with one or more jets in proton-antiproton collisions at $\sqrt{s}=1.96$ TeV, using the entire data set collected in 2001-2011 by the Collider Detector at Fermilab at the Tevatron, which corresponds to an integrated luminosity of $9.0$ fb$^{-1}$. The $W$ boson is identified through its leptonic decays into electron… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1808.02335v1-abstract-full').style.display = 'inline'; document.getElementById('1808.02335v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1808.02335v1-abstract-full" style="display: none;"> This paper presents a study of the production of a single $W$ boson in association with one or more jets in proton-antiproton collisions at $\sqrt{s}=1.96$ TeV, using the entire data set collected in 2001-2011 by the Collider Detector at Fermilab at the Tevatron, which corresponds to an integrated luminosity of $9.0$ fb$^{-1}$. The $W$ boson is identified through its leptonic decays into electron and muon. The production cross sections are measured for each leptonic decay mode and combined after testing that the ratio of the $W(\rightarrow 渭谓)+$jets cross section to the $W(\rightarrow e谓)+$jets cross section agrees with the hypothesis of $e$-$渭$ lepton universality. The combination of measured cross sections, differential in the inclusive jet multiplicity ($W+\geqslant N$ jets with $N=1,\,2,\,3, \textrm{or }4$) and in the transverse energy of the leading jet, are compared with theoretical predictions. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1808.02335v1-abstract-full').style.display = 'none'; document.getElementById('1808.02335v1-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 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">submitted to Phys. Rev. D</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-18-371-E </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 98, 112005 (2018) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1807.01363">arXiv:1807.01363</a> <span> [<a href="https://arxiv.org/pdf/1807.01363">pdf</a>, <a href="https://arxiv.org/format/1807.01363">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/PhysRevD.98.072002">10.1103/PhysRevD.98.072002 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Search for standard-model Z and Higgs bosons decaying into a bottom-antibottom quark pair in proton-antiproton collisions at 1.96 TeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=CDF+Collaboration"> CDF Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aaltonen%2C+T">T. Aaltonen</a>, <a href="/search/hep-ex?searchtype=author&query=Amerio%2C+S">S. Amerio</a>, <a href="/search/hep-ex?searchtype=author&query=Amidei%2C+D">D. Amidei</a>, <a href="/search/hep-ex?searchtype=author&query=Anastassov%2C+A">A. Anastassov</a>, <a href="/search/hep-ex?searchtype=author&query=Annovi%2C+A">A. Annovi</a>, <a href="/search/hep-ex?searchtype=author&query=Antos%2C+J">J. Antos</a>, <a href="/search/hep-ex?searchtype=author&query=Apollinari%2C+G">G. Apollinari</a>, <a href="/search/hep-ex?searchtype=author&query=Appel%2C+J+A">J. A. Appel</a>, <a href="/search/hep-ex?searchtype=author&query=Arisawa%2C+T">T. Arisawa</a>, <a href="/search/hep-ex?searchtype=author&query=Artikov%2C+A">A. Artikov</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashmanskas%2C+W">W. Ashmanskas</a>, <a href="/search/hep-ex?searchtype=author&query=Auerbach%2C+B">B. Auerbach</a>, <a href="/search/hep-ex?searchtype=author&query=Aurisano%2C+A">A. Aurisano</a>, <a href="/search/hep-ex?searchtype=author&query=Azfar%2C+F">F. Azfar</a>, <a href="/search/hep-ex?searchtype=author&query=Badgett%2C+W">W. Badgett</a>, <a href="/search/hep-ex?searchtype=author&query=Bae%2C+T">T. Bae</a>, <a href="/search/hep-ex?searchtype=author&query=Barbaro-Galtieri%2C+A">A. Barbaro-Galtieri</a>, <a href="/search/hep-ex?searchtype=author&query=Barnes%2C+V+E">V. E. Barnes</a>, <a href="/search/hep-ex?searchtype=author&query=Barnett%2C+B+A">B. A. Barnett</a>, <a href="/search/hep-ex?searchtype=author&query=Barria%2C+P">P. Barria</a>, <a href="/search/hep-ex?searchtype=author&query=Bartos%2C+P">P. Bartos</a>, <a href="/search/hep-ex?searchtype=author&query=Bauce%2C+M">M. Bauce</a>, <a href="/search/hep-ex?searchtype=author&query=Bedeschi%2C+F">F. Bedeschi</a> , et al. (374 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1807.01363v2-abstract-short" style="display: inline;"> The Collider Detector at Fermilab collected a unique sample of jets originating from bottom-quark fragmentation ($b$-jets) by selecting online proton-antiproton ($p\bar{p}$) collisions with a vertex displaced from the $p\bar{p}$ interaction point, consistent with the decay of a bottom-quark hadron. This data set, collected at a center-of-mass energy of $\sqrt{s}=$1.96 TeV, and corresponding to an… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1807.01363v2-abstract-full').style.display = 'inline'; document.getElementById('1807.01363v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1807.01363v2-abstract-full" style="display: none;"> The Collider Detector at Fermilab collected a unique sample of jets originating from bottom-quark fragmentation ($b$-jets) by selecting online proton-antiproton ($p\bar{p}$) collisions with a vertex displaced from the $p\bar{p}$ interaction point, consistent with the decay of a bottom-quark hadron. This data set, collected at a center-of-mass energy of $\sqrt{s}=$1.96 TeV, and corresponding to an integrated luminosity of $5.4~\rm{fb}^{-1}$, is used to measure the $Z$-boson production cross section times branching ratio into $b\bar{b}$. The number of $Z\rightarrow b\bar{b}$ events is determined by fitting the dijet-mass distribution while constraining the dominant $b$-jet background, originating from QCD multijet events, with data. The result, $蟽(p\bar{p} \rightarrow Z) \times \mathcal{B}(Z \rightarrow b\bar{b})= 1.11\pm 0.08(\text{stat}) \pm 0.14(\text{syst})~\text{nb}$, is the most precise measurement of this process, and is consistent with the standard-model prediction. The data set is also used to search for Higgs-boson production. No significant signal is expected in our data and the first upper limit on the cross section for the inclusive $p\bar p \rightarrow H\rightarrow b\bar b$ process at $\sqrt{s}=$1.96 TeV is set, corresponding to 33 times the expected standard-model cross section, or $蟽= 40.6$ pb, at the 95\% confidence level. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1807.01363v2-abstract-full').style.display = 'none'; document.getElementById('1807.01363v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 18 October, 2018; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 3 July, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2018. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-18-307-E-PPD </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 98, 072002 (2018) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1712.09620">arXiv:1712.09620</a> <span> [<a href="https://arxiv.org/pdf/1712.09620">pdf</a>, <a href="https://arxiv.org/ps/1712.09620">ps</a>, <a href="https://arxiv.org/format/1712.09620">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.120.202006">10.1103/PhysRevLett.120.202006 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> A search for the exotic meson $X(5568)$ with the Collider Detector at Fermilab </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=CDF+Collaboration"> CDF Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aaltonen%2C+T">T. Aaltonen</a>, <a href="/search/hep-ex?searchtype=author&query=Amerio%2C+S">S. Amerio</a>, <a href="/search/hep-ex?searchtype=author&query=Amidei%2C+D">D. Amidei</a>, <a href="/search/hep-ex?searchtype=author&query=Anastassov%2C+A">A. Anastassov</a>, <a href="/search/hep-ex?searchtype=author&query=Annovi%2C+A">A. Annovi</a>, <a href="/search/hep-ex?searchtype=author&query=Antos%2C+J">J. Antos</a>, <a href="/search/hep-ex?searchtype=author&query=Apollinari%2C+G">G. Apollinari</a>, <a href="/search/hep-ex?searchtype=author&query=Appel%2C+J+A">J. A. Appel</a>, <a href="/search/hep-ex?searchtype=author&query=Arisawa%2C+T">T. Arisawa</a>, <a href="/search/hep-ex?searchtype=author&query=Artikov%2C+A">A. Artikov</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashmanskas%2C+W">W. Ashmanskas</a>, <a href="/search/hep-ex?searchtype=author&query=Auerbach%2C+B">B. Auerbach</a>, <a href="/search/hep-ex?searchtype=author&query=Aurisano%2C+A">A. Aurisano</a>, <a href="/search/hep-ex?searchtype=author&query=Azfar%2C+F">F. Azfar</a>, <a href="/search/hep-ex?searchtype=author&query=Badgett%2C+W">W. Badgett</a>, <a href="/search/hep-ex?searchtype=author&query=Bae%2C+T">T. Bae</a>, <a href="/search/hep-ex?searchtype=author&query=Barbaro-Galtieri%2C+A">A. Barbaro-Galtieri</a>, <a href="/search/hep-ex?searchtype=author&query=Barnes%2C+V+E">V. E. Barnes</a>, <a href="/search/hep-ex?searchtype=author&query=Barnett%2C+B+A">B. A. Barnett</a>, <a href="/search/hep-ex?searchtype=author&query=Barria%2C+P">P. Barria</a>, <a href="/search/hep-ex?searchtype=author&query=Bartos%2C+P">P. Bartos</a>, <a href="/search/hep-ex?searchtype=author&query=Bauce%2C+M">M. Bauce</a>, <a href="/search/hep-ex?searchtype=author&query=Bedeschi%2C+F">F. Bedeschi</a> , et al. (373 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="1712.09620v1-abstract-short" style="display: inline;"> A search for the exotic meson $X(5568)$ decaying into the $B^0_s 蟺^{\pm}$ final state is performed using data corresponding to $9.6 \textrm{fb}^{-1}$ from $p{\bar p}$ collisions at $\sqrt{s} = 1960$ GeV recorded by the Collider Detector at Fermilab. No evidence for this state is found and an upper limit of 6.7\% at the 95\% confidence level is set on the fraction of $B^0_s$ produced through the… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1712.09620v1-abstract-full').style.display = 'inline'; document.getElementById('1712.09620v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1712.09620v1-abstract-full" style="display: none;"> A search for the exotic meson $X(5568)$ decaying into the $B^0_s 蟺^{\pm}$ final state is performed using data corresponding to $9.6 \textrm{fb}^{-1}$ from $p{\bar p}$ collisions at $\sqrt{s} = 1960$ GeV recorded by the Collider Detector at Fermilab. No evidence for this state is found and an upper limit of 6.7\% at the 95\% confidence level is set on the fraction of $B^0_s$ produced through the $X(5568) \rightarrow B^0_s \, 蟺^{\pm}$ process. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1712.09620v1-abstract-full').style.display = 'none'; document.getElementById('1712.09620v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 27 December, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2017. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">13 pages, 3 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-FN-1048-E </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 120, 202006 (2018) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1703.00599">arXiv:1703.00599</a> <span> [<a href="https://arxiv.org/pdf/1703.00599">pdf</a>, <a href="https://arxiv.org/format/1703.00599">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/PhysRevD.96.092003">10.1103/PhysRevD.96.092003 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of the inclusive-isolated prompt-photon cross section in $p\bar{p}$ collisions using the full CDF data set </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=CDF+Collaboration"> CDF Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aaltonen%2C+T">T. Aaltonen</a>, <a href="/search/hep-ex?searchtype=author&query=Albrow%2C+M+G">M. G. Albrow</a>, <a href="/search/hep-ex?searchtype=author&query=Amerio%2C+S">S. Amerio</a>, <a href="/search/hep-ex?searchtype=author&query=Amidei%2C+D">D. Amidei</a>, <a href="/search/hep-ex?searchtype=author&query=Anastassov%2C+A">A. Anastassov</a>, <a href="/search/hep-ex?searchtype=author&query=Annovi%2C+A">A. Annovi</a>, <a href="/search/hep-ex?searchtype=author&query=Antos%2C+J">J. Antos</a>, <a href="/search/hep-ex?searchtype=author&query=Apollinari%2C+G">G. Apollinari</a>, <a href="/search/hep-ex?searchtype=author&query=Appel%2C+J+A">J. A. Appel</a>, <a href="/search/hep-ex?searchtype=author&query=Arisawa%2C+T">T. Arisawa</a>, <a href="/search/hep-ex?searchtype=author&query=Artikov%2C+A">A. Artikov</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashmanskas%2C+W">W. Ashmanskas</a>, <a href="/search/hep-ex?searchtype=author&query=Auerbach%2C+B">B. Auerbach</a>, <a href="/search/hep-ex?searchtype=author&query=Aurisano%2C+A">A. Aurisano</a>, <a href="/search/hep-ex?searchtype=author&query=Azfar%2C+F">F. Azfar</a>, <a href="/search/hep-ex?searchtype=author&query=Badgett%2C+W">W. Badgett</a>, <a href="/search/hep-ex?searchtype=author&query=Bae%2C+T">T. Bae</a>, <a href="/search/hep-ex?searchtype=author&query=Barbaro-Galtieri%2C+A">A. Barbaro-Galtieri</a>, <a href="/search/hep-ex?searchtype=author&query=Barnes%2C+V+E">V. E. Barnes</a>, <a href="/search/hep-ex?searchtype=author&query=Barnett%2C+B+A">B. A. Barnett</a>, <a href="/search/hep-ex?searchtype=author&query=Barria%2C+P">P. Barria</a>, <a href="/search/hep-ex?searchtype=author&query=Bartos%2C+P">P. Bartos</a>, <a href="/search/hep-ex?searchtype=author&query=Bauce%2C+M">M. Bauce</a> , et al. (374 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="1703.00599v1-abstract-short" style="display: inline;"> A measurement of the inclusive production cross section of isolated prompt photons in proton-antiproton collisions at center-of-mass energy $\sqrt{s}$=1.96TeV is presented. The results are obtained using the full Run II data sample collected with the Collider Detector at the Fermilab Tevatron, which corresponds to an integrated luminosity of 9.5fb$^{-1}$. The cross section is measured as a functio… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1703.00599v1-abstract-full').style.display = 'inline'; document.getElementById('1703.00599v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1703.00599v1-abstract-full" style="display: none;"> A measurement of the inclusive production cross section of isolated prompt photons in proton-antiproton collisions at center-of-mass energy $\sqrt{s}$=1.96TeV is presented. The results are obtained using the full Run II data sample collected with the Collider Detector at the Fermilab Tevatron, which corresponds to an integrated luminosity of 9.5fb$^{-1}$. The cross section is measured as a function of photon transverse energy, $E_T^纬$, in the range 30$ < E_T^纬 <$500GeV and in the pseudorapidity region $|畏^纬|<$1.0. The results are compared with predictions from parton-shower Monte Carlo models at leading order in quantum chromodynamics (QCD) and from next-to-leading order perturbative QCD calculations. The latter show good agreement with the measured cross section. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1703.00599v1-abstract-full').style.display = 'none'; document.getElementById('1703.00599v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 1 March, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2017. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">submitted to Phys. Rev. D - RC</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-17-053-PPD </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 96, 092003 (2017) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1610.08989">arXiv:1610.08989</a> <span> [<a href="https://arxiv.org/pdf/1610.08989">pdf</a>, <a href="https://arxiv.org/format/1610.08989">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/PhysRevD.95.092006">10.1103/PhysRevD.95.092006 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of the $D^+$-meson production cross section at low transverse momentum in $p\bar{p}$ collisions at $\sqrt{s}=1.96$ TeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=CDF+Collaboration"> CDF Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aaltonen%2C+T">T. Aaltonen</a>, <a href="/search/hep-ex?searchtype=author&query=Amerio%2C+S">S. Amerio</a>, <a href="/search/hep-ex?searchtype=author&query=Amidei%2C+D">D. Amidei</a>, <a href="/search/hep-ex?searchtype=author&query=Anastassov%2C+A">A. Anastassov</a>, <a href="/search/hep-ex?searchtype=author&query=Annovi%2C+A">A. Annovi</a>, <a href="/search/hep-ex?searchtype=author&query=Antos%2C+J">J. Antos</a>, <a href="/search/hep-ex?searchtype=author&query=Apollinari%2C+G">G. Apollinari</a>, <a href="/search/hep-ex?searchtype=author&query=Appel%2C+J+A">J. A. Appel</a>, <a href="/search/hep-ex?searchtype=author&query=Arisawa%2C+T">T. Arisawa</a>, <a href="/search/hep-ex?searchtype=author&query=Artikov%2C+A">A. Artikov</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashmanskas%2C+W">W. Ashmanskas</a>, <a href="/search/hep-ex?searchtype=author&query=Auerbach%2C+B">B. Auerbach</a>, <a href="/search/hep-ex?searchtype=author&query=Aurisano%2C+A">A. Aurisano</a>, <a href="/search/hep-ex?searchtype=author&query=Azfar%2C+F">F. Azfar</a>, <a href="/search/hep-ex?searchtype=author&query=Badgett%2C+W">W. Badgett</a>, <a href="/search/hep-ex?searchtype=author&query=Bae%2C+T">T. Bae</a>, <a href="/search/hep-ex?searchtype=author&query=Barbaro-Galtieri%2C+A">A. Barbaro-Galtieri</a>, <a href="/search/hep-ex?searchtype=author&query=Barnes%2C+V+E">V. E. Barnes</a>, <a href="/search/hep-ex?searchtype=author&query=Barnett%2C+B+A">B. A. Barnett</a>, <a href="/search/hep-ex?searchtype=author&query=Barria%2C+P">P. Barria</a>, <a href="/search/hep-ex?searchtype=author&query=Bartos%2C+P">P. Bartos</a>, <a href="/search/hep-ex?searchtype=author&query=Bauce%2C+M">M. Bauce</a>, <a href="/search/hep-ex?searchtype=author&query=Bedeschi%2C+F">F. Bedeschi</a> , et al. (372 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1610.08989v1-abstract-short" style="display: inline;"> We report on a measurement of the $D^{+}$-meson production cross section as a function of transverse momentum ($p_T$) in proton-antiproton ($p\bar{p}$) collisions at 1.96 TeV center-of-mass energy, using the full data set collected by the Collider Detector at Fermilab in Tevatron Run II and corresponding to 10 fb$^{-1}$ of integrated luminosity. We use $D^{+} \to K^-蟺^+蟺^+$ decays fully reconstruc… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1610.08989v1-abstract-full').style.display = 'inline'; document.getElementById('1610.08989v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1610.08989v1-abstract-full" style="display: none;"> We report on a measurement of the $D^{+}$-meson production cross section as a function of transverse momentum ($p_T$) in proton-antiproton ($p\bar{p}$) collisions at 1.96 TeV center-of-mass energy, using the full data set collected by the Collider Detector at Fermilab in Tevatron Run II and corresponding to 10 fb$^{-1}$ of integrated luminosity. We use $D^{+} \to K^-蟺^+蟺^+$ decays fully reconstructed in the central rapidity region $|y|<1$ with transverse momentum down to 1.5 GeV/$c$, a range previously unexplored in $p\bar{p}$ collisions. Inelastic $p\bar{p}$-scattering events are selected online using minimally-biasing requirements followed by an optimized offline selection. The $K^-蟺^+蟺^+$ mass distribution is used to identify the $D^+$ signal, and the $D^+$ transverse impact-parameter distribution is used to separate prompt production, occurring directly in the hard scattering process, from secondary production from $b$-hadron decays. We obtain a prompt $D^+$ signal of 2950 candidates corresponding to a total cross section $蟽(D^+, 1.5 < p_T < 14.5~\mbox{GeV/}c, |y|<1) = 71.9 \pm 6.8 (\mbox{stat}) \pm 9.3 (\mbox{syst})~渭$b. While the measured cross sections are consistent with theoretical estimates in each $p_T$ bin, the shape of the observed $p_T$ spectrum is softer than the expectation from quantum chromodynamics. The results are unique in $p\bar{p}$ collisions and can improve the shape and uncertainties of future predictions. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1610.08989v1-abstract-full').style.display = 'none'; document.getElementById('1610.08989v1-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 October, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">8 pages, 3 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 95, 092006 (2017) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1606.06823">arXiv:1606.06823</a> <span> [<a href="https://arxiv.org/pdf/1606.06823">pdf</a>, <a href="https://arxiv.org/format/1606.06823">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/PhysRevD.94.032008">10.1103/PhysRevD.94.032008 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of the $WW$ and $WZ$ production cross section using final states with a charged lepton and heavy-flavor jets in the full CDF Run II data set </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=CDF+Collaboration"> CDF Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aaltonen%2C+T">T. Aaltonen</a>, <a href="/search/hep-ex?searchtype=author&query=Amerio%2C+S">S. Amerio</a>, <a href="/search/hep-ex?searchtype=author&query=Amidei%2C+D">D. Amidei</a>, <a href="/search/hep-ex?searchtype=author&query=Anastassov%2C+A">A. Anastassov</a>, <a href="/search/hep-ex?searchtype=author&query=Annovi%2C+A">A. Annovi</a>, <a href="/search/hep-ex?searchtype=author&query=Antos%2C+J">J. Antos</a>, <a href="/search/hep-ex?searchtype=author&query=Apollinari%2C+G">G. Apollinari</a>, <a href="/search/hep-ex?searchtype=author&query=Appel%2C+J+A">J. A. Appel</a>, <a href="/search/hep-ex?searchtype=author&query=Arisawa%2C+T">T. Arisawa</a>, <a href="/search/hep-ex?searchtype=author&query=Artikov%2C+A">A. Artikov</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashmanskas%2C+W">W. Ashmanskas</a>, <a href="/search/hep-ex?searchtype=author&query=Auerbach%2C+B">B. Auerbach</a>, <a href="/search/hep-ex?searchtype=author&query=Aurisano%2C+A">A. Aurisano</a>, <a href="/search/hep-ex?searchtype=author&query=Azfar%2C+F">F. Azfar</a>, <a href="/search/hep-ex?searchtype=author&query=Badgett%2C+W">W. Badgett</a>, <a href="/search/hep-ex?searchtype=author&query=Bae%2C+T">T. Bae</a>, <a href="/search/hep-ex?searchtype=author&query=Barbaro-Galtieri%2C+A">A. Barbaro-Galtieri</a>, <a href="/search/hep-ex?searchtype=author&query=Barnes%2C+V+E">V. E. Barnes</a>, <a href="/search/hep-ex?searchtype=author&query=Barnett%2C+B+A">B. A. Barnett</a>, <a href="/search/hep-ex?searchtype=author&query=Barria%2C+P">P. Barria</a>, <a href="/search/hep-ex?searchtype=author&query=Bartos%2C+P">P. Bartos</a>, <a href="/search/hep-ex?searchtype=author&query=Bauce%2C+M">M. Bauce</a>, <a href="/search/hep-ex?searchtype=author&query=Bedeschi%2C+F">F. Bedeschi</a> , et al. (374 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1606.06823v3-abstract-short" style="display: inline;"> We present a measurement of the total {\it WW} and {\it WZ} production cross sections in $p\bar{p}$ collision at $\sqrt{s}=1.96$ TeV, in a final state consistent with leptonic $W$ boson decay and jets originating from heavy-flavor quarks from either a $W$ or a $Z$ boson decay. This analysis uses the full data set collected with the CDF II detector during Run II of the Tevatron collider, correspond… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1606.06823v3-abstract-full').style.display = 'inline'; document.getElementById('1606.06823v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1606.06823v3-abstract-full" style="display: none;"> We present a measurement of the total {\it WW} and {\it WZ} production cross sections in $p\bar{p}$ collision at $\sqrt{s}=1.96$ TeV, in a final state consistent with leptonic $W$ boson decay and jets originating from heavy-flavor quarks from either a $W$ or a $Z$ boson decay. This analysis uses the full data set collected with the CDF II detector during Run II of the Tevatron collider, corresponding to an integrated luminosity of 9.4 fb$^{-1}$. An analysis of the dijet mass spectrum provides $3.7蟽$ evidence of the summed production processes of either {\it WW} or {\it WZ} bosons with a measured total cross section of $蟽_{WW+WZ} = 13.7\pm 3.9$~pb. Independent measurements of the {\it WW} and {\it WZ} production cross sections are allowed by the different heavy-flavor decay-patterns of the $W$ and $Z$ bosons and by the analysis of secondary-decay vertices reconstructed within heavy-flavor jets. The productions of {\it WW} and of {\it WZ} dibosons are independently seen with significances of $2.9蟽$ and $2.1蟽$, respectively, with total cross sections of $蟽_{WW}= 9.4\pm 4.2$~pb and $蟽_{WZ}=3.7^{+2.5}_{-2.2}$~pb. The measurements are consistent with standard-model predictions. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1606.06823v3-abstract-full').style.display = 'none'; document.getElementById('1606.06823v3-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, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 22 June, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">19 pages, 11 figures, accepted for publication on Physical Review D</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-16-229-E </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 94, 032008 (2016) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1605.02719">arXiv:1605.02719</a> <span> [<a href="https://arxiv.org/pdf/1605.02719">pdf</a>, <a href="https://arxiv.org/format/1605.02719">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/PhysRevD.93.112016">10.1103/PhysRevD.93.112016 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of $\sin^2胃^{\rm lept}_{\rm eff}$ using $e^+e^-$ pairs from $纬^*/Z$ bosons produced in $p\bar{p}$ collisions at a center-of-momentum energy of 1.96 TeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=CDF+Collaboration"> CDF Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aaltonen%2C+T">T. Aaltonen</a>, <a href="/search/hep-ex?searchtype=author&query=Amerio%2C+S">S. Amerio</a>, <a href="/search/hep-ex?searchtype=author&query=Amidei%2C+D">D. Amidei</a>, <a href="/search/hep-ex?searchtype=author&query=Anastassov%2C+A">A. Anastassov</a>, <a href="/search/hep-ex?searchtype=author&query=Annovi%2C+A">A. Annovi</a>, <a href="/search/hep-ex?searchtype=author&query=Antos%2C+J">J. Antos</a>, <a href="/search/hep-ex?searchtype=author&query=Apollinari%2C+G">G. Apollinari</a>, <a href="/search/hep-ex?searchtype=author&query=Appel%2C+J+A">J. A. Appel</a>, <a href="/search/hep-ex?searchtype=author&query=Arisawa%2C+T">T. Arisawa</a>, <a href="/search/hep-ex?searchtype=author&query=Artikov%2C+A">A. Artikov</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashmanskas%2C+W">W. Ashmanskas</a>, <a href="/search/hep-ex?searchtype=author&query=Auerbach%2C+B">B. Auerbach</a>, <a href="/search/hep-ex?searchtype=author&query=Aurisano%2C+A">A. Aurisano</a>, <a href="/search/hep-ex?searchtype=author&query=Azfar%2C+F">F. Azfar</a>, <a href="/search/hep-ex?searchtype=author&query=Badgett%2C+W">W. Badgett</a>, <a href="/search/hep-ex?searchtype=author&query=Bae%2C+T">T. Bae</a>, <a href="/search/hep-ex?searchtype=author&query=Barbaro-Galtieri%2C+A">A. Barbaro-Galtieri</a>, <a href="/search/hep-ex?searchtype=author&query=Barnes%2C+V+E">V. E. Barnes</a>, <a href="/search/hep-ex?searchtype=author&query=Barnett%2C+B+A">B. A. Barnett</a>, <a href="/search/hep-ex?searchtype=author&query=Barria%2C+P">P. Barria</a>, <a href="/search/hep-ex?searchtype=author&query=Bartos%2C+P">P. Bartos</a>, <a href="/search/hep-ex?searchtype=author&query=Bauce%2C+M">M. Bauce</a>, <a href="/search/hep-ex?searchtype=author&query=Bedeschi%2C+F">F. Bedeschi</a> , et al. (372 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="1605.02719v2-abstract-short" style="display: inline;"> At the Fermilab Tevatron proton-antiproton ($p\bar{p}$) collider, Drell-Yan lepton pairs are produced in the process $p \bar{p} \rightarrow e^+e^- + X$ through an intermediate $纬^*/Z$ boson. The forward-backward asymmetry in the polar-angle distribution of the $e^-$ as a function of the $e^+e^-$-pair mass is used to obtain $\sin^2胃^{\rm lept}_{\rm eff}$, the effective leptonic determination of the… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1605.02719v2-abstract-full').style.display = 'inline'; document.getElementById('1605.02719v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1605.02719v2-abstract-full" style="display: none;"> At the Fermilab Tevatron proton-antiproton ($p\bar{p}$) collider, Drell-Yan lepton pairs are produced in the process $p \bar{p} \rightarrow e^+e^- + X$ through an intermediate $纬^*/Z$ boson. The forward-backward asymmetry in the polar-angle distribution of the $e^-$ as a function of the $e^+e^-$-pair mass is used to obtain $\sin^2胃^{\rm lept}_{\rm eff}$, the effective leptonic determination of the electroweak-mixing parameter $\sin^2胃_W$. The measurement sample, recorded by the Collider Detector at Fermilab (CDF), corresponds to 9.4~fb$^{-1}$ of integrated luminosity from $p\bar{p}$ collisions at a center-of-momentum energy of 1.96 TeV, and is the full CDF Run II data set. The value of $\sin^2胃^{\rm lept}_{\rm eff}$ is found to be $0.23248 \pm 0.00053$. The combination with the previous CDF measurement based on $渭^+渭^-$ pairs yields $\sin^2胃^{\rm lept}_{\rm eff} = 0.23221 \pm 0.00046$. This result, when interpreted within the specified context of the standard model assuming $\sin^2 胃_W = 1 - M_W^2/M_Z^2$ and that the $W$- and $Z$-boson masses are on-shell, yields $\sin^2胃_W = 0.22400 \pm 0.00045$, or equivalently a $W$-boson mass of $80.328 \pm 0.024 \;{\rm GeV}/c^2$. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1605.02719v2-abstract-full').style.display = 'none'; document.getElementById('1605.02719v2-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 June, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 9 May, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-16-165-E </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 93, 112016 (2016) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1602.09015">arXiv:1602.09015</a> <span> [<a href="https://arxiv.org/pdf/1602.09015">pdf</a>, <a href="https://arxiv.org/format/1602.09015">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/PhysRevD.93.112005">10.1103/PhysRevD.93.112005 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of the forward-backward asymmetry of top-quark and antiquark pairs using the full CDF Run II data set </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=CDF+Collaboration"> CDF Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aaltonen%2C+T">T. Aaltonen</a>, <a href="/search/hep-ex?searchtype=author&query=Amerio%2C+S">S. Amerio</a>, <a href="/search/hep-ex?searchtype=author&query=Amidei%2C+D">D. Amidei</a>, <a href="/search/hep-ex?searchtype=author&query=Anastassov%2C+A">A. Anastassov</a>, <a href="/search/hep-ex?searchtype=author&query=Annovi%2C+A">A. Annovi</a>, <a href="/search/hep-ex?searchtype=author&query=Antos%2C+J">J. Antos</a>, <a href="/search/hep-ex?searchtype=author&query=Apollinari%2C+G">G. Apollinari</a>, <a href="/search/hep-ex?searchtype=author&query=Appel%2C+J+A">J. A. Appel</a>, <a href="/search/hep-ex?searchtype=author&query=Arisawa%2C+T">T. Arisawa</a>, <a href="/search/hep-ex?searchtype=author&query=Artikov%2C+A">A. Artikov</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashmanskas%2C+W">W. Ashmanskas</a>, <a href="/search/hep-ex?searchtype=author&query=Auerbach%2C+B">B. Auerbach</a>, <a href="/search/hep-ex?searchtype=author&query=Aurisano%2C+A">A. Aurisano</a>, <a href="/search/hep-ex?searchtype=author&query=Azfar%2C+F">F. Azfar</a>, <a href="/search/hep-ex?searchtype=author&query=Badgett%2C+W">W. Badgett</a>, <a href="/search/hep-ex?searchtype=author&query=Bae%2C+T">T. Bae</a>, <a href="/search/hep-ex?searchtype=author&query=Barbaro-Galtieri%2C+A">A. Barbaro-Galtieri</a>, <a href="/search/hep-ex?searchtype=author&query=Barnes%2C+V+E">V. E. Barnes</a>, <a href="/search/hep-ex?searchtype=author&query=Barnett%2C+B+A">B. A. Barnett</a>, <a href="/search/hep-ex?searchtype=author&query=Barria%2C+P">P. Barria</a>, <a href="/search/hep-ex?searchtype=author&query=Bartos%2C+P">P. Bartos</a>, <a href="/search/hep-ex?searchtype=author&query=Bauce%2C+M">M. Bauce</a>, <a href="/search/hep-ex?searchtype=author&query=Bedeschi%2C+F">F. Bedeschi</a> , et al. (372 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="1602.09015v1-abstract-short" style="display: inline;"> We measure the forward--backward asymmetry of the production of top quark and antiquark pairs in proton-antiproton collisions at center-of-mass energy $\sqrt{s} = 1.96~\mathrm{TeV}$ using the full data set collected by the Collider Detector at Fermilab (CDF) in Tevatron Run II corresponding to an integrated luminosity of $9.1~\rm{fb}^{-1}$. The asymmetry is characterized by the rapidity difference… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1602.09015v1-abstract-full').style.display = 'inline'; document.getElementById('1602.09015v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1602.09015v1-abstract-full" style="display: none;"> We measure the forward--backward asymmetry of the production of top quark and antiquark pairs in proton-antiproton collisions at center-of-mass energy $\sqrt{s} = 1.96~\mathrm{TeV}$ using the full data set collected by the Collider Detector at Fermilab (CDF) in Tevatron Run II corresponding to an integrated luminosity of $9.1~\rm{fb}^{-1}$. The asymmetry is characterized by the rapidity difference between top quarks and antiquarks ($螖y$), and measured in the final state with two charged leptons (electrons and muons). The inclusive asymmetry, corrected to the entire phase space at parton level, is measured to be $A_{\text{FB}}^{t\bar{t}} = 0.12 \pm 0.13$, consistent with the expectations from the standard-model (SM) and previous CDF results in the final state with a single charged lepton. The combination of the CDF measurements of the inclusive $A_{\text{FB}}^{t\bar{t}}$ in both final states yields $A_{\text{FB}}^{t\bar{t}}=0.160\pm0.045$, which is consistent with the SM predictions. We also measure the differential asymmetry as a function of $螖y$. A linear fit to $A_{\text{FB}}^{t\bar{t}}(|螖y|)$, assuming zero asymmetry at $螖y=0$, yields a slope of $伪=0.14\pm0.15$, consistent with the SM prediction and the previous CDF determination in the final state with a single charged lepton. The combined slope of $A_{\text{FB}}^{t\bar{t}}(|螖y|)$ in the two final states is $伪=0.227\pm0.057$, which is $2.0蟽$ larger than the SM prediction. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1602.09015v1-abstract-full').style.display = 'none'; document.getElementById('1602.09015v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 29 February, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">To be submitted to Phys. Rev. D</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-16-045-E </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 93, 112005 (2016) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1601.06526">arXiv:1601.06526</a> <span> [<a href="https://arxiv.org/pdf/1601.06526">pdf</a>, <a href="https://arxiv.org/format/1601.06526">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"> Measurement of the forward-backward asymmetry in low-mass bottom-quark pairs produced in proton-antiproton collisions </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=CDF+Collaboration"> CDF Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aaltonen%2C+T">T. Aaltonen</a>, <a href="/search/hep-ex?searchtype=author&query=Amerio%2C+S">S. Amerio</a>, <a href="/search/hep-ex?searchtype=author&query=Amidei%2C+D">D. Amidei</a>, <a href="/search/hep-ex?searchtype=author&query=Anastassov%2C+A">A. Anastassov</a>, <a href="/search/hep-ex?searchtype=author&query=Annovi%2C+A">A. Annovi</a>, <a href="/search/hep-ex?searchtype=author&query=Antos%2C+J">J. Antos</a>, <a href="/search/hep-ex?searchtype=author&query=Apollinari%2C+G">G. Apollinari</a>, <a href="/search/hep-ex?searchtype=author&query=Appel%2C+J+A">J. A. Appel</a>, <a href="/search/hep-ex?searchtype=author&query=Arisawa%2C+T">T. Arisawa</a>, <a href="/search/hep-ex?searchtype=author&query=Artikov%2C+A">A. Artikov</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashmanskas%2C+W">W. Ashmanskas</a>, <a href="/search/hep-ex?searchtype=author&query=Auerbach%2C+B">B. Auerbach</a>, <a href="/search/hep-ex?searchtype=author&query=Aurisano%2C+A">A. Aurisano</a>, <a href="/search/hep-ex?searchtype=author&query=Azfar%2C+F">F. Azfar</a>, <a href="/search/hep-ex?searchtype=author&query=Badgett%2C+W">W. Badgett</a>, <a href="/search/hep-ex?searchtype=author&query=Bae%2C+T">T. Bae</a>, <a href="/search/hep-ex?searchtype=author&query=Barbaro-Galtieri%2C+A">A. Barbaro-Galtieri</a>, <a href="/search/hep-ex?searchtype=author&query=Barnes%2C+V+E">V. E. Barnes</a>, <a href="/search/hep-ex?searchtype=author&query=Barnett%2C+B+A">B. A. Barnett</a>, <a href="/search/hep-ex?searchtype=author&query=Barria%2C+P">P. Barria</a>, <a href="/search/hep-ex?searchtype=author&query=Bartos%2C+P">P. Bartos</a>, <a href="/search/hep-ex?searchtype=author&query=Bauce%2C+M">M. Bauce</a>, <a href="/search/hep-ex?searchtype=author&query=Bedeschi%2C+F">F. Bedeschi</a> , et al. (373 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1601.06526v1-abstract-short" style="display: inline;"> We report a measurement of the forward-backward asymmetry, $A_{FB}$, in $b\bar{b}$ pairs produced in proton-antiproton collisions and identified by muons from semileptonic $b$-hadron decays. The event sample was collected at a center-of-mass energy of $\sqrt{s}=1.96$ TeV with the CDF II detector and corresponds to 6.9 fb$^{-1}$ of integrated luminosity. We obtain an integrated asymmetry of… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1601.06526v1-abstract-full').style.display = 'inline'; document.getElementById('1601.06526v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1601.06526v1-abstract-full" style="display: none;"> We report a measurement of the forward-backward asymmetry, $A_{FB}$, in $b\bar{b}$ pairs produced in proton-antiproton collisions and identified by muons from semileptonic $b$-hadron decays. The event sample was collected at a center-of-mass energy of $\sqrt{s}=1.96$ TeV with the CDF II detector and corresponds to 6.9 fb$^{-1}$ of integrated luminosity. We obtain an integrated asymmetry of $A_{FB}(b\bar{b})=(1.2 \pm 0.7)$\% at the particle level for $b$-quark pairs with invariant mass, $m_{b\bar{b}}$, down to $40$ GeV/$c^2$ and measure the dependence of $A_{FB}(b\bar{b})$ on $m_{b\bar{b}}$. The results are compatible with expectations from the standard model. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1601.06526v1-abstract-full').style.display = 'none'; document.getElementById('1601.06526v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 25 January, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">submitted to Phys. Rev. D</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-16-017-E </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1601.03819">arXiv:1601.03819</a> <span> [<a href="https://arxiv.org/pdf/1601.03819">pdf</a>, <a href="https://arxiv.org/ps/1601.03819">ps</a>, <a href="https://arxiv.org/format/1601.03819">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/PhysRevD.93.052001">10.1103/PhysRevD.93.052001 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of the $B_c^{\pm}$ production cross section in $p\bar{p}$ collisions at $\sqrt{s}=1.96$ TeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=CDF+Collaboration"> CDF Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aaltonen%2C+T">T. Aaltonen</a>, <a href="/search/hep-ex?searchtype=author&query=Amerio%2C+S">S. Amerio</a>, <a href="/search/hep-ex?searchtype=author&query=Amidei%2C+D">D. Amidei</a>, <a href="/search/hep-ex?searchtype=author&query=Anastassov%2C+A">A. Anastassov</a>, <a href="/search/hep-ex?searchtype=author&query=Annovi%2C+A">A. Annovi</a>, <a href="/search/hep-ex?searchtype=author&query=Antos%2C+J">J. Antos</a>, <a href="/search/hep-ex?searchtype=author&query=Apollinari%2C+G">G. Apollinari</a>, <a href="/search/hep-ex?searchtype=author&query=Appel%2C+J+A">J. A. Appel</a>, <a href="/search/hep-ex?searchtype=author&query=Arisawa%2C+T">T. Arisawa</a>, <a href="/search/hep-ex?searchtype=author&query=Artikov%2C+A">A. Artikov</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashmanskas%2C+W">W. Ashmanskas</a>, <a href="/search/hep-ex?searchtype=author&query=Auerbach%2C+B">B. Auerbach</a>, <a href="/search/hep-ex?searchtype=author&query=Aurisano%2C+A">A. Aurisano</a>, <a href="/search/hep-ex?searchtype=author&query=Azfar%2C+F">F. Azfar</a>, <a href="/search/hep-ex?searchtype=author&query=Badgett%2C+W">W. Badgett</a>, <a href="/search/hep-ex?searchtype=author&query=Bae%2C+T">T. Bae</a>, <a href="/search/hep-ex?searchtype=author&query=Barbaro-Galtieri%2C+A">A. Barbaro-Galtieri</a>, <a href="/search/hep-ex?searchtype=author&query=Barnes%2C+V+E">V. E. Barnes</a>, <a href="/search/hep-ex?searchtype=author&query=Barnett%2C+B+A">B. A. Barnett</a>, <a href="/search/hep-ex?searchtype=author&query=Barria%2C+P">P. Barria</a>, <a href="/search/hep-ex?searchtype=author&query=Bartos%2C+P">P. Bartos</a>, <a href="/search/hep-ex?searchtype=author&query=Bauce%2C+M">M. Bauce</a>, <a href="/search/hep-ex?searchtype=author&query=Bedeschi%2C+F">F. Bedeschi</a> , et al. (374 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1601.03819v2-abstract-short" style="display: inline;"> We describe a measurement of the ratio of the cross sections times branching fractions of the $B_c^+$ meson in the decay mode $B_c^+ \rightarrow J/蠄渭谓$ to the $B^+$ meson in the decay mode $B^+ \rightarrow J/蠄K^+$ in proton-antiproton collisions at center-of-mass energy $\sqrt{s}=1.96$ TeV. The measurement is based on the complete CDF Run II data set, which comes from an integrated luminosity of… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1601.03819v2-abstract-full').style.display = 'inline'; document.getElementById('1601.03819v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1601.03819v2-abstract-full" style="display: none;"> We describe a measurement of the ratio of the cross sections times branching fractions of the $B_c^+$ meson in the decay mode $B_c^+ \rightarrow J/蠄渭谓$ to the $B^+$ meson in the decay mode $B^+ \rightarrow J/蠄K^+$ in proton-antiproton collisions at center-of-mass energy $\sqrt{s}=1.96$ TeV. The measurement is based on the complete CDF Run II data set, which comes from an integrated luminosity of $8.7\,{\rm fb}^{-1}$. The ratio of the production cross sections times branching fractions for $B_c^+$ and $B_c^+$ mesons with momentum transverse to the beam greater than $6~\textrm{GeV}/c$ and rapidity magnitude smaller than 0.6 is $0.211\pm 0.012~\mbox{(stat)}^{+0.021}_{-0.020}~\mbox{(syst)}$. Using the known $B^+ \rightarrow J/蠄K^+$ branching fraction, the known $B^+$ production cross section, and a selection of the predicted $B_c^+ \rightarrow J/蠄渭谓$ branching fractions, the range for the total $B_c^+$ production cross section is estimated. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1601.03819v2-abstract-full').style.display = 'none'; document.getElementById('1601.03819v2-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, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 15 January, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">28 pages, 25 figures, and 20 tables. This version is consistent with paper published in Phys. Rev. D on March 1, 2016</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-16-008-E-PPD </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 93, 052001 (2016) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1601.00401">arXiv:1601.00401</a> <span> [<a href="https://arxiv.org/pdf/1601.00401">pdf</a>, <a href="https://arxiv.org/format/1601.00401">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/PhysRevD.93.112010">10.1103/PhysRevD.93.112010 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Search for a Low-Mass Neutral Higgs Boson with Suppressed Couplings to Fermions Using Events with Multiphoton Final States </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=CDF+Collaboration"> CDF Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aaltonen%2C+T">T. Aaltonen</a>, <a href="/search/hep-ex?searchtype=author&query=Amerio%2C+S">S. Amerio</a>, <a href="/search/hep-ex?searchtype=author&query=Amidei%2C+D">D. Amidei</a>, <a href="/search/hep-ex?searchtype=author&query=Anastassov%2C+A">A. Anastassov</a>, <a href="/search/hep-ex?searchtype=author&query=Annovi%2C+A">A. Annovi</a>, <a href="/search/hep-ex?searchtype=author&query=Antos%2C+J">J. Antos</a>, <a href="/search/hep-ex?searchtype=author&query=Apollinari%2C+G">G. Apollinari</a>, <a href="/search/hep-ex?searchtype=author&query=Appel%2C+J+A">J. A. Appel</a>, <a href="/search/hep-ex?searchtype=author&query=Arisawa%2C+T">T. Arisawa</a>, <a href="/search/hep-ex?searchtype=author&query=Artikov%2C+A">A. Artikov</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashmanskas%2C+W">W. Ashmanskas</a>, <a href="/search/hep-ex?searchtype=author&query=Auerbach%2C+B">B. Auerbach</a>, <a href="/search/hep-ex?searchtype=author&query=Aurisano%2C+A">A. Aurisano</a>, <a href="/search/hep-ex?searchtype=author&query=Azfar%2C+F">F. Azfar</a>, <a href="/search/hep-ex?searchtype=author&query=Badgett%2C+W">W. Badgett</a>, <a href="/search/hep-ex?searchtype=author&query=Bae%2C+T">T. Bae</a>, <a href="/search/hep-ex?searchtype=author&query=Barbaro-Galtieri%2C+A">A. Barbaro-Galtieri</a>, <a href="/search/hep-ex?searchtype=author&query=Barnes%2C+V+E">V. E. Barnes</a>, <a href="/search/hep-ex?searchtype=author&query=Barnett%2C+B+A">B. A. Barnett</a>, <a href="/search/hep-ex?searchtype=author&query=Barria%2C+P">P. Barria</a>, <a href="/search/hep-ex?searchtype=author&query=Bartos%2C+P">P. Bartos</a>, <a href="/search/hep-ex?searchtype=author&query=Bauce%2C+M">M. Bauce</a>, <a href="/search/hep-ex?searchtype=author&query=Bedeschi%2C+F">F. Bedeschi</a> , et al. (373 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1601.00401v1-abstract-short" style="display: inline;"> A search for a Higgs boson with suppressed couplings to fermions, $h_f$, assumed to be the neutral, lower-mass partner of the Higgs boson discovered at the Large Hadron Collider, is reported. Such a Higgs boson could exist in extensions of the standard model with two Higgs doublets, and could be produced via $p\bar{p} \to H^\pm h_f \to W^* h_f h_f \to 4纬+ X$, where $H^\pm$ is a charged Higgs boson… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1601.00401v1-abstract-full').style.display = 'inline'; document.getElementById('1601.00401v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1601.00401v1-abstract-full" style="display: none;"> A search for a Higgs boson with suppressed couplings to fermions, $h_f$, assumed to be the neutral, lower-mass partner of the Higgs boson discovered at the Large Hadron Collider, is reported. Such a Higgs boson could exist in extensions of the standard model with two Higgs doublets, and could be produced via $p\bar{p} \to H^\pm h_f \to W^* h_f h_f \to 4纬+ X$, where $H^\pm$ is a charged Higgs boson. This analysis uses all events with at least three photons in the final state from proton-antiproton collisions at a center-of-mass energy of 1.96~TeV collected by the Collider Detector at Fermilab, corresponding to an integrated luminosity of 9.2~${\rm fb}^{-1}$. No evidence of a signal is observed in the data. Values of Higgs-boson masses between 10 and 100 GeV/$c^2$ are excluded at 95\% Bayesian credibility. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1601.00401v1-abstract-full').style.display = 'none'; document.getElementById('1601.00401v1-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 January, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Submitted to Phys. Rev. Lett</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-15-578-E </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 93, 112010 (2016) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1508.06980">arXiv:1508.06980</a> <span> [<a href="https://arxiv.org/pdf/1508.06980">pdf</a>, <a href="https://arxiv.org/format/1508.06980">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/PhysRevD.93.052012">10.1103/PhysRevD.93.052012 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of vector boson plus $D^{*}(2010)^+$ meson production in $\bar{p}p$ collisions at $\sqrt{s}=1.96\, {\rm TeV}$ </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=CDF+Collaboration"> CDF Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aaltonen%2C+T">T. Aaltonen</a>, <a href="/search/hep-ex?searchtype=author&query=Amerio%2C+S">S. Amerio</a>, <a href="/search/hep-ex?searchtype=author&query=Amidei%2C+D">D. Amidei</a>, <a href="/search/hep-ex?searchtype=author&query=Anastassov%2C+A">A. Anastassov</a>, <a href="/search/hep-ex?searchtype=author&query=Annovi%2C+A">A. Annovi</a>, <a href="/search/hep-ex?searchtype=author&query=Antos%2C+J">J. Antos</a>, <a href="/search/hep-ex?searchtype=author&query=Apollinari%2C+G">G. Apollinari</a>, <a href="/search/hep-ex?searchtype=author&query=Appel%2C+J+A">J. A. Appel</a>, <a href="/search/hep-ex?searchtype=author&query=Arisawa%2C+T">T. Arisawa</a>, <a href="/search/hep-ex?searchtype=author&query=Artikov%2C+A">A. Artikov</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashmanskas%2C+W">W. Ashmanskas</a>, <a href="/search/hep-ex?searchtype=author&query=Auerbach%2C+B">B. Auerbach</a>, <a href="/search/hep-ex?searchtype=author&query=Aurisano%2C+A">A. Aurisano</a>, <a href="/search/hep-ex?searchtype=author&query=Azfar%2C+F">F. Azfar</a>, <a href="/search/hep-ex?searchtype=author&query=Badgett%2C+W">W. Badgett</a>, <a href="/search/hep-ex?searchtype=author&query=Bae%2C+T">T. Bae</a>, <a href="/search/hep-ex?searchtype=author&query=Barbaro-Galtieri%2C+A">A. Barbaro-Galtieri</a>, <a href="/search/hep-ex?searchtype=author&query=Barnes%2C+V+E">V. E. Barnes</a>, <a href="/search/hep-ex?searchtype=author&query=Barnett%2C+B+A">B. A. Barnett</a>, <a href="/search/hep-ex?searchtype=author&query=Barria%2C+P">P. Barria</a>, <a href="/search/hep-ex?searchtype=author&query=Bartos%2C+P">P. Bartos</a>, <a href="/search/hep-ex?searchtype=author&query=Bauce%2C+M">M. Bauce</a>, <a href="/search/hep-ex?searchtype=author&query=Bedeschi%2C+F">F. Bedeschi</a> , et al. (378 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="1508.06980v2-abstract-short" style="display: inline;"> A measurement of vector boson ($V$) production in conjunction with a $D^{*}(2010)^+$ meson is presented. Using a data sample corresponding to $9.7\, {\rm fb}^{-1}$ of ^Mproton-antiproton collisions at center-of-mass energy $\sqrt{s}=1.96\rm~ TeV$ produced by the Fermilab Tevatron, we reconstruct $V+D^{*+}$ samples with the CDF~II detector. The $D^{*+}$ is fully reconstructed in the… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1508.06980v2-abstract-full').style.display = 'inline'; document.getElementById('1508.06980v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1508.06980v2-abstract-full" style="display: none;"> A measurement of vector boson ($V$) production in conjunction with a $D^{*}(2010)^+$ meson is presented. Using a data sample corresponding to $9.7\, {\rm fb}^{-1}$ of ^Mproton-antiproton collisions at center-of-mass energy $\sqrt{s}=1.96\rm~ TeV$ produced by the Fermilab Tevatron, we reconstruct $V+D^{*+}$ samples with the CDF~II detector. The $D^{*+}$ is fully reconstructed in the $D^{*}(2010)^+ \rightarrow D^{0}(\to K^-蟺^+)蟺^+$ decay mode. This technique is sensitive to the associated production of vector boson plus charm or bottom mesons. We measure the ratio of production cross sections $蟽(W+D^{*})/蟽(W)$ = $[1.75\pm 0.13 {\rm (stat)}\pm 0.09 {\rm (syst)}]\% $ and $蟽(Z+D^{*})/蟽(Z)$ = $[1.5\pm 0.4 {\rm (stat)} \pm 0.2 {\rm (syst)}]\% $ and perform a differential measurement of $d蟽(W+D^{*})/dp_T(D^{*})$. Event properties are utilized to determine the fraction of $V+D^{*}(2010)^+$ events originating from different production processes. The results are in agreement with the predictions obtained with the {\sc pythia} program, limiting possible contribution from non-standard-model physics processes. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1508.06980v2-abstract-full').style.display = 'none'; document.getElementById('1508.06980v2-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, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 27 August, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-15-368 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 93, 052012 (2016) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1508.05340">arXiv:1508.05340</a> <span> [<a href="https://arxiv.org/pdf/1508.05340">pdf</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/PhysRevD.92.092009">10.1103/PhysRevD.92.092009 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> A Study of the Energy Dependence of the Underlying Event in Proton-Antiproton Collisions </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=CDF+Collaboration"> CDF Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aaltonen%2C+T">T. Aaltonen</a>, <a href="/search/hep-ex?searchtype=author&query=Amerio%2C+S">S. Amerio</a>, <a href="/search/hep-ex?searchtype=author&query=Amidei%2C+D">D. Amidei</a>, <a href="/search/hep-ex?searchtype=author&query=Anastassov%2C+A">A. Anastassov</a>, <a href="/search/hep-ex?searchtype=author&query=Annovi%2C+A">A. Annovi</a>, <a href="/search/hep-ex?searchtype=author&query=Antos%2C+J">J. Antos</a>, <a href="/search/hep-ex?searchtype=author&query=Apollinari%2C+G">G. Apollinari</a>, <a href="/search/hep-ex?searchtype=author&query=Appel%2C+J+A">J. A. Appel</a>, <a href="/search/hep-ex?searchtype=author&query=Arisawa%2C+T">T. Arisawa</a>, <a href="/search/hep-ex?searchtype=author&query=Artikov%2C+A">A. Artikov</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashmanskas%2C+W">W. Ashmanskas</a>, <a href="/search/hep-ex?searchtype=author&query=Auerbach%2C+B">B. Auerbach</a>, <a href="/search/hep-ex?searchtype=author&query=Albrow%2C+M">M. Albrow</a>, <a href="/search/hep-ex?searchtype=author&query=Aurisano%2C+A">A. Aurisano</a>, <a href="/search/hep-ex?searchtype=author&query=Azfar%2C+F">F. Azfar</a>, <a href="/search/hep-ex?searchtype=author&query=Badgett%2C+W">W. Badgett</a>, <a href="/search/hep-ex?searchtype=author&query=Bae%2C+T">T. Bae</a>, <a href="/search/hep-ex?searchtype=author&query=Barbaro-Galtieri%2C+A">A. Barbaro-Galtieri</a>, <a href="/search/hep-ex?searchtype=author&query=Barnes%2C+V+E">V. E. Barnes</a>, <a href="/search/hep-ex?searchtype=author&query=Barnett%2C+B+A">B. A. Barnett</a>, <a href="/search/hep-ex?searchtype=author&query=Barria%2C+P">P. Barria</a>, <a href="/search/hep-ex?searchtype=author&query=Bartos%2C+P">P. Bartos</a>, <a href="/search/hep-ex?searchtype=author&query=Bauce%2C+M">M. Bauce</a> , et al. (379 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="1508.05340v2-abstract-short" style="display: inline;"> We study charged particle production in proton-antiproton collisions at 300 GeV, 900 GeV, and 1.96 TeV. We use the direction of the charged particle with the largest transverse momentum in each event to define three regions of eta-phi space; toward, away, and transverse. The average number and the average scalar pT sum of charged particles in the transverse region are sensitive to the modeling of… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1508.05340v2-abstract-full').style.display = 'inline'; document.getElementById('1508.05340v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1508.05340v2-abstract-full" style="display: none;"> We study charged particle production in proton-antiproton collisions at 300 GeV, 900 GeV, and 1.96 TeV. We use the direction of the charged particle with the largest transverse momentum in each event to define three regions of eta-phi space; toward, away, and transverse. The average number and the average scalar pT sum of charged particles in the transverse region are sensitive to the modeling of the underlying event. The transverse region is divided into a MAX and MIN transverse region, which helps separate the hard component (initial and final-state radiation) from the beam-beam remnant and multiple parton interaction components of the scattering. The center-of-mass energy dependence of the various components of the event are studied in detail. The data presented here can be used to constrain and improve QCD Monte Carlo models, resulting in more precise predictions at the LHC energies of 13 and 14 TeV. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1508.05340v2-abstract-full').style.display = 'none'; document.getElementById('1508.05340v2-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 August, 2015; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 21 August, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">24 pages, 19 figures, to be submitted to Phys. Rev. D</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-15-361-E </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 92, 092009 (2015) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1505.00801">arXiv:1505.00801</a> <span> [<a href="https://arxiv.org/pdf/1505.00801">pdf</a>, <a href="https://arxiv.org/ps/1505.00801">ps</a>, <a href="https://arxiv.org/format/1505.00801">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/PhysRevD.91.111101">10.1103/PhysRevD.91.111101 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of the production and differential cross sections of $W^{+}W^{-}$ bosons in association with jets in $p\bar{p}$ collisions at $\sqrt{s}=1.96$ TeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=CDF+Collaboration"> CDF Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aaltonen%2C+T">T. Aaltonen</a>, <a href="/search/hep-ex?searchtype=author&query=Amerio%2C+S">S. Amerio</a>, <a href="/search/hep-ex?searchtype=author&query=Amidei%2C+D">D. Amidei</a>, <a href="/search/hep-ex?searchtype=author&query=Anastassov%2C+A">A. Anastassov</a>, <a href="/search/hep-ex?searchtype=author&query=Annovi%2C+A">A. Annovi</a>, <a href="/search/hep-ex?searchtype=author&query=Antos%2C+J">J. Antos</a>, <a href="/search/hep-ex?searchtype=author&query=Apollinari%2C+G">G. Apollinari</a>, <a href="/search/hep-ex?searchtype=author&query=Appel%2C+J+A">J. A. Appel</a>, <a href="/search/hep-ex?searchtype=author&query=Arisawa%2C+T">T. Arisawa</a>, <a href="/search/hep-ex?searchtype=author&query=Artikov%2C+A">A. Artikov</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashmanskas%2C+W">W. Ashmanskas</a>, <a href="/search/hep-ex?searchtype=author&query=Auerbach%2C+B">B. Auerbach</a>, <a href="/search/hep-ex?searchtype=author&query=Aurisano%2C+A">A. Aurisano</a>, <a href="/search/hep-ex?searchtype=author&query=Azfar%2C+F">F. Azfar</a>, <a href="/search/hep-ex?searchtype=author&query=Badgett%2C+W">W. Badgett</a>, <a href="/search/hep-ex?searchtype=author&query=Bae%2C+T">T. Bae</a>, <a href="/search/hep-ex?searchtype=author&query=Barbaro-Galtieri%2C+A">A. Barbaro-Galtieri</a>, <a href="/search/hep-ex?searchtype=author&query=Barnes%2C+V+E">V. E. Barnes</a>, <a href="/search/hep-ex?searchtype=author&query=Barnett%2C+B+A">B. A. Barnett</a>, <a href="/search/hep-ex?searchtype=author&query=Barria%2C+P">P. Barria</a>, <a href="/search/hep-ex?searchtype=author&query=Bartos%2C+P">P. Bartos</a>, <a href="/search/hep-ex?searchtype=author&query=Bauce%2C+M">M. Bauce</a>, <a href="/search/hep-ex?searchtype=author&query=Bedeschi%2C+F">F. Bedeschi</a> , et al. (378 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="1505.00801v2-abstract-short" style="display: inline;"> We present a measurement of the $W$-boson-pair production cross section in $p\bar{p}$ collisions at 1.96 TeV center-of-mass energy and the first measurement of the differential cross section as a function of jet multiplicity and leading-jet energy. The $W^{+}W^{-}$ cross section is measured in the final state comprising two charged leptons and neutrinos, where either charged lepton can be an elect… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1505.00801v2-abstract-full').style.display = 'inline'; document.getElementById('1505.00801v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1505.00801v2-abstract-full" style="display: none;"> We present a measurement of the $W$-boson-pair production cross section in $p\bar{p}$ collisions at 1.96 TeV center-of-mass energy and the first measurement of the differential cross section as a function of jet multiplicity and leading-jet energy. The $W^{+}W^{-}$ cross section is measured in the final state comprising two charged leptons and neutrinos, where either charged lepton can be an electron or a muon. Using data collected by the CDF experiment corresponding to $9.7~\rm{fb}^{-1}$ of integrated luminosity, a total of $3027$ collision events consistent with $W^{+}W^{-}$ production are observed with an estimated background contribution of $1790\pm190$ events. The measured total cross section is $蟽(p\bar{p} \rightarrow W^{+}W^{-}) = 14.0 \pm 0.6~(\rm{stat})^{+1.2}_{-1.0}~(\rm{syst})\pm0.8~(\rm{lumi})$ pb, consistent with the standard model prediction. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1505.00801v2-abstract-full').style.display = 'none'; document.getElementById('1505.00801v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 23 June, 2015; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 4 May, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-15-191-PPD </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 91, 111101 (2015) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1505.00500">arXiv:1505.00500</a> <span> [<a href="https://arxiv.org/pdf/1505.00500">pdf</a>, <a href="https://arxiv.org/ps/1505.00500">ps</a>, <a href="https://arxiv.org/format/1505.00500">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/PhysRevD.92.032003">10.1103/PhysRevD.92.032003 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of the top-quark mass in the ${t\bar{t}}$ dilepton channel using the full CDF Run II data set </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=CDF+Collaboration"> CDF Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aaltonen%2C+T">T. Aaltonen</a>, <a href="/search/hep-ex?searchtype=author&query=Amerio%2C+S">S. Amerio</a>, <a href="/search/hep-ex?searchtype=author&query=Amidei%2C+D">D. Amidei</a>, <a href="/search/hep-ex?searchtype=author&query=Anastassov%2C+A">A. Anastassov</a>, <a href="/search/hep-ex?searchtype=author&query=Annovi%2C+A">A. Annovi</a>, <a href="/search/hep-ex?searchtype=author&query=Antos%2C+J">J. Antos</a>, <a href="/search/hep-ex?searchtype=author&query=Apollinari%2C+G">G. Apollinari</a>, <a href="/search/hep-ex?searchtype=author&query=Appel%2C+J+A">J. A. Appel</a>, <a href="/search/hep-ex?searchtype=author&query=Arisawa%2C+T">T. Arisawa</a>, <a href="/search/hep-ex?searchtype=author&query=Artikov%2C+A">A. Artikov</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashmanskas%2C+W">W. Ashmanskas</a>, <a href="/search/hep-ex?searchtype=author&query=Auerbach%2C+B">B. Auerbach</a>, <a href="/search/hep-ex?searchtype=author&query=Aurisano%2C+A">A. Aurisano</a>, <a href="/search/hep-ex?searchtype=author&query=Azfar%2C+F">F. Azfar</a>, <a href="/search/hep-ex?searchtype=author&query=Badgett%2C+W">W. Badgett</a>, <a href="/search/hep-ex?searchtype=author&query=Bae%2C+T">T. Bae</a>, <a href="/search/hep-ex?searchtype=author&query=Barbaro-Galtieri%2C+A">A. Barbaro-Galtieri</a>, <a href="/search/hep-ex?searchtype=author&query=Barnes%2C+V+E">V. E. Barnes</a>, <a href="/search/hep-ex?searchtype=author&query=Barnett%2C+B+A">B. A. Barnett</a>, <a href="/search/hep-ex?searchtype=author&query=Barria%2C+P">P. Barria</a>, <a href="/search/hep-ex?searchtype=author&query=Bartos%2C+P">P. Bartos</a>, <a href="/search/hep-ex?searchtype=author&query=Bauce%2C+M">M. Bauce</a>, <a href="/search/hep-ex?searchtype=author&query=Bedeschi%2C+F">F. Bedeschi</a> , et al. (378 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="1505.00500v2-abstract-short" style="display: inline;"> We present a measurement of the top-quark mass in events containing two leptons (electrons or muons) with a large transverse momentum, two or more energetic jets, and a transverse-momentum imbalance. We use the full proton-antiproton collision data set collected by the CDF experiment during the Fermilab Tevatron Run~II at center-of-mass energy $\sqrt{s} = 1.96$ TeV, corresponding to an integrated… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1505.00500v2-abstract-full').style.display = 'inline'; document.getElementById('1505.00500v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1505.00500v2-abstract-full" style="display: none;"> We present a measurement of the top-quark mass in events containing two leptons (electrons or muons) with a large transverse momentum, two or more energetic jets, and a transverse-momentum imbalance. We use the full proton-antiproton collision data set collected by the CDF experiment during the Fermilab Tevatron Run~II at center-of-mass energy $\sqrt{s} = 1.96$ TeV, corresponding to an integrated luminosity of 9.1 fb$^{-1}$. A special observable is exploited for an optimal reduction of the dominant systematic uncertainty, associated with the knowledge of the absolute energy of the hadronic jets. The distribution of this observable in the selected events is compared to simulated distributions of ${t\bar{t}}$ dilepton signal and background.We measure a value for the top-quark mass of $171.5\pm 1.9~{\rm (stat)}\pm 2.5~{\rm (syst)}$ GeV/$c^2$. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1505.00500v2-abstract-full').style.display = 'none'; document.getElementById('1505.00500v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 20 June, 2015; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 3 May, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Submitted to Phys. Rev. D, 11 pages, 5 figures and 2 tables</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-15-190-E </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 92, 032003 (2015) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1504.06888">arXiv:1504.06888</a> <span> [<a href="https://arxiv.org/pdf/1504.06888">pdf</a>, <a href="https://arxiv.org/format/1504.06888">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/PhysRevD.92.032006">10.1103/PhysRevD.92.032006 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> First measurement of the forward-backward asymmetry in bottom-quark pair production at high mass </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=CDF+Collaboration"> CDF Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aaltonen%2C+T">T. Aaltonen</a>, <a href="/search/hep-ex?searchtype=author&query=Amerio%2C+S">S. Amerio</a>, <a href="/search/hep-ex?searchtype=author&query=Amidei%2C+D">D. Amidei</a>, <a href="/search/hep-ex?searchtype=author&query=Anastassov%2C+A">A. Anastassov</a>, <a href="/search/hep-ex?searchtype=author&query=Annovi%2C+A">A. Annovi</a>, <a href="/search/hep-ex?searchtype=author&query=Antos%2C+J">J. Antos</a>, <a href="/search/hep-ex?searchtype=author&query=Apollinari%2C+G">G. Apollinari</a>, <a href="/search/hep-ex?searchtype=author&query=Appel%2C+J+A">J. A. Appel</a>, <a href="/search/hep-ex?searchtype=author&query=Arisawa%2C+T">T. Arisawa</a>, <a href="/search/hep-ex?searchtype=author&query=Artikov%2C+A">A. Artikov</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashmanskas%2C+W">W. Ashmanskas</a>, <a href="/search/hep-ex?searchtype=author&query=Auerbach%2C+B">B. Auerbach</a>, <a href="/search/hep-ex?searchtype=author&query=Aurisano%2C+A">A. Aurisano</a>, <a href="/search/hep-ex?searchtype=author&query=Azfar%2C+F">F. Azfar</a>, <a href="/search/hep-ex?searchtype=author&query=Badgett%2C+W">W. Badgett</a>, <a href="/search/hep-ex?searchtype=author&query=Bae%2C+T">T. Bae</a>, <a href="/search/hep-ex?searchtype=author&query=Barbaro-Galtieri%2C+A">A. Barbaro-Galtieri</a>, <a href="/search/hep-ex?searchtype=author&query=Barnes%2C+V+E">V. E. Barnes</a>, <a href="/search/hep-ex?searchtype=author&query=Barnett%2C+B+A">B. A. Barnett</a>, <a href="/search/hep-ex?searchtype=author&query=Barria%2C+P">P. Barria</a>, <a href="/search/hep-ex?searchtype=author&query=Bartos%2C+P">P. Bartos</a>, <a href="/search/hep-ex?searchtype=author&query=Bauce%2C+M">M. Bauce</a>, <a href="/search/hep-ex?searchtype=author&query=Bedeschi%2C+F">F. Bedeschi</a> , et al. (378 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="1504.06888v1-abstract-short" style="display: inline;"> We measure the particle-level forward-backward production asymmetry in $b\bar{b}$ pairs with masses $m(b\bar{b})$ larger than 150 GeV/$c^2$, using events with hadronic jets and employing jet charge to distinguish $b$ from $\bar{b}$. The measurement uses 9.5/fb of ppbar collisions at a center of mass energy of 1.96 TeV recorded by the CDF II detector. The asymmetry as a function of $m(b\bar{b})$ is… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1504.06888v1-abstract-full').style.display = 'inline'; document.getElementById('1504.06888v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1504.06888v1-abstract-full" style="display: none;"> We measure the particle-level forward-backward production asymmetry in $b\bar{b}$ pairs with masses $m(b\bar{b})$ larger than 150 GeV/$c^2$, using events with hadronic jets and employing jet charge to distinguish $b$ from $\bar{b}$. The measurement uses 9.5/fb of ppbar collisions at a center of mass energy of 1.96 TeV recorded by the CDF II detector. The asymmetry as a function of $m(b\bar{b})$ is consistent with zero, as well as with the predictions of the standard model. The measurement disfavors a simple model including an axigluon with a mass of 200 GeV/$c^2$ whereas a model containing a heavier 345 GeV/$c^2$ axigluon is not excluded. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1504.06888v1-abstract-full').style.display = 'none'; document.getElementById('1504.06888v1-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, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">11 pages, for submission to Physical Review D</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-15-153-E </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 92, 032006 (2015) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1504.01536">arXiv:1504.01536</a> <span> [<a href="https://arxiv.org/pdf/1504.01536">pdf</a>, <a href="https://arxiv.org/format/1504.01536">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </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.115.061801">10.1103/PhysRevLett.115.061801 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Search for Resonances Decaying to Top and Bottom Quarks with the CDF Experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=CDF+Collaboration"> CDF Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aaltonen%2C+T">T. Aaltonen</a>, <a href="/search/hep-ex?searchtype=author&query=Amerio%2C+S">S. Amerio</a>, <a href="/search/hep-ex?searchtype=author&query=Amidei%2C+D">D. Amidei</a>, <a href="/search/hep-ex?searchtype=author&query=Anastassov%2C+A">A. Anastassov</a>, <a href="/search/hep-ex?searchtype=author&query=Annovi%2C+A">A. Annovi</a>, <a href="/search/hep-ex?searchtype=author&query=Antos%2C+J">J. Antos</a>, <a href="/search/hep-ex?searchtype=author&query=Anza%27%2C+F">F. Anza'</a>, <a href="/search/hep-ex?searchtype=author&query=Apollinari%2C+G">G. Apollinari</a>, <a href="/search/hep-ex?searchtype=author&query=Appel%2C+J+A">J. A. Appel</a>, <a href="/search/hep-ex?searchtype=author&query=Arisawa%2C+T">T. Arisawa</a>, <a href="/search/hep-ex?searchtype=author&query=Artikov%2C+A">A. Artikov</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashmanskas%2C+W">W. Ashmanskas</a>, <a href="/search/hep-ex?searchtype=author&query=Auerbach%2C+B">B. Auerbach</a>, <a href="/search/hep-ex?searchtype=author&query=Aurisano%2C+A">A. Aurisano</a>, <a href="/search/hep-ex?searchtype=author&query=Azfar%2C+F">F. Azfar</a>, <a href="/search/hep-ex?searchtype=author&query=Badgett%2C+W">W. Badgett</a>, <a href="/search/hep-ex?searchtype=author&query=Bae%2C+T">T. Bae</a>, <a href="/search/hep-ex?searchtype=author&query=Barbaro-Galtieri%2C+A">A. Barbaro-Galtieri</a>, <a href="/search/hep-ex?searchtype=author&query=Barnes%2C+V+E">V. E. Barnes</a>, <a href="/search/hep-ex?searchtype=author&query=Barnett%2C+B+A">B. A. Barnett</a>, <a href="/search/hep-ex?searchtype=author&query=Barria%2C+P">P. Barria</a>, <a href="/search/hep-ex?searchtype=author&query=Bartos%2C+P">P. Bartos</a>, <a href="/search/hep-ex?searchtype=author&query=Bauce%2C+M">M. Bauce</a> , et al. (380 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="1504.01536v1-abstract-short" style="display: inline;"> We report on a search for charged massive resonances decaying to top ($t$) and bottom ($b$) quarks in the full data set of proton-antiproton collisions at center-of-mass energy of $\sqrt{s} = 1.96$ TeV collected by the CDF~II detector at the Tevatron, corresponding to an integrated luminosity of 9.5 $fb^{-1}$. No significant excess above the standard model (SM) background prediction is observed. W… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1504.01536v1-abstract-full').style.display = 'inline'; document.getElementById('1504.01536v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1504.01536v1-abstract-full" style="display: none;"> We report on a search for charged massive resonances decaying to top ($t$) and bottom ($b$) quarks in the full data set of proton-antiproton collisions at center-of-mass energy of $\sqrt{s} = 1.96$ TeV collected by the CDF~II detector at the Tevatron, corresponding to an integrated luminosity of 9.5 $fb^{-1}$. No significant excess above the standard model (SM) background prediction is observed. We set 95% Bayesian credibility mass-dependent upper limits on the heavy charged particle production cross section times branching ratio to $t b$. Using a SM extension with a $W^{\prime}$ and left-right-symmetric couplings as a benchmark model, we constrain the $W^{\prime}$ mass and couplings in the 300 to 900 GeV/$c^2$ range. The limits presented here are the most stringent for a charged resonance with mass in the range 300 -- 600 GeV/$c^2$ decaying to top and bottom quarks. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1504.01536v1-abstract-full').style.display = 'none'; document.getElementById('1504.01536v1-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 April, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">submitted to Phys. Rev. Lett</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-15-123-PPD </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 115, 061801 (2015) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1502.01391">arXiv:1502.01391</a> <span> [<a href="https://arxiv.org/pdf/1502.01391">pdf</a>, <a href="https://arxiv.org/ps/1502.01391">ps</a>, <a href="https://arxiv.org/format/1502.01391">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/PhysRevD.91.091101">10.1103/PhysRevD.91.091101 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of central exclusive pi+pi- production in p-pbar collisions at sqrt(s) = 0.9 and 1.96 TeV at CDF </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=CDF+Collaboration"> CDF Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aaltonen%2C+T">T. Aaltonen</a>, <a href="/search/hep-ex?searchtype=author&query=Amerio%2C+S">S. Amerio</a>, <a href="/search/hep-ex?searchtype=author&query=Amidei%2C+D">D. Amidei</a>, <a href="/search/hep-ex?searchtype=author&query=Anastassov%2C+A">A. Anastassov</a>, <a href="/search/hep-ex?searchtype=author&query=Annovi%2C+A">A. Annovi</a>, <a href="/search/hep-ex?searchtype=author&query=Antos%2C+J">J. Antos</a>, <a href="/search/hep-ex?searchtype=author&query=Apollinari%2C+G">G. Apollinari</a>, <a href="/search/hep-ex?searchtype=author&query=Appel%2C+J+A">J. A. Appel</a>, <a href="/search/hep-ex?searchtype=author&query=Arisawa%2C+T">T. Arisawa</a>, <a href="/search/hep-ex?searchtype=author&query=Artikov%2C+A">A. Artikov</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashmanskas%2C+W">W. Ashmanskas</a>, <a href="/search/hep-ex?searchtype=author&query=Auerbach%2C+B">B. Auerbach</a>, <a href="/search/hep-ex?searchtype=author&query=Aurisano%2C+A">A. Aurisano</a>, <a href="/search/hep-ex?searchtype=author&query=Azfar%2C+F">F. Azfar</a>, <a href="/search/hep-ex?searchtype=author&query=Badgett%2C+W">W. Badgett</a>, <a href="/search/hep-ex?searchtype=author&query=Bae%2C+T">T. Bae</a>, <a href="/search/hep-ex?searchtype=author&query=Barbaro-Galtieri%2C+A">A. Barbaro-Galtieri</a>, <a href="/search/hep-ex?searchtype=author&query=Barnes%2C+V+E">V. E. Barnes</a>, <a href="/search/hep-ex?searchtype=author&query=Barnett%2C+B+A">B. A. Barnett</a>, <a href="/search/hep-ex?searchtype=author&query=Barria%2C+P">P. Barria</a>, <a href="/search/hep-ex?searchtype=author&query=Bartos%2C+P">P. Bartos</a>, <a href="/search/hep-ex?searchtype=author&query=Bauce%2C+M">M. Bauce</a>, <a href="/search/hep-ex?searchtype=author&query=Bedeschi%2C+F">F. Bedeschi</a> , et al. (381 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="1502.01391v3-abstract-short" style="display: inline;"> We measure exclusive $蟺^+蟺^-$ production in proton-antiproton collisions at center-of-mass energies $\sqrt{s}$ = 0.9 and 1.96 TeV in the Collider Detector at Fermilab. We select events with two oppositely charged particles, assumed to be pions, with pseudorapidity $|畏| < 1.3$ and with no other particles detected in $|畏| < 5.9$. We require the $蟺^+蟺^-$ system to have rapidity $|y|<$ 1.0. The produc… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1502.01391v3-abstract-full').style.display = 'inline'; document.getElementById('1502.01391v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1502.01391v3-abstract-full" style="display: none;"> We measure exclusive $蟺^+蟺^-$ production in proton-antiproton collisions at center-of-mass energies $\sqrt{s}$ = 0.9 and 1.96 TeV in the Collider Detector at Fermilab. We select events with two oppositely charged particles, assumed to be pions, with pseudorapidity $|畏| < 1.3$ and with no other particles detected in $|畏| < 5.9$. We require the $蟺^+蟺^-$ system to have rapidity $|y|<$ 1.0. The production mechanism of these events is expected to be dominated by double pomeron exchange, which constrains the quantum numbers of the central state. The data are potentially valuable for isoscalar meson spectroscopy and for understanding the pomeron in a region of transition between nonperturbative and perturbative quantum chromodynamics. The data extend up to dipion mass $M(蟺^+蟺^-)$ = 5000 MeV/$c^2$ and show resonance structures attributed to $f_0$ and $f_2(1270)$ mesons. From the $蟺^+蟺^-$ and $K^+K^-$ spectra, we place upper limits on exclusive $蠂_{c0}(3415)$ production. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1502.01391v3-abstract-full').style.display = 'none'; document.getElementById('1502.01391v3-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 June, 2015; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 4 February, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">7 pages, 4 figures, Minor modifications to the text based on the feedback from the journal referee</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-15-033-PPD </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 91, 091101 (2015) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1410.5435">arXiv:1410.5435</a> <span> [<a href="https://arxiv.org/pdf/1410.5435">pdf</a>, <a href="https://arxiv.org/format/1410.5435">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </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.90.111103">10.1103/PhysRevD.90.111103 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of indirect CP-violating asymmetries in $D^0\to K^+K^-$ and $D^0\to 蟺^+蟺^-$ decays at CDF </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=CDF+Collaboration"> CDF Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aaltonen%2C+T">T. Aaltonen</a>, <a href="/search/hep-ex?searchtype=author&query=Amerio%2C+S">S. Amerio</a>, <a href="/search/hep-ex?searchtype=author&query=Amidei%2C+D">D. Amidei</a>, <a href="/search/hep-ex?searchtype=author&query=Anastassov%2C+A">A. Anastassov</a>, <a href="/search/hep-ex?searchtype=author&query=Annovi%2C+A">A. Annovi</a>, <a href="/search/hep-ex?searchtype=author&query=Antos%2C+J">J. Antos</a>, <a href="/search/hep-ex?searchtype=author&query=Apollinari%2C+G">G. Apollinari</a>, <a href="/search/hep-ex?searchtype=author&query=Appel%2C+J+A">J. A. Appel</a>, <a href="/search/hep-ex?searchtype=author&query=Arisawa%2C+T">T. Arisawa</a>, <a href="/search/hep-ex?searchtype=author&query=Artikov%2C+A">A. Artikov</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashmanskas%2C+W">W. Ashmanskas</a>, <a href="/search/hep-ex?searchtype=author&query=Auerbach%2C+B">B. Auerbach</a>, <a href="/search/hep-ex?searchtype=author&query=Aurisano%2C+A">A. Aurisano</a>, <a href="/search/hep-ex?searchtype=author&query=Azfar%2C+F">F. Azfar</a>, <a href="/search/hep-ex?searchtype=author&query=Badgett%2C+W">W. Badgett</a>, <a href="/search/hep-ex?searchtype=author&query=Bae%2C+T">T. Bae</a>, <a href="/search/hep-ex?searchtype=author&query=Barbaro-Galtieri%2C+A">A. Barbaro-Galtieri</a>, <a href="/search/hep-ex?searchtype=author&query=Barnes%2C+V+E">V. E. Barnes</a>, <a href="/search/hep-ex?searchtype=author&query=Barnett%2C+B+A">B. A. Barnett</a>, <a href="/search/hep-ex?searchtype=author&query=Barria%2C+P">P. Barria</a>, <a href="/search/hep-ex?searchtype=author&query=Bartos%2C+P">P. Bartos</a>, <a href="/search/hep-ex?searchtype=author&query=Bauce%2C+M">M. Bauce</a>, <a href="/search/hep-ex?searchtype=author&query=Bedeschi%2C+F">F. Bedeschi</a> , et al. (377 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="1410.5435v2-abstract-short" style="display: inline;"> We report a measurement of the indirect CP-violating asymmetries ($A_螕$) between effective lifetimes of anticharm and charm mesons reconstructed in $D^0\to K^+ K^-$ and $D^0\to 蟺^+蟺^-$ decays. We use the full data set of proton-antiproton collisions collected by the Collider Detector at Fermilab experiment and corresponding to $9.7$~fb$^{-1}$ of integrated luminosity. The strong-interaction decay… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1410.5435v2-abstract-full').style.display = 'inline'; document.getElementById('1410.5435v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1410.5435v2-abstract-full" style="display: none;"> We report a measurement of the indirect CP-violating asymmetries ($A_螕$) between effective lifetimes of anticharm and charm mesons reconstructed in $D^0\to K^+ K^-$ and $D^0\to 蟺^+蟺^-$ decays. We use the full data set of proton-antiproton collisions collected by the Collider Detector at Fermilab experiment and corresponding to $9.7$~fb$^{-1}$ of integrated luminosity. The strong-interaction decay $D^{*+}\to D^0蟺^+$ is used to identify the meson at production as $D^0$ or $\overline{D}^0$. We statistically subtract $D^0$ and $\overline{D}^0$ mesons originating from $b$-hadron decays and measure the yield asymmetry between anticharm and charm decays as a function of decay time. We measure $A_螕(K^+K^-) = (-0.19 \pm 0.15 (stat) \pm 0.04 (syst))\%$ and $A_螕(蟺^+蟺^-)= (-0.01 \pm 0.18 (stat) \pm 0.03 (syst))\%$. The results are consistent with the hypothesis of CP symmetry and their combination yields $A_螕= (-0.12 \pm 0.12)\%$. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1410.5435v2-abstract-full').style.display = 'none'; document.getElementById('1410.5435v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 6 January, 2015; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 20 October, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2014. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">8 pages, 3 figures, version published by Phys. Rev. D</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-14-429-PPD </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 90, 111103 (2014) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1410.4909">arXiv:1410.4909</a> <span> [<a href="https://arxiv.org/pdf/1410.4909">pdf</a>, <a href="https://arxiv.org/format/1410.4909">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/PhysRevD.93.032011">10.1103/PhysRevD.93.032011 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Updated Measurement of the Single Top Quark Production Cross Section and $V{tb}$ in the Missing Transverse Energy Plus Jets Topology in $p\bar{p}$ Collisions at $\sqrt{s} = 1.96$ TeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=CDF+Collaboration"> CDF Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aaltonen%2C+T">T. Aaltonen</a>, <a href="/search/hep-ex?searchtype=author&query=Amerio%2C+S">S. Amerio</a>, <a href="/search/hep-ex?searchtype=author&query=Amidei%2C+D">D. Amidei</a>, <a href="/search/hep-ex?searchtype=author&query=Anastassov%2C+A">A. Anastassov</a>, <a href="/search/hep-ex?searchtype=author&query=Annovi%2C+A">A. Annovi</a>, <a href="/search/hep-ex?searchtype=author&query=Antos%2C+J">J. Antos</a>, <a href="/search/hep-ex?searchtype=author&query=Apollinari%2C+G">G. Apollinari</a>, <a href="/search/hep-ex?searchtype=author&query=Appel%2C+J+A">J. A. Appel</a>, <a href="/search/hep-ex?searchtype=author&query=Arisawa%2C+T">T. Arisawa</a>, <a href="/search/hep-ex?searchtype=author&query=Artikov%2C+A">A. Artikov</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashmanskas%2C+W">W. Ashmanskas</a>, <a href="/search/hep-ex?searchtype=author&query=Auerbach%2C+B">B. Auerbach</a>, <a href="/search/hep-ex?searchtype=author&query=Aurisano%2C+A">A. Aurisano</a>, <a href="/search/hep-ex?searchtype=author&query=Azfar%2C+F">F. Azfar</a>, <a href="/search/hep-ex?searchtype=author&query=Badgett%2C+W">W. Badgett</a>, <a href="/search/hep-ex?searchtype=author&query=Bae%2C+T">T. Bae</a>, <a href="/search/hep-ex?searchtype=author&query=Barbaro-Galtieri%2C+A">A. Barbaro-Galtieri</a>, <a href="/search/hep-ex?searchtype=author&query=Barnes%2C+V+E">V. E. Barnes</a>, <a href="/search/hep-ex?searchtype=author&query=Barnett%2C+B+A">B. A. Barnett</a>, <a href="/search/hep-ex?searchtype=author&query=Barria%2C+P">P. Barria</a>, <a href="/search/hep-ex?searchtype=author&query=Bartos%2C+P">P. Bartos</a>, <a href="/search/hep-ex?searchtype=author&query=Bauce%2C+M">M. Bauce</a>, <a href="/search/hep-ex?searchtype=author&query=Bedeschi%2C+F">F. Bedeschi</a> , et al. (377 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="1410.4909v2-abstract-short" style="display: inline;"> An updated measurement of the single top quark production cross section is presented using the full data set collected by the Collider Detector at Fermilab (CDF) and corresponding to 9.5 fb${}^{-1}$ of integrated luminosity from proton-antiproton collisions at 1.96 TeV center-of-mass energy. The events selected contain an imbalance in the total transverse energy, jets identified as originating fro… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1410.4909v2-abstract-full').style.display = 'inline'; document.getElementById('1410.4909v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1410.4909v2-abstract-full" style="display: none;"> An updated measurement of the single top quark production cross section is presented using the full data set collected by the Collider Detector at Fermilab (CDF) and corresponding to 9.5 fb${}^{-1}$ of integrated luminosity from proton-antiproton collisions at 1.96 TeV center-of-mass energy. The events selected contain an imbalance in the total transverse energy, jets identified as originating from $b$ quarks, and no identified leptons. The sum of the $s$- and $t$-channel single top quark cross sections is measured to be $3.53_{-1.16}^{+1.25}$ pb and a lower limit on $V_{tb}$ of 0.63 is obtained at the 95% credibility level. These measurements are combined with previously reported CDF results obtained from events with an imbalance in total transverse energy, jets identified as originating from $b$ quarks, and exactly one identified lepton. The combined cross section is measured to be $3.02_{-0.48}^{+0.49}$ pb and a lower limit on $V{tb}$ of 0.84 is obtained at the 95% credibility level. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1410.4909v2-abstract-full').style.display = 'none'; document.getElementById('1410.4909v2-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 October, 2014; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 18 October, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2014. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">submitted to Phys. Rev. Lett</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-14-398-E </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 93, 032011 (2016) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1409.4906">arXiv:1409.4906</a> <span> [<a href="https://arxiv.org/pdf/1409.4906">pdf</a>, <a href="https://arxiv.org/ps/1409.4906">ps</a>, <a href="https://arxiv.org/format/1409.4906">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/PhysRevD.90.091101">10.1103/PhysRevD.90.091101 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of the Top-Quark Mass in the All-Hadronic Channel using the full CDF data set </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=CDF+Collaboration"> CDF Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aaltonen%2C+T">T. Aaltonen</a>, <a href="/search/hep-ex?searchtype=author&query=Amerio%2C+S">S. Amerio</a>, <a href="/search/hep-ex?searchtype=author&query=Amidei%2C+D">D. Amidei</a>, <a href="/search/hep-ex?searchtype=author&query=Anastassov%2C+A">A. Anastassov</a>, <a href="/search/hep-ex?searchtype=author&query=Annovi%2C+A">A. Annovi</a>, <a href="/search/hep-ex?searchtype=author&query=Antos%2C+J">J. Antos</a>, <a href="/search/hep-ex?searchtype=author&query=Apollinari%2C+G">G. Apollinari</a>, <a href="/search/hep-ex?searchtype=author&query=Appel%2C+J+A">J. A. Appel</a>, <a href="/search/hep-ex?searchtype=author&query=Arisawa%2C+T">T. Arisawa</a>, <a href="/search/hep-ex?searchtype=author&query=Artikov%2C+A">A. Artikov</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashmanskas%2C+W">W. Ashmanskas</a>, <a href="/search/hep-ex?searchtype=author&query=Auerbach%2C+B">B. Auerbach</a>, <a href="/search/hep-ex?searchtype=author&query=Aurisano%2C+A">A. Aurisano</a>, <a href="/search/hep-ex?searchtype=author&query=Azfar%2C+F">F. Azfar</a>, <a href="/search/hep-ex?searchtype=author&query=Badgett%2C+W">W. Badgett</a>, <a href="/search/hep-ex?searchtype=author&query=Bae%2C+T">T. Bae</a>, <a href="/search/hep-ex?searchtype=author&query=Barbaro-Galtieri%2C+A">A. Barbaro-Galtieri</a>, <a href="/search/hep-ex?searchtype=author&query=Barnes%2C+V+E">V. E. Barnes</a>, <a href="/search/hep-ex?searchtype=author&query=Barnett%2C+B+A">B. A. Barnett</a>, <a href="/search/hep-ex?searchtype=author&query=Barria%2C+P">P. Barria</a>, <a href="/search/hep-ex?searchtype=author&query=Bartos%2C+P">P. Bartos</a>, <a href="/search/hep-ex?searchtype=author&query=Bauce%2C+M">M. Bauce</a>, <a href="/search/hep-ex?searchtype=author&query=Bedeschi%2C+F">F. Bedeschi</a> , et al. (383 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1409.4906v3-abstract-short" style="display: inline;"> The top-quark mass M_top is measured using top quark-antiquark pairs produced in proton-antiproton collisions at a center-of-mass energy of 1.96 TeV and decaying into a fully hadronic final state. The full data set collected with the CDFII detector at the Fermilab Tevatron Collider, corresponding to an integrated luminosity of 9.3 fb-1, is used. Events are selected that have six to eight jets, at… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1409.4906v3-abstract-full').style.display = 'inline'; document.getElementById('1409.4906v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1409.4906v3-abstract-full" style="display: none;"> The top-quark mass M_top is measured using top quark-antiquark pairs produced in proton-antiproton collisions at a center-of-mass energy of 1.96 TeV and decaying into a fully hadronic final state. The full data set collected with the CDFII detector at the Fermilab Tevatron Collider, corresponding to an integrated luminosity of 9.3 fb-1, is used. Events are selected that have six to eight jets, at least one of which is identified as having originated from a b quark. In addition, a multivariate algorithm, containing multiple kinematic variables as inputs, is used to discriminate signal events from background events due to QCD multijet production. Templates for the reconstructed top-quark mass are combined in a likelihood fit to measure M_top with a simultaneous calibration of the jet-energy scale. A value of M_top = 175.07+- 1.19(stat)+1.55-1.58(syst) GeV/c^2 is obtained for the top-quark mass. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1409.4906v3-abstract-full').style.display = 'none'; document.getElementById('1409.4906v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 8 October, 2014; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 17 September, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2014. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Minor modifications to the text based on the feedback from the journal referee</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-14-338-E </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 90, 091101 (2014) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1409.4359">arXiv:1409.4359</a> <span> [<a href="https://arxiv.org/pdf/1409.4359">pdf</a>, <a href="https://arxiv.org/format/1409.4359">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/PhysRevD.91.012002">10.1103/PhysRevD.91.012002 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of differential production cross section for $Z/纬^*$ bosons in association with jets in $p\bar{p}$ collisions at $\sqrt{s}=1.96$ TeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=CDF+Collaboration"> CDF Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aaltonen%2C+T">T. Aaltonen</a>, <a href="/search/hep-ex?searchtype=author&query=Amerio%2C+S">S. Amerio</a>, <a href="/search/hep-ex?searchtype=author&query=Amidei%2C+D">D. Amidei</a>, <a href="/search/hep-ex?searchtype=author&query=Anastassov%2C+A">A. Anastassov</a>, <a href="/search/hep-ex?searchtype=author&query=Annovi%2C+A">A. Annovi</a>, <a href="/search/hep-ex?searchtype=author&query=Antos%2C+J">J. Antos</a>, <a href="/search/hep-ex?searchtype=author&query=Apollinari%2C+G">G. Apollinari</a>, <a href="/search/hep-ex?searchtype=author&query=Appel%2C+J+A">J. A. Appel</a>, <a href="/search/hep-ex?searchtype=author&query=Arisawa%2C+T">T. Arisawa</a>, <a href="/search/hep-ex?searchtype=author&query=Artikov%2C+A">A. Artikov</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashmanskas%2C+W">W. Ashmanskas</a>, <a href="/search/hep-ex?searchtype=author&query=Auerbach%2C+B">B. Auerbach</a>, <a href="/search/hep-ex?searchtype=author&query=Aurisano%2C+A">A. Aurisano</a>, <a href="/search/hep-ex?searchtype=author&query=Azfar%2C+F">F. Azfar</a>, <a href="/search/hep-ex?searchtype=author&query=Badgett%2C+W">W. Badgett</a>, <a href="/search/hep-ex?searchtype=author&query=Bae%2C+T">T. Bae</a>, <a href="/search/hep-ex?searchtype=author&query=Barbaro-Galtieri%2C+A">A. Barbaro-Galtieri</a>, <a href="/search/hep-ex?searchtype=author&query=Barnes%2C+V+E">V. E. Barnes</a>, <a href="/search/hep-ex?searchtype=author&query=Barnett%2C+B+A">B. A. Barnett</a>, <a href="/search/hep-ex?searchtype=author&query=Barria%2C+P">P. Barria</a>, <a href="/search/hep-ex?searchtype=author&query=Bartos%2C+P">P. Bartos</a>, <a href="/search/hep-ex?searchtype=author&query=Bauce%2C+M">M. Bauce</a>, <a href="/search/hep-ex?searchtype=author&query=Bedeschi%2C+F">F. Bedeschi</a> , et al. (377 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="1409.4359v1-abstract-short" style="display: inline;"> Differential cross sections for the production of $Z$ bosons or off-shell photons $纬^*$ in association with jets are measured in proton-antiproton collisions at center-of-mass energy $\sqrt{s}=1.96$ TeV using the full data set collected with the Collider Detector at Fermilab in Tevatron Run II, and corresponding to 9.6 fb$^{-1}$ of integrated luminosity. Results include first measurements at CDF o… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1409.4359v1-abstract-full').style.display = 'inline'; document.getElementById('1409.4359v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1409.4359v1-abstract-full" style="display: none;"> Differential cross sections for the production of $Z$ bosons or off-shell photons $纬^*$ in association with jets are measured in proton-antiproton collisions at center-of-mass energy $\sqrt{s}=1.96$ TeV using the full data set collected with the Collider Detector at Fermilab in Tevatron Run II, and corresponding to 9.6 fb$^{-1}$ of integrated luminosity. Results include first measurements at CDF of differential cross sections in events with a $Z/纬^*$ boson and three or more jets, the inclusive cross section for production of $Z/纬^*$ and four or more jets, and cross sections as functions of various angular observables in lower jet-multiplicity final states. Measured cross sections are compared to several theoretical predictions. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1409.4359v1-abstract-full').style.display = 'none'; document.getElementById('1409.4359v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 15 September, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2014. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">submitted to Phys. Rev. D</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-14-337-E </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 91, 012002 (2015) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1407.4031">arXiv:1407.4031</a> <span> [<a href="https://arxiv.org/pdf/1407.4031">pdf</a>, <a href="https://arxiv.org/format/1407.4031">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.113.261804">10.1103/PhysRevLett.113.261804 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of the Single Top Quark Production Cross Section and |Vtb| in Events with One Charged Lepton, Large Missing Transverse Energy, and Jets at CDF </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=CDF+Collaboration"> CDF Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aaltonen%2C+T">T. Aaltonen</a>, <a href="/search/hep-ex?searchtype=author&query=Amerio%2C+S">S. Amerio</a>, <a href="/search/hep-ex?searchtype=author&query=Amidei%2C+D">D. Amidei</a>, <a href="/search/hep-ex?searchtype=author&query=Anastassov%2C+A">A. Anastassov</a>, <a href="/search/hep-ex?searchtype=author&query=Annovi%2C+A">A. Annovi</a>, <a href="/search/hep-ex?searchtype=author&query=Antos%2C+J">J. Antos</a>, <a href="/search/hep-ex?searchtype=author&query=Apollinari%2C+G">G. Apollinari</a>, <a href="/search/hep-ex?searchtype=author&query=Appel%2C+J+A">J. A. Appel</a>, <a href="/search/hep-ex?searchtype=author&query=Arisawa%2C+T">T. Arisawa</a>, <a href="/search/hep-ex?searchtype=author&query=Artikov%2C+A">A. Artikov</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashmanskas%2C+W">W. Ashmanskas</a>, <a href="/search/hep-ex?searchtype=author&query=Auerbach%2C+B">B. Auerbach</a>, <a href="/search/hep-ex?searchtype=author&query=Aurisano%2C+A">A. Aurisano</a>, <a href="/search/hep-ex?searchtype=author&query=Azfar%2C+F">F. Azfar</a>, <a href="/search/hep-ex?searchtype=author&query=Badgett%2C+W">W. Badgett</a>, <a href="/search/hep-ex?searchtype=author&query=Bae%2C+T">T. Bae</a>, <a href="/search/hep-ex?searchtype=author&query=Barbaro-Galtieri%2C+A">A. Barbaro-Galtieri</a>, <a href="/search/hep-ex?searchtype=author&query=Barnes%2C+V+E">V. E. Barnes</a>, <a href="/search/hep-ex?searchtype=author&query=Barnett%2C+B+A">B. A. Barnett</a>, <a href="/search/hep-ex?searchtype=author&query=Barria%2C+P">P. Barria</a>, <a href="/search/hep-ex?searchtype=author&query=Bartos%2C+P">P. Bartos</a>, <a href="/search/hep-ex?searchtype=author&query=Bauce%2C+M">M. Bauce</a>, <a href="/search/hep-ex?searchtype=author&query=Bedeschi%2C+F">F. Bedeschi</a> , et al. (378 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="1407.4031v2-abstract-short" style="display: inline;"> We report a measurement of single top quark production in proton-antiproton collisions at a center-of-mass energy of \sqrt{s} = 1.96 TeV using a data set corresponding to 7.5 fb-1 of integrated luminosity collected by the Collider Detector at Fermilab. We select events consistent with the single top quark decay process t \to Wb \to l谓b by requiring the presence of an electron or muon, a large imba… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1407.4031v2-abstract-full').style.display = 'inline'; document.getElementById('1407.4031v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1407.4031v2-abstract-full" style="display: none;"> We report a measurement of single top quark production in proton-antiproton collisions at a center-of-mass energy of \sqrt{s} = 1.96 TeV using a data set corresponding to 7.5 fb-1 of integrated luminosity collected by the Collider Detector at Fermilab. We select events consistent with the single top quark decay process t \to Wb \to l谓b by requiring the presence of an electron or muon, a large imbalance of transverse momentum indicating the presence of a neutrino, and two or three jets including at least one originating from a bottom quark. An artificial neural network is used to discriminate the signal from backgrounds. We measure a single top quark production cross section of 3.04+0.57-0.53 pb and set a lower limit on the magnitude of the coupling between the top quark and bottom quark |Vtb| > 0.78 at the 95% credibility level. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1407.4031v2-abstract-full').style.display = 'none'; document.getElementById('1407.4031v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 24 January, 2015; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 15 July, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2014. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Version appearing in Physical Review Letters</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-14-229-E </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 113, 261804 (2014) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1407.3484">arXiv:1407.3484</a> <span> [<a href="https://arxiv.org/pdf/1407.3484">pdf</a>, <a href="https://arxiv.org/format/1407.3484">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/PhysRevD.91.032006">10.1103/PhysRevD.91.032006 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Studies of high-transverse momentum jet substructure and top quarks produced in 1.96 TeV proton-antiproton collisions </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Aaltonen%2C+T">T. Aaltonen</a>, <a href="/search/hep-ex?searchtype=author&query=Alon%2C+R">R. Alon</a>, <a href="/search/hep-ex?searchtype=author&query=Amerio%2C+S">S. Amerio</a>, <a href="/search/hep-ex?searchtype=author&query=Amidei%2C+D">D. Amidei</a>, <a href="/search/hep-ex?searchtype=author&query=Anastassov%2C+A">A. Anastassov</a>, <a href="/search/hep-ex?searchtype=author&query=Annovi%2C+A">A. Annovi</a>, <a href="/search/hep-ex?searchtype=author&query=Antos%2C+J">J. Antos</a>, <a href="/search/hep-ex?searchtype=author&query=Apollinari%2C+G">G. Apollinari</a>, <a href="/search/hep-ex?searchtype=author&query=Appel%2C+J+A">J. A. Appel</a>, <a href="/search/hep-ex?searchtype=author&query=Arisawa%2C+T">T. Arisawa</a>, <a href="/search/hep-ex?searchtype=author&query=Artikov%2C+A">A. Artikov</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashmanskas%2C+W">W. Ashmanskas</a>, <a href="/search/hep-ex?searchtype=author&query=Auerbach%2C+B">B. Auerbach</a>, <a href="/search/hep-ex?searchtype=author&query=Aurisano%2C+A">A. Aurisano</a>, <a href="/search/hep-ex?searchtype=author&query=Azfar%2C+F">F. Azfar</a>, <a href="/search/hep-ex?searchtype=author&query=Badgett%2C+W">W. Badgett</a>, <a href="/search/hep-ex?searchtype=author&query=Bae%2C+T">T. Bae</a>, <a href="/search/hep-ex?searchtype=author&query=Barbaro-Galtieri%2C+A">A. Barbaro-Galtieri</a>, <a href="/search/hep-ex?searchtype=author&query=Barnes%2C+V+E">V. E. Barnes</a>, <a href="/search/hep-ex?searchtype=author&query=Barnett%2C+B+A">B. A. Barnett</a>, <a href="/search/hep-ex?searchtype=author&query=Barria%2C+P">P. Barria</a>, <a href="/search/hep-ex?searchtype=author&query=Bartos%2C+P">P. Bartos</a>, <a href="/search/hep-ex?searchtype=author&query=Bauce%2C+M">M. Bauce</a>, <a href="/search/hep-ex?searchtype=author&query=Bedeschi%2C+F">F. Bedeschi</a> , et al. (381 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="1407.3484v1-abstract-short" style="display: inline;"> Results of a study of the substructure of the highest transverse momentum (pT) jets observed by the CDF collaboration are presented. Events containing at least one jet with pT > 400 GeV/c in a sample corresponding to an integrated luminosity of 5.95 inverse fb, collected in 1.96 TeV proton-antiproton collisions at the Fermilab Tevatron collider, are selected. A study of the jet mass, angularity, a… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1407.3484v1-abstract-full').style.display = 'inline'; document.getElementById('1407.3484v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1407.3484v1-abstract-full" style="display: none;"> Results of a study of the substructure of the highest transverse momentum (pT) jets observed by the CDF collaboration are presented. Events containing at least one jet with pT > 400 GeV/c in a sample corresponding to an integrated luminosity of 5.95 inverse fb, collected in 1.96 TeV proton-antiproton collisions at the Fermilab Tevatron collider, are selected. A study of the jet mass, angularity, and planar-flow distributions is presented, and the measurements are compared with predictions of perturbative quantum chromodynamics. A search for boosted top-quark production is also described, leading to a 95% confidence level upper limit of 38 fb on the production cross section of top quarks with pT > 400 GeV/c. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1407.3484v1-abstract-full').style.display = 'none'; document.getElementById('1407.3484v1-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 July, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2014. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">51 pages, to be submitted to Physical Review D</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-14-228-E </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 91, 032006 (2015) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1404.3698">arXiv:1404.3698</a> <span> [<a href="https://arxiv.org/pdf/1404.3698">pdf</a>, <a href="https://arxiv.org/ps/1404.3698">ps</a>, <a href="https://arxiv.org/format/1404.3698">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.113.042001">10.1103/PhysRevLett.113.042001 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of the inclusive leptonic asymmetry in top-quark pairs that decay to two charged leptons at CDF </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=CDF+Collaboration"> CDF Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aaltonen%2C+T">T. Aaltonen</a>, <a href="/search/hep-ex?searchtype=author&query=Amerio%2C+S">S. Amerio</a>, <a href="/search/hep-ex?searchtype=author&query=Amidei%2C+D">D. Amidei</a>, <a href="/search/hep-ex?searchtype=author&query=Anastassov%2C+A">A. Anastassov</a>, <a href="/search/hep-ex?searchtype=author&query=Annovi%2C+A">A. Annovi</a>, <a href="/search/hep-ex?searchtype=author&query=Antos%2C+J">J. Antos</a>, <a href="/search/hep-ex?searchtype=author&query=Apollinari%2C+G">G. Apollinari</a>, <a href="/search/hep-ex?searchtype=author&query=Appel%2C+J+A">J. A. Appel</a>, <a href="/search/hep-ex?searchtype=author&query=Arisawa%2C+T">T. Arisawa</a>, <a href="/search/hep-ex?searchtype=author&query=Artikov%2C+A">A. Artikov</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashmanskas%2C+W">W. Ashmanskas</a>, <a href="/search/hep-ex?searchtype=author&query=Auerbach%2C+B">B. Auerbach</a>, <a href="/search/hep-ex?searchtype=author&query=Aurisano%2C+A">A. Aurisano</a>, <a href="/search/hep-ex?searchtype=author&query=Azfar%2C+F">F. Azfar</a>, <a href="/search/hep-ex?searchtype=author&query=Badgett%2C+W">W. Badgett</a>, <a href="/search/hep-ex?searchtype=author&query=Bae%2C+T">T. Bae</a>, <a href="/search/hep-ex?searchtype=author&query=Barbaro-Galtieri%2C+A">A. Barbaro-Galtieri</a>, <a href="/search/hep-ex?searchtype=author&query=Barnes%2C+V+E">V. E. Barnes</a>, <a href="/search/hep-ex?searchtype=author&query=Barnett%2C+B+A">B. A. Barnett</a>, <a href="/search/hep-ex?searchtype=author&query=Barria%2C+P">P. Barria</a>, <a href="/search/hep-ex?searchtype=author&query=Bartos%2C+P">P. Bartos</a>, <a href="/search/hep-ex?searchtype=author&query=Bauce%2C+M">M. Bauce</a>, <a href="/search/hep-ex?searchtype=author&query=Bedeschi%2C+F">F. Bedeschi</a> , et al. (383 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1404.3698v1-abstract-short" style="display: inline;"> We measure the inclusive forward-backward asymmetry of the charged-lepton pseudorapidities from top-quark pairs produced in proton-antiproton collisions, and decaying to final states that contain two charged leptons (electrons or muons), using data collected with the Collider Detector at Fermilab. With an integrated luminosity of 9.1 $\rm{fb}^{-1}$, the leptonic forward-backward asymmetry,… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1404.3698v1-abstract-full').style.display = 'inline'; document.getElementById('1404.3698v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1404.3698v1-abstract-full" style="display: none;"> We measure the inclusive forward-backward asymmetry of the charged-lepton pseudorapidities from top-quark pairs produced in proton-antiproton collisions, and decaying to final states that contain two charged leptons (electrons or muons), using data collected with the Collider Detector at Fermilab. With an integrated luminosity of 9.1 $\rm{fb}^{-1}$, the leptonic forward-backward asymmetry, $A_{\text{FB}}^{\ell}$, is measured to be $0.072 \pm 0.060$ and the leptonic pair forward-backward asymmetry, $A_{\text{FB}}^{\ell\ell}$, is measured to be $0.076 \pm 0.082$, compared with the standard model predictions of $A_{\text{FB}}^{\ell} = 0.038 \pm 0.003$ and $A_{\text{FB}}^{\ell\ell} = 0.048 \pm 0.004$, respectively. Additionally, we combine the $A_{\text{FB}}^{\ell}$ result with a previous determination from a final state with a single lepton and hadronic jets and obtain $A_{\text{FB}}^{\ell} = 0.090^{+0.028}_{-0.026}$. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1404.3698v1-abstract-full').style.display = 'none'; document.getElementById('1404.3698v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 14 April, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2014. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-14-096-E </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 113, 042001 (2014) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1404.3392">arXiv:1404.3392</a> <span> [<a href="https://arxiv.org/pdf/1404.3392">pdf</a>, <a href="https://arxiv.org/ps/1404.3392">ps</a>, <a href="https://arxiv.org/format/1404.3392">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.112.221801">10.1103/PhysRevLett.112.221801 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of \boldmath $R = {\mathcal{B}\left(t \rightarrow Wb \right)/\mathcal{B}\left(t \rightarrow Wq \right)} $ in Top--Quark--Pair Decays using Dilepton Events and the Full CDF Run II Data Set </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=CDF+Collaboration"> CDF Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aaltonen%2C+T">T. Aaltonen</a>, <a href="/search/hep-ex?searchtype=author&query=Amerio%2C+S">S. Amerio</a>, <a href="/search/hep-ex?searchtype=author&query=Amidei%2C+D">D. Amidei</a>, <a href="/search/hep-ex?searchtype=author&query=Anastassov%2C+A">A. Anastassov</a>, <a href="/search/hep-ex?searchtype=author&query=Annovi%2C+A">A. Annovi</a>, <a href="/search/hep-ex?searchtype=author&query=Antos%2C+J">J. Antos</a>, <a href="/search/hep-ex?searchtype=author&query=Apollinari%2C+G">G. Apollinari</a>, <a href="/search/hep-ex?searchtype=author&query=Appel%2C+J+A">J. A. Appel</a>, <a href="/search/hep-ex?searchtype=author&query=Arisawa%2C+T">T. Arisawa</a>, <a href="/search/hep-ex?searchtype=author&query=Artikov%2C+A">A. Artikov</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashmanskas%2C+W">W. Ashmanskas</a>, <a href="/search/hep-ex?searchtype=author&query=Auerbach%2C+B">B. Auerbach</a>, <a href="/search/hep-ex?searchtype=author&query=Aurisano%2C+A">A. Aurisano</a>, <a href="/search/hep-ex?searchtype=author&query=Azfar%2C+F">F. Azfar</a>, <a href="/search/hep-ex?searchtype=author&query=Badgett%2C+W">W. Badgett</a>, <a href="/search/hep-ex?searchtype=author&query=Bae%2C+T">T. Bae</a>, <a href="/search/hep-ex?searchtype=author&query=Barbaro-Galtieri%2C+A">A. Barbaro-Galtieri</a>, <a href="/search/hep-ex?searchtype=author&query=Barnes%2C+V+E">V. E. Barnes</a>, <a href="/search/hep-ex?searchtype=author&query=Barnett%2C+B+A">B. A. Barnett</a>, <a href="/search/hep-ex?searchtype=author&query=Barria%2C+P">P. Barria</a>, <a href="/search/hep-ex?searchtype=author&query=Bartos%2C+P">P. Bartos</a>, <a href="/search/hep-ex?searchtype=author&query=Bauce%2C+M">M. Bauce</a>, <a href="/search/hep-ex?searchtype=author&query=Bedeschi%2C+F">F. Bedeschi</a> , et al. (383 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1404.3392v1-abstract-short" style="display: inline;"> We present a measurement of the ratio of the top-quark branching fractions $R=\mathcal{B}(t\rightarrow Wb)/\mathcal{B}(t\rightarrow $ $q$ represents quarks of flavors $b$, $s$, or $d$, in the final state, in events with two charged leptons, missing transverse energy and at least two jets. The measurement uses $\sqrt{s}$ = 1.96 TeV proton--antiproton collision data corresponding to an integrated lu… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1404.3392v1-abstract-full').style.display = 'inline'; document.getElementById('1404.3392v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1404.3392v1-abstract-full" style="display: none;"> We present a measurement of the ratio of the top-quark branching fractions $R=\mathcal{B}(t\rightarrow Wb)/\mathcal{B}(t\rightarrow $ $q$ represents quarks of flavors $b$, $s$, or $d$, in the final state, in events with two charged leptons, missing transverse energy and at least two jets. The measurement uses $\sqrt{s}$ = 1.96 TeV proton--antiproton collision data corresponding to an integrated luminosity of 8.7 fb$^{-1}$ and collected with the Collider Detector at Fermilab during Run II of the Tevatron. We measure $R=0.87 \pm 0.07$ (stat+syst), and extract the magnitude of the Cabibbo-Kobayashi-Maskawa matrix element, $\left|V_{tb}\right| = 0.93 \pm 0.04$ (stat+syst) assuming three generations of quarks. Under these assumptions, a lower limit of $|V_{tb}|>0.85$ at 95% credibility level is set. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1404.3392v1-abstract-full').style.display = 'none'; document.getElementById('1404.3392v1-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 April, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2014. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">submitted to PRL</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> Fermilab PUB-14-099-E </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 112, 221801 (2014) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1403.8126">arXiv:1403.8126</a> <span> [<a href="https://arxiv.org/pdf/1403.8126">pdf</a>, <a href="https://arxiv.org/ps/1403.8126">ps</a>, <a href="https://arxiv.org/format/1403.8126">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/PhysRevD.89.072014">10.1103/PhysRevD.89.072014 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Mass and lifetime measurements of bottom and charm baryons in $p\bar p$ collisions at $\sqrt{s}= 1.96 TeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=CDF+Collaboration"> CDF Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aaltonen%2C+T">T. Aaltonen</a>, <a href="/search/hep-ex?searchtype=author&query=Amerio%2C+S">S. Amerio</a>, <a href="/search/hep-ex?searchtype=author&query=Amidei%2C+D">D. Amidei</a>, <a href="/search/hep-ex?searchtype=author&query=Anastassov%2C+A">A. Anastassov</a>, <a href="/search/hep-ex?searchtype=author&query=Annovi%2C+A">A. Annovi</a>, <a href="/search/hep-ex?searchtype=author&query=Antos%2C+J">J. Antos</a>, <a href="/search/hep-ex?searchtype=author&query=Apollinari%2C+G">G. Apollinari</a>, <a href="/search/hep-ex?searchtype=author&query=Appel%2C+J+A">J. A. Appel</a>, <a href="/search/hep-ex?searchtype=author&query=Arisawa%2C+T">T. Arisawa</a>, <a href="/search/hep-ex?searchtype=author&query=Artikov%2C+A">A. Artikov</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashmanskas%2C+W">W. Ashmanskas</a>, <a href="/search/hep-ex?searchtype=author&query=Auerbach%2C+B">B. Auerbach</a>, <a href="/search/hep-ex?searchtype=author&query=Aurisano%2C+A">A. Aurisano</a>, <a href="/search/hep-ex?searchtype=author&query=Azfar%2C+F">F. Azfar</a>, <a href="/search/hep-ex?searchtype=author&query=Badgett%2C+W">W. Badgett</a>, <a href="/search/hep-ex?searchtype=author&query=Bae%2C+T">T. Bae</a>, <a href="/search/hep-ex?searchtype=author&query=Barbaro-Galtieri%2C+A">A. Barbaro-Galtieri</a>, <a href="/search/hep-ex?searchtype=author&query=Barnes%2C+V+E">V. E. Barnes</a>, <a href="/search/hep-ex?searchtype=author&query=Barnett%2C+B+A">B. A. Barnett</a>, <a href="/search/hep-ex?searchtype=author&query=Barria%2C+P">P. Barria</a>, <a href="/search/hep-ex?searchtype=author&query=Bartos%2C+P">P. Bartos</a>, <a href="/search/hep-ex?searchtype=author&query=Bauce%2C+M">M. Bauce</a>, <a href="/search/hep-ex?searchtype=author&query=Bedeschi%2C+F">F. Bedeschi</a> , et al. (383 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1403.8126v1-abstract-short" style="display: inline;"> We report on mass and lifetime measurements of several ground state charmed and bottom baryons, using a data sample corresponding to 9.6 $\textrm{fb}^{-1}$ from $p\bar p$ collisions at $\sqrt{s}=1.96$ TeV, and recorded with the Collider Detector at Fermilab. Baryon candidates are reconstructed from data collected with an online event selection designed for the collection of long-lifetime heavy-fla… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1403.8126v1-abstract-full').style.display = 'inline'; document.getElementById('1403.8126v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1403.8126v1-abstract-full" style="display: none;"> We report on mass and lifetime measurements of several ground state charmed and bottom baryons, using a data sample corresponding to 9.6 $\textrm{fb}^{-1}$ from $p\bar p$ collisions at $\sqrt{s}=1.96$ TeV, and recorded with the Collider Detector at Fermilab. Baryon candidates are reconstructed from data collected with an online event selection designed for the collection of long-lifetime heavy-flavor decay products and a second event selection designed to collect $J/蠄\rightarrow 渭^+ \, 渭^-$ candidates. First evidence for the process $惟_b^- \rightarrow 惟_c^0 \, 蟺^-$ is presented with a significance of $3.3蟽$. We measure the following baryon masses: \begin{eqnarray} M(螢_c^{0}) = 2470.85\pm0.24(stat)\pm0.55(syst) \, MeV/c^2, \nonumber M(螢_c^{+}) = 2468.00\pm0.18(stat)\pm0.51(syst) \, MeV/c^2, \nonumber \\ M(螞_b) = 5620.15\pm0.31(stat)\pm0.47(syst) \, MeV/c^2, \nonumber \\ M(螢_b^-) = 5793.4\pm1.8(stat)\pm0.7(syst) \, MeV/c^2, \nonumber \\ M(螢_b^0) = 5788.7\pm4.3(stat)\pm1.4(syst) \, MeV/c^2, \, and \nonumber \\ M(惟_b^-) = 6047.5\pm3.8(stat)\pm0.6(syst) \, MeV/c^2. \nonumber \end{eqnarray} The isospin splitting of the $螢_b^{-,0}$ states is found to be $M(螢_b^-)-M(螢_b^0)=4.7\pm4.7(stat)\pm0.7(syst)$ MeV/$c^2$. The isospin splitting of the $螢_c^{0,+}$ states is found to be $M(螢_c^0)-M(螢_c^+)$ = $2.85\pm0.30(stat)\pm0.04(syst)$ MeV/$c^2$. The following lifetime measurements are made: \begin{eqnarray} 蟿(螞_b) = 1.565\pm0.035(stat)\pm0.020(syst) \, ps, \nonumber \\ 蟿(螢_b^-) = 1.32\pm0.14(stat)\pm0.02(syst) \, ps, \nonumber \\ 蟿(惟_b^-) = 1.66^{+0.53}_{-0.40}(stat)\pm0.02(syst) \, ps. \nonumber \end{eqnarray} <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1403.8126v1-abstract-full').style.display = 'none'; document.getElementById('1403.8126v1-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 March, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2014. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-14-061-E </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 89, 072014 (2014) </p> </li> </ol> <nav class="pagination is-small is-centered breathe-horizontal" role="navigation" aria-label="pagination"> <a href="" class="pagination-previous is-invisible">Previous </a> <a href="/search/?searchtype=author&query=Bhatti%2C+A&start=50" class="pagination-next" >Next </a> <ul class="pagination-list"> <li> <a href="/search/?searchtype=author&query=Bhatti%2C+A&start=0" class="pagination-link is-current" aria-label="Goto page 1">1 </a> </li> <li> <a href="/search/?searchtype=author&query=Bhatti%2C+A&start=50" class="pagination-link " aria-label="Page 2" aria-current="page">2 </a> </li> <li> <a href="/search/?searchtype=author&query=Bhatti%2C+A&start=100" class="pagination-link " aria-label="Page 3" aria-current="page">3 </a> </li> </ul> </nav> <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> 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