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<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/2408.05171">arXiv:2408.05171</a> <span> [<a href="https://arxiv.org/pdf/2408.05171">pdf</a>, <a href="https://arxiv.org/format/2408.05171">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Plasma Physics">physics.plasm-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> </div> <p class="title is-5 mathjax"> Time-resolved measurement of neutron energy isotropy in a sheared-flow-stabilized Z pinch </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Ryan%2C+R+A">R. A. Ryan</a>, <a href="/search/nucl-ex?searchtype=author&query=Tsai%2C+P+E">P. E. Tsai</a>, <a href="/search/nucl-ex?searchtype=author&query=Johansen%2C+A+R">A. R. Johansen</a>, <a href="/search/nucl-ex?searchtype=author&query=Youmans%2C+A">A. Youmans</a>, <a href="/search/nucl-ex?searchtype=author&query=Higginson%2C+D+P">D. P. Higginson</a>, <a href="/search/nucl-ex?searchtype=author&query=Mitrani%2C+J+M">J. M. Mitrani</a>, <a href="/search/nucl-ex?searchtype=author&query=Adams%2C+C+S">C. S. Adams</a>, <a href="/search/nucl-ex?searchtype=author&query=Sutherland%2C+D+A">D. A. Sutherland</a>, <a href="/search/nucl-ex?searchtype=author&query=Levitt%2C+B">B. Levitt</a>, <a href="/search/nucl-ex?searchtype=author&query=Shumlak%2C+U">U. Shumlak</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2408.05171v1-abstract-short" style="display: inline;"> Previous measurements of neutron energy using fast plastic scintillators while operating the Fusion Z Pinch Experiment (FuZE) constrained the energy of any yield-producing deuteron beams to less than $4.65 keV$. FuZE has since been operated at increasingly higher input power, resulting in increased plasma current and larger fusion neutron yields. A detailed experimental study of the neutron energy… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2408.05171v1-abstract-full').style.display = 'inline'; document.getElementById('2408.05171v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2408.05171v1-abstract-full" style="display: none;"> Previous measurements of neutron energy using fast plastic scintillators while operating the Fusion Z Pinch Experiment (FuZE) constrained the energy of any yield-producing deuteron beams to less than $4.65 keV$. FuZE has since been operated at increasingly higher input power, resulting in increased plasma current and larger fusion neutron yields. A detailed experimental study of the neutron energy isotropy in these regimes applies more stringent limits to possible contributions from beam-target fusion. The FuZE device operated at $-25~kV$ charge voltage has resulted in average plasma currents of $370~kA$ and D-D fusion neutron yields of $4\times10^7$ neutrons per discharge. Measurements of the neutron energy isotropy under these operating conditions demonstrates the energy of deuteron beams is less than $7.4 \pm 5.6^\mathrm{(stat)} \pm 3.7^\mathrm{(syst)}~keV$. Characterization of the detector response has reduced the number of free parameters in the fit of the neutron energy distribution, improving the confidence in the forward-fit method. Gamma backgrounds have been measured and the impact of these contributions on the isotropy results have been studied. Additionally, a time dependent measurement of the isotropy has been resolved for the first time, indicating increases to possible deuteron beam energies at late times. This suggests the possible growth of $m$=0 instabilities at the end of the main radiation event but confirms that the majority of the neutron production exhibits isotropy consistent with thermonuclear origin. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2408.05171v1-abstract-full').style.display = 'none'; document.getElementById('2408.05171v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 9 August, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 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">16 pages, 11 figures, submitted to Journal of Nuclear Fusion</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2406.15422">arXiv:2406.15422</a> <span> [<a href="https://arxiv.org/pdf/2406.15422">pdf</a>, <a href="https://arxiv.org/format/2406.15422">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> </div> <p class="title is-5 mathjax"> Fluorescence Imaging of Individual Ions and Molecules in Pressurized Noble Gases for Barium Tagging in $^{136}$Xe </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=NEXT+Collaboration"> NEXT Collaboration</a>, <a href="/search/nucl-ex?searchtype=author&query=Byrnes%2C+N">N. Byrnes</a>, <a href="/search/nucl-ex?searchtype=author&query=Dey%2C+E">E. Dey</a>, <a href="/search/nucl-ex?searchtype=author&query=Foss%2C+F+W">F. W. Foss</a>, <a href="/search/nucl-ex?searchtype=author&query=Jones%2C+B+J+P">B. J. P. Jones</a>, <a href="/search/nucl-ex?searchtype=author&query=Madigan%2C+R">R. Madigan</a>, <a href="/search/nucl-ex?searchtype=author&query=McDonald%2C+A">A. McDonald</a>, <a href="/search/nucl-ex?searchtype=author&query=Miller%2C+R+L">R. L. Miller</a>, <a href="/search/nucl-ex?searchtype=author&query=Navarro%2C+K+E">K. E. Navarro</a>, <a href="/search/nucl-ex?searchtype=author&query=Norman%2C+L+R">L. R. Norman</a>, <a href="/search/nucl-ex?searchtype=author&query=Nygren%2C+D+R">D. R. Nygren</a>, <a href="/search/nucl-ex?searchtype=author&query=Adams%2C+C">C. Adams</a>, <a href="/search/nucl-ex?searchtype=author&query=Almaz%C3%A1n%2C+H">H. Almaz谩n</a>, <a href="/search/nucl-ex?searchtype=author&query=%C3%81lvarez%2C+V">V. 脕lvarez</a>, <a href="/search/nucl-ex?searchtype=author&query=Aparicio%2C+B">B. Aparicio</a>, <a href="/search/nucl-ex?searchtype=author&query=Aranburu%2C+A+I">A. I. Aranburu</a>, <a href="/search/nucl-ex?searchtype=author&query=Arazi%2C+L">L. Arazi</a>, <a href="/search/nucl-ex?searchtype=author&query=Arnquist%2C+I+J">I. J. Arnquist</a>, <a href="/search/nucl-ex?searchtype=author&query=Auria-Luna%2C+F">F. Auria-Luna</a>, <a href="/search/nucl-ex?searchtype=author&query=Ayet%2C+S">S. Ayet</a>, <a href="/search/nucl-ex?searchtype=author&query=Azevedo%2C+C+D+R">C. D. R. Azevedo</a>, <a href="/search/nucl-ex?searchtype=author&query=Barcelon%2C+J+E">J. E. Barcelon</a>, <a href="/search/nucl-ex?searchtype=author&query=Bailey%2C+K">K. Bailey</a>, <a href="/search/nucl-ex?searchtype=author&query=Ballester%2C+F">F. Ballester</a>, <a href="/search/nucl-ex?searchtype=author&query=del+Barrio-Torregrosa%2C+M">M. del Barrio-Torregrosa</a> , et al. (90 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="2406.15422v1-abstract-short" style="display: inline;"> The imaging of individual Ba$^{2+}$ ions in high pressure xenon gas is one possible way to attain background-free sensitivity to neutrinoless double beta decay and hence establish the Majorana nature of the neutrino. In this paper we demonstrate selective single Ba$^{2+}$ ion imaging inside a high-pressure xenon gas environment. Ba$^{2+}$ ions chelated with molecular chemosensors are resolved at t… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2406.15422v1-abstract-full').style.display = 'inline'; document.getElementById('2406.15422v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2406.15422v1-abstract-full" style="display: none;"> The imaging of individual Ba$^{2+}$ ions in high pressure xenon gas is one possible way to attain background-free sensitivity to neutrinoless double beta decay and hence establish the Majorana nature of the neutrino. In this paper we demonstrate selective single Ba$^{2+}$ ion imaging inside a high-pressure xenon gas environment. Ba$^{2+}$ ions chelated with molecular chemosensors are resolved at the gas-solid interface using a diffraction-limited imaging system with scan area of 1$\times$1~cm$^2$ located inside 10~bar of xenon gas. This new form of microscopy represents an important enabling step in the development of barium tagging for neutrinoless double beta decay searches in $^{136}$Xe, as well as a new tool for studying the photophysics of fluorescent molecules and chemosensors at the solid-gas interface. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2406.15422v1-abstract-full').style.display = 'none'; document.getElementById('2406.15422v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 20 May, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2024. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2305.09435">arXiv:2305.09435</a> <span> [<a href="https://arxiv.org/pdf/2305.09435">pdf</a>, <a href="https://arxiv.org/format/2305.09435">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> <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/10.1007/JHEP09(2023)190">10.1007/JHEP09(2023)190 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Demonstration of neutrinoless double beta decay searches in gaseous xenon with NEXT </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=NEXT+Collaboration"> NEXT Collaboration</a>, <a href="/search/nucl-ex?searchtype=author&query=Novella%2C+P">P. Novella</a>, <a href="/search/nucl-ex?searchtype=author&query=Sorel%2C+M">M. Sorel</a>, <a href="/search/nucl-ex?searchtype=author&query=Us%C3%B3n%2C+A">A. Us贸n</a>, <a href="/search/nucl-ex?searchtype=author&query=Adams%2C+C">C. Adams</a>, <a href="/search/nucl-ex?searchtype=author&query=Almaz%C3%A1n%2C+H">H. Almaz谩n</a>, <a href="/search/nucl-ex?searchtype=author&query=%C3%81lvarez%2C+V">V. 脕lvarez</a>, <a href="/search/nucl-ex?searchtype=author&query=Aparicio%2C+B">B. Aparicio</a>, <a href="/search/nucl-ex?searchtype=author&query=Aranburu%2C+A+I">A. I. Aranburu</a>, <a href="/search/nucl-ex?searchtype=author&query=Arazi%2C+L">L. Arazi</a>, <a href="/search/nucl-ex?searchtype=author&query=Arnquist%2C+I+J">I. J. Arnquist</a>, <a href="/search/nucl-ex?searchtype=author&query=Auria-Luna%2C+F">F. Auria-Luna</a>, <a href="/search/nucl-ex?searchtype=author&query=Ayet%2C+S">S. Ayet</a>, <a href="/search/nucl-ex?searchtype=author&query=Azevedo%2C+C+D+R">C. D. R. Azevedo</a>, <a href="/search/nucl-ex?searchtype=author&query=Bailey%2C+K">K. Bailey</a>, <a href="/search/nucl-ex?searchtype=author&query=Ballester%2C+F">F. Ballester</a>, <a href="/search/nucl-ex?searchtype=author&query=del+Barrio-Torregrosa%2C+M">M. del Barrio-Torregrosa</a>, <a href="/search/nucl-ex?searchtype=author&query=Bayo%2C+A">A. Bayo</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlloch-Rodr%C3%ADguez%2C+J+M">J. M. Benlloch-Rodr铆guez</a>, <a href="/search/nucl-ex?searchtype=author&query=Borges%2C+F+I+G+M">F. I. G. M. Borges</a>, <a href="/search/nucl-ex?searchtype=author&query=Bounasser%2C+S">S. Bounasser</a>, <a href="/search/nucl-ex?searchtype=author&query=Byrnes%2C+N">N. Byrnes</a>, <a href="/search/nucl-ex?searchtype=author&query=C%C3%A1rcel%2C+S">S. C谩rcel</a>, <a href="/search/nucl-ex?searchtype=author&query=Carri%C3%B3n%2C+J+V">J. V. Carri贸n</a>, <a href="/search/nucl-ex?searchtype=author&query=Cebri%C3%A1n%2C+S">S. Cebri谩n</a> , et al. (90 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="2305.09435v4-abstract-short" style="display: inline;"> The NEXT experiment aims at the sensitive search of the neutrinoless double beta decay in $^{136}$Xe, using high-pressure gas electroluminescent time projection chambers. The NEXT-White detector is the first radiopure demonstrator of this technology, operated in the Laboratorio Subterr谩neo de Canfranc. Achieving an energy resolution of 1% FWHM at 2.6 MeV and further background rejection by means o… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2305.09435v4-abstract-full').style.display = 'inline'; document.getElementById('2305.09435v4-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2305.09435v4-abstract-full" style="display: none;"> The NEXT experiment aims at the sensitive search of the neutrinoless double beta decay in $^{136}$Xe, using high-pressure gas electroluminescent time projection chambers. The NEXT-White detector is the first radiopure demonstrator of this technology, operated in the Laboratorio Subterr谩neo de Canfranc. Achieving an energy resolution of 1% FWHM at 2.6 MeV and further background rejection by means of the topology of the reconstructed tracks, NEXT-White has been exploited beyond its original goals in order to perform a neutrinoless double beta decay search. The analysis considers the combination of 271.6 days of $^{136}$Xe-enriched data and 208.9 days of $^{136}$Xe-depleted data. A detailed background modeling and measurement has been developed, ensuring the time stability of the radiogenic and cosmogenic contributions across both data samples. Limits to the neutrinoless mode are obtained in two alternative analyses: a background-model-dependent approach and a novel direct background-subtraction technique, offering results with small dependence on the background model assumptions. With a fiducial mass of only 3.50$\pm$0.01 kg of $^{136}$Xe-enriched xenon, 90% C.L. lower limits to the neutrinoless double beta decay are found in the T$_{1/2}^{0谓}>5.5\times10^{23}-1.3\times10^{24}$ yr range, depending on the method. The presented techniques stand as a proof-of-concept for the searches to be implemented with larger NEXT detectors. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2305.09435v4-abstract-full').style.display = 'none'; document.getElementById('2305.09435v4-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 September, 2023; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 16 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">Journal ref:</span> JHEP 09 (2023) 190 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2304.03451">arXiv:2304.03451</a> <span> [<a href="https://arxiv.org/pdf/2304.03451">pdf</a>, <a href="https://arxiv.org/format/2304.03451">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="Nuclear Theory">nucl-th</span> </div> </div> <p class="title is-5 mathjax"> Fundamental Symmetries, Neutrons, and Neutrinos (FSNN): Whitepaper for the 2023 NSAC Long Range Plan </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Acharya%2C+B">B. Acharya</a>, <a href="/search/nucl-ex?searchtype=author&query=Adams%2C+C">C. Adams</a>, <a href="/search/nucl-ex?searchtype=author&query=Aleksandrova%2C+A+A">A. A. Aleksandrova</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfonso%2C+K">K. Alfonso</a>, <a href="/search/nucl-ex?searchtype=author&query=An%2C+P">P. An</a>, <a href="/search/nucl-ex?searchtype=author&query=Bae%C3%9Fler%2C+S">S. Bae脽ler</a>, <a href="/search/nucl-ex?searchtype=author&query=Balantekin%2C+A+B">A. B. Balantekin</a>, <a href="/search/nucl-ex?searchtype=author&query=Barbeau%2C+P+S">P. S. Barbeau</a>, <a href="/search/nucl-ex?searchtype=author&query=Bellini%2C+F">F. Bellini</a>, <a href="/search/nucl-ex?searchtype=author&query=Bellini%2C+V">V. Bellini</a>, <a href="/search/nucl-ex?searchtype=author&query=Beminiwattha%2C+R+S">R. S. Beminiwattha</a>, <a href="/search/nucl-ex?searchtype=author&query=Bernauer%2C+J+C">J. C. Bernauer</a>, <a href="/search/nucl-ex?searchtype=author&query=Bhattacharya%2C+T">T. Bhattacharya</a>, <a href="/search/nucl-ex?searchtype=author&query=Bishof%2C+M">M. Bishof</a>, <a href="/search/nucl-ex?searchtype=author&query=Bolotnikov%2C+A+E">A. E. Bolotnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Breur%2C+P+A">P. A. Breur</a>, <a href="/search/nucl-ex?searchtype=author&query=Brodeur%2C+M">M. Brodeur</a>, <a href="/search/nucl-ex?searchtype=author&query=Brodsky%2C+J+P">J. P. Brodsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Broussard%2C+L+J">L. J. Broussard</a>, <a href="/search/nucl-ex?searchtype=author&query=Brunner%2C+T">T. Brunner</a>, <a href="/search/nucl-ex?searchtype=author&query=Burdette%2C+D+P">D. P. Burdette</a>, <a href="/search/nucl-ex?searchtype=author&query=Caylor%2C+J">J. Caylor</a>, <a href="/search/nucl-ex?searchtype=author&query=Chiu%2C+M">M. Chiu</a>, <a href="/search/nucl-ex?searchtype=author&query=Cirigliano%2C+V">V. Cirigliano</a>, <a href="/search/nucl-ex?searchtype=author&query=Clark%2C+J+A">J. A. Clark</a> , et al. (154 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="2304.03451v1-abstract-short" style="display: inline;"> This whitepaper presents the research priorities decided on by attendees of the 2022 Town Meeting for Fundamental Symmetries, Neutrons and Neutrinos, which took place December 13-15, 2022 in Chapel Hill, NC, as part of the Nuclear Science Advisory Committee (NSAC) 2023 Long Range Planning process. A total of 275 scientists registered for the meeting. The whitepaper makes a number of explicit recom… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2304.03451v1-abstract-full').style.display = 'inline'; document.getElementById('2304.03451v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2304.03451v1-abstract-full" style="display: none;"> This whitepaper presents the research priorities decided on by attendees of the 2022 Town Meeting for Fundamental Symmetries, Neutrons and Neutrinos, which took place December 13-15, 2022 in Chapel Hill, NC, as part of the Nuclear Science Advisory Committee (NSAC) 2023 Long Range Planning process. A total of 275 scientists registered for the meeting. The whitepaper makes a number of explicit recommendations and justifies them in detail. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2304.03451v1-abstract-full').style.display = 'none'; document.getElementById('2304.03451v1-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 April, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2023. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2303.01522">arXiv:2303.01522</a> <span> [<a href="https://arxiv.org/pdf/2303.01522">pdf</a>, <a href="https://arxiv.org/format/2303.01522">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1748-0221/18/07/P07044">10.1088/1748-0221/18/07/P07044 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> A Compact Dication Source for Ba$^{2+}$ Tagging and Heavy Metal Ion Sensor Development </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Navarro%2C+K+E">K. E. Navarro</a>, <a href="/search/nucl-ex?searchtype=author&query=Jones%2C+B+J+P">B. J. P. Jones</a>, <a href="/search/nucl-ex?searchtype=author&query=Baeza-Rubio%2C+J">J. Baeza-Rubio</a>, <a href="/search/nucl-ex?searchtype=author&query=Boyd%2C+M">M. Boyd</a>, <a href="/search/nucl-ex?searchtype=author&query=Denisenko%2C+A+A">A. A. Denisenko</a>, <a href="/search/nucl-ex?searchtype=author&query=Foss%2C+F+W">F. W. Foss</a>, <a href="/search/nucl-ex?searchtype=author&query=Giri%2C+S">S. Giri</a>, <a href="/search/nucl-ex?searchtype=author&query=Miller%2C+R">R. Miller</a>, <a href="/search/nucl-ex?searchtype=author&query=Nygren%2C+D+R">D. R. Nygren</a>, <a href="/search/nucl-ex?searchtype=author&query=Tiscareno%2C+M+R">M. R. Tiscareno</a>, <a href="/search/nucl-ex?searchtype=author&query=Samaniego%2C+F+J">F. J. Samaniego</a>, <a href="/search/nucl-ex?searchtype=author&query=Stogsdill%2C+K">K. Stogsdill</a>, <a href="/search/nucl-ex?searchtype=author&query=Adams%2C+C">C. Adams</a>, <a href="/search/nucl-ex?searchtype=author&query=Almaz%C3%A1n%2C+H">H. Almaz谩n</a>, <a href="/search/nucl-ex?searchtype=author&query=%C3%81lvarez%2C+V">V. 脕lvarez</a>, <a href="/search/nucl-ex?searchtype=author&query=Aparicio%2C+B">B. Aparicio</a>, <a href="/search/nucl-ex?searchtype=author&query=Aranburu%2C+A+I">A. I. Aranburu</a>, <a href="/search/nucl-ex?searchtype=author&query=Arazi%2C+L">L. Arazi</a>, <a href="/search/nucl-ex?searchtype=author&query=Arnquist%2C+I+J">I. J. Arnquist</a>, <a href="/search/nucl-ex?searchtype=author&query=Ayet%2C+S">S. Ayet</a>, <a href="/search/nucl-ex?searchtype=author&query=Azevedo%2C+C+D+R">C. D. R. Azevedo</a>, <a href="/search/nucl-ex?searchtype=author&query=Bailey%2C+K">K. Bailey</a>, <a href="/search/nucl-ex?searchtype=author&query=Ballester%2C+F">F. Ballester</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlloch-Rodr%C3%ADguez%2C+J+M">J. M. Benlloch-Rodr铆guez</a>, <a href="/search/nucl-ex?searchtype=author&query=Borges%2C+F+I+G+M">F. I. G. M. Borges</a> , et al. (85 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="2303.01522v1-abstract-short" style="display: inline;"> We present a tunable metal ion beam that delivers controllable ion currents in the picoamp range for testing of dry-phase ion sensors. Ion beams are formed by sequential atomic evaporation and single or multiple electron impact ionization, followed by acceleration into a sensing region. Controllability of the ionic charge state is achieved through tuning of electrode potentials that influence the… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2303.01522v1-abstract-full').style.display = 'inline'; document.getElementById('2303.01522v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2303.01522v1-abstract-full" style="display: none;"> We present a tunable metal ion beam that delivers controllable ion currents in the picoamp range for testing of dry-phase ion sensors. Ion beams are formed by sequential atomic evaporation and single or multiple electron impact ionization, followed by acceleration into a sensing region. Controllability of the ionic charge state is achieved through tuning of electrode potentials that influence the retention time in the ionization region. Barium, lead, and cobalt samples have been used to test the system, with ion currents identified and quantified using a quadrupole mass analyzer. Realization of a clean $\mathrm{Ba^{2+}}$ ion beam within a bench-top system represents an important technical advance toward the development and characterization of barium tagging systems for neutrinoless double beta decay searches in xenon gas. This system also provides a testbed for investigation of novel ion sensing methodologies for environmental assay applications, with dication beams of Pb$^{2+}$ and Cd$^{2+}$ also demonstrated for this purpose. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2303.01522v1-abstract-full').style.display = 'none'; document.getElementById('2303.01522v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 2 March, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2023. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2212.11099">arXiv:2212.11099</a> <span> [<a href="https://arxiv.org/pdf/2212.11099">pdf</a>, <a href="https://arxiv.org/format/2212.11099">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="Nuclear Theory">nucl-th</span> </div> </div> <p class="title is-5 mathjax"> Neutrinoless Double Beta Decay </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Adams%2C+C">C. Adams</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfonso%2C+K">K. Alfonso</a>, <a href="/search/nucl-ex?searchtype=author&query=Andreoiu%2C+C">C. Andreoiu</a>, <a href="/search/nucl-ex?searchtype=author&query=Angelico%2C+E">E. Angelico</a>, <a href="/search/nucl-ex?searchtype=author&query=Arnquist%2C+I+J">I. J. Arnquist</a>, <a href="/search/nucl-ex?searchtype=author&query=Asaadi%2C+J+A+A">J. A. A. Asaadi</a>, <a href="/search/nucl-ex?searchtype=author&query=Avignone%2C+F+T">F. T. Avignone</a>, <a href="/search/nucl-ex?searchtype=author&query=Axani%2C+S+N">S. N. Axani</a>, <a href="/search/nucl-ex?searchtype=author&query=Barabash%2C+A+S">A. S. Barabash</a>, <a href="/search/nucl-ex?searchtype=author&query=Barbeau%2C+P+S">P. S. Barbeau</a>, <a href="/search/nucl-ex?searchtype=author&query=Baudis%2C+L">L. Baudis</a>, <a href="/search/nucl-ex?searchtype=author&query=Bellini%2C+F">F. Bellini</a>, <a href="/search/nucl-ex?searchtype=author&query=Beretta%2C+M">M. Beretta</a>, <a href="/search/nucl-ex?searchtype=author&query=Bhatta%2C+T">T. Bhatta</a>, <a href="/search/nucl-ex?searchtype=author&query=Biancacci%2C+V">V. Biancacci</a>, <a href="/search/nucl-ex?searchtype=author&query=Biassoni%2C+M">M. Biassoni</a>, <a href="/search/nucl-ex?searchtype=author&query=Bossio%2C+E">E. Bossio</a>, <a href="/search/nucl-ex?searchtype=author&query=Breur%2C+P+A">P. A. Breur</a>, <a href="/search/nucl-ex?searchtype=author&query=Brodsky%2C+J+P">J. P. Brodsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Brofferio%2C+C">C. Brofferio</a>, <a href="/search/nucl-ex?searchtype=author&query=Brown%2C+E">E. Brown</a>, <a href="/search/nucl-ex?searchtype=author&query=Brugnera%2C+R">R. Brugnera</a>, <a href="/search/nucl-ex?searchtype=author&query=Brunner%2C+T">T. Brunner</a>, <a href="/search/nucl-ex?searchtype=author&query=Burlac%2C+N">N. Burlac</a>, <a href="/search/nucl-ex?searchtype=author&query=Caden%2C+E">E. Caden</a> , et al. (207 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="2212.11099v1-abstract-short" style="display: inline;"> This White Paper, prepared for the Fundamental Symmetries, Neutrons, and Neutrinos Town Meeting related to the 2023 Nuclear Physics Long Range Plan, makes the case for double beta decay as a critical component of the future nuclear physics program. The major experimental collaborations and many theorists have endorsed this white paper. </span> <span class="abstract-full has-text-grey-dark mathjax" id="2212.11099v1-abstract-full" style="display: none;"> This White Paper, prepared for the Fundamental Symmetries, Neutrons, and Neutrinos Town Meeting related to the 2023 Nuclear Physics Long Range Plan, makes the case for double beta decay as a critical component of the future nuclear physics program. The major experimental collaborations and many theorists have endorsed this white paper. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2212.11099v1-abstract-full').style.display = 'none'; document.getElementById('2212.11099v1-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 December, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">white paper submitted for the Fundamental Symmetries, Neutrons, and Neutrinos Town Meeting in support of the US Nuclear Physics Long Range Planning Process</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2111.11091">arXiv:2111.11091</a> <span> [<a href="https://arxiv.org/pdf/2111.11091">pdf</a>, <a href="https://arxiv.org/format/2111.11091">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> <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/PhysRevC.105.055501">10.1103/PhysRevC.105.055501 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of the ${}^{136}$Xe two-neutrino double beta decay half-life via direct background subtraction in NEXT </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=NEXT+Collaboration"> NEXT Collaboration</a>, <a href="/search/nucl-ex?searchtype=author&query=Novella%2C+P">P. Novella</a>, <a href="/search/nucl-ex?searchtype=author&query=Sorel%2C+M">M. Sorel</a>, <a href="/search/nucl-ex?searchtype=author&query=Us%C3%B3n%2C+A">A. Us贸n</a>, <a href="/search/nucl-ex?searchtype=author&query=Adams%2C+C">C. Adams</a>, <a href="/search/nucl-ex?searchtype=author&query=Almaz%C3%A1n%2C+H">H. Almaz谩n</a>, <a href="/search/nucl-ex?searchtype=author&query=%C3%81lvarez%2C+V">V. 脕lvarez</a>, <a href="/search/nucl-ex?searchtype=author&query=Aparicio%2C+B">B. Aparicio</a>, <a href="/search/nucl-ex?searchtype=author&query=Aranburu%2C+A+I">A. I. Aranburu</a>, <a href="/search/nucl-ex?searchtype=author&query=Arazi%2C+L">L. Arazi</a>, <a href="/search/nucl-ex?searchtype=author&query=Arnquist%2C+I+J">I. J. Arnquist</a>, <a href="/search/nucl-ex?searchtype=author&query=Ayet%2C+S">S. Ayet</a>, <a href="/search/nucl-ex?searchtype=author&query=Azevedo%2C+C+D+R">C. D. R. Azevedo</a>, <a href="/search/nucl-ex?searchtype=author&query=Bailey%2C+K">K. Bailey</a>, <a href="/search/nucl-ex?searchtype=author&query=Ballester%2C+F">F. Ballester</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlloch-Rodr%C3%ADguez%2C+J+M">J. M. Benlloch-Rodr铆guez</a>, <a href="/search/nucl-ex?searchtype=author&query=Borges%2C+F+I+G+M">F. I. G. M. Borges</a>, <a href="/search/nucl-ex?searchtype=author&query=Bounasser%2C+S">S. Bounasser</a>, <a href="/search/nucl-ex?searchtype=author&query=Byrnes%2C+N">N. Byrnes</a>, <a href="/search/nucl-ex?searchtype=author&query=C%C3%A1rcel%2C+S">S. C谩rcel</a>, <a href="/search/nucl-ex?searchtype=author&query=Carri%C3%B3n%2C+J+V">J. V. Carri贸n</a>, <a href="/search/nucl-ex?searchtype=author&query=Cebri%C3%A1n%2C+S">S. Cebri谩n</a>, <a href="/search/nucl-ex?searchtype=author&query=Church%2C+E">E. Church</a>, <a href="/search/nucl-ex?searchtype=author&query=Conde%2C+C+A+N">C. A. N. Conde</a>, <a href="/search/nucl-ex?searchtype=author&query=Contreras%2C+T">T. Contreras</a> , et al. (85 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2111.11091v3-abstract-short" style="display: inline;"> We report a measurement of the half-life of the ${}^{136}$Xe two-neutrino double beta decay performed with a novel direct background subtraction technique. The analysis relies on the data collected with the NEXT-White detector operated with ${}^{136}$Xe-enriched and ${}^{136}$Xe-depleted xenon, as well as on the topology of double-electron tracks. With a fiducial mass of only 3.5 kg of Xe, a half-… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2111.11091v3-abstract-full').style.display = 'inline'; document.getElementById('2111.11091v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2111.11091v3-abstract-full" style="display: none;"> We report a measurement of the half-life of the ${}^{136}$Xe two-neutrino double beta decay performed with a novel direct background subtraction technique. The analysis relies on the data collected with the NEXT-White detector operated with ${}^{136}$Xe-enriched and ${}^{136}$Xe-depleted xenon, as well as on the topology of double-electron tracks. With a fiducial mass of only 3.5 kg of Xe, a half-life of $2.34^{+0.80}_{-0.46}\textrm{(stat)}^{+0.30}_{-0.17}\textrm{(sys)}\times10^{21}~\textrm{yr}$ is derived from the background-subtracted energy spectrum. The presented technique demonstrates the feasibility of unique background-model-independent neutrinoless double beta decay searches. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2111.11091v3-abstract-full').style.display = 'none'; document.getElementById('2111.11091v3-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 May, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 22 November, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2021. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">9 pages, 7 figures, and 1 appendix</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 105, 055501 (2022) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2109.05902">arXiv:2109.05902</a> <span> [<a href="https://arxiv.org/pdf/2109.05902">pdf</a>, <a href="https://arxiv.org/format/2109.05902">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> </div> <p class="title is-5 mathjax"> The Dynamics of Ions on Phased Radio-frequency Carpets in High Pressure Gases and Application for Barium Tagging in Xenon Gas Time Projection Chambers </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=NEXT+Collaboration"> NEXT Collaboration</a>, <a href="/search/nucl-ex?searchtype=author&query=Jones%2C+B+J+P">B. J. P. Jones</a>, <a href="/search/nucl-ex?searchtype=author&query=Raymond%2C+A">A. Raymond</a>, <a href="/search/nucl-ex?searchtype=author&query=Woodruff%2C+K">K. Woodruff</a>, <a href="/search/nucl-ex?searchtype=author&query=Byrnes%2C+N">N. Byrnes</a>, <a href="/search/nucl-ex?searchtype=author&query=Denisenko%2C+A+A">A. A. Denisenko</a>, <a href="/search/nucl-ex?searchtype=author&query=Foss%2C+F+W">F. W. Foss</a>, <a href="/search/nucl-ex?searchtype=author&query=Navarro%2C+K">K. Navarro</a>, <a href="/search/nucl-ex?searchtype=author&query=Nygren%2C+D+R">D. R. Nygren</a>, <a href="/search/nucl-ex?searchtype=author&query=Vuong%2C+T+T">T. T. Vuong</a>, <a href="/search/nucl-ex?searchtype=author&query=Adams%2C+C">C. Adams</a>, <a href="/search/nucl-ex?searchtype=author&query=Almaz%C3%A1n%2C+H">H. Almaz谩n</a>, <a href="/search/nucl-ex?searchtype=author&query=%C3%81lvarez%2C+V">V. 脕lvarez</a>, <a href="/search/nucl-ex?searchtype=author&query=Aparicio%2C+B">B. Aparicio</a>, <a href="/search/nucl-ex?searchtype=author&query=Aranburu%2C+A+I">A. I. Aranburu</a>, <a href="/search/nucl-ex?searchtype=author&query=Arazi%2C+L">L. Arazi</a>, <a href="/search/nucl-ex?searchtype=author&query=Arnquist%2C+I+J">I. J. Arnquist</a>, <a href="/search/nucl-ex?searchtype=author&query=Ayet%2C+S">S. Ayet</a>, <a href="/search/nucl-ex?searchtype=author&query=Azevedo%2C+C+D+R">C. D. R. Azevedo</a>, <a href="/search/nucl-ex?searchtype=author&query=Bailey%2C+K">K. Bailey</a>, <a href="/search/nucl-ex?searchtype=author&query=Ballester%2C+F">F. Ballester</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlloch-Rodr%C3%ADguez%2C+J+M">J. M. Benlloch-Rodr铆guez</a>, <a href="/search/nucl-ex?searchtype=author&query=Borges%2C+F+I+G+M">F. I. G. M. Borges</a>, <a href="/search/nucl-ex?searchtype=author&query=Bounasser%2C+S">S. Bounasser</a>, <a href="/search/nucl-ex?searchtype=author&query=C%C3%A1rcel%2C+S">S. C谩rcel</a> , et al. (85 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="2109.05902v2-abstract-short" style="display: inline;"> Radio-frequency (RF) carpets with ultra-fine pitches are examined for ion transport in gases at atmospheric pressures and above. We develop new analytic and computational methods for modeling RF ion transport at densities where dynamics are strongly influenced by buffer gas collisions. An analytic description of levitating and sweeping forces from phased arrays is obtained, then thermodynamic and… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2109.05902v2-abstract-full').style.display = 'inline'; document.getElementById('2109.05902v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2109.05902v2-abstract-full" style="display: none;"> Radio-frequency (RF) carpets with ultra-fine pitches are examined for ion transport in gases at atmospheric pressures and above. We develop new analytic and computational methods for modeling RF ion transport at densities where dynamics are strongly influenced by buffer gas collisions. An analytic description of levitating and sweeping forces from phased arrays is obtained, then thermodynamic and kinetic principles are used to calculate ion loss rates in the presence of collisions. This methodology is validated against detailed microscopic SIMION simulations. We then explore a parameter space of special interest for neutrinoless double beta decay experiments: transport of barium ions in xenon at pressures from 1 to 10 bar. Our computations account for molecular ion formation and pressure dependent mobility as well as finite temperature effects. We discuss the challenges associated with achieving suitable operating conditions, which lie beyond the capabilities of existing devices, using presently available or near-future manufacturing techniques. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2109.05902v2-abstract-full').style.display = 'none'; document.getElementById('2109.05902v2-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 September, 2021; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 8 September, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2021. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">26 pages, 16 figures v2: author list update and pre-journal submission adjustments</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2006.07320">arXiv:2006.07320</a> <span> [<a href="https://arxiv.org/pdf/2006.07320">pdf</a>, <a href="https://arxiv.org/format/2006.07320">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1007/JHEP02(2021)203">10.1007/JHEP02(2021)203 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Sensitivity of the NEXT experiment to Xe-124 double electron capture </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Mart%C3%ADnez-Lema%2C+G">G. Mart铆nez-Lema</a>, <a href="/search/nucl-ex?searchtype=author&query=Mart%C3%ADnez-Vara%2C+M">M. Mart铆nez-Vara</a>, <a href="/search/nucl-ex?searchtype=author&query=Sorel%2C+M">M. Sorel</a>, <a href="/search/nucl-ex?searchtype=author&query=Adams%2C+C">C. Adams</a>, <a href="/search/nucl-ex?searchtype=author&query=Alvarez%2C+V">V. Alvarez</a>, <a href="/search/nucl-ex?searchtype=author&query=Arazi%2C+L">L. Arazi</a>, <a href="/search/nucl-ex?searchtype=author&query=Arnquist%2C+I+J">I. J. Arnquist</a>, <a href="/search/nucl-ex?searchtype=author&query=Azevedo%2C+C+D+R">C. D. R Azevedo</a>, <a href="/search/nucl-ex?searchtype=author&query=Bailey%2C+K">K. Bailey</a>, <a href="/search/nucl-ex?searchtype=author&query=Ballester%2C+F">F. Ballester</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlloch-Rodr%C3%ADguez%2C+J+M">J. M. Benlloch-Rodr铆guez</a>, <a href="/search/nucl-ex?searchtype=author&query=Borges%2C+F+I+G+M">F. I. G. M. Borges</a>, <a href="/search/nucl-ex?searchtype=author&query=Byrnes%2C+N">N. Byrnes</a>, <a href="/search/nucl-ex?searchtype=author&query=C%C3%A1rcel%2C+S">S. C谩rcel</a>, <a href="/search/nucl-ex?searchtype=author&query=Carri%C3%B3n%2C+J+V">J. V. Carri贸n</a>, <a href="/search/nucl-ex?searchtype=author&query=Cebri%C3%A1n%2C+S">S. Cebri谩n</a>, <a href="/search/nucl-ex?searchtype=author&query=Church%2C+E">E. Church</a>, <a href="/search/nucl-ex?searchtype=author&query=Conde%2C+C+A+N">C. A. N. Conde</a>, <a href="/search/nucl-ex?searchtype=author&query=Contreras%2C+T">T. Contreras</a>, <a href="/search/nucl-ex?searchtype=author&query=D%C3%ADaz%2C+G">G. D铆az</a>, <a href="/search/nucl-ex?searchtype=author&query=D%C3%ADaz%2C+J">J. D铆az</a>, <a href="/search/nucl-ex?searchtype=author&query=Diesburg%2C+M">M. Diesburg</a>, <a href="/search/nucl-ex?searchtype=author&query=Escada%2C+J">J. Escada</a>, <a href="/search/nucl-ex?searchtype=author&query=Esteve%2C+R">R. Esteve</a>, <a href="/search/nucl-ex?searchtype=author&query=Felkai%2C+R">R. Felkai</a> , et al. (66 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2006.07320v3-abstract-short" style="display: inline;"> Double electron capture by proton-rich nuclei is a second-order nuclear process analogous to double beta decay. Despite their similarities, the decay signature is quite different, potentially providing a new channel to measure the hypothesized neutrinoless mode of these decays. The Standard-Model-allowed two-neutrino double electron capture ($2谓ECEC$) has been predicted for a number of isotopes, b… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2006.07320v3-abstract-full').style.display = 'inline'; document.getElementById('2006.07320v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2006.07320v3-abstract-full" style="display: none;"> Double electron capture by proton-rich nuclei is a second-order nuclear process analogous to double beta decay. Despite their similarities, the decay signature is quite different, potentially providing a new channel to measure the hypothesized neutrinoless mode of these decays. The Standard-Model-allowed two-neutrino double electron capture ($2谓ECEC$) has been predicted for a number of isotopes, but only observed in $^{78}$Kr, $^{130}$Ba and, recently, $^{124}$Xe. The sensitivity to this decay establishes a benchmark for the ultimate experimental goal, namely the potential to discover also the lepton-number-violating neutrinoless version of this process, $0谓ECEC$. Here we report on the current sensitivity of the NEXT-White detector to $^{124}$Xe $2谓ECEC$ and on the extrapolation to NEXT-100. Using simulated data for the $2谓ECEC$ signal and real data from NEXT-White operated with $^{124}$Xe-depleted gas as background, we define an optimal event selection that maximizes the NEXT-White sensitivity. We estimate that, for NEXT-100 operated with xenon gas isotopically enriched with 1 kg of $^{124}$Xe and for a 5-year run, a sensitivity to the $2谓ECEC$ half-life of $6 \times 10^{22}$ y (at 90% confidence level) or better can be reached. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2006.07320v3-abstract-full').style.display = 'none'; document.getElementById('2006.07320v3-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 March, 2021; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 12 June, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2020. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">23 pages, 13 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> J. High Energ. Phys. 2021, 203 (2021) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2005.06467">arXiv:2005.06467</a> <span> [<a href="https://arxiv.org/pdf/2005.06467">pdf</a>, <a href="https://arxiv.org/format/2005.06467">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> </div> <p class="title is-5 mathjax"> Sensitivity of a tonne-scale NEXT detector for neutrinoless double beta decay searches </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=NEXT+Collaboration"> NEXT Collaboration</a>, <a href="/search/nucl-ex?searchtype=author&query=Adams%2C+C">C. Adams</a>, <a href="/search/nucl-ex?searchtype=author&query=%C3%81lvarez%2C+V">V. 脕lvarez</a>, <a href="/search/nucl-ex?searchtype=author&query=Arazi%2C+L">L. Arazi</a>, <a href="/search/nucl-ex?searchtype=author&query=Arnquist%2C+I+J">I. J. Arnquist</a>, <a href="/search/nucl-ex?searchtype=author&query=Azevedo%2C+C+D+R">C. D. R Azevedo</a>, <a href="/search/nucl-ex?searchtype=author&query=Bailey%2C+K">K. Bailey</a>, <a href="/search/nucl-ex?searchtype=author&query=Ballester%2C+F">F. Ballester</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlloch-Rodr%C3%ADguez%2C+J+M">J. M. Benlloch-Rodr铆guez</a>, <a href="/search/nucl-ex?searchtype=author&query=Borges%2C+F+I+G+M">F. I. G. M. Borges</a>, <a href="/search/nucl-ex?searchtype=author&query=Byrnes%2C+N">N. Byrnes</a>, <a href="/search/nucl-ex?searchtype=author&query=C%C3%A1rcel%2C+S">S. C谩rcel</a>, <a href="/search/nucl-ex?searchtype=author&query=Carri%C3%B3n%2C+J+V">J. V. Carri贸n</a>, <a href="/search/nucl-ex?searchtype=author&query=Cebri%C3%A1n%2C+S">S. Cebri谩n</a>, <a href="/search/nucl-ex?searchtype=author&query=Church%2C+E">E. Church</a>, <a href="/search/nucl-ex?searchtype=author&query=Conde%2C+C+A+N">C. A. N. Conde</a>, <a href="/search/nucl-ex?searchtype=author&query=Contreras%2C+T">T. Contreras</a>, <a href="/search/nucl-ex?searchtype=author&query=Denisenko%2C+A+A">A. A. Denisenko</a>, <a href="/search/nucl-ex?searchtype=author&query=D%C3%ADaz%2C+G">G. D铆az</a>, <a href="/search/nucl-ex?searchtype=author&query=D%C3%ADaz%2C+J">J. D铆az</a>, <a href="/search/nucl-ex?searchtype=author&query=Escada%2C+J">J. Escada</a>, <a href="/search/nucl-ex?searchtype=author&query=Esteve%2C+R">R. Esteve</a>, <a href="/search/nucl-ex?searchtype=author&query=Felkai%2C+R">R. Felkai</a>, <a href="/search/nucl-ex?searchtype=author&query=Fernandes%2C+L+M+P">L. M. P. Fernandes</a>, <a href="/search/nucl-ex?searchtype=author&query=Ferrario%2C+P">P. Ferrario</a> , et al. (74 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2005.06467v2-abstract-short" style="display: inline;"> The Neutrino Experiment with a Xenon TPC (NEXT) searches for the neutrinoless double-beta decay of Xe-136 using high-pressure xenon gas TPCs with electroluminescent amplification. A scaled-up version of this technology with about 1 tonne of enriched xenon could reach in less than 5 years of operation a sensitivity to the half-life of neutrinoless double-beta decay decay better than 1E27 years, imp… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2005.06467v2-abstract-full').style.display = 'inline'; document.getElementById('2005.06467v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2005.06467v2-abstract-full" style="display: none;"> The Neutrino Experiment with a Xenon TPC (NEXT) searches for the neutrinoless double-beta decay of Xe-136 using high-pressure xenon gas TPCs with electroluminescent amplification. A scaled-up version of this technology with about 1 tonne of enriched xenon could reach in less than 5 years of operation a sensitivity to the half-life of neutrinoless double-beta decay decay better than 1E27 years, improving the current limits by at least one order of magnitude. This prediction is based on a well-understood background model dominated by radiogenic sources. The detector concept presented here represents a first step on a compelling path towards sensitivity to the parameter space defined by the inverted ordering of neutrino masses, and beyond. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2005.06467v2-abstract-full').style.display = 'none'; document.getElementById('2005.06467v2-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 February, 2021; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 13 May, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2020. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">22 pages, 11 figures</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1909.05860">arXiv:1909.05860</a> <span> [<a href="https://arxiv.org/pdf/1909.05860">pdf</a>, <a href="https://arxiv.org/format/1909.05860">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1748-0221/15/04/P04022">10.1088/1748-0221/15/04/P04022 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Radio Frequency and DC High Voltage Breakdown of High Pressure Helium, Argon, and Xenon </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Woodruff%2C+K">K. Woodruff</a>, <a href="/search/nucl-ex?searchtype=author&query=Baeza-Rubio%2C+J">J. Baeza-Rubio</a>, <a href="/search/nucl-ex?searchtype=author&query=Huerta%2C+D">D. Huerta</a>, <a href="/search/nucl-ex?searchtype=author&query=Jones%2C+B+J+P">B. J. P. Jones</a>, <a href="/search/nucl-ex?searchtype=author&query=McDonald%2C+A+D">A. D. McDonald</a>, <a href="/search/nucl-ex?searchtype=author&query=Norman%2C+L">L. Norman</a>, <a href="/search/nucl-ex?searchtype=author&query=Nygren%2C+D+R">D. R. Nygren</a>, <a href="/search/nucl-ex?searchtype=author&query=Adams%2C+C">C. Adams</a>, <a href="/search/nucl-ex?searchtype=author&query=%C3%81lvarez%2C+V">V. 脕lvarez</a>, <a href="/search/nucl-ex?searchtype=author&query=Arazi%2C+L">L. Arazi</a>, <a href="/search/nucl-ex?searchtype=author&query=Arnquist%2C+I+J">I. J. Arnquist</a>, <a href="/search/nucl-ex?searchtype=author&query=Azevedo%2C+C+D+R">C. D. R Azevedo</a>, <a href="/search/nucl-ex?searchtype=author&query=Bailey%2C+K">K. Bailey</a>, <a href="/search/nucl-ex?searchtype=author&query=Ballester%2C+F">F. Ballester</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlloch-Rodr%C3%ADguez%2C+J+M">J. M. Benlloch-Rodr铆guez</a>, <a href="/search/nucl-ex?searchtype=author&query=Borges%2C+F+I+G+M">F. I. G. M. Borges</a>, <a href="/search/nucl-ex?searchtype=author&query=Byrnes%2C+N+K">N. K. Byrnes</a>, <a href="/search/nucl-ex?searchtype=author&query=C%C3%A1rcel%2C+S">S. C谩rcel</a>, <a href="/search/nucl-ex?searchtype=author&query=Carri%C3%B3n%2C+J+V">J. V. Carri贸n</a>, <a href="/search/nucl-ex?searchtype=author&query=Cebri%C3%A1n%2C+S">S. Cebri谩n</a>, <a href="/search/nucl-ex?searchtype=author&query=Church%2C+E">E. Church</a>, <a href="/search/nucl-ex?searchtype=author&query=Conde%2C+C+A+N">C. A. N. Conde</a>, <a href="/search/nucl-ex?searchtype=author&query=Contreras%2C+T">T. Contreras</a>, <a href="/search/nucl-ex?searchtype=author&query=Denisenko%2C+A+A">A. A. Denisenko</a>, <a href="/search/nucl-ex?searchtype=author&query=D%C3%ADaz%2C+G">G. D铆az</a> , et al. (69 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="1909.05860v3-abstract-short" style="display: inline;"> Motivated by the possibility of guiding daughter ions from double beta decay events to single-ion sensors for barium tagging, the NEXT collaboration is developing a program of R&D to test radio frequency (RF) carpets for ion transport in high pressure xenon gas. This would require carpet functionality in regimes at higher pressures than have been previously reported, implying correspondingly large… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1909.05860v3-abstract-full').style.display = 'inline'; document.getElementById('1909.05860v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1909.05860v3-abstract-full" style="display: none;"> Motivated by the possibility of guiding daughter ions from double beta decay events to single-ion sensors for barium tagging, the NEXT collaboration is developing a program of R&D to test radio frequency (RF) carpets for ion transport in high pressure xenon gas. This would require carpet functionality in regimes at higher pressures than have been previously reported, implying correspondingly larger electrode voltages than in existing systems. This mode of operation appears plausible for contemporary RF-carpet geometries due to the higher predicted breakdown strength of high pressure xenon relative to low pressure helium, the working medium in most existing RF carpet devices. In this paper we present the first measurements of the high voltage dielectric strength of xenon gas at high pressure and at the relevant RF frequencies for ion transport (in the 10 MHz range), as well as new DC and RF measurements of the dielectric strengths of high pressure argon and helium gases at small gap sizes. We find breakdown voltages that are compatible with stable RF carpet operation given the gas, pressure, voltage, materials and geometry of interest. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1909.05860v3-abstract-full').style.display = 'none'; document.getElementById('1909.05860v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 23 April, 2020; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 12 September, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2019. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1902.05544">arXiv:1902.05544</a> <span> [<a href="https://arxiv.org/pdf/1902.05544">pdf</a>, <a href="https://arxiv.org/format/1902.05544">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1748-0221/14/08/P08009">10.1088/1748-0221/14/08/P08009 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Electron Drift and Longitudinal Diffusion in High Pressure Xenon-Helium Gas Mixtures </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=McDonald%2C+A+D">A. D. McDonald</a>, <a href="/search/nucl-ex?searchtype=author&query=Woodruff%2C+K">K. Woodruff</a>, <a href="/search/nucl-ex?searchtype=author&query=Atoum%2C+B+A">B. Al Atoum</a>, <a href="/search/nucl-ex?searchtype=author&query=Gonz%C3%A1lez-D%C3%ADaz%2C+D">D. Gonz谩lez-D铆az</a>, <a href="/search/nucl-ex?searchtype=author&query=Jones%2C+B+J+P">B. J. P. Jones</a>, <a href="/search/nucl-ex?searchtype=author&query=Adams%2C+C">C. Adams</a>, <a href="/search/nucl-ex?searchtype=author&query=%C3%81lvarez%2C+V">V. 脕lvarez</a>, <a href="/search/nucl-ex?searchtype=author&query=Arazi%2C+L">L. Arazi</a>, <a href="/search/nucl-ex?searchtype=author&query=Arnquist%2C+I+J">I. J. Arnquist</a>, <a href="/search/nucl-ex?searchtype=author&query=Azevedo%2C+C+D+R">C. D. R Azevedo</a>, <a href="/search/nucl-ex?searchtype=author&query=Bailey%2C+K">K. Bailey</a>, <a href="/search/nucl-ex?searchtype=author&query=Ballester%2C+F">F. Ballester</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlloch-Rodr%C3%ADguez%2C+J+M">J. M. Benlloch-Rodr铆guez</a>, <a href="/search/nucl-ex?searchtype=author&query=Borges%2C+F+I+G+M">F. I. G. M. Borges</a>, <a href="/search/nucl-ex?searchtype=author&query=C%C3%A1rcel%2C+S">S. C谩rcel</a>, <a href="/search/nucl-ex?searchtype=author&query=Carri%C3%B3n%2C+J+V">J. V. Carri贸n</a>, <a href="/search/nucl-ex?searchtype=author&query=Cebri%C3%A1n%2C+S">S. Cebri谩n</a>, <a href="/search/nucl-ex?searchtype=author&query=Church%2C+E">E. Church</a>, <a href="/search/nucl-ex?searchtype=author&query=Conde%2C+C+A+N">C. A. N. Conde</a>, <a href="/search/nucl-ex?searchtype=author&query=D%C3%ADaz%2C+G">G. D铆az</a>, <a href="/search/nucl-ex?searchtype=author&query=D%C3%ADaz%2C+J">J. D铆az</a>, <a href="/search/nucl-ex?searchtype=author&query=Diesburg%2C+M">M. Diesburg</a>, <a href="/search/nucl-ex?searchtype=author&query=Escada%2C+J">J. Escada</a>, <a href="/search/nucl-ex?searchtype=author&query=Esteve%2C+R">R. Esteve</a>, <a href="/search/nucl-ex?searchtype=author&query=Felkai%2C+R">R. Felkai</a> , et al. (61 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1902.05544v4-abstract-short" style="display: inline;"> We report new measurements of the drift velocity and longitudinal diffusion coefficients of electrons in pure xenon gas and in xenon-helium gas mixtures at 1-9 bar and electric field strengths of 50-300 V/cm. In pure xenon we find excellent agreement with world data at all $E/P$, for both drift velocity and diffusion coefficients. However, a larger value of the longitudinal diffusion coefficient t… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1902.05544v4-abstract-full').style.display = 'inline'; document.getElementById('1902.05544v4-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1902.05544v4-abstract-full" style="display: none;"> We report new measurements of the drift velocity and longitudinal diffusion coefficients of electrons in pure xenon gas and in xenon-helium gas mixtures at 1-9 bar and electric field strengths of 50-300 V/cm. In pure xenon we find excellent agreement with world data at all $E/P$, for both drift velocity and diffusion coefficients. However, a larger value of the longitudinal diffusion coefficient than theoretical predictions is found at low $E/P$ in pure xenon, below the range of reduced fields usually probed by TPC experiments. A similar effect is observed in xenon-helium gas mixtures at somewhat larger $E/P$. Drift velocities in xenon-helium mixtures are found to be theoretically well predicted. Although longitudinal diffusion in xenon-helium mixtures is found to be larger than anticipated, extrapolation based on the measured longitudinal diffusion coefficients suggest that the use of helium additives to reduce transverse diffusion in xenon gas remains a promising prospect. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1902.05544v4-abstract-full').style.display = 'none'; document.getElementById('1902.05544v4-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 26 June, 2019; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 14 February, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2019. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1812.05679">arXiv:1812.05679</a> <span> [<a href="https://arxiv.org/pdf/1812.05679">pdf</a>, <a href="https://arxiv.org/format/1812.05679">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Data Analysis, Statistics and Probability">physics.data-an</span> </div> </div> <p class="title is-5 mathjax"> Rejecting cosmic background for exclusive neutrino interaction studies with Liquid Argon TPCs; a case study with the MicroBooNE detector </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=MicroBooNE+collaboration"> MicroBooNE collaboration</a>, <a href="/search/nucl-ex?searchtype=author&query=Adams%2C+C">C. Adams</a>, <a href="/search/nucl-ex?searchtype=author&query=Alrashed%2C+M">M. Alrashed</a>, <a href="/search/nucl-ex?searchtype=author&query=An%2C+R">R. An</a>, <a href="/search/nucl-ex?searchtype=author&query=Anthony%2C+J">J. Anthony</a>, <a href="/search/nucl-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/nucl-ex?searchtype=author&query=Ashkenazi%2C+A">A. Ashkenazi</a>, <a href="/search/nucl-ex?searchtype=author&query=Auger%2C+M">M. Auger</a>, <a href="/search/nucl-ex?searchtype=author&query=Balasubramanian%2C+S">S. Balasubramanian</a>, <a href="/search/nucl-ex?searchtype=author&query=Baller%2C+B">B. Baller</a>, <a href="/search/nucl-ex?searchtype=author&query=Barnes%2C+C">C. Barnes</a>, <a href="/search/nucl-ex?searchtype=author&query=Barr%2C+G">G. Barr</a>, <a href="/search/nucl-ex?searchtype=author&query=Bass%2C+M">M. Bass</a>, <a href="/search/nucl-ex?searchtype=author&query=Bay%2C+F">F. Bay</a>, <a href="/search/nucl-ex?searchtype=author&query=Bhat%2C+A">A. Bhat</a>, <a href="/search/nucl-ex?searchtype=author&query=Bhattacharya%2C+K">K. Bhattacharya</a>, <a href="/search/nucl-ex?searchtype=author&query=Bishai%2C+M">M. Bishai</a>, <a href="/search/nucl-ex?searchtype=author&query=Blake%2C+A">A. Blake</a>, <a href="/search/nucl-ex?searchtype=author&query=Bolton%2C+T">T. Bolton</a>, <a href="/search/nucl-ex?searchtype=author&query=Camilleri%2C+L">L. Camilleri</a>, <a href="/search/nucl-ex?searchtype=author&query=Caratelli%2C+D">D. Caratelli</a>, <a href="/search/nucl-ex?searchtype=author&query=Terrazas%2C+I+C">I. Caro Terrazas</a>, <a href="/search/nucl-ex?searchtype=author&query=Carr%2C+R">R. Carr</a>, <a href="/search/nucl-ex?searchtype=author&query=Fernandez%2C+R+C">R. Castillo Fernandez</a>, <a href="/search/nucl-ex?searchtype=author&query=Cavanna%2C+F">F. Cavanna</a> , et al. (150 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="1812.05679v2-abstract-short" style="display: inline;"> Cosmic ray (CR) interactions can be a challenging source of background for neutrino oscillation and cross-section measurements in surface detectors. We present methods for CR rejection in measurements of charged-current quasielastic-like (CCQE-like) neutrino interactions, with a muon and a proton in the final state, measured using liquid argon time projection chambers (LArTPCs). Using a sample of… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1812.05679v2-abstract-full').style.display = 'inline'; document.getElementById('1812.05679v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1812.05679v2-abstract-full" style="display: none;"> Cosmic ray (CR) interactions can be a challenging source of background for neutrino oscillation and cross-section measurements in surface detectors. We present methods for CR rejection in measurements of charged-current quasielastic-like (CCQE-like) neutrino interactions, with a muon and a proton in the final state, measured using liquid argon time projection chambers (LArTPCs). Using a sample of cosmic data collected with the MicroBooNE detector, mixed with simulated neutrino scattering events, a set of event selection criteria is developed that produces an event sample with minimal contribution from CR background. Depending on the selection criteria used a purity between 50% and 80% can be achieved with a signal selection efficiency between 50% and 25%, with higher purity coming at the expense of lower efficiency. While using a specific dataset from the MicroBooNE detector and selection criteria values optimized for CCQE-like events, the concepts presented here are generic and can be adapted for various studies of exclusive 谓渭 interactions in LArTPCs. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1812.05679v2-abstract-full').style.display = 'none'; document.getElementById('1812.05679v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 2 January, 2019; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 9 December, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2018. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">12 pages, 10 figures, 1 table</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-18-677-E </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1804.02583">arXiv:1804.02583</a> <span> [<a href="https://arxiv.org/pdf/1804.02583">pdf</a>, <a href="https://arxiv.org/format/1804.02583">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1748-0221/13/07/P07007">10.1088/1748-0221/13/07/P07007 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Ionization Electron Signal Processing in Single Phase LArTPCs II. Data/Simulation Comparison and Performance in MicroBooNE </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=MicroBooNE+collaboration"> MicroBooNE collaboration</a>, <a href="/search/nucl-ex?searchtype=author&query=Adams%2C+C">C. Adams</a>, <a href="/search/nucl-ex?searchtype=author&query=An%2C+R">R. An</a>, <a href="/search/nucl-ex?searchtype=author&query=Anthony%2C+J">J. Anthony</a>, <a href="/search/nucl-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/nucl-ex?searchtype=author&query=Auger%2C+M">M. Auger</a>, <a href="/search/nucl-ex?searchtype=author&query=Balasubramanian%2C+S">S. Balasubramanian</a>, <a href="/search/nucl-ex?searchtype=author&query=Baller%2C+B">B. Baller</a>, <a href="/search/nucl-ex?searchtype=author&query=Barnes%2C+C">C. Barnes</a>, <a href="/search/nucl-ex?searchtype=author&query=Barr%2C+G">G. Barr</a>, <a href="/search/nucl-ex?searchtype=author&query=Bass%2C+M">M. Bass</a>, <a href="/search/nucl-ex?searchtype=author&query=Bay%2C+F">F. Bay</a>, <a href="/search/nucl-ex?searchtype=author&query=Bhat%2C+A">A. Bhat</a>, <a href="/search/nucl-ex?searchtype=author&query=Bhattacharya%2C+K">K. Bhattacharya</a>, <a href="/search/nucl-ex?searchtype=author&query=Bishai%2C+M">M. Bishai</a>, <a href="/search/nucl-ex?searchtype=author&query=Blake%2C+A">A. Blake</a>, <a href="/search/nucl-ex?searchtype=author&query=Bolton%2C+T">T. Bolton</a>, <a href="/search/nucl-ex?searchtype=author&query=Camilleri%2C+L">L. Camilleri</a>, <a href="/search/nucl-ex?searchtype=author&query=Caratelli%2C+D">D. Caratelli</a>, <a href="/search/nucl-ex?searchtype=author&query=Carr%2C+R">R. Carr</a>, <a href="/search/nucl-ex?searchtype=author&query=Terrazas%2C+I+C">I. Caro Terrazas</a>, <a href="/search/nucl-ex?searchtype=author&query=Fernandez%2C+R+C">R. Castillo Fernandez</a>, <a href="/search/nucl-ex?searchtype=author&query=Cavanna%2C+F">F. Cavanna</a>, <a href="/search/nucl-ex?searchtype=author&query=Cerati%2C+G">G. Cerati</a>, <a href="/search/nucl-ex?searchtype=author&query=Chen%2C+H">H. Chen</a> , et al. (146 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="1804.02583v3-abstract-short" style="display: inline;"> The single-phase liquid argon time projection chamber (LArTPC) provides a large amount of detailed information in the form of fine-grained drifted ionization charge from particle traces. To fully utilize this information, the deposited charge must be accurately extracted from the raw digitized waveforms via a robust signal processing chain. Enabled by the ultra-low noise levels associated with cry… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1804.02583v3-abstract-full').style.display = 'inline'; document.getElementById('1804.02583v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1804.02583v3-abstract-full" style="display: none;"> The single-phase liquid argon time projection chamber (LArTPC) provides a large amount of detailed information in the form of fine-grained drifted ionization charge from particle traces. To fully utilize this information, the deposited charge must be accurately extracted from the raw digitized waveforms via a robust signal processing chain. Enabled by the ultra-low noise levels associated with cryogenic electronics in the MicroBooNE detector, the precise extraction of ionization charge from the induction wire planes in a single-phase LArTPC is qualitatively demonstrated on MicroBooNE data with event display images, and quantitatively demonstrated via waveform-level and track-level metrics. Improved performance of induction plane calorimetry is demonstrated through the agreement of extracted ionization charge measurements across different wire planes for various event topologies. In addition to the comprehensive waveform-level comparison of data and simulation, a calibration of the cryogenic electronics response is presented and solutions to various MicroBooNE-specific TPC issues are discussed. This work presents an important improvement in LArTPC signal processing, the foundation of reconstruction and therefore physics analyses in MicroBooNE. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1804.02583v3-abstract-full').style.display = 'none'; document.getElementById('1804.02583v3-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, 2018; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 7 April, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2018. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">54 pages, 36 figures; the first part of this work can be found at arXiv:1802.08709</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> JINST 13 P07007 (2018) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1804.01680">arXiv:1804.01680</a> <span> [<a href="https://arxiv.org/pdf/1804.01680">pdf</a>, <a href="https://arxiv.org/format/1804.01680">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1748-0221/13/07/P07013">10.1088/1748-0221/13/07/P07013 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Electron drift properties in high pressure gaseous xenon </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=NEXT+Collaboration"> NEXT Collaboration</a>, <a href="/search/nucl-ex?searchtype=author&query=Sim%C3%B3n%2C+A">A. Sim贸n</a>, <a href="/search/nucl-ex?searchtype=author&query=Felkai%2C+R">R. Felkai</a>, <a href="/search/nucl-ex?searchtype=author&query=Mart%C3%ADnez-Lema%2C+G">G. Mart铆nez-Lema</a>, <a href="/search/nucl-ex?searchtype=author&query=Monrabal%2C+F">F. Monrabal</a>, <a href="/search/nucl-ex?searchtype=author&query=Gonz%C3%A1lez-D%C3%ADaz%2C+D">D. Gonz谩lez-D铆az</a>, <a href="/search/nucl-ex?searchtype=author&query=Sorel%2C+M">M. Sorel</a>, <a href="/search/nucl-ex?searchtype=author&query=Morata%2C+J+A+H">J. A. Hernando Morata</a>, <a href="/search/nucl-ex?searchtype=author&query=G%C3%B3mez-Cadenas%2C+J+J">J. J. G贸mez-Cadenas</a>, <a href="/search/nucl-ex?searchtype=author&query=Adams%2C+C">C. Adams</a>, <a href="/search/nucl-ex?searchtype=author&query=%C3%81lvarez%2C+V">V. 脕lvarez</a>, <a href="/search/nucl-ex?searchtype=author&query=Arazi%2C+L">L. Arazi</a>, <a href="/search/nucl-ex?searchtype=author&query=Azevedo%2C+C+D+R">C. D. R. Azevedo</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlloch-Rodr%C3%ADguez%2C+J+M">J. M. Benlloch-Rodr铆guez</a>, <a href="/search/nucl-ex?searchtype=author&query=Borges%2C+F+I+G+M">F. I. G. M. Borges</a>, <a href="/search/nucl-ex?searchtype=author&query=Botas%2C+A">A. Botas</a>, <a href="/search/nucl-ex?searchtype=author&query=C%C3%A1rcel%2C+S">S. C谩rcel</a>, <a href="/search/nucl-ex?searchtype=author&query=Carri%C3%B3n%2C+J+V">J. V. Carri贸n</a>, <a href="/search/nucl-ex?searchtype=author&query=Cebri%C3%A1n%2C+S">S. Cebri谩n</a>, <a href="/search/nucl-ex?searchtype=author&query=Conde%2C+C+A+N">C. A. N. Conde</a>, <a href="/search/nucl-ex?searchtype=author&query=D%C3%ADaz%2C+J">J. D铆az</a>, <a href="/search/nucl-ex?searchtype=author&query=Diesburg%2C+M">M. Diesburg</a>, <a href="/search/nucl-ex?searchtype=author&query=Escada%2C+J">J. Escada</a>, <a href="/search/nucl-ex?searchtype=author&query=Esteve%2C+R">R. Esteve</a>, <a href="/search/nucl-ex?searchtype=author&query=Fernandes%2C+L+M+P">L. M. P. Fernandes</a> , et al. (51 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="1804.01680v3-abstract-short" style="display: inline;"> Gaseous time projection chambers (TPC) are a very attractive detector technology for particle tracking. Characterization of both drift velocity and diffusion is of great importance to correctly assess their tracking capabilities. NEXT-White is a High Pressure Xenon gas TPC with electroluminescent amplification, a 1:2 scale model of the future NEXT-100 detector, which will be dedicated to neutrinol… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1804.01680v3-abstract-full').style.display = 'inline'; document.getElementById('1804.01680v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1804.01680v3-abstract-full" style="display: none;"> Gaseous time projection chambers (TPC) are a very attractive detector technology for particle tracking. Characterization of both drift velocity and diffusion is of great importance to correctly assess their tracking capabilities. NEXT-White is a High Pressure Xenon gas TPC with electroluminescent amplification, a 1:2 scale model of the future NEXT-100 detector, which will be dedicated to neutrinoless double beta decay searches. NEXT-White has been operating at Canfranc Underground Laboratory (LSC) since December 2016. The drift parameters have been measured using $^{83m}$Kr for a range of reduced drift fields at two different pressure regimes, namely 7.2 bar and 9.1 bar. The results have been compared with Magboltz simulations. Agreement at the 5% level or better has been found for drift velocity, longitudinal diffusion and transverse diffusion. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1804.01680v3-abstract-full').style.display = 'none'; document.getElementById('1804.01680v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 28 May, 2018; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 5 April, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2018. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">22 pages, 17 figures</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1804.00471">arXiv:1804.00471</a> <span> [<a href="https://arxiv.org/pdf/1804.00471">pdf</a>, <a href="https://arxiv.org/format/1804.00471">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> </div> <p class="title is-5 mathjax"> Measurement of radon-induced backgrounds in the NEXT double beta decay experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=NEXT+Collaboration"> NEXT Collaboration</a>, <a href="/search/nucl-ex?searchtype=author&query=Novella%2C+P">P. Novella</a>, <a href="/search/nucl-ex?searchtype=author&query=Palmeiro%2C+B">B. Palmeiro</a>, <a href="/search/nucl-ex?searchtype=author&query=Sim%C3%B3n%2C+A">A. Sim贸n</a>, <a href="/search/nucl-ex?searchtype=author&query=Sorel%2C+M">M. Sorel</a>, <a href="/search/nucl-ex?searchtype=author&query=Adams%2C+C">C. Adams</a>, <a href="/search/nucl-ex?searchtype=author&query=Ferrario%2C+P">P. Ferrario</a>, <a href="/search/nucl-ex?searchtype=author&query=Mart%C3%ADnez-Lema%2C+G">G. Mart铆nez-Lema</a>, <a href="/search/nucl-ex?searchtype=author&query=Monrabal%2C+F">F. Monrabal</a>, <a href="/search/nucl-ex?searchtype=author&query=Zuzel%2C+G">G. Zuzel</a>, <a href="/search/nucl-ex?searchtype=author&query=G%C3%B3mez-Cadenas%2C+J+J">J. J. G贸mez-Cadenas</a>, <a href="/search/nucl-ex?searchtype=author&query=%C3%81lvarez%2C+V">V. 脕lvarez</a>, <a href="/search/nucl-ex?searchtype=author&query=Arazi%2C+L">L. Arazi</a>, <a href="/search/nucl-ex?searchtype=author&query=Azevedo%2C+C+D+R">C. D. R Azevedo</a>, <a href="/search/nucl-ex?searchtype=author&query=Bailey%2C+K">K. Bailey</a>, <a href="/search/nucl-ex?searchtype=author&query=Ballester%2C+F">F. Ballester</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlloch-Rodr%C3%ADguez%2C+J+M">J. M. Benlloch-Rodr铆guez</a>, <a href="/search/nucl-ex?searchtype=author&query=Borges%2C+F+I+G+M">F. I. G. M. Borges</a>, <a href="/search/nucl-ex?searchtype=author&query=Botas%2C+A">A. Botas</a>, <a href="/search/nucl-ex?searchtype=author&query=C%C3%A1rcel%2C+S">S. C谩rcel</a>, <a href="/search/nucl-ex?searchtype=author&query=Carri%C3%B3n%2C+J+V">J. V. Carri贸n</a>, <a href="/search/nucl-ex?searchtype=author&query=Cebri%C3%A1n%2C+S">S. Cebri谩n</a>, <a href="/search/nucl-ex?searchtype=author&query=Conde%2C+C+A+N">C. A. N. Conde</a>, <a href="/search/nucl-ex?searchtype=author&query=D%C3%ADaz%2C+J">J. D铆az</a>, <a href="/search/nucl-ex?searchtype=author&query=Diesburg%2C+M">M. Diesburg</a> , et al. (57 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="1804.00471v3-abstract-short" style="display: inline;"> The measurement of the internal $^{222}$Rn activity in the NEXT-White detector during the so-called Run-II period with $^{136}$Xe-depleted xenon is discussed in detail, together with its implications for double beta decay searches in NEXT. The activity is measured through the alpha production rate induced in the fiducial volume by $^{222}$Rn and its alpha-emitting progeny. The specific activity is… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1804.00471v3-abstract-full').style.display = 'inline'; document.getElementById('1804.00471v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1804.00471v3-abstract-full" style="display: none;"> The measurement of the internal $^{222}$Rn activity in the NEXT-White detector during the so-called Run-II period with $^{136}$Xe-depleted xenon is discussed in detail, together with its implications for double beta decay searches in NEXT. The activity is measured through the alpha production rate induced in the fiducial volume by $^{222}$Rn and its alpha-emitting progeny. The specific activity is measured to be $(38.1\pm 2.2~\mathrm{(stat.)}\pm 5.9~\mathrm{(syst.)})$~mBq/m$^3$. Radon-induced electrons have also been characterized from the decay of the $^{214}$Bi daughter ions plating out on the cathode of the time projection chamber. From our studies, we conclude that radon-induced backgrounds are sufficiently low to enable a successful NEXT-100 physics program, as the projected rate contribution should not exceed 0.1~counts/yr in the neutrinoless double beta decay sample. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1804.00471v3-abstract-full').style.display = 'none'; document.getElementById('1804.00471v3-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 October, 2018; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 2 April, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2018. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">28 pages, 10 figures, 6 tables. Version accepted for publication in JHEP</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1802.08709">arXiv:1802.08709</a> <span> [<a href="https://arxiv.org/pdf/1802.08709">pdf</a>, <a href="https://arxiv.org/format/1802.08709">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1748-0221/13/07/P07006">10.1088/1748-0221/13/07/P07006 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Ionization Electron Signal Processing in Single Phase LArTPCs I. Algorithm Description and Quantitative Evaluation with MicroBooNE Simulation </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=MicroBooNE+collaboration"> MicroBooNE collaboration</a>, <a href="/search/nucl-ex?searchtype=author&query=Adams%2C+C">C. Adams</a>, <a href="/search/nucl-ex?searchtype=author&query=An%2C+R">R. An</a>, <a href="/search/nucl-ex?searchtype=author&query=Anthony%2C+J">J. Anthony</a>, <a href="/search/nucl-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/nucl-ex?searchtype=author&query=Auger%2C+M">M. Auger</a>, <a href="/search/nucl-ex?searchtype=author&query=Bagby%2C+L">L. Bagby</a>, <a href="/search/nucl-ex?searchtype=author&query=Balasubramanian%2C+S">S. Balasubramanian</a>, <a href="/search/nucl-ex?searchtype=author&query=Baller%2C+B">B. Baller</a>, <a href="/search/nucl-ex?searchtype=author&query=Barnes%2C+C">C. Barnes</a>, <a href="/search/nucl-ex?searchtype=author&query=Barr%2C+G">G. Barr</a>, <a href="/search/nucl-ex?searchtype=author&query=Bass%2C+M">M. Bass</a>, <a href="/search/nucl-ex?searchtype=author&query=Bay%2C+F">F. Bay</a>, <a href="/search/nucl-ex?searchtype=author&query=Bhat%2C+A">A. Bhat</a>, <a href="/search/nucl-ex?searchtype=author&query=Bhattacharya%2C+K">K. Bhattacharya</a>, <a href="/search/nucl-ex?searchtype=author&query=Bishai%2C+M">M. Bishai</a>, <a href="/search/nucl-ex?searchtype=author&query=Blake%2C+A">A. Blake</a>, <a href="/search/nucl-ex?searchtype=author&query=Bolton%2C+T">T. Bolton</a>, <a href="/search/nucl-ex?searchtype=author&query=Camilleri%2C+L">L. Camilleri</a>, <a href="/search/nucl-ex?searchtype=author&query=Caratelli%2C+D">D. Caratelli</a>, <a href="/search/nucl-ex?searchtype=author&query=Fernandez%2C+R+C">R. Castillo Fernandez</a>, <a href="/search/nucl-ex?searchtype=author&query=Cavanna%2C+F">F. Cavanna</a>, <a href="/search/nucl-ex?searchtype=author&query=Cerati%2C+G">G. Cerati</a>, <a href="/search/nucl-ex?searchtype=author&query=Chen%2C+H">H. Chen</a>, <a href="/search/nucl-ex?searchtype=author&query=Chen%2C+Y">Y. Chen</a> , et al. (144 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="1802.08709v3-abstract-short" style="display: inline;"> We describe the concept and procedure of drifted-charge extraction developed in the MicroBooNE experiment, a single-phase liquid argon time projection chamber (LArTPC). This technique converts the raw digitized TPC waveform to the number of ionization electrons passing through a wire plane at a given time. A robust recovery of the number of ionization electrons from both induction and collection a… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1802.08709v3-abstract-full').style.display = 'inline'; document.getElementById('1802.08709v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1802.08709v3-abstract-full" style="display: none;"> We describe the concept and procedure of drifted-charge extraction developed in the MicroBooNE experiment, a single-phase liquid argon time projection chamber (LArTPC). This technique converts the raw digitized TPC waveform to the number of ionization electrons passing through a wire plane at a given time. A robust recovery of the number of ionization electrons from both induction and collection anode wire planes will augment the 3D reconstruction, and is particularly important for tomographic reconstruction algorithms. A number of building blocks of the overall procedure are described. The performance of the signal processing is quantitatively evaluated by comparing extracted charge with the true charge through a detailed TPC detector simulation taking into account position-dependent induced current inside a single wire region and across multiple wires. Some areas for further improvement of the performance of the charge extraction procedure are also discussed. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1802.08709v3-abstract-full').style.display = 'none'; document.getElementById('1802.08709v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 9 April, 2018; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 23 February, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2018. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">60 pages, 36 figures. The second part of this work can be found at arXiv:1804.02583</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> JINST 13 P07006 (2018) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1711.04782">arXiv:1711.04782</a> <span> [<a href="https://arxiv.org/pdf/1711.04782">pdf</a>, <a href="https://arxiv.org/format/1711.04782">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevLett.120.132504">10.1103/PhysRevLett.120.132504 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Demonstration of Single Barium Ion Sensitivity for Neutrinoless Double Beta Decay using Single Molecule Fluorescence Imaging </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=McDonald%2C+A+D">A. D. McDonald</a>, <a href="/search/nucl-ex?searchtype=author&query=Jones%2C+B+J+P">B. J. P. Jones</a>, <a href="/search/nucl-ex?searchtype=author&query=Nygren%2C+D+R">D. R. Nygren</a>, <a href="/search/nucl-ex?searchtype=author&query=Adams%2C+C">C. Adams</a>, <a href="/search/nucl-ex?searchtype=author&query=Alvarez%2C+V">V. Alvarez</a>, <a href="/search/nucl-ex?searchtype=author&query=Azevedo%2C+C+D+R">C. D. R. Azevedo</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlloch-Rodr%C4%B1guez%2C+J+M">J. M. Benlloch-Rodr谋guez</a>, <a href="/search/nucl-ex?searchtype=author&query=Borges%2C+F+I+G+M">F. I. G. M. Borges</a>, <a href="/search/nucl-ex?searchtype=author&query=Botas%2C+A">A. Botas</a>, <a href="/search/nucl-ex?searchtype=author&query=Carcel%2C+S">S. Carcel</a>, <a href="/search/nucl-ex?searchtype=author&query=Carrion%2C+J+V">J. V. Carrion</a>, <a href="/search/nucl-ex?searchtype=author&query=Cebrian%2C+S">S. Cebrian</a>, <a href="/search/nucl-ex?searchtype=author&query=Conde%2C+C+A+N">C. A. N. Conde</a>, <a href="/search/nucl-ex?searchtype=author&query=D%C4%B1az%2C+J">J. D谋az</a>, <a href="/search/nucl-ex?searchtype=author&query=Diesburg%2C+M">M. Diesburg</a>, <a href="/search/nucl-ex?searchtype=author&query=Escada%2C+J">J. Escada</a>, <a href="/search/nucl-ex?searchtype=author&query=Esteve%2C+R">R. Esteve</a>, <a href="/search/nucl-ex?searchtype=author&query=Felkai%2C+R">R. Felkai</a>, <a href="/search/nucl-ex?searchtype=author&query=Fernandes%2C+L+M+P">L. M. P. Fernandes</a>, <a href="/search/nucl-ex?searchtype=author&query=Ferrario%2C+P">P. Ferrario</a>, <a href="/search/nucl-ex?searchtype=author&query=Ferreira%2C+A+L">A. L. Ferreira</a>, <a href="/search/nucl-ex?searchtype=author&query=Freitas%2C+E+D+C">E. D. C. Freitas</a>, <a href="/search/nucl-ex?searchtype=author&query=Goldschmidt%2C+A">A. Goldschmidt</a>, <a href="/search/nucl-ex?searchtype=author&query=Gomez-Cadenas%2C+J+J">J. J. Gomez-Cadenas</a>, <a href="/search/nucl-ex?searchtype=author&query=Gonzalez-D%C4%B1az%2C+D">D. Gonzalez-D谋az</a> , et al. (49 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="1711.04782v3-abstract-short" style="display: inline;"> A new method to tag the barium daughter in the double beta decay of $^{136}$Xe is reported. Using the technique of single molecule fluorescent imaging (SMFI), individual barium dication (Ba$^{++}$) resolution at a transparent scanning surface has been demonstrated. A single-step photo-bleach confirms the single ion interpretation. Individual ions are localized with super-resolution ($\sim$2~nm), a… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1711.04782v3-abstract-full').style.display = 'inline'; document.getElementById('1711.04782v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1711.04782v3-abstract-full" style="display: none;"> A new method to tag the barium daughter in the double beta decay of $^{136}$Xe is reported. Using the technique of single molecule fluorescent imaging (SMFI), individual barium dication (Ba$^{++}$) resolution at a transparent scanning surface has been demonstrated. A single-step photo-bleach confirms the single ion interpretation. Individual ions are localized with super-resolution ($\sim$2~nm), and detected with a statistical significance of 12.9~$蟽$ over backgrounds. This lays the foundation for a new and potentially background-free neutrinoless double beta decay technology, based on SMFI coupled to high pressure xenon gas time projection chambers. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1711.04782v3-abstract-full').style.display = 'none'; document.getElementById('1711.04782v3-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 February, 2018; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 13 November, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2017. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Accepted by PRL</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 120, 132504 (2018) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1710.05600">arXiv:1710.05600</a> <span> [<a href="https://arxiv.org/pdf/1710.05600">pdf</a>, <a href="https://arxiv.org/format/1710.05600">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.nima.2018.07.013">10.1016/j.nima.2018.07.013 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Helium-Xenon mixtures to improve topological signature in high pressure gas Xenon TPCs </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Felkai%2C+R">R. Felkai</a>, <a href="/search/nucl-ex?searchtype=author&query=Monrabal%2C+F">F. Monrabal</a>, <a href="/search/nucl-ex?searchtype=author&query=Gonzalez-D%C3%ADaz%2C+D">D. Gonzalez-D铆az</a>, <a href="/search/nucl-ex?searchtype=author&query=Sorel%2C+M">M. Sorel</a>, <a href="/search/nucl-ex?searchtype=author&query=L%C3%B3pez-March%2C+N">N. L贸pez-March</a>, <a href="/search/nucl-ex?searchtype=author&query=G%C3%B3mez-Cadenas%2C+J+J">J. J. G贸mez-Cadenas</a>, <a href="/search/nucl-ex?searchtype=author&query=Adams%2C+C">C. Adams</a>, <a href="/search/nucl-ex?searchtype=author&query=%C3%81lvarez%2C+V">V. 脕lvarez</a>, <a href="/search/nucl-ex?searchtype=author&query=Arazi%2C+L">L. Arazi</a>, <a href="/search/nucl-ex?searchtype=author&query=Azevedo%2C+C+D+R">C. D. R. Azevedo</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlloch-Rodr%C3%ADguez%2C+J+M">J. M. Benlloch-Rodr铆guez</a>, <a href="/search/nucl-ex?searchtype=author&query=Borges%2C+F+I+G+M">F. I. G. M. Borges</a>, <a href="/search/nucl-ex?searchtype=author&query=Botas%2C+A">A. Botas</a>, <a href="/search/nucl-ex?searchtype=author&query=C%C3%A1rcel%2C+S">S. C谩rcel</a>, <a href="/search/nucl-ex?searchtype=author&query=Carri%C3%B3n%2C+J+V">J. V. Carri贸n</a>, <a href="/search/nucl-ex?searchtype=author&query=Cebri%C3%A1n%2C+S">S. Cebri谩n</a>, <a href="/search/nucl-ex?searchtype=author&query=Conde%2C+C+A+N">C. A. N. Conde</a>, <a href="/search/nucl-ex?searchtype=author&query=D%C3%ADaz%2C+J">J. D铆az</a>, <a href="/search/nucl-ex?searchtype=author&query=Diesburg%2C+M">M. Diesburg</a>, <a href="/search/nucl-ex?searchtype=author&query=Escada%2C+J">J. Escada</a>, <a href="/search/nucl-ex?searchtype=author&query=Esteve%2C+R">R. Esteve</a>, <a href="/search/nucl-ex?searchtype=author&query=Fernandes%2C+L+M+P">L. M. P. Fernandes</a>, <a href="/search/nucl-ex?searchtype=author&query=Ferrario%2C+P">P. Ferrario</a>, <a href="/search/nucl-ex?searchtype=author&query=Ferreira%2C+A+L">A. L. Ferreira</a>, <a href="/search/nucl-ex?searchtype=author&query=Freitas%2C+E+D+C">E. D. C. Freitas</a> , et al. (50 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="1710.05600v4-abstract-short" style="display: inline;"> Within the framework of xenon-based double beta decay experiments, we propose the possibility to improve the background rejection of an electroluminescent Time Projection Chamber (EL TPC) by reducing the diffusion of the drifting electrons while keeping nearly intact the energy resolution of a pure xenon EL TPC. Based on state-of-the-art microscopic simulations, a substantial addition of helium, a… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1710.05600v4-abstract-full').style.display = 'inline'; document.getElementById('1710.05600v4-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1710.05600v4-abstract-full" style="display: none;"> Within the framework of xenon-based double beta decay experiments, we propose the possibility to improve the background rejection of an electroluminescent Time Projection Chamber (EL TPC) by reducing the diffusion of the drifting electrons while keeping nearly intact the energy resolution of a pure xenon EL TPC. Based on state-of-the-art microscopic simulations, a substantial addition of helium, around 10 or 15~\%, may reduce drastically the transverse diffusion down to 2.5~mm/$\sqrt{\mathrm{m}}$ from the 10.5~mm/$\sqrt{\mathrm{m}}$ of pure xenon. The longitudinal diffusion remains around 4~mm/$\sqrt{\mathrm{m}}$. Light production studies have been performed as well. They show that the relative variation in energy resolution introduced by such a change does not exceed a few percent, which leaves the energy resolution practically unchanged. The technical caveats of using photomultipliers close to an helium atmosphere are also discussed in detail. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1710.05600v4-abstract-full').style.display = 'none'; document.getElementById('1710.05600v4-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 20 December, 2018; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 16 October, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2017. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">8 pages, 7 figures</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1503.06637">arXiv:1503.06637</a> <span> [<a href="https://arxiv.org/pdf/1503.06637">pdf</a>, <a href="https://arxiv.org/format/1503.06637">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> The Intermediate Neutrino Program </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Adams%2C+C">C. Adams</a>, <a href="/search/nucl-ex?searchtype=author&query=Alonso%2C+J+R">J. R. Alonso</a>, <a href="/search/nucl-ex?searchtype=author&query=Ankowski%2C+A+M">A. M. Ankowski</a>, <a href="/search/nucl-ex?searchtype=author&query=Asaadi%2C+J+A">J. A. Asaadi</a>, <a href="/search/nucl-ex?searchtype=author&query=Ashenfelter%2C+J">J. Ashenfelter</a>, <a href="/search/nucl-ex?searchtype=author&query=Axani%2C+S+N">S. N. Axani</a>, <a href="/search/nucl-ex?searchtype=author&query=Babu%2C+K">K. Babu</a>, <a href="/search/nucl-ex?searchtype=author&query=Backhouse%2C+C">C. Backhouse</a>, <a href="/search/nucl-ex?searchtype=author&query=Band%2C+H+R">H. R. Band</a>, <a href="/search/nucl-ex?searchtype=author&query=Barbeau%2C+P+S">P. S. Barbeau</a>, <a href="/search/nucl-ex?searchtype=author&query=Barros%2C+N">N. Barros</a>, <a href="/search/nucl-ex?searchtype=author&query=Bernstein%2C+A">A. Bernstein</a>, <a href="/search/nucl-ex?searchtype=author&query=Betancourt%2C+M">M. Betancourt</a>, <a href="/search/nucl-ex?searchtype=author&query=Bishai%2C+M">M. Bishai</a>, <a href="/search/nucl-ex?searchtype=author&query=Blucher%2C+E">E. Blucher</a>, <a href="/search/nucl-ex?searchtype=author&query=Bouffard%2C+J">J. Bouffard</a>, <a href="/search/nucl-ex?searchtype=author&query=Bowden%2C+N">N. Bowden</a>, <a href="/search/nucl-ex?searchtype=author&query=Brice%2C+S">S. Brice</a>, <a href="/search/nucl-ex?searchtype=author&query=Bryan%2C+C">C. Bryan</a>, <a href="/search/nucl-ex?searchtype=author&query=Camilleri%2C+L">L. Camilleri</a>, <a href="/search/nucl-ex?searchtype=author&query=Cao%2C+J">J. Cao</a>, <a href="/search/nucl-ex?searchtype=author&query=Carlson%2C+J">J. Carlson</a>, <a href="/search/nucl-ex?searchtype=author&query=Carr%2C+R+E">R. E. Carr</a>, <a href="/search/nucl-ex?searchtype=author&query=Chatterjee%2C+A">A. Chatterjee</a>, <a href="/search/nucl-ex?searchtype=author&query=Chen%2C+M">M. Chen</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="1503.06637v2-abstract-short" style="display: inline;"> The US neutrino community gathered at the Workshop on the Intermediate Neutrino Program (WINP) at Brookhaven National Laboratory February 4-6, 2015 to explore opportunities in neutrino physics over the next five to ten years. Scientists from particle, astroparticle and nuclear physics participated in the workshop. The workshop examined promising opportunities for neutrino physics in the intermedia… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1503.06637v2-abstract-full').style.display = 'inline'; document.getElementById('1503.06637v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1503.06637v2-abstract-full" style="display: none;"> The US neutrino community gathered at the Workshop on the Intermediate Neutrino Program (WINP) at Brookhaven National Laboratory February 4-6, 2015 to explore opportunities in neutrino physics over the next five to ten years. Scientists from particle, astroparticle and nuclear physics participated in the workshop. The workshop examined promising opportunities for neutrino physics in the intermediate term, including possible new small to mid-scale experiments, US contributions to large experiments, upgrades to existing experiments, R&D plans and theory. The workshop was organized into two sets of parallel working group sessions, divided by physics topics and technology. Physics working groups covered topics on Sterile Neutrinos, Neutrino Mixing, Neutrino Interactions, Neutrino Properties and Astrophysical Neutrinos. Technology sessions were organized into Theory, Short-Baseline Accelerator Neutrinos, Reactor Neutrinos, Detector R&D and Source, Cyclotron and Meson Decay at Rest sessions.This report summarizes discussion and conclusions from the workshop. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1503.06637v2-abstract-full').style.display = 'none'; document.getElementById('1503.06637v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 1 April, 2015; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 23 March, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">pdfLaTeX, 31 pages, 1 figure, minor modification to 0nuBB discussion</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1408.0598">arXiv:1408.0598</a> <span> [<a href="https://arxiv.org/pdf/1408.0598">pdf</a>, <a href="https://arxiv.org/format/1408.0598">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevLett.113.261801">10.1103/PhysRevLett.113.261801 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> First Measurement of Neutrino and Antineutrino Coherent Charged Pion Production on Argon </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Acciarri%2C+R">R. Acciarri</a>, <a href="/search/nucl-ex?searchtype=author&query=Adams%2C+C">C. Adams</a>, <a href="/search/nucl-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/nucl-ex?searchtype=author&query=Baller%2C+B">B. Baller</a>, <a href="/search/nucl-ex?searchtype=author&query=Bolton%2C+T">T. Bolton</a>, <a href="/search/nucl-ex?searchtype=author&query=Bromberg%2C+C">C. Bromberg</a>, <a href="/search/nucl-ex?searchtype=author&query=Cavanna%2C+F">F. Cavanna</a>, <a href="/search/nucl-ex?searchtype=author&query=Church%2C+E">E. Church</a>, <a href="/search/nucl-ex?searchtype=author&query=Edmunds%2C+D">D. Edmunds</a>, <a href="/search/nucl-ex?searchtype=author&query=Ereditato%2C+A">A. Ereditato</a>, <a href="/search/nucl-ex?searchtype=author&query=Farooq%2C+S">S. Farooq</a>, <a href="/search/nucl-ex?searchtype=author&query=Fleming%2C+B">B. Fleming</a>, <a href="/search/nucl-ex?searchtype=author&query=Greenlee%2C+H">H. Greenlee</a>, <a href="/search/nucl-ex?searchtype=author&query=Hatcher%2C+R">R. Hatcher</a>, <a href="/search/nucl-ex?searchtype=author&query=Horton-Smith%2C+G">G. Horton-Smith</a>, <a href="/search/nucl-ex?searchtype=author&query=James%2C+C">C. James</a>, <a href="/search/nucl-ex?searchtype=author&query=Klein%2C+E">E. Klein</a>, <a href="/search/nucl-ex?searchtype=author&query=Lang%2C+K">K. Lang</a>, <a href="/search/nucl-ex?searchtype=author&query=Laurens%2C+P">P. Laurens</a>, <a href="/search/nucl-ex?searchtype=author&query=Mehdiyev%2C+R">R. Mehdiyev</a>, <a href="/search/nucl-ex?searchtype=author&query=Page%2C+B">B. Page</a>, <a href="/search/nucl-ex?searchtype=author&query=Palamara%2C+O">O. Palamara</a>, <a href="/search/nucl-ex?searchtype=author&query=Partyka%2C+K">K. Partyka</a>, <a href="/search/nucl-ex?searchtype=author&query=Rameika%2C+G">G. Rameika</a>, <a href="/search/nucl-ex?searchtype=author&query=Rebel%2C+B">B. Rebel</a> , et al. (7 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="1408.0598v3-abstract-short" style="display: inline;"> We report on the first cross section measurements for charged current coherent pion production by neutrinos and antineutrinos on argon. These measurements are performed using the ArgoNeuT detector exposed to the NuMI beam at Fermilab. The cross sections are measured to be $2.6^{+1.2}_{-1.0}(stat)^{+0.3}_{-0.4}(syst) \times 10^{-38} \textrm{cm}^{2}/\textrm{Ar}$ for neutrinos at a mean energy of… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1408.0598v3-abstract-full').style.display = 'inline'; document.getElementById('1408.0598v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1408.0598v3-abstract-full" style="display: none;"> We report on the first cross section measurements for charged current coherent pion production by neutrinos and antineutrinos on argon. These measurements are performed using the ArgoNeuT detector exposed to the NuMI beam at Fermilab. The cross sections are measured to be $2.6^{+1.2}_{-1.0}(stat)^{+0.3}_{-0.4}(syst) \times 10^{-38} \textrm{cm}^{2}/\textrm{Ar}$ for neutrinos at a mean energy of $9.6$ GeV and $5.5^{+2.6}_{-2.1}(stat)^{+0.6}_{-0.7}(syst) \times 10^{-39} \textrm{cm}^{2}/\textrm{Ar}$ for antineutrinos at a mean energy of $3.6$ GeV. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1408.0598v3-abstract-full').style.display = 'none'; document.getElementById('1408.0598v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 2 April, 2015; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 4 August, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2014. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">5 pages, 3 figures, accepted version</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-14-258-E </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 113, 261801 (2014) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1405.4261">arXiv:1405.4261</a> <span> [<a href="https://arxiv.org/pdf/1405.4261">pdf</a>, <a href="https://arxiv.org/format/1405.4261">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.90.012008">10.1103/PhysRevD.90.012008 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The detection of back-to-back proton pairs in Charged-Current neutrino interactions with the ArgoNeuT detector in the NuMI low energy beam line </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Acciarri%2C+R">R. Acciarri</a>, <a href="/search/nucl-ex?searchtype=author&query=Adams%2C+C">C. Adams</a>, <a href="/search/nucl-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/nucl-ex?searchtype=author&query=Baller%2C+B">B. Baller</a>, <a href="/search/nucl-ex?searchtype=author&query=Bolton%2C+T">T. Bolton</a>, <a href="/search/nucl-ex?searchtype=author&query=Bromberg%2C+C">C. Bromberg</a>, <a href="/search/nucl-ex?searchtype=author&query=Cavanna%2C+F">F. Cavanna</a>, <a href="/search/nucl-ex?searchtype=author&query=Church%2C+E">E. Church</a>, <a href="/search/nucl-ex?searchtype=author&query=Edmunds%2C+D">D. Edmunds</a>, <a href="/search/nucl-ex?searchtype=author&query=Ereditato%2C+A">A. Ereditato</a>, <a href="/search/nucl-ex?searchtype=author&query=Farooq%2C+S">S. Farooq</a>, <a href="/search/nucl-ex?searchtype=author&query=Fleming%2C+B">B. Fleming</a>, <a href="/search/nucl-ex?searchtype=author&query=Greenlee%2C+H">H. Greenlee</a>, <a href="/search/nucl-ex?searchtype=author&query=Horton-Smith%2C+G">G. Horton-Smith</a>, <a href="/search/nucl-ex?searchtype=author&query=James%2C+C">C. James</a>, <a href="/search/nucl-ex?searchtype=author&query=Klein%2C+E">E. Klein</a>, <a href="/search/nucl-ex?searchtype=author&query=Lang%2C+K">K. Lang</a>, <a href="/search/nucl-ex?searchtype=author&query=Laurens%2C+P">P. Laurens</a>, <a href="/search/nucl-ex?searchtype=author&query=Mehdiyev%2C+R">R. Mehdiyev</a>, <a href="/search/nucl-ex?searchtype=author&query=Page%2C+B">B. Page</a>, <a href="/search/nucl-ex?searchtype=author&query=Palamara%2C+O">O. Palamara</a>, <a href="/search/nucl-ex?searchtype=author&query=Partyka%2C+K">K. Partyka</a>, <a href="/search/nucl-ex?searchtype=author&query=Rameika%2C+G">G. Rameika</a>, <a href="/search/nucl-ex?searchtype=author&query=Rebel%2C+B">B. Rebel</a>, <a href="/search/nucl-ex?searchtype=author&query=Soderberg%2C+M">M. Soderberg</a> , et al. (5 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1405.4261v1-abstract-short" style="display: inline;"> Short range nucleon-nucleon correlations in nuclei (NN SRC) carry important information on nuclear structure and dynamics. NN SRC have been extensively probed through two-nucleon knock- out reactions in both pion and electron scattering experiments. We report here on the detection of two-nucleon knock-out events from neutrino interactions and discuss their topological features as possibly involvin… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1405.4261v1-abstract-full').style.display = 'inline'; document.getElementById('1405.4261v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1405.4261v1-abstract-full" style="display: none;"> Short range nucleon-nucleon correlations in nuclei (NN SRC) carry important information on nuclear structure and dynamics. NN SRC have been extensively probed through two-nucleon knock- out reactions in both pion and electron scattering experiments. We report here on the detection of two-nucleon knock-out events from neutrino interactions and discuss their topological features as possibly involving NN SRC content in the target argon nuclei. The ArgoNeuT detector in the Main Injector neutrino beam at Fermilab has recorded a sample of 30 fully reconstructed charged current events where the leading muon is accompanied by a pair of protons at the interaction vertex, 19 of which have both protons above the Fermi momentum of the Ar nucleus. Out of these 19 events, four are found with the two protons in a strictly back-to-back high momenta configuration directly observed in the final state and can be associated to nucleon Resonance pionless mechanisms involving a pre-existing short range correlated np pair in the nucleus. Another fraction (four events) of the remaining 15 events have a reconstructed back-to-back configuration of a np pair in the initial state, a signature compatible with one-body Quasi Elastic interaction on a neutron in a SRC pair. The detection of these two subsamples of the collected (mu- + 2p) events suggests that mechanisms directly involving nucleon-nucleon SRC pairs in the nucleus are active and can be efficiently explored in neutrino-argon interactions with the LAr TPC technology. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1405.4261v1-abstract-full').style.display = 'none'; document.getElementById('1405.4261v1-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, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2014. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 90, 012008 (2014) </p> </li> </ol> <div class="is-hidden-tablet">  <span class="help" style="display: inline-block;"><a href="https://github.com/arXiv/arxiv-search/releases">Search v0.5.6 released 2020-02-24</a>  </span> </div> </div> </main> <footer> <div class="columns is-desktop" role="navigation" aria-label="Secondary">  <div class="column"> <div class="columns"> <div class="column"> <ul class="nav-spaced"> <li><a href="https://info.arxiv.org/about">About</a></li> <li><a href="https://info.arxiv.org/help">Help</a></li> </ul> </div> <div class="column"> <ul class="nav-spaced"> <li> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><title>contact arXiv</title><desc>Click here to contact arXiv</desc><path d="M502.3 190.8c3.9-3.1 9.7-.2 9.7 4.7V400c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V195.6c0-5 5.7-7.8 9.7-4.7 22.4 17.4 52.1 39.5 154.1 113.6 21.1 15.4 56.7 47.8 92.2 47.6 35.7.3 72-32.8 92.3-47.6 102-74.1 131.6-96.3 154-113.7zM256 320c23.2.4 56.6-29.2 73.4-41.4 132.7-96.3 142.8-104.7 173.4-128.7 5.8-4.5 9.2-11.5 9.2-18.9v-19c0-26.5-21.5-48-48-48H48C21.5 64 0 85.5 0 112v19c0 7.4 3.4 14.3 9.2 18.9 30.6 23.9 40.7 32.4 173.4 128.7 16.8 12.2 50.2 41.8 73.4 41.4z"/></svg> <a href="https://info.arxiv.org/help/contact.html"> Contact</a> </li> <li> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><title>subscribe to arXiv mailings</title><desc>Click here to subscribe</desc><path d="M476 3.2L12.5 270.6c-18.1 10.4-15.8 35.6 2.2 43.2L121 358.4l287.3-253.2c5.5-4.9 13.3 2.6 8.6 8.3L176 407v80.5c0 23.6 28.5 32.9 42.5 15.8L282 426l124.6 52.2c14.2 6 30.4-2.9 33-18.2l72-432C515 7.8 493.3-6.8 476 3.2z"/></svg> <a href="https://info.arxiv.org/help/subscribe"> Subscribe</a> </li> </ul> </div> </div> </div>   <div class="column"> <div class="columns"> <div class="column"> <ul class="nav-spaced"> <li><a href="https://info.arxiv.org/help/license/index.html">Copyright</a></li> <li><a href="https://info.arxiv.org/help/policies/privacy_policy.html">Privacy Policy</a></li> </ul> </div> <div class="column sorry-app-links"> <ul class="nav-spaced"> <li><a href="https://info.arxiv.org/help/web_accessibility.html">Web Accessibility Assistance</a></li> <li> <p class="help"> <a class="a11y-main-link" href="https://status.arxiv.org" target="_blank">arXiv Operational Status <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 256 512" class="icon filter-dark_grey" role="presentation"><path d="M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z"/></svg></a><br> Get status notifications via <a class="is-link" href="https://subscribe.sorryapp.com/24846f03/email/new" target="_blank"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><path d="M502.3 190.8c3.9-3.1 9.7-.2 9.7 4.7V400c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V195.6c0-5 5.7-7.8 9.7-4.7 22.4 17.4 52.1 39.5 154.1 113.6 21.1 15.4 56.7 47.8 92.2 47.6 35.7.3 72-32.8 92.3-47.6 102-74.1 131.6-96.3 154-113.7zM256 320c23.2.4 56.6-29.2 73.4-41.4 132.7-96.3 142.8-104.7 173.4-128.7 5.8-4.5 9.2-11.5 9.2-18.9v-19c0-26.5-21.5-48-48-48H48C21.5 64 0 85.5 0 112v19c0 7.4 3.4 14.3 9.2 18.9 30.6 23.9 40.7 32.4 173.4 128.7 16.8 12.2 50.2 41.8 73.4 41.4z"/></svg>email</a> or <a class="is-link" href="https://subscribe.sorryapp.com/24846f03/slack/new" target="_blank"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512" class="icon filter-black" role="presentation"><path d="M94.12 315.1c0 25.9-21.16 47.06-47.06 47.06S0 341 0 315.1c0-25.9 21.16-47.06 47.06-47.06h47.06v47.06zm23.72 0c0-25.9 21.16-47.06 47.06-47.06s47.06 21.16 47.06 47.06v117.84c0 25.9-21.16 47.06-47.06 47.06s-47.06-21.16-47.06-47.06V315.1zm47.06-188.98c-25.9 0-47.06-21.16-47.06-47.06S139 32 164.9 32s47.06 21.16 47.06 47.06v47.06H164.9zm0 23.72c25.9 0 47.06 21.16 47.06 47.06s-21.16 47.06-47.06 47.06H47.06C21.16 243.96 0 222.8 0 196.9s21.16-47.06 47.06-47.06H164.9zm188.98 47.06c0-25.9 21.16-47.06 47.06-47.06 25.9 0 47.06 21.16 47.06 47.06s-21.16 47.06-47.06 47.06h-47.06V196.9zm-23.72 0c0 25.9-21.16 47.06-47.06 47.06-25.9 0-47.06-21.16-47.06-47.06V79.06c0-25.9 21.16-47.06 47.06-47.06 25.9 0 47.06 21.16 47.06 47.06V196.9zM283.1 385.88c25.9 0 47.06 21.16 47.06 47.06 0 25.9-21.16 47.06-47.06 47.06-25.9 0-47.06-21.16-47.06-47.06v-47.06h47.06zm0-23.72c-25.9 0-47.06-21.16-47.06-47.06 0-25.9 21.16-47.06 47.06-47.06h117.84c25.9 0 47.06 21.16 47.06 47.06 0 25.9-21.16 47.06-47.06 47.06H283.1z"/></svg>slack</a> </p> </li> </ul> </div> </div> </div>  </div> </footer> <script src="https://static.arxiv.org/static/base/1.0.0a5/js/member_acknowledgement.js"></script> </body> </html>

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