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is-link">Go</button> </div> </div> </form> </div> </div> <ol class="breathe-horizontal" start="1"> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2410.17701">arXiv:2410.17701</a> <span> [<a href="https://arxiv.org/pdf/2410.17701">pdf</a>, <a href="https://arxiv.org/format/2410.17701">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> </div> <p class="title is-5 mathjax"> Nuclear structure of dripline nuclei elucidated through precision mass measurements of $^{23}$Si, $^{26}$P, $^{27,28}$S, and $^{31}$Ar </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Yu%2C+Y">Y. Yu</a>, <a href="/search/nucl-ex?searchtype=author&query=Xing%2C+Y+M">Y. M. Xing</a>, <a href="/search/nucl-ex?searchtype=author&query=Zhang%2C+Y+H">Y. H. Zhang</a>, <a href="/search/nucl-ex?searchtype=author&query=Wang%2C+M">M. Wang</a>, <a href="/search/nucl-ex?searchtype=author&query=Zhou%2C+X+H">X. H. Zhou</a>, <a href="/search/nucl-ex?searchtype=author&query=Li%2C+J+G">J. G. Li</a>, <a href="/search/nucl-ex?searchtype=author&query=Li%2C+H+H">H. H. Li</a>, <a href="/search/nucl-ex?searchtype=author&query=Yuan%2C+Q">Q. Yuan</a>, <a href="/search/nucl-ex?searchtype=author&query=Niu%2C+Y+F">Y. F. Niu</a>, <a href="/search/nucl-ex?searchtype=author&query=Huang%2C+Y+N">Y. N. Huang</a>, <a href="/search/nucl-ex?searchtype=author&query=Geng%2C+J">J. Geng</a>, <a href="/search/nucl-ex?searchtype=author&query=Guo%2C+J+Y">J. Y. Guo</a>, <a href="/search/nucl-ex?searchtype=author&query=Chen%2C+J+W">J. W. Chen</a>, <a href="/search/nucl-ex?searchtype=author&query=Pei%2C+J+C">J. C. Pei</a>, <a href="/search/nucl-ex?searchtype=author&query=Xu%2C+F+R">F. R. Xu</a>, <a href="/search/nucl-ex?searchtype=author&query=Litvinov%2C+Y+A">Yu. A. Litvinov</a>, <a href="/search/nucl-ex?searchtype=author&query=Blaum%2C+K">K. Blaum</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Angelis%2C+G">G. de Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=Tanihata%2C+I">I. Tanihata</a>, <a href="/search/nucl-ex?searchtype=author&query=Yamaguchi%2C+T">T. Yamaguchi</a>, <a href="/search/nucl-ex?searchtype=author&query=Zhou%2C+X">X. Zhou</a>, <a href="/search/nucl-ex?searchtype=author&query=Xu%2C+H+S">H. S. Xu</a>, <a href="/search/nucl-ex?searchtype=author&query=Chen%2C+Z+Y">Z. Y. Chen</a>, <a href="/search/nucl-ex?searchtype=author&query=Chen%2C+R+J">R. J. Chen</a>, <a href="/search/nucl-ex?searchtype=author&query=Deng%2C+H+Y">H. Y. Deng</a> , et al. (17 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="2410.17701v1-abstract-short" style="display: inline;"> Using the B$蟻$-defined isochronous mass spectrometry technique, we report the first determination of the $^{23}$Si, $^{26}$P, $^{27}$S, and $^{31}$Ar masses and improve the precision of the $^{28}$S mass by a factor of 11. Our measurements confirm that these isotopes are bound and fix the location of the proton dripline in P, S, and Ar. We find that the mirror energy differences of the mirror-nucl… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2410.17701v1-abstract-full').style.display = 'inline'; document.getElementById('2410.17701v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2410.17701v1-abstract-full" style="display: none;"> Using the B$蟻$-defined isochronous mass spectrometry technique, we report the first determination of the $^{23}$Si, $^{26}$P, $^{27}$S, and $^{31}$Ar masses and improve the precision of the $^{28}$S mass by a factor of 11. Our measurements confirm that these isotopes are bound and fix the location of the proton dripline in P, S, and Ar. We find that the mirror energy differences of the mirror-nuclei pairs $^{26}$P-$^{26}$Na, $^{27}$P-$^{27}$Mg, $^{27}$S-$^{27}$Na, $^{28}$S-$^{28}$Mg, and $^{31}$Ar-$^{31}$Al deviate significantly from the values predicted assuming mirror symmetry. In addition, we observe similar anomalies in the excited states, but not in the ground states, of the mirror-nuclei pairs $^{22}$Al-$^{22}$F and $^{23}$Al-$^{23}$Ne. Using $ab~ initio$ VS-IMSRG and mean field calculations, we show that such a mirror-symmetry breaking phenomeon can be explained by the extended charge distributions of weakly-bound, proton-rich nuclei. When observed, this phenomenon serves as a unique signature that can be valuable for identifying proton-halo candidates. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2410.17701v1-abstract-full').style.display = 'none'; document.getElementById('2410.17701v1-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> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2410.13515">arXiv:2410.13515</a> <span> [<a href="https://arxiv.org/pdf/2410.13515">pdf</a>, <a href="https://arxiv.org/format/2410.13515">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 - Lattice">hep-lat</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="Nuclear Experiment">nucl-ex</span> </div> </div> <p class="title is-5 mathjax"> Observation of a rare beta decay of the charmed baryon with a Graph Neural Network </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=BESIII+Collaboration"> BESIII Collaboration</a>, <a href="/search/nucl-ex?searchtype=author&query=Ablikim%2C+M">M. Ablikim</a>, <a href="/search/nucl-ex?searchtype=author&query=Achasov%2C+M+N">M. N. Achasov</a>, <a href="/search/nucl-ex?searchtype=author&query=Adlarson%2C+P">P. Adlarson</a>, <a href="/search/nucl-ex?searchtype=author&query=Afedulidis%2C+O">O. Afedulidis</a>, <a href="/search/nucl-ex?searchtype=author&query=Ai%2C+X+C">X. C. Ai</a>, <a href="/search/nucl-ex?searchtype=author&query=Aliberti%2C+R">R. Aliberti</a>, <a href="/search/nucl-ex?searchtype=author&query=Amoroso%2C+A">A. Amoroso</a>, <a href="/search/nucl-ex?searchtype=author&query=An%2C+Q">Q. An</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+Y">Y. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bakina%2C+O">O. Bakina</a>, <a href="/search/nucl-ex?searchtype=author&query=Balossino%2C+I">I. Balossino</a>, <a href="/search/nucl-ex?searchtype=author&query=Ban%2C+Y">Y. Ban</a>, <a href="/search/nucl-ex?searchtype=author&query=Bao%2C+H+-">H. -R. Bao</a>, <a href="/search/nucl-ex?searchtype=author&query=Batozskaya%2C+V">V. Batozskaya</a>, <a href="/search/nucl-ex?searchtype=author&query=Begzsuren%2C+K">K. Begzsuren</a>, <a href="/search/nucl-ex?searchtype=author&query=Berger%2C+N">N. Berger</a>, <a href="/search/nucl-ex?searchtype=author&query=Berlowski%2C+M">M. Berlowski</a>, <a href="/search/nucl-ex?searchtype=author&query=Bertani%2C+M">M. Bertani</a>, <a href="/search/nucl-ex?searchtype=author&query=Bettoni%2C+D">D. Bettoni</a>, <a href="/search/nucl-ex?searchtype=author&query=Bianchi%2C+F">F. Bianchi</a>, <a href="/search/nucl-ex?searchtype=author&query=Bianco%2C+E">E. Bianco</a>, <a href="/search/nucl-ex?searchtype=author&query=Bortone%2C+A">A. Bortone</a>, <a href="/search/nucl-ex?searchtype=author&query=Boyko%2C+I">I. Boyko</a>, <a href="/search/nucl-ex?searchtype=author&query=Briere%2C+R+A">R. A. Briere</a> , et al. (637 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="2410.13515v1-abstract-short" style="display: inline;"> The study of beta decay of the charmed baryon provides unique insights into the fundamental mechanism of the strong and electro-weak interactions. The $螞_c^+$, being the lightest charmed baryon, undergoes disintegration solely through the charm quark weak decay. Its beta decay provides an ideal laboratory for investigating non-perturbative effects in quantum chromodynamics and for constraining the… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2410.13515v1-abstract-full').style.display = 'inline'; document.getElementById('2410.13515v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2410.13515v1-abstract-full" style="display: none;"> The study of beta decay of the charmed baryon provides unique insights into the fundamental mechanism of the strong and electro-weak interactions. The $螞_c^+$, being the lightest charmed baryon, undergoes disintegration solely through the charm quark weak decay. Its beta decay provides an ideal laboratory for investigating non-perturbative effects in quantum chromodynamics and for constraining the fundamental parameters of the Cabibbo-Kobayashi-Maskawa matrix in weak interaction theory. This article presents the first observation of the Cabibbo-suppressed $螞_c^+$ beta decay into a neutron $螞_c^+ \rightarrow n e^+ 谓_{e}$, based on $4.5~\mathrm{fb}^{-1}$ of electron-positron annihilation data collected with the BESIII detector in the energy region above the $螞^+_c\bar螞^-_c$ threshold. A novel machine learning technique, leveraging Graph Neural Networks, has been utilized to effectively separate signals from dominant backgrounds, particularly $螞_c^+ \rightarrow 螞e^+ 谓_{e}$. This approach has yielded a statistical significance of more than $10蟽$. The absolute branching fraction of $螞_c^+ \rightarrow n e^+ 谓_{e}$ is measured to be $(3.57\pm0.34_{\mathrm{stat}}\pm0.14_{\mathrm{syst}})\times 10^{-3}$. For the first time, the CKM matrix element $\left|V_{cd}\right|$ is extracted via a charmed baryon decay to be $0.208\pm0.011_{\rm exp.}\pm0.007_{\rm LQCD}\pm0.001_{蟿_{螞_c^+}}$. This study provides a new probe to further understand fundamental interactions in the charmed baryon sector, and demonstrates the power of modern machine learning techniques in enhancing experimental capability in high energy physics research. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2410.13515v1-abstract-full').style.display = 'none'; document.getElementById('2410.13515v1-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 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">28 pages, 6 figures</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2408.02877">arXiv:2408.02877</a> <span> [<a href="https://arxiv.org/pdf/2408.02877">pdf</a>, <a href="https://arxiv.org/format/2408.02877">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Solar and Stellar Astrophysics">astro-ph.SR</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> First Measurement of Solar $^8$B Neutrinos via Coherent Elastic Neutrino-Nucleus Scattering with XENONnT </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Aprile%2C+E">E. Aprile</a>, <a href="/search/nucl-ex?searchtype=author&query=Aalbers%2C+J">J. Aalbers</a>, <a href="/search/nucl-ex?searchtype=author&query=Abe%2C+K">K. Abe</a>, <a href="/search/nucl-ex?searchtype=author&query=Maouloud%2C+S+A">S. Ahmed Maouloud</a>, <a href="/search/nucl-ex?searchtype=author&query=Althueser%2C+L">L. Althueser</a>, <a href="/search/nucl-ex?searchtype=author&query=Andrieu%2C+B">B. Andrieu</a>, <a href="/search/nucl-ex?searchtype=author&query=Angelino%2C+E">E. Angelino</a>, <a href="/search/nucl-ex?searchtype=author&query=Martin%2C+D+A">D. Ant贸n Martin</a>, <a href="/search/nucl-ex?searchtype=author&query=Arneodo%2C+F">F. Arneodo</a>, <a href="/search/nucl-ex?searchtype=author&query=Baudis%2C+L">L. Baudis</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazyk%2C+M">M. Bazyk</a>, <a href="/search/nucl-ex?searchtype=author&query=Bellagamba%2C+L">L. Bellagamba</a>, <a href="/search/nucl-ex?searchtype=author&query=Biondi%2C+R">R. Biondi</a>, <a href="/search/nucl-ex?searchtype=author&query=Bismark%2C+A">A. Bismark</a>, <a href="/search/nucl-ex?searchtype=author&query=Boese%2C+K">K. Boese</a>, <a href="/search/nucl-ex?searchtype=author&query=Brown%2C+A">A. Brown</a>, <a href="/search/nucl-ex?searchtype=author&query=Bruno%2C+G">G. Bruno</a>, <a href="/search/nucl-ex?searchtype=author&query=Budnik%2C+R">R. Budnik</a>, <a href="/search/nucl-ex?searchtype=author&query=Cai%2C+C">C. Cai</a>, <a href="/search/nucl-ex?searchtype=author&query=Capelli%2C+C">C. Capelli</a>, <a href="/search/nucl-ex?searchtype=author&query=Cardoso%2C+J+M+R">J. M. R. Cardoso</a>, <a href="/search/nucl-ex?searchtype=author&query=Ch%C3%A1vez%2C+A+P+C">A. P. Cimental Ch谩vez</a>, <a href="/search/nucl-ex?searchtype=author&query=Colijn%2C+A+P">A. P. Colijn</a>, <a href="/search/nucl-ex?searchtype=author&query=Conrad%2C+J">J. Conrad</a>, <a href="/search/nucl-ex?searchtype=author&query=Cuenca-Garc%C3%ADa%2C+J+J">J. J. Cuenca-Garc铆a</a> , et al. (142 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="2408.02877v1-abstract-short" style="display: inline;"> We present the first measurement of nuclear recoils from solar $^8$B neutrinos via coherent elastic neutrino-nucleus scattering with the XENONnT dark matter experiment. The central detector of XENONnT is a low-background, two-phase time projection chamber with a 5.9\,t sensitive liquid xenon target. A blind analysis with an exposure of 3.51\,t$\times$y resulted in 37 observed events above 0.5\,keV… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2408.02877v1-abstract-full').style.display = 'inline'; document.getElementById('2408.02877v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2408.02877v1-abstract-full" style="display: none;"> We present the first measurement of nuclear recoils from solar $^8$B neutrinos via coherent elastic neutrino-nucleus scattering with the XENONnT dark matter experiment. The central detector of XENONnT is a low-background, two-phase time projection chamber with a 5.9\,t sensitive liquid xenon target. A blind analysis with an exposure of 3.51\,t$\times$y resulted in 37 observed events above 0.5\,keV, with ($26.4^{+1.4}_{-1.3}$) events expected from backgrounds. The background-only hypothesis is rejected with a statistical significance of 2.73\,$蟽$. The measured $^8$B solar neutrino flux of $(4.7_{-2.3}^{+3.6})\times 10^6\,\mathrm{cm}^{-2}\mathrm{s}^{-1}$ is consistent with results from dedicated solar neutrino experiments. The measured neutrino flux-weighted CE$谓$NS cross-section on Xe of $(1.1^{+0.8}_{-0.5})\times10^{-39}\,\mathrm{cm}^2$ is consistent with the Standard Model prediction. This is the first direct measurement of nuclear recoils from solar neutrinos with a dark matter detector. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2408.02877v1-abstract-full').style.display = 'none'; document.getElementById('2408.02877v1-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 August, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2024. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2401.14704">arXiv:2401.14704</a> <span> [<a href="https://arxiv.org/pdf/2401.14704">pdf</a>, <a href="https://arxiv.org/format/2401.14704">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> </div> <p class="title is-5 mathjax"> Ground-state mass of $^{22}$Al and test of state-of-the-art \textit{ab initio} calculations </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Sun%2C+M+Z">M. Z. Sun</a>, <a href="/search/nucl-ex?searchtype=author&query=Yu%2C+Y">Y. Yu</a>, <a href="/search/nucl-ex?searchtype=author&query=Wang%2C+X+P">X. P. Wang</a>, <a href="/search/nucl-ex?searchtype=author&query=Wang%2C+M">M. Wang</a>, <a href="/search/nucl-ex?searchtype=author&query=Li%2C+J+G">J. G. Li</a>, <a href="/search/nucl-ex?searchtype=author&query=Zhang%2C+Y+H">Y. H. Zhang</a>, <a href="/search/nucl-ex?searchtype=author&query=Blaum%2C+K">K. Blaum</a>, <a href="/search/nucl-ex?searchtype=author&query=Chen%2C+Z+Y">Z. Y. Chen</a>, <a href="/search/nucl-ex?searchtype=author&query=Chen%2C+R+J">R. J. Chen</a>, <a href="/search/nucl-ex?searchtype=author&query=Deng%2C+H+Y">H. Y. Deng</a>, <a href="/search/nucl-ex?searchtype=author&query=Fu%2C+C+Y">C. Y. Fu</a>, <a href="/search/nucl-ex?searchtype=author&query=Ge%2C+W+W">W. W. Ge</a>, <a href="/search/nucl-ex?searchtype=author&query=Huang%2C+W+J">W. J. Huang</a>, <a href="/search/nucl-ex?searchtype=author&query=Jiao%2C+H+Y">H. Y. Jiao</a>, <a href="/search/nucl-ex?searchtype=author&query=Li%2C+H+H">H. H. Li</a>, <a href="/search/nucl-ex?searchtype=author&query=Li%2C+H+F">H. F. Li</a>, <a href="/search/nucl-ex?searchtype=author&query=Luo%2C+Y+F">Y. F. Luo</a>, <a href="/search/nucl-ex?searchtype=author&query=Liao%2C+T">T. Liao</a>, <a href="/search/nucl-ex?searchtype=author&query=Litvinov%2C+Y+A">Yu. A. Litvinov</a>, <a href="/search/nucl-ex?searchtype=author&query=Si%2C+M">M. Si</a>, <a href="/search/nucl-ex?searchtype=author&query=Shuai%2C+P">P. Shuai</a>, <a href="/search/nucl-ex?searchtype=author&query=Shi%2C+J+Y">J. Y. Shi</a>, <a href="/search/nucl-ex?searchtype=author&query=Wang%2C+Q">Q. Wang</a>, <a href="/search/nucl-ex?searchtype=author&query=Xing%2C+Y+M">Y. M. Xing</a>, <a href="/search/nucl-ex?searchtype=author&query=Xu%2C+X">X. Xu</a> , et al. (11 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2401.14704v1-abstract-short" style="display: inline;"> The ground-state mass excess of the $T_{z}=-2$ drip-line nucleus $^{22}$Al is measured for the first time to be $18103(10)$ keV using the newly-developed B$蟻$-defined isochronous mass spectrometry method at the cooler storage ring in Lanzhou. The new mass excess value allowed us to determine the excitation energies of the two low-lying $1^+$ states in $^{22}$Al with significantly reduced uncertain… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2401.14704v1-abstract-full').style.display = 'inline'; document.getElementById('2401.14704v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2401.14704v1-abstract-full" style="display: none;"> The ground-state mass excess of the $T_{z}=-2$ drip-line nucleus $^{22}$Al is measured for the first time to be $18103(10)$ keV using the newly-developed B$蟻$-defined isochronous mass spectrometry method at the cooler storage ring in Lanzhou. The new mass excess value allowed us to determine the excitation energies of the two low-lying $1^+$ states in $^{22}$Al with significantly reduced uncertainties of 51 keV. Comparing to the analogue states in its mirror nucleus $^{22}$F, the mirror energy differences of the two $1^+$ states in the $^{22}$Al-$^{22}$F mirror pair are determined to be $-625(51)$ keV and $-330(51)$ keV, respectively. The excitation energies and the mirror energy differences are used to test the state-of-the-art \textit{ab initio} valence-space in-medium similarity renormalization group calculations with four sets of interactions derived from the chiral effective field theory. The mechanism leading to the large mirror energy differences is investigated and attributed to the occupation of the $蟺s_{1/2}$ orbital. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2401.14704v1-abstract-full').style.display = 'none'; document.getElementById('2401.14704v1-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 January, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 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">8 pages, 5 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/2401.09012">arXiv:2401.09012</a> <span> [<a href="https://arxiv.org/pdf/2401.09012">pdf</a>, <a href="https://arxiv.org/format/2401.09012">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> </div> <p class="title is-5 mathjax"> First study of antihyperon-nucleon scattering $\bar螞p\rightarrow\bar螞p$ and measurement of $螞p\rightarrow螞p$ cross section </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=BESIII+Collaboration"> BESIII Collaboration</a>, <a href="/search/nucl-ex?searchtype=author&query=Ablikim%2C+M">M. Ablikim</a>, <a href="/search/nucl-ex?searchtype=author&query=Achasov%2C+M+N">M. N. Achasov</a>, <a href="/search/nucl-ex?searchtype=author&query=Adlarson%2C+P">P. Adlarson</a>, <a href="/search/nucl-ex?searchtype=author&query=Afedulidis%2C+O">O. Afedulidis</a>, <a href="/search/nucl-ex?searchtype=author&query=Ai%2C+X+C">X. C. Ai</a>, <a href="/search/nucl-ex?searchtype=author&query=Aliberti%2C+R">R. Aliberti</a>, <a href="/search/nucl-ex?searchtype=author&query=Amoroso%2C+A">A. Amoroso</a>, <a href="/search/nucl-ex?searchtype=author&query=An%2C+Q">Q. An</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+Y">Y. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bakina%2C+O">O. Bakina</a>, <a href="/search/nucl-ex?searchtype=author&query=Balossino%2C+I">I. Balossino</a>, <a href="/search/nucl-ex?searchtype=author&query=Ban%2C+Y">Y. Ban</a>, <a href="/search/nucl-ex?searchtype=author&query=Bao%2C+H+-">H. -R. Bao</a>, <a href="/search/nucl-ex?searchtype=author&query=Batozskaya%2C+V">V. Batozskaya</a>, <a href="/search/nucl-ex?searchtype=author&query=Begzsuren%2C+K">K. Begzsuren</a>, <a href="/search/nucl-ex?searchtype=author&query=Berger%2C+N">N. Berger</a>, <a href="/search/nucl-ex?searchtype=author&query=Berlowski%2C+M">M. Berlowski</a>, <a href="/search/nucl-ex?searchtype=author&query=Bertani%2C+M">M. Bertani</a>, <a href="/search/nucl-ex?searchtype=author&query=Bettoni%2C+D">D. Bettoni</a>, <a href="/search/nucl-ex?searchtype=author&query=Bianchi%2C+F">F. Bianchi</a>, <a href="/search/nucl-ex?searchtype=author&query=Bianco%2C+E">E. Bianco</a>, <a href="/search/nucl-ex?searchtype=author&query=Bortone%2C+A">A. Bortone</a>, <a href="/search/nucl-ex?searchtype=author&query=Boyko%2C+I">I. Boyko</a>, <a href="/search/nucl-ex?searchtype=author&query=Briere%2C+R+A">R. A. Briere</a> , et al. (634 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="2401.09012v2-abstract-short" style="display: inline;"> Using $(10.087\pm0.044)\times10^{9}$ $J/蠄$ events collected with the BESIII detector at the BEPCII storage ring, the processes $螞p\rightarrow螞p$ and $\bar螞p\rightarrow\bar螞p$ are studied, where the $螞/\bar螞$ baryons are produced in the process $J/蠄\rightarrow螞\bar螞$ and the protons are the hydrogen nuclei in the cooling oil of the beam pipe. Clear signals are observed for the two reactions. The cr… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2401.09012v2-abstract-full').style.display = 'inline'; document.getElementById('2401.09012v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2401.09012v2-abstract-full" style="display: none;"> Using $(10.087\pm0.044)\times10^{9}$ $J/蠄$ events collected with the BESIII detector at the BEPCII storage ring, the processes $螞p\rightarrow螞p$ and $\bar螞p\rightarrow\bar螞p$ are studied, where the $螞/\bar螞$ baryons are produced in the process $J/蠄\rightarrow螞\bar螞$ and the protons are the hydrogen nuclei in the cooling oil of the beam pipe. Clear signals are observed for the two reactions. The cross sections in $-0.9\leq\rm{cos}胃_{螞/\bar螞}\leq0.9$ are measured to be $蟽(螞p\rightarrow螞p)=(12.2\pm1.6_{\rm{stat}}\pm1.1_{\rm{sys}})$ mb and $蟽(\bar螞 p\rightarrow\bar螞 p)=(17.5\pm2.1_{\rm{stat}}\pm1.6_{\rm{sys}})$ mb at the $螞/\bar螞$ momentum of $1.074$ GeV/$c$ within a range of $\pm0.017$ GeV/$c$, where the $胃_{螞/\bar螞}$ are the scattering angles of the $螞/\bar螞$ in the $螞p/\bar螞p$ rest frames. Furthermore, the differential cross sections of the two reactions are also measured, where there is a slight tendency of forward scattering for $螞p\rightarrow螞p$, and a strong forward peak for $\bar螞p\rightarrow\bar螞p$. We present an approach to extract the total elastic cross sections by extrapolation. The study of $\bar螞p\rightarrow\bar螞p$ represents the first study of antihyperon-nucleon scattering, and these new measurements will serve as important inputs for the theoretical understanding of the (anti)hyperon-nucleon interaction. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2401.09012v2-abstract-full').style.display = 'none'; document.getElementById('2401.09012v2-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, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 17 January, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 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, 5 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/2310.06082">arXiv:2310.06082</a> <span> [<a href="https://arxiv.org/pdf/2310.06082">pdf</a>, <a href="https://arxiv.org/format/2310.06082">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</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"> Measurement of nuclear effects in neutrino-argon interactions using generalized kinematic imbalance variables with the MicroBooNE detector </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=MicroBooNE+collaboration"> MicroBooNE collaboration</a>, <a href="/search/nucl-ex?searchtype=author&query=Abratenko%2C+P">P. Abratenko</a>, <a href="/search/nucl-ex?searchtype=author&query=Alterkait%2C+O">O. Alterkait</a>, <a href="/search/nucl-ex?searchtype=author&query=Aldana%2C+D+A">D. Andrade Aldana</a>, <a href="/search/nucl-ex?searchtype=author&query=Arellano%2C+L">L. Arellano</a>, <a href="/search/nucl-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/nucl-ex?searchtype=author&query=Ashkenazi%2C+A">A. Ashkenazi</a>, <a href="/search/nucl-ex?searchtype=author&query=Balasubramanian%2C+S">S. Balasubramanian</a>, <a href="/search/nucl-ex?searchtype=author&query=Baller%2C+B">B. Baller</a>, <a href="/search/nucl-ex?searchtype=author&query=Barr%2C+G">G. Barr</a>, <a href="/search/nucl-ex?searchtype=author&query=Barrow%2C+D">D. Barrow</a>, <a href="/search/nucl-ex?searchtype=author&query=Barrow%2C+J">J. Barrow</a>, <a href="/search/nucl-ex?searchtype=author&query=Basque%2C+V">V. Basque</a>, <a href="/search/nucl-ex?searchtype=author&query=Rodrigues%2C+O+B">O. Benevides Rodrigues</a>, <a href="/search/nucl-ex?searchtype=author&query=Berkman%2C+S">S. Berkman</a>, <a href="/search/nucl-ex?searchtype=author&query=Bhanderi%2C+A">A. Bhanderi</a>, <a href="/search/nucl-ex?searchtype=author&query=Bhat%2C+A">A. Bhat</a>, <a href="/search/nucl-ex?searchtype=author&query=Bhattacharya%2C+M">M. Bhattacharya</a>, <a href="/search/nucl-ex?searchtype=author&query=Bishai%2C+M">M. Bishai</a>, <a href="/search/nucl-ex?searchtype=author&query=Blake%2C+A">A. Blake</a>, <a href="/search/nucl-ex?searchtype=author&query=Bogart%2C+B">B. Bogart</a>, <a href="/search/nucl-ex?searchtype=author&query=Bolton%2C+T">T. Bolton</a>, <a href="/search/nucl-ex?searchtype=author&query=Book%2C+J+Y">J. Y. Book</a>, <a href="/search/nucl-ex?searchtype=author&query=Brunetti%2C+M+B">M. B. Brunetti</a>, <a href="/search/nucl-ex?searchtype=author&query=Camilleri%2C+L">L. Camilleri</a> , et al. (163 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2310.06082v4-abstract-short" style="display: inline;"> We present a set of new generalized kinematic imbalance variables that can be measured in neutrino scattering. These variables extend previous measurements of kinematic imbalance on the transverse plane, and are more sensitive to modeling of nuclear effects. We demonstrate the enhanced power of these variables using simulation, and then use the MicroBooNE detector to measure them for the first tim… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2310.06082v4-abstract-full').style.display = 'inline'; document.getElementById('2310.06082v4-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2310.06082v4-abstract-full" style="display: none;"> We present a set of new generalized kinematic imbalance variables that can be measured in neutrino scattering. These variables extend previous measurements of kinematic imbalance on the transverse plane, and are more sensitive to modeling of nuclear effects. We demonstrate the enhanced power of these variables using simulation, and then use the MicroBooNE detector to measure them for the first time. We report flux-integrated single- and double-differential measurements of charged-current muon neutrino scattering on argon using a topolgy with one muon and one proton in the final state as a function of these novel kinematic imbalance variables. These measurements allow us to demonstrate that the treatment of charged current quasielastic interactions in GENIE version 2 is inadequate to describe data. Further, they reveal tensions with more modern generator predictions particularly in regions of phase space where final state interactions are important. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2310.06082v4-abstract-full').style.display = 'none'; document.getElementById('2310.06082v4-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 May, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 9 October, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 109, 092007 (2024) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2310.00720">arXiv:2310.00720</a> <span> [<a href="https://arxiv.org/pdf/2310.00720">pdf</a>, <a href="https://arxiv.org/format/2310.00720">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</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/10.1103/PhysRevC.109.L052201">10.1103/PhysRevC.109.L052201 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> First measurement of $螞N$ inelastic scattering with $螞$ from $e^{+} e^{-} \rightarrow J/蠄\to 螞\bar螞$ </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=BESIII+Collaboration"> BESIII Collaboration</a>, <a href="/search/nucl-ex?searchtype=author&query=Ablikim%2C+M">M. Ablikim</a>, <a href="/search/nucl-ex?searchtype=author&query=Achasov%2C+M+N">M. N. Achasov</a>, <a href="/search/nucl-ex?searchtype=author&query=Adlarson%2C+P">P. Adlarson</a>, <a href="/search/nucl-ex?searchtype=author&query=Afedulidis%2C+O">O. Afedulidis</a>, <a href="/search/nucl-ex?searchtype=author&query=Ai%2C+X+C">X. C. Ai</a>, <a href="/search/nucl-ex?searchtype=author&query=Aliberti%2C+R">R. Aliberti</a>, <a href="/search/nucl-ex?searchtype=author&query=Amoroso%2C+A">A. Amoroso</a>, <a href="/search/nucl-ex?searchtype=author&query=An%2C+Q">Q. An</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+Y">Y. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bakina%2C+O">O. Bakina</a>, <a href="/search/nucl-ex?searchtype=author&query=Balossino%2C+I">I. Balossino</a>, <a href="/search/nucl-ex?searchtype=author&query=Ban%2C+Y">Y. Ban</a>, <a href="/search/nucl-ex?searchtype=author&query=Bao%2C+H+-">H. -R. Bao</a>, <a href="/search/nucl-ex?searchtype=author&query=Batozskaya%2C+V">V. Batozskaya</a>, <a href="/search/nucl-ex?searchtype=author&query=Begzsuren%2C+K">K. Begzsuren</a>, <a href="/search/nucl-ex?searchtype=author&query=Berger%2C+N">N. Berger</a>, <a href="/search/nucl-ex?searchtype=author&query=Berlowski%2C+M">M. Berlowski</a>, <a href="/search/nucl-ex?searchtype=author&query=Bertani%2C+M">M. Bertani</a>, <a href="/search/nucl-ex?searchtype=author&query=Bettoni%2C+D">D. Bettoni</a>, <a href="/search/nucl-ex?searchtype=author&query=Bianchi%2C+F">F. Bianchi</a>, <a href="/search/nucl-ex?searchtype=author&query=Bianco%2C+E">E. Bianco</a>, <a href="/search/nucl-ex?searchtype=author&query=Bortone%2C+A">A. Bortone</a>, <a href="/search/nucl-ex?searchtype=author&query=Boyko%2C+I">I. Boyko</a>, <a href="/search/nucl-ex?searchtype=author&query=Briere%2C+R+A">R. A. Briere</a> , et al. (626 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2310.00720v1-abstract-short" style="display: inline;"> Using an $e^+ e^-$ collision data sample of $(10087 \pm 44)\times10^6 ~J/蠄$ events taken at the center-of-mass energy of $3.097~\rm{GeV}$ by the BESIII detector at the BEPCII collider, the process $螞+N \rightarrow 危^+ + X$ is studied for the first time employing a novel method. The $危^{+}$ hyperons are produced by the collisions of $螞$ hyperons from $J/蠄$ decays with nuclei in the material of the… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2310.00720v1-abstract-full').style.display = 'inline'; document.getElementById('2310.00720v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2310.00720v1-abstract-full" style="display: none;"> Using an $e^+ e^-$ collision data sample of $(10087 \pm 44)\times10^6 ~J/蠄$ events taken at the center-of-mass energy of $3.097~\rm{GeV}$ by the BESIII detector at the BEPCII collider, the process $螞+N \rightarrow 危^+ + X$ is studied for the first time employing a novel method. The $危^{+}$ hyperons are produced by the collisions of $螞$ hyperons from $J/蠄$ decays with nuclei in the material of the BESIII detector. The total cross section of $螞+ ^{9}{\rm Be} \rightarrow 危^+ + X$ is measured to be $蟽= (37.3 \pm 4.7 \pm 3.5)~{\rm mb}$ at $螞$ beam momenta within $[1.057, 1.091]~{\rm GeV}/c$, where the uncertainties are statistical and systematic, respectively. This analysis is the first study of $螞$-nucleon interactions at an $e^+ e^-$ collider, providing information and constraints relevant for the strong-interaction potential, the origin of color confinement, the unified model for baryon-baryon interactions, and the internal structure of neutron stars. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2310.00720v1-abstract-full').style.display = 'none'; document.getElementById('2310.00720v1-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 October, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2023. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2304.13921">arXiv:2304.13921</a> <span> [<a href="https://arxiv.org/pdf/2304.13921">pdf</a>, <a href="https://arxiv.org/ps/2304.13921">ps</a>, <a href="https://arxiv.org/format/2304.13921">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="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 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.130.251902">10.1103/PhysRevLett.130.251902 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> First study of reaction $螢^{0}n\rightarrow螢^{-}p$ using $螢^0$-nucleus scattering at an electron-positron collider </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=BESIII+Collaboration"> BESIII Collaboration</a>, <a href="/search/nucl-ex?searchtype=author&query=Ablikim%2C+M">M. Ablikim</a>, <a href="/search/nucl-ex?searchtype=author&query=Achasov%2C+M+N">M. N. Achasov</a>, <a href="/search/nucl-ex?searchtype=author&query=Adlarson%2C+P">P. Adlarson</a>, <a href="/search/nucl-ex?searchtype=author&query=Aliberti%2C+R">R. Aliberti</a>, <a href="/search/nucl-ex?searchtype=author&query=Amoroso%2C+A">A. Amoroso</a>, <a href="/search/nucl-ex?searchtype=author&query=An%2C+M+R">M. R. An</a>, <a href="/search/nucl-ex?searchtype=author&query=An%2C+Q">Q. An</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+Y">Y. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bakina%2C+O">O. Bakina</a>, <a href="/search/nucl-ex?searchtype=author&query=Balossino%2C+I">I. Balossino</a>, <a href="/search/nucl-ex?searchtype=author&query=Ban%2C+Y">Y. Ban</a>, <a href="/search/nucl-ex?searchtype=author&query=Batozskaya%2C+V">V. Batozskaya</a>, <a href="/search/nucl-ex?searchtype=author&query=Begzsuren%2C+K">K. Begzsuren</a>, <a href="/search/nucl-ex?searchtype=author&query=Berger%2C+N">N. Berger</a>, <a href="/search/nucl-ex?searchtype=author&query=Berlowski%2C+M">M. Berlowski</a>, <a href="/search/nucl-ex?searchtype=author&query=Bertani%2C+M">M. Bertani</a>, <a href="/search/nucl-ex?searchtype=author&query=Bettoni%2C+D">D. Bettoni</a>, <a href="/search/nucl-ex?searchtype=author&query=Bianchi%2C+F">F. Bianchi</a>, <a href="/search/nucl-ex?searchtype=author&query=Bianco%2C+E">E. Bianco</a>, <a href="/search/nucl-ex?searchtype=author&query=Bloms%2C+J">J. Bloms</a>, <a href="/search/nucl-ex?searchtype=author&query=Bortone%2C+A">A. Bortone</a>, <a href="/search/nucl-ex?searchtype=author&query=Boyko%2C+I">I. Boyko</a>, <a href="/search/nucl-ex?searchtype=author&query=Briere%2C+R+A">R. A. Briere</a>, <a href="/search/nucl-ex?searchtype=author&query=Brueggemann%2C+A">A. Brueggemann</a> , et al. (593 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2304.13921v3-abstract-short" style="display: inline;"> Using $(1.0087\pm0.0044)\times10^{10}$ $J/蠄$ events collected with the BESIII detector at the BEPCII storage ring, the process $螢^{0}n\rightarrow螢^{-}p$ is studied, where the $螢^0$ baryon is produced in the process $J/蠄\rightarrow螢^0\bar螢^0$ and the neutron is a component of the $^9\rm{Be}$, $^{12}\rm{C}$ and $^{197}\rm{Au}$ nuclei in the beam pipe. A clear signal is observed with a statistical si… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2304.13921v3-abstract-full').style.display = 'inline'; document.getElementById('2304.13921v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2304.13921v3-abstract-full" style="display: none;"> Using $(1.0087\pm0.0044)\times10^{10}$ $J/蠄$ events collected with the BESIII detector at the BEPCII storage ring, the process $螢^{0}n\rightarrow螢^{-}p$ is studied, where the $螢^0$ baryon is produced in the process $J/蠄\rightarrow螢^0\bar螢^0$ and the neutron is a component of the $^9\rm{Be}$, $^{12}\rm{C}$ and $^{197}\rm{Au}$ nuclei in the beam pipe. A clear signal is observed with a statistical significance of $7.1蟽$. The cross section of the reaction $螢^0+{^9\rm{Be}}\rightarrow螢^-+p+{^8\rm{Be}}$ is determined to be $蟽(螢^0+{^9\rm{Be}}\rightarrow螢^-+p+{^8\rm{Be}})=(22.1\pm5.3_{\rm{stat}}\pm4.5_{\rm{sys}})$ mb at the $螢^0$ momentum of $0.818$ GeV/$c$, where the first uncertainty is statistical and the second is systematic. No significant $H$-dibaryon signal is observed in the $螢^-p$ final state. This is the first study of hyperon-nucleon interactions in electron-positron collisions and opens up a new direction for such research. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2304.13921v3-abstract-full').style.display = 'none'; document.getElementById('2304.13921v3-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 May, 2023; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 26 April, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 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, 7 figures, with Supplemental Material</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2211.03734">arXiv:2211.03734</a> <span> [<a href="https://arxiv.org/pdf/2211.03734">pdf</a>, <a href="https://arxiv.org/format/2211.03734">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> </div> <p class="title is-5 mathjax"> First Measurement of Differential Cross Sections for Muon Neutrino Charged Current Interactions on Argon with a Two-proton Final State in the MicroBooNE Detector </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=MicroBooNE+collaboration"> MicroBooNE collaboration</a>, <a href="/search/nucl-ex?searchtype=author&query=Abratenko%2C+P">P. Abratenko</a>, <a href="/search/nucl-ex?searchtype=author&query=Aldana%2C+D+A">D. Andrade Aldana</a>, <a href="/search/nucl-ex?searchtype=author&query=Anthony%2C+J">J. Anthony</a>, <a href="/search/nucl-ex?searchtype=author&query=Arellano%2C+L">L. Arellano</a>, <a href="/search/nucl-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/nucl-ex?searchtype=author&query=Ashkenazi%2C+A">A. Ashkenazi</a>, <a href="/search/nucl-ex?searchtype=author&query=Balasubramanian%2C+S">S. Balasubramanian</a>, <a href="/search/nucl-ex?searchtype=author&query=Baller%2C+B">B. Baller</a>, <a href="/search/nucl-ex?searchtype=author&query=Barr%2C+G">G. Barr</a>, <a href="/search/nucl-ex?searchtype=author&query=Barrow%2C+J">J. Barrow</a>, <a href="/search/nucl-ex?searchtype=author&query=Basque%2C+V">V. Basque</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe-Peters%2C+L">L. Bathe-Peters</a>, <a href="/search/nucl-ex?searchtype=author&query=Rodrigues%2C+O+B">O. Benevides Rodrigues</a>, <a href="/search/nucl-ex?searchtype=author&query=Berkman%2C+S">S. Berkman</a>, <a href="/search/nucl-ex?searchtype=author&query=Bhanderi%2C+A">A. Bhanderi</a>, <a href="/search/nucl-ex?searchtype=author&query=Bhattacharya%2C+M">M. Bhattacharya</a>, <a href="/search/nucl-ex?searchtype=author&query=Bishai%2C+M">M. Bishai</a>, <a href="/search/nucl-ex?searchtype=author&query=Blake%2C+A">A. Blake</a>, <a href="/search/nucl-ex?searchtype=author&query=Bogart%2C+B">B. Bogart</a>, <a href="/search/nucl-ex?searchtype=author&query=Bolton%2C+T">T. Bolton</a>, <a href="/search/nucl-ex?searchtype=author&query=Book%2C+J+Y">J. Y. Book</a>, <a href="/search/nucl-ex?searchtype=author&query=Camilleri%2C+L">L. Camilleri</a>, <a href="/search/nucl-ex?searchtype=author&query=Caratelli%2C+D">D. Caratelli</a>, <a href="/search/nucl-ex?searchtype=author&query=Terrazas%2C+I+C">I. Caro Terrazas</a> , et al. (161 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="2211.03734v2-abstract-short" style="display: inline;"> We present the first measurement of differential cross sections for charged-current muon neutrino interactions on argon with one muon, two protons, and no pions in the final state. Such interactions leave the target nucleus in a two-particle two-hole state; these states are of great interest, but currently there is limited information about their production in neutrino-nucleus interactions. Detail… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2211.03734v2-abstract-full').style.display = 'inline'; document.getElementById('2211.03734v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2211.03734v2-abstract-full" style="display: none;"> We present the first measurement of differential cross sections for charged-current muon neutrino interactions on argon with one muon, two protons, and no pions in the final state. Such interactions leave the target nucleus in a two-particle two-hole state; these states are of great interest, but currently there is limited information about their production in neutrino-nucleus interactions. Detailed investigations of the production of two-particle two-hole states are vital to support upcoming experiments exploring the nature of the neutrino, and the development of the liquid-argon time-projection-chamber has made possible the isolation of such final states. The opening angle between the two protons, the angle between the total proton momentum and the muon, and the total transverse momentum of the final state system are sensitive to the underlying physics processes as embodied in a variety of models. Realistic initial-state momentum distributions are shown to be important in reproducing the data. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2211.03734v2-abstract-full').style.display = 'none'; document.getElementById('2211.03734v2-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 August, 2023; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 7 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">Resubmitted to PRL in response to reviewer comments</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-22-836-ND </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2211.01655">arXiv:2211.01655</a> <span> [<a href="https://arxiv.org/pdf/2211.01655">pdf</a>, <a href="https://arxiv.org/ps/2211.01655">ps</a>, <a href="https://arxiv.org/format/2211.01655">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="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/10.1103/PhysRevC.106.L051301">10.1103/PhysRevC.106.L051301 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> $B蟻$-defined isochronous mass spectrometry: a new approach for high-precision mass measurements of short-lived nuclei </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Wang%2C+M">M. Wang</a>, <a href="/search/nucl-ex?searchtype=author&query=Zhang%2C+M">M. Zhang</a>, <a href="/search/nucl-ex?searchtype=author&query=Zhou%2C+X">X. Zhou</a>, <a href="/search/nucl-ex?searchtype=author&query=Zhang%2C+Y+H">Y. H. Zhang</a>, <a href="/search/nucl-ex?searchtype=author&query=Litvinov%2C+Y+A">Yu. A. Litvinov</a>, <a href="/search/nucl-ex?searchtype=author&query=Xu%2C+H+S">H. S. Xu</a>, <a href="/search/nucl-ex?searchtype=author&query=Chen%2C+R+J">R. J. Chen</a>, <a href="/search/nucl-ex?searchtype=author&query=Deng%2C+H+Y">H. Y. Deng</a>, <a href="/search/nucl-ex?searchtype=author&query=Fu%2C+C+Y">C. Y. Fu</a>, <a href="/search/nucl-ex?searchtype=author&query=Ge%2C+W+W">W. W. Ge</a>, <a href="/search/nucl-ex?searchtype=author&query=Li%2C+H+F">H. F. Li</a>, <a href="/search/nucl-ex?searchtype=author&query=Liao%2C+T">T. Liao</a>, <a href="/search/nucl-ex?searchtype=author&query=Litvinov%2C+S+A">S. A. Litvinov</a>, <a href="/search/nucl-ex?searchtype=author&query=Shuai%2C+P">P. Shuai</a>, <a href="/search/nucl-ex?searchtype=author&query=Shi%2C+J+Y">J. Y. Shi</a>, <a href="/search/nucl-ex?searchtype=author&query=Si%2C+M">M. Si</a>, <a href="/search/nucl-ex?searchtype=author&query=Sidhu%2C+R+S">R. S. Sidhu</a>, <a href="/search/nucl-ex?searchtype=author&query=Song%2C+Y+N">Y. N. Song</a>, <a href="/search/nucl-ex?searchtype=author&query=Sun%2C+M+Z">M. Z. Sun</a>, <a href="/search/nucl-ex?searchtype=author&query=Suzuki%2C+S">S. Suzuki</a>, <a href="/search/nucl-ex?searchtype=author&query=Wang%2C+Q">Q. Wang</a>, <a href="/search/nucl-ex?searchtype=author&query=Xing%2C+Y+M">Y. M. Xing</a>, <a href="/search/nucl-ex?searchtype=author&query=Xu%2C+X">X. Xu</a>, <a href="/search/nucl-ex?searchtype=author&query=Yamaguchi%2C+T">T. Yamaguchi</a>, <a href="/search/nucl-ex?searchtype=author&query=Yan%2C+X+L">X. L. Yan</a> , et al. (4 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="2211.01655v1-abstract-short" style="display: inline;"> A novel technique for broadband high-precision mass measurements of short-lived exotic nuclides is reported. It is based on the isochronous mass spectrometry (IMS) and realizes simultaneous determinations of revolution time and velocity of short-lived stored ions at the cooler storage ring CSRe in Lanzhou. The new technique, named as the $B蟻$-defined IMS or $B蟻$-IMS, boosts the efficiency, sensiti… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2211.01655v1-abstract-full').style.display = 'inline'; document.getElementById('2211.01655v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2211.01655v1-abstract-full" style="display: none;"> A novel technique for broadband high-precision mass measurements of short-lived exotic nuclides is reported. It is based on the isochronous mass spectrometry (IMS) and realizes simultaneous determinations of revolution time and velocity of short-lived stored ions at the cooler storage ring CSRe in Lanzhou. The new technique, named as the $B蟻$-defined IMS or $B蟻$-IMS, boosts the efficiency, sensitivity, and accuracy of mass measurements, and is applied here to measure masses of neutron-deficient $fp$-shell nuclides. In a single accelerator setting, masses of $^{46}$Cr, $^{50}$Fe and $^{54}$Ni are determined with relative uncertainties of (5~-~6)$\times10^{-8}$, thereby improving the input data for testing the unitarity of the Cabibbo-Kobayashi-Maskawa quark mixing matrix. This is the technique of choice for future high-precision measurements of the most rarely produced shortest-lived nuclides. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2211.01655v1-abstract-full').style.display = 'none'; document.getElementById('2211.01655v1-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, 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">8 pages, 4 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Physical Review C 106, L051301 (2022) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2210.08437">arXiv:2210.08437</a> <span> [<a href="https://arxiv.org/pdf/2210.08437">pdf</a>, <a href="https://arxiv.org/format/2210.08437">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="Solar and Stellar Astrophysics">astro-ph.SR</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="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/10.3847/1538-4357/ad2bfd">10.3847/1538-4357/ad2bfd <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Model Independent Approach of the JUNO $^8$B Solar Neutrino Program </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=JUNO+Collaboration"> JUNO Collaboration</a>, <a href="/search/nucl-ex?searchtype=author&query=Zhao%2C+J">Jie Zhao</a>, <a href="/search/nucl-ex?searchtype=author&query=Yue%2C+B">Baobiao Yue</a>, <a href="/search/nucl-ex?searchtype=author&query=Lu%2C+H">Haoqi Lu</a>, <a href="/search/nucl-ex?searchtype=author&query=Li%2C+Y">Yufeng Li</a>, <a href="/search/nucl-ex?searchtype=author&query=Ling%2C+J">Jiajie Ling</a>, <a href="/search/nucl-ex?searchtype=author&query=Yu%2C+Z">Zeyuan Yu</a>, <a href="/search/nucl-ex?searchtype=author&query=Abusleme%2C+A">Angel Abusleme</a>, <a href="/search/nucl-ex?searchtype=author&query=Adam%2C+T">Thomas Adam</a>, <a href="/search/nucl-ex?searchtype=author&query=Ahmad%2C+S">Shakeel Ahmad</a>, <a href="/search/nucl-ex?searchtype=author&query=Ahmed%2C+R">Rizwan Ahmed</a>, <a href="/search/nucl-ex?searchtype=author&query=Aiello%2C+S">Sebastiano Aiello</a>, <a href="/search/nucl-ex?searchtype=author&query=Akram%2C+M">Muhammad Akram</a>, <a href="/search/nucl-ex?searchtype=author&query=Aleem%2C+A">Abid Aleem</a>, <a href="/search/nucl-ex?searchtype=author&query=Alexandros%2C+T">Tsagkarakis Alexandros</a>, <a href="/search/nucl-ex?searchtype=author&query=An%2C+F">Fengpeng An</a>, <a href="/search/nucl-ex?searchtype=author&query=An%2C+Q">Qi An</a>, <a href="/search/nucl-ex?searchtype=author&query=Andronico%2C+G">Giuseppe Andronico</a>, <a href="/search/nucl-ex?searchtype=author&query=Anfimov%2C+N">Nikolay Anfimov</a>, <a href="/search/nucl-ex?searchtype=author&query=Antonelli%2C+V">Vito Antonelli</a>, <a href="/search/nucl-ex?searchtype=author&query=Antoshkina%2C+T">Tatiana Antoshkina</a>, <a href="/search/nucl-ex?searchtype=author&query=Asavapibhop%2C+B">Burin Asavapibhop</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Andr%C3%A9%2C+J+P+A+M">Jo茫o Pedro Athayde Marcondes de Andr茅</a>, <a href="/search/nucl-ex?searchtype=author&query=Auguste%2C+D">Didier Auguste</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+W">Weidong Bai</a> , et al. (579 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="2210.08437v2-abstract-short" style="display: inline;"> The physics potential of detecting $^8$B solar neutrinos will be exploited at the Jiangmen Underground Neutrino Observatory (JUNO), in a model independent manner by using three distinct channels of the charged-current (CC), neutral-current (NC) and elastic scattering (ES) interactions. Due to the largest-ever mass of $^{13}$C nuclei in the liquid-scintillator detectors and the {expected} low backg… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2210.08437v2-abstract-full').style.display = 'inline'; document.getElementById('2210.08437v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2210.08437v2-abstract-full" style="display: none;"> The physics potential of detecting $^8$B solar neutrinos will be exploited at the Jiangmen Underground Neutrino Observatory (JUNO), in a model independent manner by using three distinct channels of the charged-current (CC), neutral-current (NC) and elastic scattering (ES) interactions. Due to the largest-ever mass of $^{13}$C nuclei in the liquid-scintillator detectors and the {expected} low background level, $^8$B solar neutrinos would be observable in the CC and NC interactions on $^{13}$C for the first time. By virtue of optimized event selections and muon veto strategies, backgrounds from the accidental coincidence, muon-induced isotopes, and external backgrounds can be greatly suppressed. Excellent signal-to-background ratios can be achieved in the CC, NC and ES channels to guarantee the $^8$B solar neutrino observation. From the sensitivity studies performed in this work, we show that JUNO, with ten years of data, can reach the {1$蟽$} precision levels of 5%, 8% and 20% for the $^8$B neutrino flux, $\sin^2胃_{12}$, and $螖m^2_{21}$, respectively. It would be unique and helpful to probe the details of both solar physics and neutrino physics. In addition, when combined with SNO, the world-best precision of 3% is expected for the $^8$B neutrino flux measurement. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2210.08437v2-abstract-full').style.display = 'none'; document.getElementById('2210.08437v2-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 March, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 15 October, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 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">19 pages, 7 figures, accepted version to appear in The Astrophysical Journal. Yufeng Li and Jiajie Ling are corresponding authors</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Astrophysical Journal 965 (2024) 122 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2209.05701">arXiv:2209.05701</a> <span> [<a href="https://arxiv.org/pdf/2209.05701">pdf</a>, <a href="https://arxiv.org/format/2209.05701">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1140/epja/s10050-023-00928-6">10.1140/epja/s10050-023-00928-6 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> $B蟻$-defined Isochronous Mass Spectrometry and Mass Measurements of $^{58}$Ni Fragments </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Zhang%2C+M">M. Zhang</a>, <a href="/search/nucl-ex?searchtype=author&query=Zhou%2C+X">X. Zhou</a>, <a href="/search/nucl-ex?searchtype=author&query=Wang%2C+M">M. Wang</a>, <a href="/search/nucl-ex?searchtype=author&query=Zhang%2C+Y+H">Y. H. Zhang</a>, <a href="/search/nucl-ex?searchtype=author&query=Litvinov%2C+Y+A">Yu. A. Litvinov</a>, <a href="/search/nucl-ex?searchtype=author&query=Xu%2C+H+S">H. S. Xu</a>, <a href="/search/nucl-ex?searchtype=author&query=Chen%2C+R+J">R. J. Chen</a>, <a href="/search/nucl-ex?searchtype=author&query=Deng%2C+H+Y">H. Y. Deng</a>, <a href="/search/nucl-ex?searchtype=author&query=Fu%2C+C+Y">C. Y. Fu</a>, <a href="/search/nucl-ex?searchtype=author&query=Ge%2C+W+W">W. W. Ge</a>, <a href="/search/nucl-ex?searchtype=author&query=Li%2C+H+F">H. F. Li</a>, <a href="/search/nucl-ex?searchtype=author&query=Liao%2C+T">T. Liao</a>, <a href="/search/nucl-ex?searchtype=author&query=Litvinov%2C+S+A">S. A. Litvinov</a>, <a href="/search/nucl-ex?searchtype=author&query=Shuai%2C+P">P. Shuai</a>, <a href="/search/nucl-ex?searchtype=author&query=Shi%2C+J+Y">J. Y. Shi</a>, <a href="/search/nucl-ex?searchtype=author&query=Sidhu%2C+R+S">R. S. Sidhu</a>, <a href="/search/nucl-ex?searchtype=author&query=Song%2C+Y+N">Y. N. Song</a>, <a href="/search/nucl-ex?searchtype=author&query=Sun%2C+M+Z">M. Z. Sun</a>, <a href="/search/nucl-ex?searchtype=author&query=Suzuki%2C+S">S. Suzuki</a>, <a href="/search/nucl-ex?searchtype=author&query=Wang%2C+Q">Q. Wang</a>, <a href="/search/nucl-ex?searchtype=author&query=Xing%2C+Y+M">Y. M. Xing</a>, <a href="/search/nucl-ex?searchtype=author&query=Xu%2C+X">X. Xu</a>, <a href="/search/nucl-ex?searchtype=author&query=Yamaguchi%2C+T">T. Yamaguchi</a>, <a href="/search/nucl-ex?searchtype=author&query=Yan%2C+X+L">X. L. Yan</a>, <a href="/search/nucl-ex?searchtype=author&query=Yang%2C+J+C">J. C. Yang</a> , et al. (3 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2209.05701v1-abstract-short" style="display: inline;"> A novel isochronous mass spectrometry, termed as $B蟻$-defined IMS, is established at the experimental cooler-storage ring CSRe in Lanzhou. Its potential has been studied through high precision mass measurements of $^{58}$Ni projectile fragments. Two time-of-flight detectors were installed in one of the straight sections of CSRe, thus enabling simultaneous measurements of the velocity and the revol… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2209.05701v1-abstract-full').style.display = 'inline'; document.getElementById('2209.05701v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2209.05701v1-abstract-full" style="display: none;"> A novel isochronous mass spectrometry, termed as $B蟻$-defined IMS, is established at the experimental cooler-storage ring CSRe in Lanzhou. Its potential has been studied through high precision mass measurements of $^{58}$Ni projectile fragments. Two time-of-flight detectors were installed in one of the straight sections of CSRe, thus enabling simultaneous measurements of the velocity and the revolution time of each stored short-lived ion. This allows for calculating the magnetic rigidity $B蟻$ and the orbit length $C$ of each ion. The accurate $B蟻(C)$ function has been constructed, which is a universal calibration curve used to deduce the masses of the stored nuclides. The sensitivity to single stored ions, quickness, and background-free characteristics of the method are ideally suited to address nuclides with very short lifetimes and tiniest production yields. In the limiting case of just a single particle, the attained mass resolving power allows one us to determine its mass-over-charge ratio $m/q$ with a remarkable precision of merely $\sim5$ keV. Masses of $T_z = -3/2$ fp-shell nuclides are re-determined with high accuracy, and the validity of the isospin multiplet mass equation is tested up to the heaviest isospin quartet with $A = 55$. The new masses are also used to investigate the mirror symmetry of empirical residual proton-neutron interactions. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2209.05701v1-abstract-full').style.display = 'none'; document.getElementById('2209.05701v1-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 September, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2022. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2111.10836">arXiv:2111.10836</a> <span> [<a href="https://arxiv.org/pdf/2111.10836">pdf</a>, <a href="https://arxiv.org/ps/2111.10836">ps</a>, <a href="https://arxiv.org/format/2111.10836">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link 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/10.1007/s41365-021-00876-0">10.1007/s41365-021-00876-0 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Charge resolution in the isochronous mass spectrometry and the mass of $^{51}$Co </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Zhou%2C+X">Xu Zhou</a>, <a href="/search/nucl-ex?searchtype=author&query=Wang%2C+M">Meng Wang</a>, <a href="/search/nucl-ex?searchtype=author&query=Zhang%2C+Y">Yu-Hu Zhang</a>, <a href="/search/nucl-ex?searchtype=author&query=Xu%2C+H">Hu-Shan Xu</a>, <a href="/search/nucl-ex?searchtype=author&query=Yuan%2C+Y">You-Jin Yuan</a>, <a href="/search/nucl-ex?searchtype=author&query=Yang%2C+J">Jian-Cheng Yang</a>, <a href="/search/nucl-ex?searchtype=author&query=Litvinov%2C+Y+A">Yu. A. Litvinov</a>, <a href="/search/nucl-ex?searchtype=author&query=Litvinov%2C+S+A">S. A. Litvinov</a>, <a href="/search/nucl-ex?searchtype=author&query=Mei%2C+B">Bo Mei</a>, <a href="/search/nucl-ex?searchtype=author&query=Yan%2C+X">Xin-Liang Yan</a>, <a href="/search/nucl-ex?searchtype=author&query=Xu%2C+X">Xing Xu</a>, <a href="/search/nucl-ex?searchtype=author&query=Shuai%2C+P">Peng Shuai</a>, <a href="/search/nucl-ex?searchtype=author&query=Xing%2C+Y">Yuan-Ming Xing</a>, <a href="/search/nucl-ex?searchtype=author&query=Chen%2C+R">Rui-Jiu Chen</a>, <a href="/search/nucl-ex?searchtype=author&query=Chen%2C+X">Xiang-Cheng Chen</a>, <a href="/search/nucl-ex?searchtype=author&query=Fu%2C+C">Chao-Yi Fu</a>, <a href="/search/nucl-ex?searchtype=author&query=Zeng%2C+Q">Qi Zeng</a>, <a href="/search/nucl-ex?searchtype=author&query=Sun%2C+M">Ming-Ze Sun</a>, <a href="/search/nucl-ex?searchtype=author&query=Li%2C+H">Hong-Fu Li</a>, <a href="/search/nucl-ex?searchtype=author&query=Wang%2C+Q">Qian Wang</a>, <a href="/search/nucl-ex?searchtype=author&query=Bao%2C+T">Tong Bao</a>, <a href="/search/nucl-ex?searchtype=author&query=Zhang%2C+M">Min Zhang</a>, <a href="/search/nucl-ex?searchtype=author&query=Si%2C+M">Min Si</a>, <a href="/search/nucl-ex?searchtype=author&query=Deng%2C+H">Han-Yu Deng</a>, <a href="/search/nucl-ex?searchtype=author&query=Liu%2C+M">Ming-Zheng Liu</a> , et al. (3 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2111.10836v2-abstract-short" style="display: inline;"> Isochronous mass spectrometry (IMS) of heavyion storage rings is a powerful tool for the mass measurements of short-lived nuclei. In IMS experiments, masses are determined through precision measurements of the revolution times of the ions stored in the ring. However, the revolution times cannot be resolved for particles with nearly the same mass-to-charge (m/q) ratios. To overcome this limitation… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2111.10836v2-abstract-full').style.display = 'inline'; document.getElementById('2111.10836v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2111.10836v2-abstract-full" style="display: none;"> Isochronous mass spectrometry (IMS) of heavyion storage rings is a powerful tool for the mass measurements of short-lived nuclei. In IMS experiments, masses are determined through precision measurements of the revolution times of the ions stored in the ring. However, the revolution times cannot be resolved for particles with nearly the same mass-to-charge (m/q) ratios. To overcome this limitation and to extract the accurate revolution times for such pairs of ion species with very close m/q ratios, in our early work on particle identification, we analyzed the amplitudes of the timing signals from the detector based on the emission of secondary electrons. Here, the previous data analysis method is further improved by considering the signal amplitudes, detection efficiencies, and number of stored ions in the ring. A sensitive Z-dependent parameter is introduced in the data analysis, leading to a better resolution of $^{34}$Ar$^{18+}$ and $^{51}$Co$^{27+}$ with A/Z=17/9. The mean revolution times of $^{34}$Ar$^{18+}$ and $^{51}$Co$^{27+}$ are deduced, although their time difference is merely 1.8 ps. The uncorrected, overlapped peak of these ions has a full width at half maximum of 7.7 ps. The mass excess of $^{51}$Co was determined to be -27332(41) keV, which is in agreement with the previous value of -27342(48) keV. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2111.10836v2-abstract-full').style.display = 'none'; document.getElementById('2111.10836v2-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 December, 2021; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 21 November, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 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">8 pages, 6 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> NUCL SCI TECH (2021) 32:37 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2108.03814">arXiv:2108.03814</a> <span> [<a href="https://arxiv.org/pdf/2108.03814">pdf</a>, <a href="https://arxiv.org/format/2108.03814">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Solar and Stellar Astrophysics">astro-ph.SR</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1007/s43673-021-00018-z">10.1007/s43673-021-00018-z <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Progress in Nuclear Astrophysics of East and Southeast Asia </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Aziz%2C+A+A">Azni Abdul Aziz</a>, <a href="/search/nucl-ex?searchtype=author&query=Ahmad%2C+N+S">Nor Sofiah Ahmad</a>, <a href="/search/nucl-ex?searchtype=author&query=Ahn%2C+S">S. Ahn</a>, <a href="/search/nucl-ex?searchtype=author&query=Aoki%2C+W">Wako Aoki</a>, <a href="/search/nucl-ex?searchtype=author&query=Bhuyan%2C+M">Muruthujaya Bhuyan</a>, <a href="/search/nucl-ex?searchtype=author&query=Chen%2C+K">Ke-Jung Chen</a>, <a href="/search/nucl-ex?searchtype=author&query=Guo%2C+G">Gang Guo</a>, <a href="/search/nucl-ex?searchtype=author&query=Hahn%2C+K+I">K. I. Hahn</a>, <a href="/search/nucl-ex?searchtype=author&query=Kajino%2C+T">Toshitaka Kajino</a>, <a href="/search/nucl-ex?searchtype=author&query=Kassim%2C+H+A">Hasan Abu Kassim</a>, <a href="/search/nucl-ex?searchtype=author&query=Kim%2C+D">D. Kim</a>, <a href="/search/nucl-ex?searchtype=author&query=Kubono%2C+S">Shigeru Kubono</a>, <a href="/search/nucl-ex?searchtype=author&query=Kusakabe%2C+M">Motohiko Kusakabe</a>, <a href="/search/nucl-ex?searchtype=author&query=Li%2C+A">A. Li</a>, <a href="/search/nucl-ex?searchtype=author&query=Li%2C+H">Haining Li</a>, <a href="/search/nucl-ex?searchtype=author&query=Li%2C+Z+H">Z. H. Li</a>, <a href="/search/nucl-ex?searchtype=author&query=Liu%2C+W+P">W. P. Liu</a>, <a href="/search/nucl-ex?searchtype=author&query=Liu%2C+Z+W">Z. W. Liu</a>, <a href="/search/nucl-ex?searchtype=author&query=Motobayashi%2C+T">Tohru Motobayashi</a>, <a href="/search/nucl-ex?searchtype=author&query=Pan%2C+K">Kuo-Chuan Pan</a>, <a href="/search/nucl-ex?searchtype=author&query=Park%2C+T+-">T. -S. Park</a>, <a href="/search/nucl-ex?searchtype=author&query=Shi%2C+J">Jian-Rong Shi</a>, <a href="/search/nucl-ex?searchtype=author&query=Tang%2C+X">Xiaodong Tang</a>, <a href="/search/nucl-ex?searchtype=author&query=Wang%2C+W">W. Wang</a>, <a href="/search/nucl-ex?searchtype=author&query=Wen%2C+L">Liangjian Wen</a> , et al. (3 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2108.03814v1-abstract-short" style="display: inline;"> Nuclear astrophysics is an interdisciplinary research field of nuclear physics and astrophysics, seeking for the answer to a question, how to understand the evolution of the Universe with the nuclear processes which we learn. We review the research activities of nuclear astrophysics in east and southeast Asia which includes astronomy, experimental and theoretical nuclear physics and astrophysics.… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2108.03814v1-abstract-full').style.display = 'inline'; document.getElementById('2108.03814v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2108.03814v1-abstract-full" style="display: none;"> Nuclear astrophysics is an interdisciplinary research field of nuclear physics and astrophysics, seeking for the answer to a question, how to understand the evolution of the Universe with the nuclear processes which we learn. We review the research activities of nuclear astrophysics in east and southeast Asia which includes astronomy, experimental and theoretical nuclear physics and astrophysics. Several hot topics such as the Li problems, critical nuclear reactions and properties in stars, properties of dense matter, r-process nucleosynthesis and $谓$-process nucleosynthesis are chosen and discussed in further details. Some future Asian facilities, together with physics perspectives, are introduced. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2108.03814v1-abstract-full').style.display = 'none'; document.getElementById('2108.03814v1-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 August, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 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">49 pages, 10 figures, published in AAPPS (Association of Asia Pacific Physical Societies) Bulletin</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> AAPPS Bulletin 31 (2021) 18 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2005.08745">arXiv:2005.08745</a> <span> [<a href="https://arxiv.org/pdf/2005.08745">pdf</a>, <a href="https://arxiv.org/format/2005.08745">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"> TAO Conceptual Design Report: A Precision Measurement of the Reactor Antineutrino Spectrum with Sub-percent Energy Resolution </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=JUNO+Collaboration"> JUNO Collaboration</a>, <a href="/search/nucl-ex?searchtype=author&query=Abusleme%2C+A">Angel Abusleme</a>, <a href="/search/nucl-ex?searchtype=author&query=Adam%2C+T">Thomas Adam</a>, <a href="/search/nucl-ex?searchtype=author&query=Ahmad%2C+S">Shakeel Ahmad</a>, <a href="/search/nucl-ex?searchtype=author&query=Aiello%2C+S">Sebastiano Aiello</a>, <a href="/search/nucl-ex?searchtype=author&query=Akram%2C+M">Muhammad Akram</a>, <a href="/search/nucl-ex?searchtype=author&query=Ali%2C+N">Nawab Ali</a>, <a href="/search/nucl-ex?searchtype=author&query=An%2C+F">Fengpeng An</a>, <a href="/search/nucl-ex?searchtype=author&query=An%2C+G">Guangpeng An</a>, <a href="/search/nucl-ex?searchtype=author&query=An%2C+Q">Qi An</a>, <a href="/search/nucl-ex?searchtype=author&query=Andronico%2C+G">Giuseppe Andronico</a>, <a href="/search/nucl-ex?searchtype=author&query=Anfimov%2C+N">Nikolay Anfimov</a>, <a href="/search/nucl-ex?searchtype=author&query=Antonelli%2C+V">Vito Antonelli</a>, <a href="/search/nucl-ex?searchtype=author&query=Antoshkina%2C+T">Tatiana Antoshkina</a>, <a href="/search/nucl-ex?searchtype=author&query=Asavapibhop%2C+B">Burin Asavapibhop</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Andr%C3%A9%2C+J+P+A+M">Jo茫o Pedro Athayde Marcondes de Andr茅</a>, <a href="/search/nucl-ex?searchtype=author&query=Auguste%2C+D">Didier Auguste</a>, <a href="/search/nucl-ex?searchtype=author&query=Babic%2C+A">Andrej Babic</a>, <a href="/search/nucl-ex?searchtype=author&query=Baldini%2C+W">Wander Baldini</a>, <a href="/search/nucl-ex?searchtype=author&query=Barresi%2C+A">Andrea Barresi</a>, <a href="/search/nucl-ex?searchtype=author&query=Baussan%2C+E">Eric Baussan</a>, <a href="/search/nucl-ex?searchtype=author&query=Bellato%2C+M">Marco Bellato</a>, <a href="/search/nucl-ex?searchtype=author&query=Bergnoli%2C+A">Antonio Bergnoli</a>, <a href="/search/nucl-ex?searchtype=author&query=Bernieri%2C+E">Enrico Bernieri</a>, <a href="/search/nucl-ex?searchtype=author&query=Biare%2C+D">David Biare</a> , et al. (568 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="2005.08745v1-abstract-short" style="display: inline;"> The Taishan Antineutrino Observatory (TAO, also known as JUNO-TAO) is a satellite experiment of the Jiangmen Underground Neutrino Observatory (JUNO). A ton-level liquid scintillator detector will be placed at about 30 m from a core of the Taishan Nuclear Power Plant. The reactor antineutrino spectrum will be measured with sub-percent energy resolution, to provide a reference spectrum for future re… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2005.08745v1-abstract-full').style.display = 'inline'; document.getElementById('2005.08745v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2005.08745v1-abstract-full" style="display: none;"> The Taishan Antineutrino Observatory (TAO, also known as JUNO-TAO) is a satellite experiment of the Jiangmen Underground Neutrino Observatory (JUNO). A ton-level liquid scintillator detector will be placed at about 30 m from a core of the Taishan Nuclear Power Plant. The reactor antineutrino spectrum will be measured with sub-percent energy resolution, to provide a reference spectrum for future reactor neutrino experiments, and to provide a benchmark measurement to test nuclear databases. A spherical acrylic vessel containing 2.8 ton gadolinium-doped liquid scintillator will be viewed by 10 m^2 Silicon Photomultipliers (SiPMs) of >50% photon detection efficiency with almost full coverage. The photoelectron yield is about 4500 per MeV, an order higher than any existing large-scale liquid scintillator detectors. The detector operates at -50 degree C to lower the dark noise of SiPMs to an acceptable level. The detector will measure about 2000 reactor antineutrinos per day, and is designed to be well shielded from cosmogenic backgrounds and ambient radioactivities to have about 10% background-to-signal ratio. The experiment is expected to start operation in 2022. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2005.08745v1-abstract-full').style.display = 'none'; document.getElementById('2005.08745v1-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, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 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">134 pages, 114 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/1405.2882">arXiv:1405.2882</a> <span> [<a href="https://arxiv.org/pdf/1405.2882">pdf</a>, <a href="https://arxiv.org/format/1405.2882">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <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"> PandaX: A Liquid Xenon Dark Matter Experiment at CJPL </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Cao%2C+X+G">X. G. Cao</a>, <a href="/search/nucl-ex?searchtype=author&query=Chen%2C+X">X. Chen</a>, <a href="/search/nucl-ex?searchtype=author&query=Chen%2C+Y+H">Y. H. Chen</a>, <a href="/search/nucl-ex?searchtype=author&query=Cui%2C+X+Y">X. Y. Cui</a>, <a href="/search/nucl-ex?searchtype=author&query=Fang%2C+D+Q">D. Q. Fang</a>, <a href="/search/nucl-ex?searchtype=author&query=Fu%2C+C+B">C. B. Fu</a>, <a href="/search/nucl-ex?searchtype=author&query=Giboni%2C+K+L">K. L. Giboni</a>, <a href="/search/nucl-ex?searchtype=author&query=Gong%2C+H+W">H. W. Gong</a>, <a href="/search/nucl-ex?searchtype=author&query=Guo%2C+G+D">G. D. Guo</a>, <a href="/search/nucl-ex?searchtype=author&query=He%2C+M">M. He</a>, <a href="/search/nucl-ex?searchtype=author&query=Hu%2C+J">J. Hu</a>, <a href="/search/nucl-ex?searchtype=author&query=Huang%2C+X+T">X. T. Huang</a>, <a href="/search/nucl-ex?searchtype=author&query=Ji%2C+X+D">X. D. Ji</a>, <a href="/search/nucl-ex?searchtype=author&query=Ju%2C+Y+L">Y. L. Ju</a>, <a href="/search/nucl-ex?searchtype=author&query=Li%2C+S+L">S. L. Li</a>, <a href="/search/nucl-ex?searchtype=author&query=Lin%2C+Q">Q. Lin</a>, <a href="/search/nucl-ex?searchtype=author&query=Liu%2C+H+X">H. X. Liu</a>, <a href="/search/nucl-ex?searchtype=author&query=Liu%2C+J+L">J. L. Liu</a>, <a href="/search/nucl-ex?searchtype=author&query=Liu%2C+X">X. Liu</a>, <a href="/search/nucl-ex?searchtype=author&query=Lorenzon%2C+W">W. Lorenzon</a>, <a href="/search/nucl-ex?searchtype=author&query=Ma%2C+Y+G">Y. G. Ma</a>, <a href="/search/nucl-ex?searchtype=author&query=Mao%2C+Y+J">Y. J. Mao</a>, <a href="/search/nucl-ex?searchtype=author&query=Ni%2C+K+X">K. X. Ni</a>, <a href="/search/nucl-ex?searchtype=author&query=Pushkin%2C+K">K. Pushkin</a>, <a href="/search/nucl-ex?searchtype=author&query=Ren%2C+X+X">X. X. Ren</a> , et al. (25 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="1405.2882v1-abstract-short" style="display: inline;"> PandaX is a large upgradable liquid-xenon detector system that can be used for both direct dark-matter detection and $^{136}$Xe double-beta decay search. It is located in the Jinping Deep-Underground Laboratory in Sichuan, China. The detector operates in dual-phase mode, allowing detection of both prompt scintillation, and ionization charge through proportional scintillation. The central time proj… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1405.2882v1-abstract-full').style.display = 'inline'; document.getElementById('1405.2882v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1405.2882v1-abstract-full" style="display: none;"> PandaX is a large upgradable liquid-xenon detector system that can be used for both direct dark-matter detection and $^{136}$Xe double-beta decay search. It is located in the Jinping Deep-Underground Laboratory in Sichuan, China. The detector operates in dual-phase mode, allowing detection of both prompt scintillation, and ionization charge through proportional scintillation. The central time projection chamber will be staged, with the first stage accommodating a target mass of about 120\,kg. In stage II, the target mass will be increased to about 0.5\,ton. In the final stage, the detector can be upgraded to a multi-ton target mass. In this paper a detailed description of the stage-I detector design and performance results established during the commissioning phase is presented. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1405.2882v1-abstract-full').style.display = 'none'; document.getElementById('1405.2882v1-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 May, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 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">28 pages, 23 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/1310.5528">arXiv:1310.5528</a> <span> [<a href="https://arxiv.org/pdf/1310.5528">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Accelerator Physics">physics.acc-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> First experimental research of low energy proton radiography </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Wei%2C+T">Tao Wei</a>, <a href="/search/nucl-ex?searchtype=author&query=Yang%2C+G">Guojun Yang</a>, <a href="/search/nucl-ex?searchtype=author&query=Long%2C+J">Jidong Long</a>, <a href="/search/nucl-ex?searchtype=author&query=He%2C+X">Xiaozhong He</a>, <a href="/search/nucl-ex?searchtype=author&query=Li%2C+Y">Yiding Li</a>, <a href="/search/nucl-ex?searchtype=author&query=Zhang%2C+X">Xiaoding Zhang</a>, <a href="/search/nucl-ex?searchtype=author&query=Ma%2C+C">Chaofan Ma</a>, <a href="/search/nucl-ex?searchtype=author&query=Zhao%2C+L">Liangchao Zhao</a>, <a href="/search/nucl-ex?searchtype=author&query=Shi%2C+J">Jinshui Shi</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1310.5528v1-abstract-short" style="display: inline;"> Proton radiography is a new scatheless diagnostic tool, and which provides a potential development direction for advanced hydrotesting. Recently a low energy proton radiography system has been developed at CAEP. This system has been designed to use 11MeV proton beam to radiograph thin static objects. This system consists of a proton cyclotron coupled to an imaging beamline. The design features and… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1310.5528v1-abstract-full').style.display = 'inline'; document.getElementById('1310.5528v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1310.5528v1-abstract-full" style="display: none;"> Proton radiography is a new scatheless diagnostic tool, and which provides a potential development direction for advanced hydrotesting. Recently a low energy proton radiography system has been developed at CAEP. This system has been designed to use 11MeV proton beam to radiograph thin static objects. This system consists of a proton cyclotron coupled to an imaging beamline. The design features and commissioning results of this radiography system are presented. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1310.5528v1-abstract-full').style.display = 'none'; document.getElementById('1310.5528v1-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, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2013. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">5 pages, 6 figures. Submitted to Chinese Physics C</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1305.4997">arXiv:1305.4997</a> <span> [<a href="https://arxiv.org/pdf/1305.4997">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Accelerator Physics">physics.acc-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="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/10.1088/1674-1137/38/4/047002">10.1088/1674-1137/38/4/047002 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The SHER-HIAF Ring Lattice Design </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Gao%2C+X">X. Gao</a>, <a href="/search/nucl-ex?searchtype=author&query=Yang%2C+J+C">J. C. Yang</a>, <a href="/search/nucl-ex?searchtype=author&query=Xia%2C+J+W">J. W. Xia</a>, <a href="/search/nucl-ex?searchtype=author&query=Chai%2C+W+P">W. P. Chai</a>, <a href="/search/nucl-ex?searchtype=author&query=Shi%2C+J">J. Shi</a>, <a href="/search/nucl-ex?searchtype=author&query=Shen%2C+G+D">G. D. Shen</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1305.4997v1-abstract-short" style="display: inline;"> Super Heavy Experimental Ring (SHER) is one of the rings of the next accelerator complex High Intensity Heavy Ion Accelerator Facility (HIAF) at IMP[4]. Here, present ideas of the lattice design for the operation of the large acceptance ring are presented. The SHER ring has to be optimized for e-cooling and the lattice is designed for different modes. First of all, it is designed in the so called… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1305.4997v1-abstract-full').style.display = 'inline'; document.getElementById('1305.4997v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1305.4997v1-abstract-full" style="display: none;"> Super Heavy Experimental Ring (SHER) is one of the rings of the next accelerator complex High Intensity Heavy Ion Accelerator Facility (HIAF) at IMP[4]. Here, present ideas of the lattice design for the operation of the large acceptance ring are presented. The SHER ring has to be optimized for e-cooling and the lattice is designed for different modes. First of all, it is designed in the so called isochronous mode as time-of-flight mass spectrometer for short-lived secondary nuclei. Secondly, SHER can also be used to be a storage ring for collecting and cooling the secondary rare isotope beams from the transport line. In order to fulfil it's purpose, the ion optics can be set to different ion optical modes. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1305.4997v1-abstract-full').style.display = 'none'; document.getElementById('1305.4997v1-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 May, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2013. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1208.0714">arXiv:1208.0714</a> <span> [<a href="https://arxiv.org/pdf/1208.0714">pdf</a>, <a href="https://arxiv.org/ps/1208.0714">ps</a>, <a href="https://arxiv.org/format/1208.0714">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Solar and Stellar Astrophysics">astro-ph.SR</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/10.1088/0004-637X/756/2/193">10.1088/0004-637X/756/2/193 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> New determination of the 13C(a, n)16O reaction rate and its influence on the s-process nucleosynthesis in AGB stars </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Guo%2C+B">B. Guo</a>, <a href="/search/nucl-ex?searchtype=author&query=Li%2C+Z+H">Z. H. Li</a>, <a href="/search/nucl-ex?searchtype=author&query=Lugaro%2C+M">M. Lugaro</a>, <a href="/search/nucl-ex?searchtype=author&query=Buntain%2C+J">J. Buntain</a>, <a href="/search/nucl-ex?searchtype=author&query=Pang%2C+D+Y">D. Y. Pang</a>, <a href="/search/nucl-ex?searchtype=author&query=Li%2C+Y+J">Y. J. Li</a>, <a href="/search/nucl-ex?searchtype=author&query=Su%2C+J">J. Su</a>, <a href="/search/nucl-ex?searchtype=author&query=Yan%2C+S+Q">S. Q. Yan</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+X+X">X. X. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Chen%2C+Y+S">Y. S. Chen</a>, <a href="/search/nucl-ex?searchtype=author&query=Fan%2C+Q+W">Q. W. Fan</a>, <a href="/search/nucl-ex?searchtype=author&query=Jin%2C+S+J">S. J. Jin</a>, <a href="/search/nucl-ex?searchtype=author&query=Karakas%2C+A+I">A. I. Karakas</a>, <a href="/search/nucl-ex?searchtype=author&query=Li%2C+E+T">E. T. Li</a>, <a href="/search/nucl-ex?searchtype=author&query=Li%2C+Z+C">Z. C. Li</a>, <a href="/search/nucl-ex?searchtype=author&query=Lian%2C+G">G. Lian</a>, <a href="/search/nucl-ex?searchtype=author&query=Liu%2C+J+C">J. C. Liu</a>, <a href="/search/nucl-ex?searchtype=author&query=Liu%2C+X">X. Liu</a>, <a href="/search/nucl-ex?searchtype=author&query=Shi%2C+J+R">J. R. Shi</a>, <a href="/search/nucl-ex?searchtype=author&query=Shu%2C+N+C">N. C. Shu</a>, <a href="/search/nucl-ex?searchtype=author&query=Wang%2C+B+X">B. X. Wang</a>, <a href="/search/nucl-ex?searchtype=author&query=Wang%2C+Y+B">Y. B. Wang</a>, <a href="/search/nucl-ex?searchtype=author&query=Zeng%2C+S">S. Zeng</a>, <a href="/search/nucl-ex?searchtype=author&query=Liu%2C+W+P">W. P. Liu</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1208.0714v1-abstract-short" style="display: inline;"> We present a new measurement of the $伪$-spectroscopic factor ($S_伪$) and the asymptotic normalization coefficient (ANC) for the 6.356 MeV 1/2$^+$ subthreshold state of $^{17}$O through the $^{13}$C($^{11}$B, $^{7}$Li)$^{17}$O transfer reaction and we determine the $伪$-width of this state. This is believed to have a strong effect on the rate of the $^{13}$C($伪$, $n$)$^{16}$O reaction, the main neut… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1208.0714v1-abstract-full').style.display = 'inline'; document.getElementById('1208.0714v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1208.0714v1-abstract-full" style="display: none;"> We present a new measurement of the $伪$-spectroscopic factor ($S_伪$) and the asymptotic normalization coefficient (ANC) for the 6.356 MeV 1/2$^+$ subthreshold state of $^{17}$O through the $^{13}$C($^{11}$B, $^{7}$Li)$^{17}$O transfer reaction and we determine the $伪$-width of this state. This is believed to have a strong effect on the rate of the $^{13}$C($伪$, $n$)$^{16}$O reaction, the main neutron source for {\it slow} neutron captures (the $s$-process) in asymptotic giant branch (AGB) stars. Based on the new width we derive the astrophysical S-factor and the stellar rate of the $^{13}$C($伪$, $n$)$^{16}$O reaction. At a temperature of 100 MK our rate is roughly two times larger than that by \citet{cau88} and two times smaller than that recommended by the NACRE compilation. We use the new rate and different rates available in the literature as input in simulations of AGB stars to study their influence on the abundances of selected $s$-process elements and isotopic ratios. There are no changes in the final results using the different rates for the $^{13}$C($伪$, $n$)$^{16}$O reaction when the $^{13}$C burns completely in radiative conditions. When the $^{13}$C burns in convective conditions, as in stars of initial mass lower than $\sim$2 $M_\sun$ and in post-AGB stars, some changes are to be expected, e.g., of up to 25% for Pb in our models. These variations will have to be carefully analyzed when more accurate stellar mixing models and more precise observational constraints are available. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1208.0714v1-abstract-full').style.display = 'none'; document.getElementById('1208.0714v1-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 August, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2012. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Astrophys. J. 756, 193, 2012 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1206.4210">arXiv:1206.4210</a> <span> [<a href="https://arxiv.org/pdf/1206.4210">pdf</a>, <a href="https://arxiv.org/ps/1206.4210">ps</a>, <a href="https://arxiv.org/format/1206.4210">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</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="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/10.1103/PhysRevC.86.025201">10.1103/PhysRevC.86.025201 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> $危$ Resonances from $K^- N\rightarrow 蟺螞$ reactions with the center of mass energy from 1550 to 1676 MeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Gao%2C+P">Puze Gao</a>, <a href="/search/nucl-ex?searchtype=author&query=Shi%2C+J">Jun Shi</a>, <a href="/search/nucl-ex?searchtype=author&query=Zou%2C+B+S">B. S. Zou</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1206.4210v2-abstract-short" style="display: inline;"> For the study of the $危$ resonances, we analyze the differential cross sections and $螞$ polarizations for the reactions $K^-n\to蟺^-螞$ and $K^-p\to蟺^0螞$ with an effective Lagrangian approach. Data of an early experiment and the recent Crystal Ball experiment at BNL are included in the analysis with the c.m. energy from 1550 to 1676 MeV. Our results clearly support the existence of a $危$ resonance w… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1206.4210v2-abstract-full').style.display = 'inline'; document.getElementById('1206.4210v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1206.4210v2-abstract-full" style="display: none;"> For the study of the $危$ resonances, we analyze the differential cross sections and $螞$ polarizations for the reactions $K^-n\to蟺^-螞$ and $K^-p\to蟺^0螞$ with an effective Lagrangian approach. Data of an early experiment and the recent Crystal Ball experiment at BNL are included in the analysis with the c.m. energy from 1550 to 1676 MeV. Our results clearly support the existence of a $危$ resonance with $J^P={1\over 2}^+$, mass near 1633 MeV, and width about 120 MeV, which confirms the 3-star $危(1660) 1/2^+$ in PDG. Meanwhile, our results do not support the existence of the 2-star $危(1620){1\over 2}^-$ in PDG. The analysis results for the parameters of the relevant $危$ resonances and couplings are presented. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1206.4210v2-abstract-full').style.display = 'none'; document.getElementById('1206.4210v2-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 August, 2012; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 19 June, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2012. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">version accepted by Phys. Rev. C</span> </p> </li> </ol> <div class="is-hidden-tablet">  <span class="help" style="display: inline-block;"><a href="https://github.com/arXiv/arxiv-search/releases">Search v0.5.6 released 2020-02-24</a>  </span> </div> </div> </main> <footer> <div class="columns is-desktop" role="navigation" aria-label="Secondary">  <div class="column"> <div class="columns"> <div class="column"> <ul class="nav-spaced"> <li><a href="https://info.arxiv.org/about">About</a></li> <li><a href="https://info.arxiv.org/help">Help</a></li> </ul> </div> <div class="column"> <ul class="nav-spaced"> <li> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><title>contact arXiv</title><desc>Click here to contact arXiv</desc><path d="M502.3 190.8c3.9-3.1 9.7-.2 9.7 4.7V400c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V195.6c0-5 5.7-7.8 9.7-4.7 22.4 17.4 52.1 39.5 154.1 113.6 21.1 15.4 56.7 47.8 92.2 47.6 35.7.3 72-32.8 92.3-47.6 102-74.1 131.6-96.3 154-113.7zM256 320c23.2.4 56.6-29.2 73.4-41.4 132.7-96.3 142.8-104.7 173.4-128.7 5.8-4.5 9.2-11.5 9.2-18.9v-19c0-26.5-21.5-48-48-48H48C21.5 64 0 85.5 0 112v19c0 7.4 3.4 14.3 9.2 18.9 30.6 23.9 40.7 32.4 173.4 128.7 16.8 12.2 50.2 41.8 73.4 41.4z"/></svg> <a href="https://info.arxiv.org/help/contact.html"> Contact</a> </li> <li> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><title>subscribe to arXiv mailings</title><desc>Click here to subscribe</desc><path d="M476 3.2L12.5 270.6c-18.1 10.4-15.8 35.6 2.2 43.2L121 358.4l287.3-253.2c5.5-4.9 13.3 2.6 8.6 8.3L176 407v80.5c0 23.6 28.5 32.9 42.5 15.8L282 426l124.6 52.2c14.2 6 30.4-2.9 33-18.2l72-432C515 7.8 493.3-6.8 476 3.2z"/></svg> <a href="https://info.arxiv.org/help/subscribe"> Subscribe</a> </li> </ul> </div> </div> </div>   <div class="column"> <div class="columns"> <div class="column"> <ul class="nav-spaced"> <li><a href="https://info.arxiv.org/help/license/index.html">Copyright</a></li> <li><a href="https://info.arxiv.org/help/policies/privacy_policy.html">Privacy Policy</a></li> </ul> </div> <div class="column sorry-app-links"> <ul class="nav-spaced"> <li><a href="https://info.arxiv.org/help/web_accessibility.html">Web Accessibility Assistance</a></li> <li> <p class="help"> <a class="a11y-main-link" href="https://status.arxiv.org" target="_blank">arXiv Operational Status <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 256 512" class="icon filter-dark_grey" role="presentation"><path d="M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z"/></svg></a><br> Get status notifications via <a class="is-link" href="https://subscribe.sorryapp.com/24846f03/email/new" target="_blank"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><path d="M502.3 190.8c3.9-3.1 9.7-.2 9.7 4.7V400c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V195.6c0-5 5.7-7.8 9.7-4.7 22.4 17.4 52.1 39.5 154.1 113.6 21.1 15.4 56.7 47.8 92.2 47.6 35.7.3 72-32.8 92.3-47.6 102-74.1 131.6-96.3 154-113.7zM256 320c23.2.4 56.6-29.2 73.4-41.4 132.7-96.3 142.8-104.7 173.4-128.7 5.8-4.5 9.2-11.5 9.2-18.9v-19c0-26.5-21.5-48-48-48H48C21.5 64 0 85.5 0 112v19c0 7.4 3.4 14.3 9.2 18.9 30.6 23.9 40.7 32.4 173.4 128.7 16.8 12.2 50.2 41.8 73.4 41.4z"/></svg>email</a> or <a class="is-link" href="https://subscribe.sorryapp.com/24846f03/slack/new" target="_blank"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512" class="icon filter-black" role="presentation"><path d="M94.12 315.1c0 25.9-21.16 47.06-47.06 47.06S0 341 0 315.1c0-25.9 21.16-47.06 47.06-47.06h47.06v47.06zm23.72 0c0-25.9 21.16-47.06 47.06-47.06s47.06 21.16 47.06 47.06v117.84c0 25.9-21.16 47.06-47.06 47.06s-47.06-21.16-47.06-47.06V315.1zm47.06-188.98c-25.9 0-47.06-21.16-47.06-47.06S139 32 164.9 32s47.06 21.16 47.06 47.06v47.06H164.9zm0 23.72c25.9 0 47.06 21.16 47.06 47.06s-21.16 47.06-47.06 47.06H47.06C21.16 243.96 0 222.8 0 196.9s21.16-47.06 47.06-47.06H164.9zm188.98 47.06c0-25.9 21.16-47.06 47.06-47.06 25.9 0 47.06 21.16 47.06 47.06s-21.16 47.06-47.06 47.06h-47.06V196.9zm-23.72 0c0 25.9-21.16 47.06-47.06 47.06-25.9 0-47.06-21.16-47.06-47.06V79.06c0-25.9 21.16-47.06 47.06-47.06 25.9 0 47.06 21.16 47.06 47.06V196.9zM283.1 385.88c25.9 0 47.06 21.16 47.06 47.06 0 25.9-21.16 47.06-47.06 47.06-25.9 0-47.06-21.16-47.06-47.06v-47.06h47.06zm0-23.72c-25.9 0-47.06-21.16-47.06-47.06 0-25.9 21.16-47.06 47.06-47.06h117.84c25.9 0 47.06 21.16 47.06 47.06 0 25.9-21.16 47.06-47.06 47.06H283.1z"/></svg>slack</a> </p> </li> </ul> </div> </div> </div>  </div> </footer> <script src="https://static.arxiv.org/static/base/1.0.0a5/js/member_acknowledgement.js"></script> </body> </html>

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