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</div> <div class="control"> <button class="button is-small is-link">Go</button> </div> </div> </form> </div> </div> <ol class="breathe-horizontal" start="1"> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2411.03280">arXiv:2411.03280</a> <span> [<a href="https://arxiv.org/pdf/2411.03280">pdf</a>, <a href="https://arxiv.org/format/2411.03280">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> </div> <p class="title is-5 mathjax"> Data-driven model validation for neutrino-nucleus cross section measurements </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=MicroBooNE+collaboration"> MicroBooNE collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abratenko%2C+P">P. Abratenko</a>, <a href="/search/hep-ex?searchtype=author&query=Alterkait%2C+O">O. Alterkait</a>, <a href="/search/hep-ex?searchtype=author&query=Aldana%2C+D+A">D. Andrade Aldana</a>, <a href="/search/hep-ex?searchtype=author&query=Arellano%2C+L">L. Arellano</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashkenazi%2C+A">A. Ashkenazi</a>, <a href="/search/hep-ex?searchtype=author&query=Balasubramanian%2C+S">S. Balasubramanian</a>, <a href="/search/hep-ex?searchtype=author&query=Baller%2C+B">B. Baller</a>, <a href="/search/hep-ex?searchtype=author&query=Barnard%2C+A">A. Barnard</a>, <a href="/search/hep-ex?searchtype=author&query=Barr%2C+G">G. Barr</a>, <a href="/search/hep-ex?searchtype=author&query=Barrow%2C+D">D. Barrow</a>, <a href="/search/hep-ex?searchtype=author&query=Barrow%2C+J">J. Barrow</a>, <a href="/search/hep-ex?searchtype=author&query=Basque%2C+V">V. Basque</a>, <a href="/search/hep-ex?searchtype=author&query=Bateman%2C+J">J. Bateman</a>, <a href="/search/hep-ex?searchtype=author&query=Rodrigues%2C+O+B">O. Benevides Rodrigues</a>, <a href="/search/hep-ex?searchtype=author&query=Berkman%2C+S">S. Berkman</a>, <a href="/search/hep-ex?searchtype=author&query=Bhanderi%2C+A">A. Bhanderi</a>, <a href="/search/hep-ex?searchtype=author&query=Bhat%2C+A">A. Bhat</a>, <a href="/search/hep-ex?searchtype=author&query=Bhattacharya%2C+M">M. Bhattacharya</a>, <a href="/search/hep-ex?searchtype=author&query=Bishai%2C+M">M. Bishai</a>, <a href="/search/hep-ex?searchtype=author&query=Blake%2C+A">A. Blake</a>, <a href="/search/hep-ex?searchtype=author&query=Bogart%2C+B">B. Bogart</a>, <a href="/search/hep-ex?searchtype=author&query=Bolton%2C+T">T. Bolton</a>, <a href="/search/hep-ex?searchtype=author&query=Brunetti%2C+M+B">M. B. Brunetti</a> , et al. (162 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="2411.03280v1-abstract-short" style="display: inline;"> Neutrino-nucleus cross section measurements are needed to improve interaction modeling to meet the precision needs of neutrino experiments in efforts to measure oscillation parameters and search for physics beyond the Standard Model. We review the difficulties associated with modeling neutrino-nucleus interactions that lead to a dependence on event generators in oscillation analyses and cross sect… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2411.03280v1-abstract-full').style.display = 'inline'; document.getElementById('2411.03280v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2411.03280v1-abstract-full" style="display: none;"> Neutrino-nucleus cross section measurements are needed to improve interaction modeling to meet the precision needs of neutrino experiments in efforts to measure oscillation parameters and search for physics beyond the Standard Model. We review the difficulties associated with modeling neutrino-nucleus interactions that lead to a dependence on event generators in oscillation analyses and cross section measurements alike. We then describe data-driven model validation techniques intended to address this model dependence. The method relies on utilizing various goodness-of-fit tests and the correlations between different observables and channels to probe the model for defects in the phase space relevant for the desired analysis. These techniques shed light on relevant mis-modeling, allowing it to be detected before it begins to bias the cross section results. We compare more commonly used model validation methods which directly validate the model against alternative ones to these data-driven techniques and show their efficacy with fake data studies. These studies demonstrate that employing data-driven model validation in cross section measurements represents a reliable strategy to produce robust results that will stimulate the desired improvements to interaction modeling. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2411.03280v1-abstract-full').style.display = 'none'; document.getElementById('2411.03280v1-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 November, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-24-0817 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2410.18419">arXiv:2410.18419</a> <span> [<a href="https://arxiv.org/pdf/2410.18419">pdf</a>, <a href="https://arxiv.org/format/2410.18419">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.111.032005">10.1103/PhysRevD.111.032005 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Demonstration of new MeV-scale capabilities in large neutrino LArTPCs using ambient radiogenic and cosmogenic activity in MicroBooNE </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=MicroBooNE+collaboration"> MicroBooNE collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abratenko%2C+P">P. Abratenko</a>, <a href="/search/hep-ex?searchtype=author&query=Alterkait%2C+O">O. Alterkait</a>, <a href="/search/hep-ex?searchtype=author&query=Aldana%2C+D+A">D. Andrade Aldana</a>, <a href="/search/hep-ex?searchtype=author&query=Arellano%2C+L">L. Arellano</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashkenazi%2C+A">A. Ashkenazi</a>, <a href="/search/hep-ex?searchtype=author&query=Balasubramanian%2C+S">S. Balasubramanian</a>, <a href="/search/hep-ex?searchtype=author&query=Baller%2C+B">B. Baller</a>, <a href="/search/hep-ex?searchtype=author&query=Barnard%2C+A">A. Barnard</a>, <a href="/search/hep-ex?searchtype=author&query=Barr%2C+G">G. Barr</a>, <a href="/search/hep-ex?searchtype=author&query=Barrow%2C+D">D. Barrow</a>, <a href="/search/hep-ex?searchtype=author&query=Barrow%2C+J">J. Barrow</a>, <a href="/search/hep-ex?searchtype=author&query=Basque%2C+V">V. Basque</a>, <a href="/search/hep-ex?searchtype=author&query=Bateman%2C+J">J. Bateman</a>, <a href="/search/hep-ex?searchtype=author&query=Rodrigues%2C+O+B">O. Benevides Rodrigues</a>, <a href="/search/hep-ex?searchtype=author&query=Berkman%2C+S">S. Berkman</a>, <a href="/search/hep-ex?searchtype=author&query=Bhanderi%2C+A">A. Bhanderi</a>, <a href="/search/hep-ex?searchtype=author&query=Bhat%2C+A">A. Bhat</a>, <a href="/search/hep-ex?searchtype=author&query=Bhattacharya%2C+M">M. Bhattacharya</a>, <a href="/search/hep-ex?searchtype=author&query=Bishai%2C+M">M. Bishai</a>, <a href="/search/hep-ex?searchtype=author&query=Blake%2C+A">A. Blake</a>, <a href="/search/hep-ex?searchtype=author&query=Bogart%2C+B">B. Bogart</a>, <a href="/search/hep-ex?searchtype=author&query=Bolton%2C+T">T. Bolton</a>, <a href="/search/hep-ex?searchtype=author&query=Brunetti%2C+M+B">M. B. Brunetti</a> , et al. (162 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="2410.18419v3-abstract-short" style="display: inline;"> Large neutrino liquid argon time projection chamber (LArTPC) experiments can broaden their physics reach by reconstructing and interpreting MeV-scale energy depositions, or blips, present in their data. We demonstrate new calorimetric and particle discrimination capabilities at the MeV energy scale using reconstructed blips in data from the MicroBooNE LArTPC at Fermilab. We observe a concentration… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2410.18419v3-abstract-full').style.display = 'inline'; document.getElementById('2410.18419v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2410.18419v3-abstract-full" style="display: none;"> Large neutrino liquid argon time projection chamber (LArTPC) experiments can broaden their physics reach by reconstructing and interpreting MeV-scale energy depositions, or blips, present in their data. We demonstrate new calorimetric and particle discrimination capabilities at the MeV energy scale using reconstructed blips in data from the MicroBooNE LArTPC at Fermilab. We observe a concentration of low energy ($<$3~MeV) blips around fiberglass mechanical support struts along the TPC edges with energy spectrum features consistent with the Compton edge of 2.614 MeV $^{208}$Tl decay $纬$~rays. These features are used to verify proper calibration of electron energy scales in MicroBooNE's data to few percent precision and to measure the specific activity of $^{208}$Tl in the fiberglass composing these struts, $(11.7 \pm 0.2 ~\text{(stat)} \pm 3.1~\text{(syst)})$~Bq/kg. Cosmogenically-produced blips above 3~MeV in reconstructed energy are used to showcase the ability of large LArTPCs to distinguish between low-energy proton and electron energy depositions. An enriched sample of low-energy protons selected using this new particle discrimination technique is found to be smaller in data than in dedicated CORSIKA cosmic ray simulations, suggesting either incorrect CORSIKA modeling of incident cosmic fluxes or particle transport modeling issues in Geant4. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2410.18419v3-abstract-full').style.display = 'none'; document.getElementById('2410.18419v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 10 February, 2025; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 24 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">Accepted by Phys. Rev. D. Main paper 17 pages,14 figures and 1 table. Supplementary material 2 pages, 1 figure and 8 provided .dat files</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-24-0773 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 111, 032005 (2025) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2406.10583">arXiv:2406.10583</a> <span> [<a href="https://arxiv.org/pdf/2406.10583">pdf</a>, <a href="https://arxiv.org/format/2406.10583">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> </div> <p class="title is-5 mathjax"> Demonstration of neutron identification in neutrino interactions in the MicroBooNE liquid argon time projection chamber </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=MicroBooNE+collaboration"> MicroBooNE collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abratenko%2C+P">P. Abratenko</a>, <a href="/search/hep-ex?searchtype=author&query=Alterkait%2C+O">O. Alterkait</a>, <a href="/search/hep-ex?searchtype=author&query=Aldana%2C+D+A">D. Andrade Aldana</a>, <a href="/search/hep-ex?searchtype=author&query=Arellano%2C+L">L. Arellano</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashkenazi%2C+A">A. Ashkenazi</a>, <a href="/search/hep-ex?searchtype=author&query=Balasubramanian%2C+S">S. Balasubramanian</a>, <a href="/search/hep-ex?searchtype=author&query=Baller%2C+B">B. Baller</a>, <a href="/search/hep-ex?searchtype=author&query=Barnard%2C+A">A. Barnard</a>, <a href="/search/hep-ex?searchtype=author&query=Barr%2C+G">G. Barr</a>, <a href="/search/hep-ex?searchtype=author&query=Barrow%2C+D">D. Barrow</a>, <a href="/search/hep-ex?searchtype=author&query=Barrow%2C+J">J. Barrow</a>, <a href="/search/hep-ex?searchtype=author&query=Basque%2C+V">V. Basque</a>, <a href="/search/hep-ex?searchtype=author&query=Bateman%2C+J">J. Bateman</a>, <a href="/search/hep-ex?searchtype=author&query=Rodrigues%2C+O+B">O. Benevides Rodrigues</a>, <a href="/search/hep-ex?searchtype=author&query=Berkman%2C+S">S. Berkman</a>, <a href="/search/hep-ex?searchtype=author&query=Bhanderi%2C+A">A. Bhanderi</a>, <a href="/search/hep-ex?searchtype=author&query=Bhat%2C+A">A. Bhat</a>, <a href="/search/hep-ex?searchtype=author&query=Bhattacharya%2C+M">M. Bhattacharya</a>, <a href="/search/hep-ex?searchtype=author&query=Bishai%2C+M">M. Bishai</a>, <a href="/search/hep-ex?searchtype=author&query=Blake%2C+A">A. Blake</a>, <a href="/search/hep-ex?searchtype=author&query=Bogart%2C+B">B. Bogart</a>, <a href="/search/hep-ex?searchtype=author&query=Bolton%2C+T">T. Bolton</a>, <a href="/search/hep-ex?searchtype=author&query=Book%2C+J+Y">J. Y. Book</a> , et al. (165 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2406.10583v1-abstract-short" style="display: inline;"> A significant challenge in measurements of neutrino oscillations is reconstructing the incoming neutrino energies. While modern fully-active tracking calorimeters such as liquid argon time projection chambers in principle allow the measurement of all final state particles above some detection threshold, undetected neutrons remain a considerable source of missing energy with little to no data const… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2406.10583v1-abstract-full').style.display = 'inline'; document.getElementById('2406.10583v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2406.10583v1-abstract-full" style="display: none;"> A significant challenge in measurements of neutrino oscillations is reconstructing the incoming neutrino energies. While modern fully-active tracking calorimeters such as liquid argon time projection chambers in principle allow the measurement of all final state particles above some detection threshold, undetected neutrons remain a considerable source of missing energy with little to no data constraining their production rates and kinematics. We present the first demonstration of tagging neutrino-induced neutrons in liquid argon time projection chambers using secondary protons emitted from neutron-argon interactions in the MicroBooNE detector. We describe the method developed to identify neutrino-induced neutrons and demonstrate its performance using neutrons produced in muon-neutrino charged current interactions. The method is validated using a small subset of MicroBooNE's total dataset. The selection yields a sample with $60\%$ of selected tracks corresponding to neutron-induced secondary protons. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2406.10583v1-abstract-full').style.display = 'none'; document.getElementById('2406.10583v1-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 June, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-24-0301 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2406.10123">arXiv:2406.10123</a> <span> [<a href="https://arxiv.org/pdf/2406.10123">pdf</a>, <a href="https://arxiv.org/format/2406.10123">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> Improving neutrino energy estimation of charged-current interaction events with recurrent neural networks in MicroBooNE </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=MicroBooNE+collaboration"> MicroBooNE collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abratenko%2C+P">P. Abratenko</a>, <a href="/search/hep-ex?searchtype=author&query=Alterkait%2C+O">O. Alterkait</a>, <a href="/search/hep-ex?searchtype=author&query=Aldana%2C+D+A">D. Andrade Aldana</a>, <a href="/search/hep-ex?searchtype=author&query=Arellano%2C+L">L. Arellano</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashkenazi%2C+A">A. Ashkenazi</a>, <a href="/search/hep-ex?searchtype=author&query=Balasubramanian%2C+S">S. Balasubramanian</a>, <a href="/search/hep-ex?searchtype=author&query=Baller%2C+B">B. Baller</a>, <a href="/search/hep-ex?searchtype=author&query=Barnard%2C+A">A. Barnard</a>, <a href="/search/hep-ex?searchtype=author&query=Barr%2C+G">G. Barr</a>, <a href="/search/hep-ex?searchtype=author&query=Barrow%2C+D">D. Barrow</a>, <a href="/search/hep-ex?searchtype=author&query=Barrow%2C+J">J. Barrow</a>, <a href="/search/hep-ex?searchtype=author&query=Basque%2C+V">V. Basque</a>, <a href="/search/hep-ex?searchtype=author&query=Bateman%2C+J">J. Bateman</a>, <a href="/search/hep-ex?searchtype=author&query=Rodrigues%2C+O+B">O. Benevides Rodrigues</a>, <a href="/search/hep-ex?searchtype=author&query=Berkman%2C+S">S. Berkman</a>, <a href="/search/hep-ex?searchtype=author&query=Bhanderi%2C+A">A. Bhanderi</a>, <a href="/search/hep-ex?searchtype=author&query=Bhat%2C+A">A. Bhat</a>, <a href="/search/hep-ex?searchtype=author&query=Bhattacharya%2C+M">M. Bhattacharya</a>, <a href="/search/hep-ex?searchtype=author&query=Bishai%2C+M">M. Bishai</a>, <a href="/search/hep-ex?searchtype=author&query=Blake%2C+A">A. Blake</a>, <a href="/search/hep-ex?searchtype=author&query=Bogart%2C+B">B. Bogart</a>, <a href="/search/hep-ex?searchtype=author&query=Bolton%2C+T">T. Bolton</a>, <a href="/search/hep-ex?searchtype=author&query=Book%2C+J+Y">J. Y. Book</a> , et al. (164 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2406.10123v1-abstract-short" style="display: inline;"> We present a deep learning-based method for estimating the neutrino energy of charged-current neutrino-argon interactions. We employ a recurrent neural network (RNN) architecture for neutrino energy estimation in the MicroBooNE experiment, utilizing liquid argon time projection chamber (LArTPC) detector technology. Traditional energy estimation approaches in LArTPCs, which largely rely on reconstr… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2406.10123v1-abstract-full').style.display = 'inline'; document.getElementById('2406.10123v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2406.10123v1-abstract-full" style="display: none;"> We present a deep learning-based method for estimating the neutrino energy of charged-current neutrino-argon interactions. We employ a recurrent neural network (RNN) architecture for neutrino energy estimation in the MicroBooNE experiment, utilizing liquid argon time projection chamber (LArTPC) detector technology. Traditional energy estimation approaches in LArTPCs, which largely rely on reconstructing and summing visible energies, often experience sizable biases and resolution smearing because of the complex nature of neutrino interactions and the detector response. The estimation of neutrino energy can be improved after considering the kinematics information of reconstructed final-state particles. Utilizing kinematic information of reconstructed particles, the deep learning-based approach shows improved resolution and reduced bias for the muon neutrino Monte Carlo simulation sample compared to the traditional approach. In order to address the common concern about the effectiveness of this method on experimental data, the RNN-based energy estimator is further examined and validated with dedicated data-simulation consistency tests using MicroBooNE data. We also assess its potential impact on a neutrino oscillation study after accounting for all statistical and systematic uncertainties and show that it enhances physics sensitivity. This method has good potential to improve the performance of other physics analyses. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2406.10123v1-abstract-full').style.display = 'none'; document.getElementById('2406.10123v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 14 June, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-24-0287 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2406.07514">arXiv:2406.07514</a> <span> [<a href="https://arxiv.org/pdf/2406.07514">pdf</a>, <a href="https://arxiv.org/format/2406.07514">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1140/epjc/s10052-024-13306-3">10.1140/epjc/s10052-024-13306-3 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Scintillation Light in SBND: Simulation, Reconstruction, and Expected Performance of the Photon Detection System </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=SBND+Collaboration"> SBND Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abratenko%2C+P">P. Abratenko</a>, <a href="/search/hep-ex?searchtype=author&query=Acciarri%2C+R">R. Acciarri</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+C">C. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Aliaga-Soplin%2C+L">L. Aliaga-Soplin</a>, <a href="/search/hep-ex?searchtype=author&query=Alterkait%2C+O">O. Alterkait</a>, <a href="/search/hep-ex?searchtype=author&query=Alvarez-Garrote%2C+R">R. Alvarez-Garrote</a>, <a href="/search/hep-ex?searchtype=author&query=Andreopoulos%2C+C">C. Andreopoulos</a>, <a href="/search/hep-ex?searchtype=author&query=Antonakis%2C+A">A. Antonakis</a>, <a href="/search/hep-ex?searchtype=author&query=Arellano%2C+L">L. Arellano</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Badgett%2C+W">W. Badgett</a>, <a href="/search/hep-ex?searchtype=author&query=Balasubramanian%2C+S">S. Balasubramanian</a>, <a href="/search/hep-ex?searchtype=author&query=Basque%2C+V">V. Basque</a>, <a href="/search/hep-ex?searchtype=author&query=Beever%2C+A">A. Beever</a>, <a href="/search/hep-ex?searchtype=author&query=Behera%2C+B">B. Behera</a>, <a href="/search/hep-ex?searchtype=author&query=Belchior%2C+E">E. Belchior</a>, <a href="/search/hep-ex?searchtype=author&query=Betancourt%2C+M">M. Betancourt</a>, <a href="/search/hep-ex?searchtype=author&query=Bhat%2C+A">A. Bhat</a>, <a href="/search/hep-ex?searchtype=author&query=Bishai%2C+M">M. Bishai</a>, <a href="/search/hep-ex?searchtype=author&query=Blake%2C+A">A. Blake</a>, <a href="/search/hep-ex?searchtype=author&query=Bogart%2C+B">B. Bogart</a>, <a href="/search/hep-ex?searchtype=author&query=Bogenschuetz%2C+J">J. Bogenschuetz</a>, <a href="/search/hep-ex?searchtype=author&query=Brailsford%2C+D">D. Brailsford</a>, <a href="/search/hep-ex?searchtype=author&query=Brandt%2C+A">A. Brandt</a> , et al. (158 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2406.07514v1-abstract-short" style="display: inline;"> SBND is the near detector of the Short-Baseline Neutrino program at Fermilab. Its location near to the Booster Neutrino Beam source and relatively large mass will allow the study of neutrino interactions on argon with unprecedented statistics. This paper describes the expected performance of the SBND photon detection system, using a simulated sample of beam neutrinos and cosmogenic particles. Its… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2406.07514v1-abstract-full').style.display = 'inline'; document.getElementById('2406.07514v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2406.07514v1-abstract-full" style="display: none;"> SBND is the near detector of the Short-Baseline Neutrino program at Fermilab. Its location near to the Booster Neutrino Beam source and relatively large mass will allow the study of neutrino interactions on argon with unprecedented statistics. This paper describes the expected performance of the SBND photon detection system, using a simulated sample of beam neutrinos and cosmogenic particles. Its design is a dual readout concept combining a system of 120 photomultiplier tubes, used for triggering, with a system of 192 X-ARAPUCA devices, located behind the anode wire planes. Furthermore, covering the cathode plane with highly-reflective panels coated with a wavelength-shifting compound recovers part of the light emitted towards the cathode, where no optical detectors exist. We show how this new design provides a high light yield and a more uniform detection efficiency, an excellent timing resolution and an independent 3D-position reconstruction using only the scintillation light. Finally, the whole reconstruction chain is applied to recover the temporal structure of the beam spill, which is resolved with a resolution on the order of nanoseconds. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2406.07514v1-abstract-full').style.display = 'none'; document.getElementById('2406.07514v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 11 June, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">21 pages, 17 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-24-0303-PPD </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Eur. Phys. J. C 84, 1046 (2024) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2404.10948">arXiv:2404.10948</a> <span> [<a href="https://arxiv.org/pdf/2404.10948">pdf</a>, <a href="https://arxiv.org/format/2404.10948">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> </div> <p class="title is-5 mathjax"> First double-differential cross section measurement of neutral-current $蟺^0$ production in neutrino-argon scattering in the MicroBooNE detector </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=MicroBooNE+collaboration"> MicroBooNE collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abratenko%2C+P">P. Abratenko</a>, <a href="/search/hep-ex?searchtype=author&query=Alterkait%2C+O">O. Alterkait</a>, <a href="/search/hep-ex?searchtype=author&query=Aldana%2C+D+A">D. Andrade Aldana</a>, <a href="/search/hep-ex?searchtype=author&query=Arellano%2C+L">L. Arellano</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashkenazi%2C+A">A. Ashkenazi</a>, <a href="/search/hep-ex?searchtype=author&query=Balasubramanian%2C+S">S. Balasubramanian</a>, <a href="/search/hep-ex?searchtype=author&query=Baller%2C+B">B. Baller</a>, <a href="/search/hep-ex?searchtype=author&query=Barnard%2C+A">A. Barnard</a>, <a href="/search/hep-ex?searchtype=author&query=Barr%2C+G">G. Barr</a>, <a href="/search/hep-ex?searchtype=author&query=Barrow%2C+D">D. Barrow</a>, <a href="/search/hep-ex?searchtype=author&query=Barrow%2C+J">J. Barrow</a>, <a href="/search/hep-ex?searchtype=author&query=Basque%2C+V">V. Basque</a>, <a href="/search/hep-ex?searchtype=author&query=Bateman%2C+J">J. Bateman</a>, <a href="/search/hep-ex?searchtype=author&query=Rodrigues%2C+O+B">O. Benevides Rodrigues</a>, <a href="/search/hep-ex?searchtype=author&query=Berkman%2C+S">S. Berkman</a>, <a href="/search/hep-ex?searchtype=author&query=Bhanderi%2C+A">A. Bhanderi</a>, <a href="/search/hep-ex?searchtype=author&query=Bhat%2C+A">A. Bhat</a>, <a href="/search/hep-ex?searchtype=author&query=Bhattacharya%2C+M">M. Bhattacharya</a>, <a href="/search/hep-ex?searchtype=author&query=Bishai%2C+M">M. Bishai</a>, <a href="/search/hep-ex?searchtype=author&query=Blake%2C+A">A. Blake</a>, <a href="/search/hep-ex?searchtype=author&query=Bogart%2C+B">B. Bogart</a>, <a href="/search/hep-ex?searchtype=author&query=Bolton%2C+T">T. Bolton</a>, <a href="/search/hep-ex?searchtype=author&query=Book%2C+J+Y">J. Y. Book</a> , et al. (166 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2404.10948v2-abstract-short" style="display: inline;"> We report the first double-differential cross section measurement of neutral-current neutral pion (NC$蟺^0$) production in neutrino-argon scattering, as well as single-differential measurements of the same channel in terms of final states with and without protons. The kinematic variables of interest for these measurements are the $蟺^0$ momentum and the $蟺^0$ scattering angle with respect to the neu… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2404.10948v2-abstract-full').style.display = 'inline'; document.getElementById('2404.10948v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2404.10948v2-abstract-full" style="display: none;"> We report the first double-differential cross section measurement of neutral-current neutral pion (NC$蟺^0$) production in neutrino-argon scattering, as well as single-differential measurements of the same channel in terms of final states with and without protons. The kinematic variables of interest for these measurements are the $蟺^0$ momentum and the $蟺^0$ scattering angle with respect to the neutrino beam. A total of 4971 candidate NC$蟺^0$ events fully-contained within the MicroBooNE detector are selected using data collected at a mean neutrino energy of $\sim 0.8$~GeV from $6.4\times10^{20}$ protons on target from the Booster Neutrino Beam at the Fermi National Accelerator Laboratory. After extensive data-driven model validation to ensure unbiased unfolding, the Wiener-SVD method is used to extract nominal flux-averaged cross sections. The results are compared to predictions from commonly used neutrino event generators, which tend to overpredict the measured NC$蟺^0$ cross section, especially in the 0.2-0.5~GeV/c $蟺^0$ momentum range and at forward scattering angles. Events with at least one proton present in the final state are also underestimated. This data will help improve the modeling of NC$蟺^0$ production, which represents a major background in measurements of charge-parity violation in the neutrino sector and in searches for new physics beyond the Standard Model. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2404.10948v2-abstract-full').style.display = 'none'; document.getElementById('2404.10948v2-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, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 16 April, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-24-0125 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2404.09949">arXiv:2404.09949</a> <span> [<a href="https://arxiv.org/pdf/2404.09949">pdf</a>, <a href="https://arxiv.org/format/2404.09949">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> Measurement of the differential cross section for neutral pion production in charged-current muon neutrino interactions on argon with the MicroBooNE detector </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=MicroBooNE+collaboration"> MicroBooNE collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abratenko%2C+P">P. Abratenko</a>, <a href="/search/hep-ex?searchtype=author&query=Alterkait%2C+O">O. Alterkait</a>, <a href="/search/hep-ex?searchtype=author&query=Aldana%2C+D+A">D. Andrade Aldana</a>, <a href="/search/hep-ex?searchtype=author&query=Arellano%2C+L">L. Arellano</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashkenazi%2C+A">A. Ashkenazi</a>, <a href="/search/hep-ex?searchtype=author&query=Balasubramanian%2C+S">S. Balasubramanian</a>, <a href="/search/hep-ex?searchtype=author&query=Baller%2C+B">B. Baller</a>, <a href="/search/hep-ex?searchtype=author&query=Barr%2C+G">G. Barr</a>, <a href="/search/hep-ex?searchtype=author&query=Barrow%2C+D">D. Barrow</a>, <a href="/search/hep-ex?searchtype=author&query=Barrow%2C+J">J. Barrow</a>, <a href="/search/hep-ex?searchtype=author&query=Basque%2C+V">V. Basque</a>, <a href="/search/hep-ex?searchtype=author&query=Rodrigues%2C+O+B">O. Benevides Rodrigues</a>, <a href="/search/hep-ex?searchtype=author&query=Berkman%2C+S">S. Berkman</a>, <a href="/search/hep-ex?searchtype=author&query=Bhanderi%2C+A">A. Bhanderi</a>, <a href="/search/hep-ex?searchtype=author&query=Bhat%2C+A">A. Bhat</a>, <a href="/search/hep-ex?searchtype=author&query=Bhattacharya%2C+M">M. Bhattacharya</a>, <a href="/search/hep-ex?searchtype=author&query=Bishai%2C+M">M. Bishai</a>, <a href="/search/hep-ex?searchtype=author&query=Blake%2C+A">A. Blake</a>, <a href="/search/hep-ex?searchtype=author&query=Bogart%2C+B">B. Bogart</a>, <a href="/search/hep-ex?searchtype=author&query=Bolton%2C+T">T. Bolton</a>, <a href="/search/hep-ex?searchtype=author&query=Book%2C+J+Y">J. Y. Book</a>, <a href="/search/hep-ex?searchtype=author&query=Brunetti%2C+M+B">M. B. Brunetti</a>, <a href="/search/hep-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="2404.09949v3-abstract-short" style="display: inline;"> We present a measurement of neutral pion production in charged-current interactions using data recorded with the MicroBooNE detector exposed to Fermilab's booster neutrino beam. The signal comprises one muon, one neutral pion, any number of nucleons, and no charged pions. Studying neutral pion production in the MicroBooNE detector provides an opportunity to better understand neutrino-argon interac… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2404.09949v3-abstract-full').style.display = 'inline'; document.getElementById('2404.09949v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2404.09949v3-abstract-full" style="display: none;"> We present a measurement of neutral pion production in charged-current interactions using data recorded with the MicroBooNE detector exposed to Fermilab's booster neutrino beam. The signal comprises one muon, one neutral pion, any number of nucleons, and no charged pions. Studying neutral pion production in the MicroBooNE detector provides an opportunity to better understand neutrino-argon interactions, and is crucial for future accelerator-based neutrino oscillation experiments. Using a dataset corresponding to $6.86 \times 10^{20}$ protons on target, we present single-differential cross sections in muon and neutral pion momenta, scattering angles with respect to the beam for the outgoing muon and neutral pion, as well as the opening angle between the muon and neutral pion. Data extracted cross sections are compared to generator predictions. We report good agreement between the data and the models for scattering angles, except for an over-prediction by generators at muon forward angles. Similarly, the agreement between data and the models as a function of momentum is good, except for an underprediction by generators in the medium momentum ranges, $200-400$ MeV for muons and $100-200$ MeV for pions. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2404.09949v3-abstract-full').style.display = 'none'; document.getElementById('2404.09949v3-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 May, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 15 April, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-24-0142-CSAID-PPD </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2403.19574">arXiv:2403.19574</a> <span> [<a href="https://arxiv.org/pdf/2403.19574">pdf</a>, <a href="https://arxiv.org/format/2403.19574">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> </div> <p class="title is-5 mathjax"> Measurement of double-differential cross sections for mesonless charged-current muon neutrino interactions on argon with final-state protons using the MicroBooNE detector </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=MicroBooNE+collaboration"> MicroBooNE collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abratenko%2C+P">P. Abratenko</a>, <a href="/search/hep-ex?searchtype=author&query=Alterkait%2C+O">O. Alterkait</a>, <a href="/search/hep-ex?searchtype=author&query=Aldana%2C+D+A">D. Andrade Aldana</a>, <a href="/search/hep-ex?searchtype=author&query=Arellano%2C+L">L. Arellano</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashkenazi%2C+A">A. Ashkenazi</a>, <a href="/search/hep-ex?searchtype=author&query=Balasubramanian%2C+S">S. Balasubramanian</a>, <a href="/search/hep-ex?searchtype=author&query=Baller%2C+B">B. Baller</a>, <a href="/search/hep-ex?searchtype=author&query=Barr%2C+G">G. Barr</a>, <a href="/search/hep-ex?searchtype=author&query=Barrow%2C+D">D. Barrow</a>, <a href="/search/hep-ex?searchtype=author&query=Barrow%2C+J">J. Barrow</a>, <a href="/search/hep-ex?searchtype=author&query=Basque%2C+V">V. Basque</a>, <a href="/search/hep-ex?searchtype=author&query=Rodrigues%2C+O+B">O. Benevides Rodrigues</a>, <a href="/search/hep-ex?searchtype=author&query=Berkman%2C+S">S. Berkman</a>, <a href="/search/hep-ex?searchtype=author&query=Bhanderi%2C+A">A. Bhanderi</a>, <a href="/search/hep-ex?searchtype=author&query=Bhat%2C+A">A. Bhat</a>, <a href="/search/hep-ex?searchtype=author&query=Bhattacharya%2C+M">M. Bhattacharya</a>, <a href="/search/hep-ex?searchtype=author&query=Bishai%2C+M">M. Bishai</a>, <a href="/search/hep-ex?searchtype=author&query=Blake%2C+A">A. Blake</a>, <a href="/search/hep-ex?searchtype=author&query=Bogart%2C+B">B. Bogart</a>, <a href="/search/hep-ex?searchtype=author&query=Bolton%2C+T">T. Bolton</a>, <a href="/search/hep-ex?searchtype=author&query=Book%2C+J+Y">J. Y. Book</a>, <a href="/search/hep-ex?searchtype=author&query=Brunetti%2C+M+B">M. B. Brunetti</a>, <a href="/search/hep-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="2403.19574v2-abstract-short" style="display: inline;"> Charged-current neutrino interactions with final states containing zero mesons and at least one proton are of high interest for current and future accelerator-based neutrino oscillation experiments. Using the Booster Neutrino Beam and the MicroBooNE detector at Fermi National Accelerator Laboratory, we have obtained the first double-differential cross section measurements of this channel for muon… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2403.19574v2-abstract-full').style.display = 'inline'; document.getElementById('2403.19574v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2403.19574v2-abstract-full" style="display: none;"> Charged-current neutrino interactions with final states containing zero mesons and at least one proton are of high interest for current and future accelerator-based neutrino oscillation experiments. Using the Booster Neutrino Beam and the MicroBooNE detector at Fermi National Accelerator Laboratory, we have obtained the first double-differential cross section measurements of this channel for muon neutrino scattering on an argon target with a proton momentum threshold of 0.25 GeV/c. We also report a flux-averaged total cross section of $蟽= (11.8 \pm 1.2) \times 10^{-38}$ cm$^2$ / Ar and several single-differential measurements which extend and improve upon previous results. Statistical and systematic uncertainties are quantified with a full treatment of correlations across 359 kinematic bins, including correlations between distributions describing different observables. The resulting data set provides the most detailed information obtained to date for testing models of mesonless neutrino-argon scattering. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2403.19574v2-abstract-full').style.display = 'none'; document.getElementById('2403.19574v2-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 April, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 28 March, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">83 pages, 67 figures (including supplemental material). For v2, added oversized files in extended data release</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-24-0120-AD-CSAID-LBNF-PPD-TD </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2402.19281">arXiv:2402.19281</a> <span> [<a href="https://arxiv.org/pdf/2402.19281">pdf</a>, <a href="https://arxiv.org/format/2402.19281">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevLett.133.041801">10.1103/PhysRevLett.133.041801 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> First simultaneous measurement of differential muon-neutrino charged-current cross sections on argon for final states with and without protons using MicroBooNE data </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=MicroBooNE+collaboration"> MicroBooNE collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abratenko%2C+P">P. Abratenko</a>, <a href="/search/hep-ex?searchtype=author&query=Alterkait%2C+O">O. Alterkait</a>, <a href="/search/hep-ex?searchtype=author&query=Aldana%2C+D+A">D. Andrade Aldana</a>, <a href="/search/hep-ex?searchtype=author&query=Arellano%2C+L">L. Arellano</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashkenazi%2C+A">A. Ashkenazi</a>, <a href="/search/hep-ex?searchtype=author&query=Balasubramanian%2C+S">S. Balasubramanian</a>, <a href="/search/hep-ex?searchtype=author&query=Baller%2C+B">B. Baller</a>, <a href="/search/hep-ex?searchtype=author&query=Barr%2C+G">G. Barr</a>, <a href="/search/hep-ex?searchtype=author&query=Barrow%2C+D">D. Barrow</a>, <a href="/search/hep-ex?searchtype=author&query=Barrow%2C+J">J. Barrow</a>, <a href="/search/hep-ex?searchtype=author&query=Basque%2C+V">V. Basque</a>, <a href="/search/hep-ex?searchtype=author&query=Rodrigues%2C+O+B">O. Benevides Rodrigues</a>, <a href="/search/hep-ex?searchtype=author&query=Berkman%2C+S">S. Berkman</a>, <a href="/search/hep-ex?searchtype=author&query=Bhanderi%2C+A">A. Bhanderi</a>, <a href="/search/hep-ex?searchtype=author&query=Bhat%2C+A">A. Bhat</a>, <a href="/search/hep-ex?searchtype=author&query=Bhattacharya%2C+M">M. Bhattacharya</a>, <a href="/search/hep-ex?searchtype=author&query=Bishai%2C+M">M. Bishai</a>, <a href="/search/hep-ex?searchtype=author&query=Blake%2C+A">A. Blake</a>, <a href="/search/hep-ex?searchtype=author&query=Bogart%2C+B">B. Bogart</a>, <a href="/search/hep-ex?searchtype=author&query=Bolton%2C+T">T. Bolton</a>, <a href="/search/hep-ex?searchtype=author&query=Book%2C+J+Y">J. Y. Book</a>, <a href="/search/hep-ex?searchtype=author&query=Brunetti%2C+M+B">M. B. Brunetti</a>, <a href="/search/hep-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="2402.19281v2-abstract-short" style="display: inline;"> We report the first double-differential neutrino-argon cross section measurement made simultaneously for final states with and without protons for the inclusive muon neutrino charged-current interaction channel. The proton kinematics of this channel are further explored with a differential cross section measurement as a function of the leading proton's kinetic energy that extends across the detect… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2402.19281v2-abstract-full').style.display = 'inline'; document.getElementById('2402.19281v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2402.19281v2-abstract-full" style="display: none;"> We report the first double-differential neutrino-argon cross section measurement made simultaneously for final states with and without protons for the inclusive muon neutrino charged-current interaction channel. The proton kinematics of this channel are further explored with a differential cross section measurement as a function of the leading proton's kinetic energy that extends across the detection threshold. These measurements utilize data collected using the MicroBooNE detector from 6.4$\times10^{20}$ protons on target from the Fermilab Booster Neutrino Beam with a mean neutrino energy of $\sim$0.8 GeV. Extensive data-driven model validation utilizing the conditional constraint formalism is employed. This motivates enlarging the uncertainties with an empirical reweighting approach to minimize the possibility of extracting biased cross section results. The extracted nominal flux-averaged cross sections are compared to widely used event generator predictions revealing severe mismodeling of final states without protons for muon neutrino charged-current interactions, possibly from insufficient treatment of final state interactions. These measurements provide a wealth of new information useful for improving event generators which will enhance the sensitivity of precision measurements in neutrino experiments. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2402.19281v2-abstract-full').style.display = 'none'; document.getElementById('2402.19281v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 27 July, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 29 February, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-24-0045 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 133, 041801 (2024) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2402.19216">arXiv:2402.19216</a> <span> [<a href="https://arxiv.org/pdf/2402.19216">pdf</a>, <a href="https://arxiv.org/format/2402.19216">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.110.013006">10.1103/PhysRevD.110.013006 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Inclusive cross section measurements in final states with and without protons for charged-current $谓_渭$-Ar scattering in MicroBooNE </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=MicroBooNE+collaboration"> MicroBooNE collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abratenko%2C+P">P. Abratenko</a>, <a href="/search/hep-ex?searchtype=author&query=Alterkait%2C+O">O. Alterkait</a>, <a href="/search/hep-ex?searchtype=author&query=Aldana%2C+D+A">D. Andrade Aldana</a>, <a href="/search/hep-ex?searchtype=author&query=Arellano%2C+L">L. Arellano</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashkenazi%2C+A">A. Ashkenazi</a>, <a href="/search/hep-ex?searchtype=author&query=Balasubramanian%2C+S">S. Balasubramanian</a>, <a href="/search/hep-ex?searchtype=author&query=Baller%2C+B">B. Baller</a>, <a href="/search/hep-ex?searchtype=author&query=Barr%2C+G">G. Barr</a>, <a href="/search/hep-ex?searchtype=author&query=Barrow%2C+D">D. Barrow</a>, <a href="/search/hep-ex?searchtype=author&query=Barrow%2C+J">J. Barrow</a>, <a href="/search/hep-ex?searchtype=author&query=Basque%2C+V">V. Basque</a>, <a href="/search/hep-ex?searchtype=author&query=Rodrigues%2C+O+B">O. Benevides Rodrigues</a>, <a href="/search/hep-ex?searchtype=author&query=Berkman%2C+S">S. Berkman</a>, <a href="/search/hep-ex?searchtype=author&query=Bhanderi%2C+A">A. Bhanderi</a>, <a href="/search/hep-ex?searchtype=author&query=Bhat%2C+A">A. Bhat</a>, <a href="/search/hep-ex?searchtype=author&query=Bhattacharya%2C+M">M. Bhattacharya</a>, <a href="/search/hep-ex?searchtype=author&query=Bishai%2C+M">M. Bishai</a>, <a href="/search/hep-ex?searchtype=author&query=Blake%2C+A">A. Blake</a>, <a href="/search/hep-ex?searchtype=author&query=Bogart%2C+B">B. Bogart</a>, <a href="/search/hep-ex?searchtype=author&query=Bolton%2C+T">T. Bolton</a>, <a href="/search/hep-ex?searchtype=author&query=Book%2C+J+Y">J. Y. Book</a>, <a href="/search/hep-ex?searchtype=author&query=Brunetti%2C+M+B">M. B. Brunetti</a>, <a href="/search/hep-ex?searchtype=author&query=Camilleri%2C+L">L. Camilleri</a> , et al. (164 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2402.19216v2-abstract-short" style="display: inline;"> A detailed understanding of inclusive muon neutrino charged-current interactions on argon is crucial to the study of neutrino oscillations in current and future experiments using liquid argon time projection chambers. To that end, we report a comprehensive set of differential cross section measurements for this channel that simultaneously probe the leptonic and hadronic systems by dividing the cha… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2402.19216v2-abstract-full').style.display = 'inline'; document.getElementById('2402.19216v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2402.19216v2-abstract-full" style="display: none;"> A detailed understanding of inclusive muon neutrino charged-current interactions on argon is crucial to the study of neutrino oscillations in current and future experiments using liquid argon time projection chambers. To that end, we report a comprehensive set of differential cross section measurements for this channel that simultaneously probe the leptonic and hadronic systems by dividing the channel into final states with and without protons. Measurements of the proton kinematics and proton multiplicity of the final state are also presented. For these measurements, we utilize data collected with the MicroBooNE detector from 6.4$\times10^{20}$ protons on target from the Fermilab Booster Neutrino Beam at a mean neutrino energy of approximately 0.8 GeV. We present in detail the cross section extraction procedure, including the unfolding, and model validation that uses data to model comparisons and the conditional constraint formalism to detect mismodeling that may introduce biases to extracted cross sections that are larger than their uncertainties. The validation exposes insufficiencies in the overall model, motivating the inclusion of an additional data-driven reweighting systematic to ensure the accuracy of the unfolding. The extracted results are compared to a number of event generators and their performance is discussed with a focus on the regions of phase-space that indicate the greatest need for modeling improvements. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2402.19216v2-abstract-full').style.display = 'none'; document.getElementById('2402.19216v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 27 July, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 29 February, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-24-0044 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 110, 013006 (2024) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2312.13945">arXiv:2312.13945</a> <span> [<a href="https://arxiv.org/pdf/2312.13945">pdf</a>, <a href="https://arxiv.org/format/2312.13945">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> </div> <p class="title is-5 mathjax"> First search for dark-trident processes using the MicroBooNE detector </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=MicroBooNE+collaboration"> MicroBooNE collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abratenko%2C+P">P. Abratenko</a>, <a href="/search/hep-ex?searchtype=author&query=Alterkait%2C+O">O. Alterkait</a>, <a href="/search/hep-ex?searchtype=author&query=Aldana%2C+D+A">D. Andrade Aldana</a>, <a href="/search/hep-ex?searchtype=author&query=Arellano%2C+L">L. Arellano</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashkenazi%2C+A">A. Ashkenazi</a>, <a href="/search/hep-ex?searchtype=author&query=Balasubramanian%2C+S">S. Balasubramanian</a>, <a href="/search/hep-ex?searchtype=author&query=Baller%2C+B">B. Baller</a>, <a href="/search/hep-ex?searchtype=author&query=Barr%2C+G">G. Barr</a>, <a href="/search/hep-ex?searchtype=author&query=Barrow%2C+D">D. Barrow</a>, <a href="/search/hep-ex?searchtype=author&query=Barrow%2C+J">J. Barrow</a>, <a href="/search/hep-ex?searchtype=author&query=Basque%2C+V">V. Basque</a>, <a href="/search/hep-ex?searchtype=author&query=Rodrigues%2C+O+B">O. Benevides Rodrigues</a>, <a href="/search/hep-ex?searchtype=author&query=Berkman%2C+S">S. Berkman</a>, <a href="/search/hep-ex?searchtype=author&query=Bhanderi%2C+A">A. Bhanderi</a>, <a href="/search/hep-ex?searchtype=author&query=Bhat%2C+A">A. Bhat</a>, <a href="/search/hep-ex?searchtype=author&query=Bhattacharya%2C+M">M. Bhattacharya</a>, <a href="/search/hep-ex?searchtype=author&query=Bishai%2C+M">M. Bishai</a>, <a href="/search/hep-ex?searchtype=author&query=Blake%2C+A">A. Blake</a>, <a href="/search/hep-ex?searchtype=author&query=Bogart%2C+B">B. Bogart</a>, <a href="/search/hep-ex?searchtype=author&query=Bolton%2C+T">T. Bolton</a>, <a href="/search/hep-ex?searchtype=author&query=Book%2C+J+Y">J. Y. Book</a>, <a href="/search/hep-ex?searchtype=author&query=Brunetti%2C+M+B">M. B. Brunetti</a>, <a href="/search/hep-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="2312.13945v2-abstract-short" style="display: inline;"> We present a first search for dark-trident scattering in a neutrino beam using a data set corresponding to $7.2 \times 10^{20}$ protons on target taken with the MicroBooNE detector at Fermilab. Proton interactions in the neutrino target at the Main Injector produce $蟺^0$ and $畏$ mesons, which could decay into dark-matter (DM) particles mediated via a dark photon $A^\prime$. A convolutional neural… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2312.13945v2-abstract-full').style.display = 'inline'; document.getElementById('2312.13945v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2312.13945v2-abstract-full" style="display: none;"> We present a first search for dark-trident scattering in a neutrino beam using a data set corresponding to $7.2 \times 10^{20}$ protons on target taken with the MicroBooNE detector at Fermilab. Proton interactions in the neutrino target at the Main Injector produce $蟺^0$ and $畏$ mesons, which could decay into dark-matter (DM) particles mediated via a dark photon $A^\prime$. A convolutional neural network is trained to identify interactions of the DM particles in the liquid-argon time projection chamber (LArTPC) exploiting its image-like reconstruction capability. In the absence of a DM signal, we provide limits at the $90\%$ confidence level on the squared kinematic mixing parameter $\varepsilon^2$ as a function of the dark-photon mass in the range $10\le M_{A^\prime}\le 400$ MeV. The limits cover previously unconstrained parameter space for the production of fermion or scalar DM particles $蠂$ for two benchmark models with mass ratios $M_蠂/M_{A^\prime}=0.6$ and $2$ and for dark fine-structure constants $0.1\le伪_D\le 1$. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2312.13945v2-abstract-full').style.display = 'none'; document.getElementById('2312.13945v2-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 21 December, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2023. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2310.07660">arXiv:2310.07660</a> <span> [<a href="https://arxiv.org/pdf/2310.07660">pdf</a>, <a href="https://arxiv.org/format/2310.07660">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> Search for heavy neutral leptons in electron-positron and neutral-pion final states with the MicroBooNE detector </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=MicroBooNE+collaboration"> MicroBooNE collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abratenko%2C+P">P. Abratenko</a>, <a href="/search/hep-ex?searchtype=author&query=Alterkait%2C+O">O. Alterkait</a>, <a href="/search/hep-ex?searchtype=author&query=Aldana%2C+D+A">D. Andrade Aldana</a>, <a href="/search/hep-ex?searchtype=author&query=Arellano%2C+L">L. Arellano</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashkenazi%2C+A">A. Ashkenazi</a>, <a href="/search/hep-ex?searchtype=author&query=Balasubramanian%2C+S">S. Balasubramanian</a>, <a href="/search/hep-ex?searchtype=author&query=Baller%2C+B">B. Baller</a>, <a href="/search/hep-ex?searchtype=author&query=Barr%2C+G">G. Barr</a>, <a href="/search/hep-ex?searchtype=author&query=Barrow%2C+D">D. Barrow</a>, <a href="/search/hep-ex?searchtype=author&query=Barrow%2C+J">J. Barrow</a>, <a href="/search/hep-ex?searchtype=author&query=Basque%2C+V">V. Basque</a>, <a href="/search/hep-ex?searchtype=author&query=Rodrigues%2C+O+B">O. Benevides Rodrigues</a>, <a href="/search/hep-ex?searchtype=author&query=Berkman%2C+S">S. Berkman</a>, <a href="/search/hep-ex?searchtype=author&query=Bhanderi%2C+A">A. Bhanderi</a>, <a href="/search/hep-ex?searchtype=author&query=Bhat%2C+A">A. Bhat</a>, <a href="/search/hep-ex?searchtype=author&query=Bhattacharya%2C+M">M. Bhattacharya</a>, <a href="/search/hep-ex?searchtype=author&query=Bishai%2C+M">M. Bishai</a>, <a href="/search/hep-ex?searchtype=author&query=Blake%2C+A">A. Blake</a>, <a href="/search/hep-ex?searchtype=author&query=Bogart%2C+B">B. Bogart</a>, <a href="/search/hep-ex?searchtype=author&query=Bolton%2C+T">T. Bolton</a>, <a href="/search/hep-ex?searchtype=author&query=Book%2C+J+Y">J. Y. Book</a>, <a href="/search/hep-ex?searchtype=author&query=Brunetti%2C+M+B">M. B. Brunetti</a>, <a href="/search/hep-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="2310.07660v2-abstract-short" style="display: inline;"> We present the first search for heavy neutral leptons (HNL) decaying into $谓e^+e^-$ or $谓蟺^0$ final states in a liquid-argon time projection chamber using data collected with the MicroBooNE detector. The data were recorded synchronously with the NuMI neutrino beam from Fermilab's Main Injector corresponding to a total exposure of $7.01 \times 10^{20}$ protons on target. We set upper limits at the… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2310.07660v2-abstract-full').style.display = 'inline'; document.getElementById('2310.07660v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2310.07660v2-abstract-full" style="display: none;"> We present the first search for heavy neutral leptons (HNL) decaying into $谓e^+e^-$ or $谓蟺^0$ final states in a liquid-argon time projection chamber using data collected with the MicroBooNE detector. The data were recorded synchronously with the NuMI neutrino beam from Fermilab's Main Injector corresponding to a total exposure of $7.01 \times 10^{20}$ protons on target. We set upper limits at the $90\%$ confidence level on the mixing parameter $\lvert U_{渭4}\rvert^2$ in the mass ranges $10\le m_{\rm HNL}\le 150$ MeV for the $谓e^+e^-$ channel and $150\le m_{\rm HNL}\le 245$ MeV for the $谓蟺^0$ channel, assuming $\lvert U_{e 4}\rvert^2 = \lvert U_{蟿4}\rvert^2 = 0$. These limits represent the most stringent constraints in the mass range $35<m_{\rm HNL}<175$ MeV and the first constraints from a direct search for $谓蟺^0$ decays. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2310.07660v2-abstract-full').style.display = 'none'; document.getElementById('2310.07660v2-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 January, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 11 October, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Version as accepted by Physical Review Letters, some presentational changes and updated references, no changes to results</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-23-574-ND </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/hep-ex?searchtype=author&query=MicroBooNE+collaboration"> MicroBooNE collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abratenko%2C+P">P. Abratenko</a>, <a href="/search/hep-ex?searchtype=author&query=Alterkait%2C+O">O. Alterkait</a>, <a href="/search/hep-ex?searchtype=author&query=Aldana%2C+D+A">D. Andrade Aldana</a>, <a href="/search/hep-ex?searchtype=author&query=Arellano%2C+L">L. Arellano</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashkenazi%2C+A">A. Ashkenazi</a>, <a href="/search/hep-ex?searchtype=author&query=Balasubramanian%2C+S">S. Balasubramanian</a>, <a href="/search/hep-ex?searchtype=author&query=Baller%2C+B">B. Baller</a>, <a href="/search/hep-ex?searchtype=author&query=Barr%2C+G">G. Barr</a>, <a href="/search/hep-ex?searchtype=author&query=Barrow%2C+D">D. Barrow</a>, <a href="/search/hep-ex?searchtype=author&query=Barrow%2C+J">J. Barrow</a>, <a href="/search/hep-ex?searchtype=author&query=Basque%2C+V">V. Basque</a>, <a href="/search/hep-ex?searchtype=author&query=Rodrigues%2C+O+B">O. Benevides Rodrigues</a>, <a href="/search/hep-ex?searchtype=author&query=Berkman%2C+S">S. Berkman</a>, <a href="/search/hep-ex?searchtype=author&query=Bhanderi%2C+A">A. Bhanderi</a>, <a href="/search/hep-ex?searchtype=author&query=Bhat%2C+A">A. Bhat</a>, <a href="/search/hep-ex?searchtype=author&query=Bhattacharya%2C+M">M. Bhattacharya</a>, <a href="/search/hep-ex?searchtype=author&query=Bishai%2C+M">M. Bishai</a>, <a href="/search/hep-ex?searchtype=author&query=Blake%2C+A">A. Blake</a>, <a href="/search/hep-ex?searchtype=author&query=Bogart%2C+B">B. Bogart</a>, <a href="/search/hep-ex?searchtype=author&query=Bolton%2C+T">T. Bolton</a>, <a href="/search/hep-ex?searchtype=author&query=Book%2C+J+Y">J. Y. Book</a>, <a href="/search/hep-ex?searchtype=author&query=Brunetti%2C+M+B">M. B. Brunetti</a>, <a href="/search/hep-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/2308.03924">arXiv:2308.03924</a> <span> [<a href="https://arxiv.org/pdf/2308.03924">pdf</a>, <a href="https://arxiv.org/format/2308.03924">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> </div> <p class="title is-5 mathjax"> First application of a liquid argon time projection chamber for the search for intranuclear neutron-antineutron transitions and annihilation in $^{40}$Ar using the MicroBooNE detector </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=MicroBooNE+collaboration"> MicroBooNE collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abratenko%2C+P">P. Abratenko</a>, <a href="/search/hep-ex?searchtype=author&query=Alterkait%2C+O">O. Alterkait</a>, <a href="/search/hep-ex?searchtype=author&query=Aldana%2C+D+A">D. Andrade Aldana</a>, <a href="/search/hep-ex?searchtype=author&query=Arellano%2C+L">L. Arellano</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashkenazi%2C+A">A. Ashkenazi</a>, <a href="/search/hep-ex?searchtype=author&query=Balasubramanian%2C+S">S. Balasubramanian</a>, <a href="/search/hep-ex?searchtype=author&query=Baller%2C+B">B. Baller</a>, <a href="/search/hep-ex?searchtype=author&query=Barr%2C+G">G. Barr</a>, <a href="/search/hep-ex?searchtype=author&query=Barrow%2C+D">D. Barrow</a>, <a href="/search/hep-ex?searchtype=author&query=Barrow%2C+J">J. Barrow</a>, <a href="/search/hep-ex?searchtype=author&query=Basque%2C+V">V. Basque</a>, <a href="/search/hep-ex?searchtype=author&query=Rodrigues%2C+O+B">O. Benevides Rodrigues</a>, <a href="/search/hep-ex?searchtype=author&query=Berkman%2C+S">S. Berkman</a>, <a href="/search/hep-ex?searchtype=author&query=Bhanderi%2C+A">A. Bhanderi</a>, <a href="/search/hep-ex?searchtype=author&query=Bhat%2C+A">A. Bhat</a>, <a href="/search/hep-ex?searchtype=author&query=Bhattacharya%2C+M">M. Bhattacharya</a>, <a href="/search/hep-ex?searchtype=author&query=Bishai%2C+M">M. Bishai</a>, <a href="/search/hep-ex?searchtype=author&query=Blake%2C+A">A. Blake</a>, <a href="/search/hep-ex?searchtype=author&query=Bogart%2C+B">B. Bogart</a>, <a href="/search/hep-ex?searchtype=author&query=Bolton%2C+T">T. Bolton</a>, <a href="/search/hep-ex?searchtype=author&query=Book%2C+J+Y">J. Y. Book</a>, <a href="/search/hep-ex?searchtype=author&query=Camilleri%2C+L">L. Camilleri</a>, <a href="/search/hep-ex?searchtype=author&query=Cao%2C+Y">Y. Cao</a> , et al. (164 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="2308.03924v6-abstract-short" style="display: inline;"> We present a novel methodology to search for intranuclear neutron-antineutron transition ($n\rightarrow\bar{n}$) followed by $\bar{n}$-nucleon annihilation within an $^{40}$Ar nucleus, using the MicroBooNE liquid argon time projection chamber (LArTPC) detector. A discovery of $n\rightarrow\bar{n}$ transition or a new best limit on the lifetime of this process would either constitute physics beyond… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2308.03924v6-abstract-full').style.display = 'inline'; document.getElementById('2308.03924v6-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2308.03924v6-abstract-full" style="display: none;"> We present a novel methodology to search for intranuclear neutron-antineutron transition ($n\rightarrow\bar{n}$) followed by $\bar{n}$-nucleon annihilation within an $^{40}$Ar nucleus, using the MicroBooNE liquid argon time projection chamber (LArTPC) detector. A discovery of $n\rightarrow\bar{n}$ transition or a new best limit on the lifetime of this process would either constitute physics beyond the Standard Model or greatly constrain theories of baryogenesis, respectively. The approach presented in this paper makes use of deep learning methods to select $n\rightarrow\bar{n}$ events based on their unique features and differentiate them from cosmogenic backgrounds. The achieved signal and background efficiencies are (70.22$\pm$6.04)\% and (0.0020$\pm$0.0003)\%, respectively. A demonstration of a search is performed with a data set corresponding to an exposure of $3.32 \times10^{26}\,$neutron-years, and where the background rate is constrained through direct measurement, assuming the presence of a negligible signal. With this approach, no excess of events over the background prediction is observed, setting a demonstrative lower bound on the $n\rightarrow\bar{n}$ lifetime in $^{40}$Ar of $蟿_{\textrm{m}} \gtrsim 1.1\times10^{26}\,$years, and on the free $n\rightarrow\bar{n}$ transition time of $蟿_{\textrm{\nnbar}} \gtrsim 2.6\times10^{5}\,$s, each at the $90\%$ confidence level. This analysis represents a first-ever proof-of-principle demonstration of the ability to search for this rare process in LArTPCs with high efficiency and low background. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2308.03924v6-abstract-full').style.display = 'none'; document.getElementById('2308.03924v6-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 27 June, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 7 August, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 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">22 pages, 7 figures, 6 tables</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-23-410-ND </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2307.06413">arXiv:2307.06413</a> <span> [<a href="https://arxiv.org/pdf/2307.06413">pdf</a>, <a href="https://arxiv.org/format/2307.06413">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> Measurement of three-dimensional inclusive muon-neutrino charged-current cross sections on argon with the MicroBooNE detector </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=MicroBooNE+Collaboration"> MicroBooNE Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abratenko%2C+P">P. Abratenko</a>, <a href="/search/hep-ex?searchtype=author&query=Alterkait%2C+O">O. Alterkait</a>, <a href="/search/hep-ex?searchtype=author&query=Aldana%2C+D+A">D. Andrade Aldana</a>, <a href="/search/hep-ex?searchtype=author&query=Arellano%2C+L">L. Arellano</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashkenazi%2C+A">A. Ashkenazi</a>, <a href="/search/hep-ex?searchtype=author&query=Balasubramanian%2C+S">S. Balasubramanian</a>, <a href="/search/hep-ex?searchtype=author&query=Baller%2C+B">B. Baller</a>, <a href="/search/hep-ex?searchtype=author&query=Barr%2C+G">G. Barr</a>, <a href="/search/hep-ex?searchtype=author&query=Barrow%2C+D">D. Barrow</a>, <a href="/search/hep-ex?searchtype=author&query=Barrow%2C+J">J. Barrow</a>, <a href="/search/hep-ex?searchtype=author&query=Basque%2C+V">V. Basque</a>, <a href="/search/hep-ex?searchtype=author&query=Rodrigues%2C+O+B">O. Benevides Rodrigues</a>, <a href="/search/hep-ex?searchtype=author&query=Berkman%2C+S">S. Berkman</a>, <a href="/search/hep-ex?searchtype=author&query=Bhanderi%2C+A">A. Bhanderi</a>, <a href="/search/hep-ex?searchtype=author&query=Bhat%2C+A">A. Bhat</a>, <a href="/search/hep-ex?searchtype=author&query=Bhattacharya%2C+M">M. Bhattacharya</a>, <a href="/search/hep-ex?searchtype=author&query=Bishai%2C+M">M. Bishai</a>, <a href="/search/hep-ex?searchtype=author&query=Blake%2C+A">A. Blake</a>, <a href="/search/hep-ex?searchtype=author&query=Bogart%2C+B">B. Bogart</a>, <a href="/search/hep-ex?searchtype=author&query=Bolton%2C+T">T. Bolton</a>, <a href="/search/hep-ex?searchtype=author&query=Book%2C+J+Y">J. Y. Book</a>, <a href="/search/hep-ex?searchtype=author&query=Camilleri%2C+L">L. Camilleri</a>, <a href="/search/hep-ex?searchtype=author&query=Cao%2C+Y">Y. Cao</a> , et al. (165 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2307.06413v4-abstract-short" style="display: inline;"> We report the measurement of the differential cross section $d^{2}蟽(E_谓)/ d\cos(胃_渭) dP_渭$ for inclusive muon-neutrino charged-current scattering on argon. This measurement utilizes data from 6.4$\times10^{20}$ protons on target of exposure collected using the MicroBooNE liquid argon time projection chamber located along the Fermilab Booster Neutrino Beam with a mean neutrino energy of approximate… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2307.06413v4-abstract-full').style.display = 'inline'; document.getElementById('2307.06413v4-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2307.06413v4-abstract-full" style="display: none;"> We report the measurement of the differential cross section $d^{2}蟽(E_谓)/ d\cos(胃_渭) dP_渭$ for inclusive muon-neutrino charged-current scattering on argon. This measurement utilizes data from 6.4$\times10^{20}$ protons on target of exposure collected using the MicroBooNE liquid argon time projection chamber located along the Fermilab Booster Neutrino Beam with a mean neutrino energy of approximately 0.8~GeV. The mapping from reconstructed kinematics to truth quantities, particularly from reconstructed to true neutrino energy, is validated within uncertainties by comparing the distribution of reconstructed hadronic energy in data to that of the model prediction in different muon scattering angle bins after applying a conditional constraint from the muon momentum distribution in data. The success of this validation gives confidence that the missing energy in the MicroBooNE detector is well-modeled within uncertainties in simulation, enabling the unfolding to a three-dimensional measurement over muon momentum, muon scattering angle, and neutrino energy. The unfolded measurement covers an extensive phase space, providing a wealth of information useful for future liquid argon time projection chamber experiments measuring neutrino oscillations. Comparisons against a number of commonly used model predictions are included and their performance in different parts of the available phase-space is discussed. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2307.06413v4-abstract-full').style.display = 'none'; document.getElementById('2307.06413v4-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 30 August, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 12 July, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-23-368-ND </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2307.03102">arXiv:2307.03102</a> <span> [<a href="https://arxiv.org/pdf/2307.03102">pdf</a>, <a href="https://arxiv.org/format/2307.03102">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.109.052007">10.1103/PhysRevD.109.052007 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of ambient radon progeny decay rates and energy spectra in liquid argon using the MicroBooNE detector </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=MicroBooNE+collaboration"> MicroBooNE collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abratenko%2C+P">P. Abratenko</a>, <a href="/search/hep-ex?searchtype=author&query=Alterkait%2C+O">O. Alterkait</a>, <a href="/search/hep-ex?searchtype=author&query=Aldana%2C+D+A">D. Andrade Aldana</a>, <a href="/search/hep-ex?searchtype=author&query=Arellano%2C+L">L. Arellano</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashkenazi%2C+A">A. Ashkenazi</a>, <a href="/search/hep-ex?searchtype=author&query=Balasubramanian%2C+S">S. Balasubramanian</a>, <a href="/search/hep-ex?searchtype=author&query=Baller%2C+B">B. Baller</a>, <a href="/search/hep-ex?searchtype=author&query=Barr%2C+G">G. Barr</a>, <a href="/search/hep-ex?searchtype=author&query=Barrow%2C+D">D. Barrow</a>, <a href="/search/hep-ex?searchtype=author&query=Barrow%2C+J">J. Barrow</a>, <a href="/search/hep-ex?searchtype=author&query=Basque%2C+V">V. Basque</a>, <a href="/search/hep-ex?searchtype=author&query=Rodrigues%2C+O+B">O. Benevides Rodrigues</a>, <a href="/search/hep-ex?searchtype=author&query=Berkman%2C+S">S. Berkman</a>, <a href="/search/hep-ex?searchtype=author&query=Bhanderi%2C+A">A. Bhanderi</a>, <a href="/search/hep-ex?searchtype=author&query=Bhat%2C+A">A. Bhat</a>, <a href="/search/hep-ex?searchtype=author&query=Bhattacharya%2C+M">M. Bhattacharya</a>, <a href="/search/hep-ex?searchtype=author&query=Bishai%2C+M">M. Bishai</a>, <a href="/search/hep-ex?searchtype=author&query=Blake%2C+A">A. Blake</a>, <a href="/search/hep-ex?searchtype=author&query=Bogart%2C+B">B. Bogart</a>, <a href="/search/hep-ex?searchtype=author&query=Bolton%2C+T">T. Bolton</a>, <a href="/search/hep-ex?searchtype=author&query=Book%2C+J+Y">J. Y. Book</a>, <a href="/search/hep-ex?searchtype=author&query=Camilleri%2C+L">L. Camilleri</a>, <a href="/search/hep-ex?searchtype=author&query=Cao%2C+Y">Y. Cao</a> , et al. (166 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2307.03102v3-abstract-short" style="display: inline;"> We report measurements of radon progeny in liquid argon within the MicroBooNE time projection chamber (LArTPC). The presence of specific radon daughters in MicroBooNE's 85 metric tons of active liquid argon bulk is probed with newly developed charge-based low-energy reconstruction tools and analysis techniques to detect correlated $^{214}$Bi-$^{214}$Po radioactive decays. Special datasets taken du… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2307.03102v3-abstract-full').style.display = 'inline'; document.getElementById('2307.03102v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2307.03102v3-abstract-full" style="display: none;"> We report measurements of radon progeny in liquid argon within the MicroBooNE time projection chamber (LArTPC). The presence of specific radon daughters in MicroBooNE's 85 metric tons of active liquid argon bulk is probed with newly developed charge-based low-energy reconstruction tools and analysis techniques to detect correlated $^{214}$Bi-$^{214}$Po radioactive decays. Special datasets taken during periods of active radon doping enable new demonstrations of the calorimetric capabilities of single-phase neutrino LArTPCs for $尾$ and $伪$ particles with electron-equivalent energies ranging from 0.1 to 3.0 MeV. By applying $^{214}$Bi-$^{214}$Po detection algorithms to data recorded over a 46-day period, no statistically significant presence of radioactive $^{214}$Bi is detected, and a limit on the activity is placed at $<0.35$ mBq/kg at the 95% confidence level. This bulk $^{214}$Bi radiopurity limit -- the first ever reported for a liquid argon detector incorporating liquid-phase purification -- is then further discussed in relation to the targeted upper limit of 1 mBq/kg on bulk $^{222}$Rn activity for the DUNE neutrino detector. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2307.03102v3-abstract-full').style.display = 'none'; document.getElementById('2307.03102v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 22 March, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 6 July, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-23-352-ND </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 109, 052007 (2024) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2305.16249">arXiv:2305.16249</a> <span> [<a href="https://arxiv.org/pdf/2305.16249">pdf</a>, <a href="https://arxiv.org/format/2305.16249">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevLett.132.151801">10.1103/PhysRevLett.132.151801 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> First measurement of $畏$ production in neutrino interactions on argon with MicroBooNE </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=MicroBooNE+collaboration"> MicroBooNE collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abratenko%2C+P">P. Abratenko</a>, <a href="/search/hep-ex?searchtype=author&query=Alterkait%2C+O">O. Alterkait</a>, <a href="/search/hep-ex?searchtype=author&query=Aldana%2C+D+A">D. Andrade Aldana</a>, <a href="/search/hep-ex?searchtype=author&query=Anthony%2C+J">J. Anthony</a>, <a href="/search/hep-ex?searchtype=author&query=Arellano%2C+L">L. Arellano</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashkenazi%2C+A">A. Ashkenazi</a>, <a href="/search/hep-ex?searchtype=author&query=Balasubramanian%2C+S">S. Balasubramanian</a>, <a href="/search/hep-ex?searchtype=author&query=Baller%2C+B">B. Baller</a>, <a href="/search/hep-ex?searchtype=author&query=Barr%2C+G">G. Barr</a>, <a href="/search/hep-ex?searchtype=author&query=Barrow%2C+J">J. Barrow</a>, <a href="/search/hep-ex?searchtype=author&query=Basque%2C+V">V. Basque</a>, <a href="/search/hep-ex?searchtype=author&query=Rodrigues%2C+O+B">O. Benevides Rodrigues</a>, <a href="/search/hep-ex?searchtype=author&query=Berkman%2C+S">S. Berkman</a>, <a href="/search/hep-ex?searchtype=author&query=Bhanderi%2C+A">A. Bhanderi</a>, <a href="/search/hep-ex?searchtype=author&query=Bhat%2C+A">A. Bhat</a>, <a href="/search/hep-ex?searchtype=author&query=Bhattacharya%2C+M">M. Bhattacharya</a>, <a href="/search/hep-ex?searchtype=author&query=Bishai%2C+M">M. Bishai</a>, <a href="/search/hep-ex?searchtype=author&query=Blake%2C+A">A. Blake</a>, <a href="/search/hep-ex?searchtype=author&query=Bogart%2C+B">B. Bogart</a>, <a href="/search/hep-ex?searchtype=author&query=Bolton%2C+T">T. Bolton</a>, <a href="/search/hep-ex?searchtype=author&query=Book%2C+J+Y">J. Y. Book</a>, <a href="/search/hep-ex?searchtype=author&query=Camilleri%2C+L">L. Camilleri</a>, <a href="/search/hep-ex?searchtype=author&query=Cao%2C+Y">Y. Cao</a> , et al. (164 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="2305.16249v3-abstract-short" style="display: inline;"> We present a measurement of $畏$ production from neutrino interactions on argon with the MicroBooNE detector. The modeling of resonant neutrino interactions on argon is a critical aspect of the neutrino oscillation physics program being carried out by the DUNE and Short Baseline Neutrino programs. $畏$ production in neutrino interactions provides a powerful new probe of resonant interactions, comple… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2305.16249v3-abstract-full').style.display = 'inline'; document.getElementById('2305.16249v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2305.16249v3-abstract-full" style="display: none;"> We present a measurement of $畏$ production from neutrino interactions on argon with the MicroBooNE detector. The modeling of resonant neutrino interactions on argon is a critical aspect of the neutrino oscillation physics program being carried out by the DUNE and Short Baseline Neutrino programs. $畏$ production in neutrino interactions provides a powerful new probe of resonant interactions, complementary to pion channels, and is particularly suited to the study of higher-order resonances beyond the $螖(1232)$. We measure a flux-integrated cross section for neutrino-induced $畏$ production on argon of $3.22 \pm 0.84 \; \textrm{(stat.)} \pm 0.86 \; \textrm{(syst.)}$ $10^{-41}{\textrm{cm}}^{2}$/nucleon. By demonstrating the successful reconstruction of the two photons resulting from $畏$ production, this analysis enables a novel calibration technique for electromagnetic showers in GeV accelerator neutrino experiments. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2305.16249v3-abstract-full').style.display = 'none'; document.getElementById('2305.16249v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 4 May, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 25 May, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-23-249-ND </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 132, 151801 Published 10 April 2024 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2304.02076">arXiv:2304.02076</a> <span> [<a href="https://arxiv.org/pdf/2304.02076">pdf</a>, <a href="https://arxiv.org/format/2304.02076">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> First demonstration of $\mathcal{O}(1\,\text{ns})$ timing resolution in the MicroBooNE liquid argon time projection chamber </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=MicroBooNE+collaboration"> MicroBooNE collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abratenko%2C+P">P. Abratenko</a>, <a href="/search/hep-ex?searchtype=author&query=Alterkait%2C+O">O. Alterkait</a>, <a href="/search/hep-ex?searchtype=author&query=Aldana%2C+D+A">D. Andrade Aldana</a>, <a href="/search/hep-ex?searchtype=author&query=Anthony%2C+J">J. Anthony</a>, <a href="/search/hep-ex?searchtype=author&query=Arellano%2C+L">L. Arellano</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashkenazi%2C+A">A. Ashkenazi</a>, <a href="/search/hep-ex?searchtype=author&query=Balasubramanian%2C+S">S. Balasubramanian</a>, <a href="/search/hep-ex?searchtype=author&query=Baller%2C+B">B. Baller</a>, <a href="/search/hep-ex?searchtype=author&query=Barr%2C+G">G. Barr</a>, <a href="/search/hep-ex?searchtype=author&query=Barrow%2C+J">J. Barrow</a>, <a href="/search/hep-ex?searchtype=author&query=Basque%2C+V">V. Basque</a>, <a href="/search/hep-ex?searchtype=author&query=Rodrigues%2C+O+B">O. Benevides Rodrigues</a>, <a href="/search/hep-ex?searchtype=author&query=Berkman%2C+S">S. Berkman</a>, <a href="/search/hep-ex?searchtype=author&query=Bhanderi%2C+A">A. Bhanderi</a>, <a href="/search/hep-ex?searchtype=author&query=Bhattacharya%2C+M">M. Bhattacharya</a>, <a href="/search/hep-ex?searchtype=author&query=Bishai%2C+M">M. Bishai</a>, <a href="/search/hep-ex?searchtype=author&query=Blake%2C+A">A. Blake</a>, <a href="/search/hep-ex?searchtype=author&query=Bogart%2C+B">B. Bogart</a>, <a href="/search/hep-ex?searchtype=author&query=Bolton%2C+T">T. Bolton</a>, <a href="/search/hep-ex?searchtype=author&query=Book%2C+J+Y">J. Y. Book</a>, <a href="/search/hep-ex?searchtype=author&query=Camilleri%2C+L">L. Camilleri</a>, <a href="/search/hep-ex?searchtype=author&query=Cao%2C+Y">Y. Cao</a>, <a href="/search/hep-ex?searchtype=author&query=Caratelli%2C+D">D. Caratelli</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="2304.02076v3-abstract-short" style="display: inline;"> MicroBooNE is a neutrino experiment located in the Booster Neutrino Beamline (BNB) at Fermilab, which collected data from 2015 to 2021. MicroBooNE's liquid argon time projection chamber (LArTPC) is accompanied by a photon detection system consisting of 32 photomultiplier tubes used to measure the argon scintillation light and determine the timing of neutrino interactions. Analysis techniques combi… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2304.02076v3-abstract-full').style.display = 'inline'; document.getElementById('2304.02076v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2304.02076v3-abstract-full" style="display: none;"> MicroBooNE is a neutrino experiment located in the Booster Neutrino Beamline (BNB) at Fermilab, which collected data from 2015 to 2021. MicroBooNE's liquid argon time projection chamber (LArTPC) is accompanied by a photon detection system consisting of 32 photomultiplier tubes used to measure the argon scintillation light and determine the timing of neutrino interactions. Analysis techniques combining light signals and reconstructed tracks are applied to achieve a neutrino interaction time resolution of $\mathcal{O}(1\,\text{ns})$. The result obtained allows MicroBooNE to access the ns neutrino pulse structure of the BNB for the first time. The timing resolution achieved will enable significant enhancement of cosmic background rejection for all neutrino analyses. Furthermore, the ns timing resolution opens new avenues to search for long-lived-particles such as heavy neutral leptons in MicroBooNE, as well as in future large LArTPC experiments, namely the SBN program and DUNE. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2304.02076v3-abstract-full').style.display = 'none'; document.getElementById('2304.02076v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 29 August, 2023; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 4 April, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2023. </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> 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