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<meta name="theme-color" content="#b31b1b">  <title>Search | arXiv e-print repository</title> <script defer src="https://static.arxiv.org/static/base/1.0.0a5/fontawesome-free-5.11.2-web/js/all.js"></script> <link rel="stylesheet" href="https://static.arxiv.org/static/base/1.0.0a5/css/arxivstyle.css" /> <script type="text/x-mathjax-config"> MathJax.Hub.Config({ messageStyle: "none", extensions: ["tex2jax.js"], jax: ["input/TeX", "output/HTML-CSS"], tex2jax: { inlineMath: [ ['$','$'], ["\$","\$"] ], displayMath: [ ['$$','$$'], ["\\[","\\]"] ], processEscapes: true, ignoreClass: '.*', processClass: 'mathjax.*' }, TeX: { extensions: ["AMSmath.js", "AMSsymbols.js", "noErrors.js"], noErrors: { inlineDelimiters: ["$","$"], multiLine: false, style: { "font-size": "normal", "border": "" } } }, "HTML-CSS": { availableFonts: ["TeX"] } }); </script> <script src='//static.arxiv.org/MathJax-2.7.3/MathJax.js'></script> <script 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</div> <div class="control"> <button class="button is-small is-link">Go</button> </div> </div> </form> </div> </div> <ol class="breathe-horizontal" start="1"> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2411.18969">arXiv:2411.18969</a> <span> [<a href="https://arxiv.org/pdf/2411.18969">pdf</a>, <a href="https://arxiv.org/format/2411.18969">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"> Towards a new generation of solid total-energy detectors for neutron-capture time-of-flight experiments with intense neutron beams </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Balibrea-Correa%2C+J">J. Balibrea-Correa</a>, <a href="/search/physics?searchtype=author&query=Babiano-Suarez%2C+V">V. Babiano-Suarez</a>, <a href="/search/physics?searchtype=author&query=Lerendegui-Marco%2C+J">J. Lerendegui-Marco</a>, <a href="/search/physics?searchtype=author&query=Domingo-Pardo%2C+C">C. Domingo-Pardo</a>, <a href="/search/physics?searchtype=author&query=Ladarescu%2C+I">I. Ladarescu</a>, <a href="/search/physics?searchtype=author&query=Tarife%C3%B1o-Saldivia%2C+A">A. Tarife帽o-Saldivia</a>, <a href="/search/physics?searchtype=author&query=de+la+Fuente-Rosales%2C+G">G. de la Fuente-Rosales</a>, <a href="/search/physics?searchtype=author&query=Gameiro%2C+B">B. Gameiro</a>, <a href="/search/physics?searchtype=author&query=Zaitseva%2C+N">N. Zaitseva</a>, <a href="/search/physics?searchtype=author&query=Alcayne%2C+V">V. Alcayne</a>, <a href="/search/physics?searchtype=author&query=Cano-Ott%2C+D">D. Cano-Ott</a>, <a href="/search/physics?searchtype=author&query=Gonz%C3%A1lez-Romero%2C+E">E. Gonz谩lez-Romero</a>, <a href="/search/physics?searchtype=author&query=Mart%C3%ADnez%2C+T">T. Mart铆nez</a>, <a href="/search/physics?searchtype=author&query=Mendoza%2C+E">E. Mendoza</a>, <a href="/search/physics?searchtype=author&query=de+Rada%2C+A+P">A. P茅rez de Rada</a>, <a href="/search/physics?searchtype=author&query=del+Olmo%2C+J+P">J. Plaza del Olmo</a>, <a href="/search/physics?searchtype=author&query=S%C3%A1nchez-Caballero%2C+A">A. S谩nchez-Caballero</a>, <a href="/search/physics?searchtype=author&query=Casanovas%2C+A">A. Casanovas</a>, <a href="/search/physics?searchtype=author&query=Calvi%C3%B1o%2C+F">F. Calvi帽o</a>, <a href="/search/physics?searchtype=author&query=Valenta%2C+S">S. Valenta</a>, <a href="/search/physics?searchtype=author&query=Aberle%2C+O">O. Aberle</a>, <a href="/search/physics?searchtype=author&query=Altieri%2C+S">S. Altieri</a>, <a href="/search/physics?searchtype=author&query=Amaducci%2C+S">S. Amaducci</a>, <a href="/search/physics?searchtype=author&query=Andrzejewski%2C+J">J. Andrzejewski</a>, <a href="/search/physics?searchtype=author&query=Bacak%2C+M">M. Bacak</a> , et al. (112 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2411.18969v1-abstract-short" style="display: inline;"> Challenging neutron-capture cross-section measurements of small cross sections and samples with a very limited number of atoms require high-flux time-of-flight facilities. In turn, such facilities need innovative detection setups that are fast, have low sensitivity to neutrons, can quickly recover from the so-called $纬$-flash, and offer the highest possible detection sensitivity. In this paper, we… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2411.18969v1-abstract-full').style.display = 'inline'; document.getElementById('2411.18969v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2411.18969v1-abstract-full" style="display: none;"> Challenging neutron-capture cross-section measurements of small cross sections and samples with a very limited number of atoms require high-flux time-of-flight facilities. In turn, such facilities need innovative detection setups that are fast, have low sensitivity to neutrons, can quickly recover from the so-called $纬$-flash, and offer the highest possible detection sensitivity. In this paper, we present several steps toward such advanced systems. Specifically, we describe the performance of a high-sensitivity experimental setup at CERN n\_TOF EAR2. It consists of nine sTED detector modules in a compact cylindrical configuration, two conventional used large-volume C$_{6}$D$_{6}$ detectors, and one LaCl$_{3}$(Ce) detector. The performance of these detection systems is compared using $^{93}$Nb($n$,$纬$) data. We also developed a detailed \textsc{Geant4} Monte Carlo model of the experimental EAR2 setup, which allows for a better understanding of the detector features, including their efficiency determination. This Monte Carlo model has been used for further optimization, thus leading to a new conceptual design of a $纬$ detector array, STAR, based on a deuterated-stilbene crystal array. Finally, the suitability of deuterated-stilbene crystals for the future STAR array is investigaged experimentally utilizing a small stilbene-d12 prototype. The results suggest a similar or superior performance of STAR with respect to other setups based on liquid-scintillators, and allow for additional features such as neutron-gamma discrimination and a higher level of customization capability. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2411.18969v1-abstract-full').style.display = 'none'; document.getElementById('2411.18969v1-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 November, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2024. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2403.18934">arXiv:2403.18934</a> <span> [<a href="https://arxiv.org/pdf/2403.18934">pdf</a>, <a href="https://arxiv.org/format/2403.18934">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="Medical Physics">physics.med-ph</span> </div> </div> <p class="title is-5 mathjax"> Ambient neutron dosimetry in high energy and pulsed neutron fields </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Tarifeno-Saldivia%2C+A">Ariel Tarifeno-Saldivia</a>, <a href="/search/physics?searchtype=author&query=Calvino%2C+F">Francisco Calvino</a>, <a href="/search/physics?searchtype=author&query=De+Blas%2C+A">Alfredo De Blas</a>, <a href="/search/physics?searchtype=author&query=Brusasco%2C+B">Benedetta Brusasco</a>, <a href="/search/physics?searchtype=author&query=Casanovas-Hoste%2C+A">Adria Casanovas-Hoste</a>, <a href="/search/physics?searchtype=author&query=Cives%2C+A+M">Ana M. Cives</a>, <a href="/search/physics?searchtype=author&query=Cortes%2C+G">Guillem Cortes</a>, <a href="/search/physics?searchtype=author&query=Garcia%2C+R">Roger Garcia</a>, <a href="/search/physics?searchtype=author&query=Molina%2C+F">Francisco Molina</a>, <a href="/search/physics?searchtype=author&query=Mont-Geli%2C+N">Nil Mont-Geli</a>, <a href="/search/physics?searchtype=author&query=Pallas%2C+M">Max Pallas</a>, <a href="/search/physics?searchtype=author&query=Pavez%2C+C">Cristian Pavez</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="2403.18934v1-abstract-short" style="display: inline;"> The status of the LINrem project is presented, focusing on the development of innovative neutron dosimeters with enhanced energy sensitivity, time resolution, and portability. Designed to meet the technical demands of radiation protection in modern particle and nuclear facilities, these dosimeters are discussed in detail. Results from experimental campaigns showcasing their efficacy in pulsed fiel… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2403.18934v1-abstract-full').style.display = 'inline'; document.getElementById('2403.18934v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2403.18934v1-abstract-full" style="display: none;"> The status of the LINrem project is presented, focusing on the development of innovative neutron dosimeters with enhanced energy sensitivity, time resolution, and portability. Designed to meet the technical demands of radiation protection in modern particle and nuclear facilities, these dosimeters are discussed in detail. Results from experimental campaigns showcasing their efficacy in pulsed fields generated by fusion plasmas and high-intensity pulsed lasers are presented. Additionally, prospects and future plans for the LINrem project are outlined. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2403.18934v1-abstract-full').style.display = 'none'; document.getElementById('2403.18934v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 27 March, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Preprint submitted to Radiation Physics and Chemistry</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2311.01365">arXiv:2311.01365</a> <span> [<a href="https://arxiv.org/pdf/2311.01365">pdf</a>, <a href="https://arxiv.org/format/2311.01365">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"> Pushing the high count rate limits of scintillation detectors for challenging neutron-capture experiments </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Correa%2C+J+B">J. Balibrea Correa</a>, <a href="/search/physics?searchtype=author&query=Lerendegui-Marco%2C+J">J. Lerendegui-Marco</a>, <a href="/search/physics?searchtype=author&query=Babiano-Suarez%2C+V">V. Babiano-Suarez</a>, <a href="/search/physics?searchtype=author&query=Domingo-Pardo%2C+C">C. Domingo-Pardo</a>, <a href="/search/physics?searchtype=author&query=Ladarescu%2C+I">I. Ladarescu</a>, <a href="/search/physics?searchtype=author&query=Tarife%C3%B1o-Saldivia%2C+A">A. Tarife帽o-Saldivia</a>, <a href="/search/physics?searchtype=author&query=Alcayne%2C+V">V. Alcayne</a>, <a href="/search/physics?searchtype=author&query=Cano-Ott%2C+D">D. Cano-Ott</a>, <a href="/search/physics?searchtype=author&query=Gonz%C3%A1lez-Romero%2C+E">E. Gonz谩lez-Romero</a>, <a href="/search/physics?searchtype=author&query=Mart%C3%ADnez%2C+T">T. Mart铆nez</a>, <a href="/search/physics?searchtype=author&query=Mendoza%2C+E">E. Mendoza</a>, <a href="/search/physics?searchtype=author&query=de+Rada%2C+A+P">A. P茅rez de Rada</a>, <a href="/search/physics?searchtype=author&query=del+Olmo%2C+J+P">J. Plaza del Olmo</a>, <a href="/search/physics?searchtype=author&query=S%C3%A1nchez-Caballero%2C+A">A. S谩nchez-Caballero</a>, <a href="/search/physics?searchtype=author&query=Casanovas%2C+A">A. Casanovas</a>, <a href="/search/physics?searchtype=author&query=Calvi%C3%B1o%2C+F">F. Calvi帽o</a>, <a href="/search/physics?searchtype=author&query=Valenta%2C+S">S. Valenta</a>, <a href="/search/physics?searchtype=author&query=Aberle%2C+O">O. Aberle</a>, <a href="/search/physics?searchtype=author&query=Altieri%2C+S">S. Altieri</a>, <a href="/search/physics?searchtype=author&query=Amaducci%2C+S">S. Amaducci</a>, <a href="/search/physics?searchtype=author&query=Andrzejewski%2C+J">J. Andrzejewski</a>, <a href="/search/physics?searchtype=author&query=Bacak%2C+M">M. Bacak</a>, <a href="/search/physics?searchtype=author&query=Beltrami%2C+C">C. Beltrami</a>, <a href="/search/physics?searchtype=author&query=Bennett%2C+S">S. Bennett</a>, <a href="/search/physics?searchtype=author&query=Bernardes%2C+A+P">A. P. Bernardes</a> , et al. (109 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="2311.01365v1-abstract-short" style="display: inline;"> One of the critical aspects for the accurate determination of neutron capture cross sections when combining time-of-flight and total energy detector techniques is the characterization and control of systematic uncertainties associated to the measuring devices. In this work we explore the most conspicuous effects associated to harsh count rate conditions: dead-time and pile-up effects. Both effects… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2311.01365v1-abstract-full').style.display = 'inline'; document.getElementById('2311.01365v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2311.01365v1-abstract-full" style="display: none;"> One of the critical aspects for the accurate determination of neutron capture cross sections when combining time-of-flight and total energy detector techniques is the characterization and control of systematic uncertainties associated to the measuring devices. In this work we explore the most conspicuous effects associated to harsh count rate conditions: dead-time and pile-up effects. Both effects, when not properly treated, can lead to large systematic uncertainties and bias in the determination of neutron cross sections. In the majority of neutron capture measurements carried out at the CERN n\_TOF facility, the detectors of choice are the C$_{6}$D$_{6}$ liquid-based either in form of large-volume cells or recently commissioned sTED detector array, consisting of much smaller-volume modules. To account for the aforementioned effects, we introduce a Monte Carlo model for these detectors mimicking harsh count rate conditions similar to those happening at the CERN n\_TOF 20~m fligth path vertical measuring station. The model parameters are extracted by comparison with the experimental data taken at the same facility during 2022 experimental campaign. We propose a novel methodology to consider both, dead-time and pile-up effects simultaneously for these fast detectors and check the applicability to experimental data from $^{197}$Au($n$,$纬$), including the saturated 4.9~eV resonance which is an important component of normalization for neutron cross section measurements. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2311.01365v1-abstract-full').style.display = 'none'; document.getElementById('2311.01365v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 2 November, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2023. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2304.07311">arXiv:2304.07311</a> <span> [<a href="https://arxiv.org/pdf/2304.07311">pdf</a>, <a href="https://arxiv.org/format/2304.07311">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"> Commissioning of miniBELEN-10A, a moderated neutron counter with a flat efficiency for thick-target neutron yields measurements </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Mont-Geli%2C+N">N Mont-Geli</a>, <a href="/search/physics?searchtype=author&query=Tarife%C3%B1o-Saldivia%2C+A">A Tarife帽o-Saldivia</a>, <a href="/search/physics?searchtype=author&query=Fraile%2C+L+M">L M Fraile</a>, <a href="/search/physics?searchtype=author&query=Vi%C3%B1als%2C+S">S Vi帽als</a>, <a href="/search/physics?searchtype=author&query=Perea%2C+A">A Perea</a>, <a href="/search/physics?searchtype=author&query=Pall%C3%A0s%2C+M">M Pall脿s</a>, <a href="/search/physics?searchtype=author&query=Cort%C3%A9s%2C+G">G Cort茅s</a>, <a href="/search/physics?searchtype=author&query=Garcia%2C+G">G Garcia</a>, <a href="/search/physics?searchtype=author&query=N%C3%A1cher%2C+E">E N谩cher</a>, <a href="/search/physics?searchtype=author&query=Tain%2C+J+L">J L Tain</a>, <a href="/search/physics?searchtype=author&query=Alcayne%2C+V">V Alcayne</a>, <a href="/search/physics?searchtype=author&query=Alonso-Sa%C3%B1udo%2C+O">O Alonso-Sa帽udo</a>, <a href="/search/physics?searchtype=author&query=Algora%2C+A">A Algora</a>, <a href="/search/physics?searchtype=author&query=Balibrea-Correa%2C+J">J Balibrea-Correa</a>, <a href="/search/physics?searchtype=author&query=Benito%2C+J">J Benito</a>, <a href="/search/physics?searchtype=author&query=Borge%2C+M+J+G">M J G Borge</a>, <a href="/search/physics?searchtype=author&query=Briz%2C+J+A">J A Briz</a>, <a href="/search/physics?searchtype=author&query=Calvi%C3%B1o%2C+F">F Calvi帽o</a>, <a href="/search/physics?searchtype=author&query=Cano-Ott%2C+D">D Cano-Ott</a>, <a href="/search/physics?searchtype=author&query=De+Blas%2C+A">A De Blas</a>, <a href="/search/physics?searchtype=author&query=Domingo-Pardo%2C+C">C Domingo-Pardo</a>, <a href="/search/physics?searchtype=author&query=Fern%C3%A1ndez%2C+B">B Fern谩ndez</a>, <a href="/search/physics?searchtype=author&query=Garcia%2C+R">R Garcia</a>, <a href="/search/physics?searchtype=author&query=G%C3%B3mez-Camacho%2C+J">J G贸mez-Camacho</a>, <a href="/search/physics?searchtype=author&query=Gonz%C3%A1lez-Romero%2C+E+M">E M Gonz谩lez-Romero</a> , et al. (18 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="2304.07311v1-abstract-short" style="display: inline;"> miniBELEN-10A is a modular and transportable moderated neutron counter with a nearly flat detection efficiency up to 8 MeV. The detector was designed to carry out measurements of (alpha, n) reactions in the context of the Measurement of Alpha Neutron Yields (MANY) project. In this work we present the results of the commissioning of miniBELEN-10A using the relatively well-known thick-target neutron… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2304.07311v1-abstract-full').style.display = 'inline'; document.getElementById('2304.07311v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2304.07311v1-abstract-full" style="display: none;"> miniBELEN-10A is a modular and transportable moderated neutron counter with a nearly flat detection efficiency up to 8 MeV. The detector was designed to carry out measurements of (alpha, n) reactions in the context of the Measurement of Alpha Neutron Yields (MANY) project. In this work we present the results of the commissioning of miniBELEN-10A using the relatively well-known thick-target neutron yields from 27Al(alpha, n)30P. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2304.07311v1-abstract-full').style.display = 'none'; document.getElementById('2304.07311v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 14 April, 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/2304.07308">arXiv:2304.07308</a> <span> [<a href="https://arxiv.org/pdf/2304.07308">pdf</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/10.1051/epjconf/202328406004">10.1051/epjconf/202328406004 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> miniBELEN: a modular neutron counter for (alpha,n) reactions </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Mont-Geli%2C+N">N Mont-Geli</a>, <a href="/search/physics?searchtype=author&query=Tarife%C3%B1o-Saldivia%2C+A">A Tarife帽o-Saldivia</a>, <a href="/search/physics?searchtype=author&query=Fraile%2C+L+M">L M Fraile</a>, <a href="/search/physics?searchtype=author&query=Vi%C3%B1als%2C+S">S Vi帽als</a>, <a href="/search/physics?searchtype=author&query=Perea%2C+A">A Perea</a>, <a href="/search/physics?searchtype=author&query=Pall%C3%A0s%2C+M">M Pall脿s</a>, <a href="/search/physics?searchtype=author&query=Cort%C3%A9s%2C+G">G Cort茅s</a>, <a href="/search/physics?searchtype=author&query=N%C3%A1cher%2C+E">E N谩cher</a>, <a href="/search/physics?searchtype=author&query=Tain%2C+J+L">J L Tain</a>, <a href="/search/physics?searchtype=author&query=Alcayne%2C+V">V Alcayne</a>, <a href="/search/physics?searchtype=author&query=Algora%2C+A">A Algora</a>, <a href="/search/physics?searchtype=author&query=Balibrea-Correa%2C+J">J Balibrea-Correa</a>, <a href="/search/physics?searchtype=author&query=Benito%2C+J">J Benito</a>, <a href="/search/physics?searchtype=author&query=Borge%2C+M+J+G">M J G Borge</a>, <a href="/search/physics?searchtype=author&query=Briz%2C+J+A">J A Briz</a>, <a href="/search/physics?searchtype=author&query=Calvi%C3%B1o%2C+F">F Calvi帽o</a>, <a href="/search/physics?searchtype=author&query=Cano-Ott%2C+D">D Cano-Ott</a>, <a href="/search/physics?searchtype=author&query=De+Blas%2C+A">A De Blas</a>, <a href="/search/physics?searchtype=author&query=Domingo-Pardo%2C+C">C Domingo-Pardo</a>, <a href="/search/physics?searchtype=author&query=Fern%C3%A1ndez%2C+B">B Fern谩ndez</a>, <a href="/search/physics?searchtype=author&query=Garcia%2C+R">R Garcia</a>, <a href="/search/physics?searchtype=author&query=Garc%C3%ADa%2C+G">G Garc铆a</a>, <a href="/search/physics?searchtype=author&query=G%C3%B3mez-Camacho%2C+J">J G贸mez-Camacho</a>, <a href="/search/physics?searchtype=author&query=Gonz%C3%A1lez-Romero%2C+E+M">E M Gonz谩lez-Romero</a>, <a href="/search/physics?searchtype=author&query=Guerrero%2C+C">C Guerrero</a> , et al. (16 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="2304.07308v1-abstract-short" style="display: inline;"> miniBELEN is a modular and transportable neutron moderated counter with a nearly flat neutron detection efficiency up to 10 MeV. Modularity implies that the moderator can be reassembled in different ways in order to obtain different types of response. The detector has been developed in the context of the Measurement of Alpha Neutron Yields (MANY) collaboration, which is a scientific effort aiming… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2304.07308v1-abstract-full').style.display = 'inline'; document.getElementById('2304.07308v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2304.07308v1-abstract-full" style="display: none;"> miniBELEN is a modular and transportable neutron moderated counter with a nearly flat neutron detection efficiency up to 10 MeV. Modularity implies that the moderator can be reassembled in different ways in order to obtain different types of response. The detector has been developed in the context of the Measurement of Alpha Neutron Yields (MANY) collaboration, which is a scientific effort aiming to carry out measurements of (alpha,n) production yields, reaction cross-sections and neutron energy spectra. In this work we present and discuss several configurations of the miniBELEN detector. The experimental validation of the efficiency calculations using 252Cf sources and the measurement of the 27Al(alpha,n)30P reaction is also presented. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2304.07308v1-abstract-full').style.display = 'none'; document.getElementById('2304.07308v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 14 April, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">15th International Conference on Nuclear Data for Science and Technology (ND2022)</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2303.01425">arXiv:2303.01425</a> <span> [<a href="https://arxiv.org/pdf/2303.01425">pdf</a>, <a href="https://arxiv.org/format/2303.01425">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Soft Condensed Matter">cond-mat.soft</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Computational Physics">physics.comp-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevResearch.5.033135">10.1103/PhysRevResearch.5.033135 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Colloidal smectics in button-like confinements: experiment and theory </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Wittmann%2C+R">Ren茅 Wittmann</a>, <a href="/search/physics?searchtype=author&query=Monderkamp%2C+P+A">Paul A. Monderkamp</a>, <a href="/search/physics?searchtype=author&query=Xia%2C+J">Jingmin Xia</a>, <a href="/search/physics?searchtype=author&query=Cortes%2C+L+B+G">Louis B. G. Cortes</a>, <a href="/search/physics?searchtype=author&query=Grobas%2C+I">Iago Grobas</a>, <a href="/search/physics?searchtype=author&query=Farrell%2C+P+E">Patrick E. Farrell</a>, <a href="/search/physics?searchtype=author&query=Aarts%2C+D+G+A+L">Dirk G. A. L. Aarts</a>, <a href="/search/physics?searchtype=author&query=L%C3%B6wen%2C+H">Hartmut L枚wen</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="2303.01425v2-abstract-short" style="display: inline;"> Liquid crystals can self-organize into a layered smectic phase. While the smectic layers are typically straight forming a lamellar pattern in bulk, external confinement may drastically distort the layers due to the boundary conditions imposed on the orientational director field. Resolving this distortion leads to complex structures with topological defects. Here, we explore the configurations adop… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2303.01425v2-abstract-full').style.display = 'inline'; document.getElementById('2303.01425v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2303.01425v2-abstract-full" style="display: none;"> Liquid crystals can self-organize into a layered smectic phase. While the smectic layers are typically straight forming a lamellar pattern in bulk, external confinement may drastically distort the layers due to the boundary conditions imposed on the orientational director field. Resolving this distortion leads to complex structures with topological defects. Here, we explore the configurations adopted by two-dimensional colloidal smectics made from nearly hard rod-like particles in complex confinements, characterized by a button-like structure with two internal boundaries (inclusions): a two-holed disk and a double annulus. The topology of the confinement generates new structures which we classify in reference to previous work as generalized laminar and generalized Shubnikov states. To explore these configurations, we combine particle-resolved experiments on colloidal rods with three complementary theoretical approaches: Monte-Carlo simulation, first-principles density functional theory and phenomenological $\mathbf{Q}$-tensor modeling. This yields a consistent and comprehensive description of the structural details. In particular, we characterize a nontrivial tilt angle between the direction of the layers and symmetry axes of the confinement. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2303.01425v2-abstract-full').style.display = 'none'; document.getElementById('2303.01425v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 30 August, 2023; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 2 March, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Research 5, 033135 (2023) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2209.04443">arXiv:2209.04443</a> <span> [<a href="https://arxiv.org/pdf/2209.04443">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Methods for Astrophysics">astro-ph.IM</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> </div> <p class="title is-5 mathjax"> The CERN n TOF NEAR station for astrophysics- and application-related neutron activation measurements </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Patronis%2C+N">N. Patronis</a>, <a href="/search/physics?searchtype=author&query=Mengoni%2C+A">A. Mengoni</a>, <a href="/search/physics?searchtype=author&query=Colonna%2C+N">N. Colonna</a>, <a href="/search/physics?searchtype=author&query=Cecchetto%2C+M">M. Cecchetto</a>, <a href="/search/physics?searchtype=author&query=Domingo-Pardo%2C+C">C. Domingo-Pardo</a>, <a href="/search/physics?searchtype=author&query=Aberle%2C+O">O. Aberle</a>, <a href="/search/physics?searchtype=author&query=Lerendegui-Marco%2C+J">J. Lerendegui-Marco</a>, <a href="/search/physics?searchtype=author&query=Gervino%2C+G">G. Gervino</a>, <a href="/search/physics?searchtype=author&query=Stamati%2C+M+E">M. E. Stamati</a>, <a href="/search/physics?searchtype=author&query=Goula%2C+S">S. Goula</a>, <a href="/search/physics?searchtype=author&query=Bernardes%2C+A+P">A. P. Bernardes</a>, <a href="/search/physics?searchtype=author&query=Mastromarco%2C+M">M. Mastromarco</a>, <a href="/search/physics?searchtype=author&query=Manna%2C+A">A. Manna</a>, <a href="/search/physics?searchtype=author&query=Vlastou%2C+R">R. Vlastou</a>, <a href="/search/physics?searchtype=author&query=Massimi%2C+C">C. Massimi</a>, <a href="/search/physics?searchtype=author&query=Calviani%2C+M">M. Calviani</a>, <a href="/search/physics?searchtype=author&query=Alcayne%2C+V">V. Alcayne</a>, <a href="/search/physics?searchtype=author&query=Altieri%2C+S">S. Altieri</a>, <a href="/search/physics?searchtype=author&query=Amaducci%2C+S">S. Amaducci</a>, <a href="/search/physics?searchtype=author&query=Andrzejewski%2C+J">J. Andrzejewski</a>, <a href="/search/physics?searchtype=author&query=Babiano-Suarez%2C+V">V. Babiano-Suarez</a>, <a href="/search/physics?searchtype=author&query=Bacak%2C+M">M. Bacak</a>, <a href="/search/physics?searchtype=author&query=Balibrea%2C+J">J. Balibrea</a>, <a href="/search/physics?searchtype=author&query=Beltrami%2C+C">C. Beltrami</a>, <a href="/search/physics?searchtype=author&query=Bennett%2C+S">S. Bennett</a> , et al. (108 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2209.04443v1-abstract-short" style="display: inline;"> A new experimental area, the NEAR station, has recently been built at the CERN n TOF facility, at a short distance from the spallation target (1.5 m). The new area, characterized by a neutron beam of very high flux, has been designed with the purpose of performing activation measurements of interest for astrophysics and various applications. The beam is transported from the spallation target to th… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2209.04443v1-abstract-full').style.display = 'inline'; document.getElementById('2209.04443v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2209.04443v1-abstract-full" style="display: none;"> A new experimental area, the NEAR station, has recently been built at the CERN n TOF facility, at a short distance from the spallation target (1.5 m). The new area, characterized by a neutron beam of very high flux, has been designed with the purpose of performing activation measurements of interest for astrophysics and various applications. The beam is transported from the spallation target to the NEAR station through a hole in the shielding wall of the target, inside which a collimator is inserted. The new area is complemented with a 纬-ray spectroscopy laboratory, the GEAR station, equipped with a high efficiency HPGe detector, for the measurement of the activity resulting from irradiation of a sample in the NEAR station. The use of a moderator/filter assembly is envisaged, in order to produce a neutron beam of Maxwellian shape at different thermal energies, necessary for the measurement of Maxwellian Averaged Cross Sections of astrophysical interest. A new fast-cycling activation technique is also being investigated, for measurements of reactions leading to isotopes of very short half life. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2209.04443v1-abstract-full').style.display = 'none'; document.getElementById('2209.04443v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 5 September, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2022. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2102.11384">arXiv:2102.11384</a> <span> [<a href="https://arxiv.org/pdf/2102.11384">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Medical Physics">physics.med-ph</span> </div> </div> <p class="title is-5 mathjax"> Knowledge-Based Three-Dimensional Dose Prediction for Tandem-And-Ovoid Brachytherapy </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Cortes%2C+K+G">Katherina G. Cortes</a>, <a href="/search/physics?searchtype=author&query=Simon%2C+A">Aaron Simon</a>, <a href="/search/physics?searchtype=author&query=Kallis%2C+K">Karoline Kallis</a>, <a href="/search/physics?searchtype=author&query=Mayadev%2C+J">Jyoti Mayadev</a>, <a href="/search/physics?searchtype=author&query=Meyers%2C+S">Sandra Meyers</a>, <a href="/search/physics?searchtype=author&query=Moore%2C+K+L">Kevin L. Moore</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="2102.11384v1-abstract-short" style="display: inline;"> Purpose: To develop a knowledge-based voxel-wise dose prediction system using a convolution neural network for high-dose-rate brachytherapy cervical cancer treatments with a tandem-and-ovoid (T&O) applicator. Methods: A 3D U-NET was utilized to output dose predictions using organ-at-risk (OAR), high-risk clinical target volume (HRCTV), and possible source locations. A sample of previous T&O treatm… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2102.11384v1-abstract-full').style.display = 'inline'; document.getElementById('2102.11384v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2102.11384v1-abstract-full" style="display: none;"> Purpose: To develop a knowledge-based voxel-wise dose prediction system using a convolution neural network for high-dose-rate brachytherapy cervical cancer treatments with a tandem-and-ovoid (T&O) applicator. Methods: A 3D U-NET was utilized to output dose predictions using organ-at-risk (OAR), high-risk clinical target volume (HRCTV), and possible source locations. A sample of previous T&O treatments comprising 397 cases (273 training:62 validation:62 test), HRCTV and OARs (bladder/rectum/sigmoid) was used. Structures and dose were interpolated to 1x1x2.5mm3 dose planes with two input channels (source positions, voxel identification) and one output channel for dose. We evaluated dose difference (螖D)(xyz)=D_(actual)(x,y,z)-D_(predicted)(x,y,z) and dice similarity coefficients in all cohorts across the clinically-relevant dose range (20-130% of prescription), mean and standard deviation. We also examined discrete DVH metrics used for T&O plan quality assessment: HRCTV D_90%(dose to hottest 90% volume) and OAR D_2cc, with 螖D_x=D_(x,actual)-D_(x,predicted). Pearson correlation coefficient, standard deviation, and mean quantified model performance on the clinical metrics. Results: Voxel-wise dose difference accuracy for 20-130% dose range for training(test) ranges for mean (螖D) and standard deviation for all voxels was [-0.3%+/-2.0% to +1.0%+/-12.0%] ([-0.1%+/-4% to +4.0%+/-26%]). Voxel-wise dice similarity coefficients for 20-130% dose ranged from [0.96, 0.91]([0.94, 0.87]). DVH metric prediction in the training (test) set were HRCTV(螖D_90)=-0.19+/-0.55 Gy (-0.09+/-0.67 Gy), bladder(螖D_2cc)=-0.06+/-0.54 Gy (-0.17+/-0.67 Gy), rectum(螖D)_2cc=-0.03+/-0.36 Gy (-0.04+/-0.46 Gy), and sigmoid(螖D_2cc)=-0.01+/-0.34 Gy (0.00+/-0.44 Gy). Conclusion: 3D knowledge-based dose predictions for T&O brachytherapy provide accurate voxel-level and DVH metric estimates. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2102.11384v1-abstract-full').style.display = 'none'; document.getElementById('2102.11384v1-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">originally announced</span> February 2021. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2012.10374">arXiv:2012.10374</a> <span> [<a href="https://arxiv.org/pdf/2012.10374">pdf</a>, <a href="https://arxiv.org/format/2012.10374">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Methods for Astrophysics">astro-ph.IM</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1140/epja/s10050-021-00507-7">10.1140/epja/s10050-021-00507-7 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Imaging neutron capture cross sections: i-TED proof-of-concept and future prospects based on Machine-Learning techniques </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Babiano-Su%C3%A1rez%2C+V">V. Babiano-Su谩rez</a>, <a href="/search/physics?searchtype=author&query=Lerendegui-Marco%2C+J">J. Lerendegui-Marco</a>, <a href="/search/physics?searchtype=author&query=Balibrea-Correa%2C+J">J. Balibrea-Correa</a>, <a href="/search/physics?searchtype=author&query=Caballero%2C+L">L. Caballero</a>, <a href="/search/physics?searchtype=author&query=Calvo%2C+D">D. Calvo</a>, <a href="/search/physics?searchtype=author&query=Ladarescu%2C+I">I. Ladarescu</a>, <a href="/search/physics?searchtype=author&query=Domingo-Pardo%2C+C">C. Domingo-Pardo</a>, <a href="/search/physics?searchtype=author&query=Calvi%C3%B1o%2C+F">F. Calvi帽o</a>, <a href="/search/physics?searchtype=author&query=Casanovas%2C+A">A. Casanovas</a>, <a href="/search/physics?searchtype=author&query=Tarife%C3%B1o-Saldivia%2C+A">A. Tarife帽o-Saldivia</a>, <a href="/search/physics?searchtype=author&query=Alcayne%2C+V">V. Alcayne</a>, <a href="/search/physics?searchtype=author&query=Guerrero%2C+C">C. Guerrero</a>, <a href="/search/physics?searchtype=author&query=Mill%C3%A1n-Callado%2C+M+A">M. A. Mill谩n-Callado</a>, <a href="/search/physics?searchtype=author&query=Gonz%C3%A1lez%2C+M+T+R">M. T. Rodr铆guez Gonz谩lez</a>, <a href="/search/physics?searchtype=author&query=Barbagallo%2C+M">M. Barbagallo</a>, <a href="/search/physics?searchtype=author&query=Aberle%2C+O">O. Aberle</a>, <a href="/search/physics?searchtype=author&query=Amaducci%2C+S">S. Amaducci</a>, <a href="/search/physics?searchtype=author&query=Andrzejewski%2C+J">J. Andrzejewski</a>, <a href="/search/physics?searchtype=author&query=Audouin%2C+L">L. Audouin</a>, <a href="/search/physics?searchtype=author&query=Bacak%2C+M">M. Bacak</a>, <a href="/search/physics?searchtype=author&query=Bennett%2C+S">S. Bennett</a>, <a href="/search/physics?searchtype=author&query=Berthoumieux%2C+E">E. Berthoumieux</a>, <a href="/search/physics?searchtype=author&query=Billowes%2C+J">J. Billowes</a>, <a href="/search/physics?searchtype=author&query=Bosnar%2C+D">D. Bosnar</a>, <a href="/search/physics?searchtype=author&query=Brown%2C+A">A. Brown</a> , et al. (110 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="2012.10374v1-abstract-short" style="display: inline;"> i-TED is an innovative detection system which exploits Compton imaging techniques to achieve a superior signal-to-background ratio in ($n,纬$) cross-section measurements using time-of-flight technique. This work presents the first experimental validation of the i-TED apparatus for high-resolution time-of-flight experiments and demonstrates for the first time the concept proposed for background reje… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2012.10374v1-abstract-full').style.display = 'inline'; document.getElementById('2012.10374v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2012.10374v1-abstract-full" style="display: none;"> i-TED is an innovative detection system which exploits Compton imaging techniques to achieve a superior signal-to-background ratio in ($n,纬$) cross-section measurements using time-of-flight technique. This work presents the first experimental validation of the i-TED apparatus for high-resolution time-of-flight experiments and demonstrates for the first time the concept proposed for background rejection. To this aim both $^{197}$Au($n,纬$) and $^{56}$Fe($n, 纬$) reactions were measured at CERN n\_TOF using an i-TED demonstrator based on only three position-sensitive detectors. Two \cds detectors were also used to benchmark the performance of i-TED. The i-TED prototype built for this study shows a factor of $\sim$3 higher detection sensitivity than state-of-the-art \cds detectors in the $\sim$10~keV neutron energy range of astrophysical interest. This paper explores also the perspectives of further enhancement in performance attainable with the final i-TED array consisting of twenty position-sensitive detectors and new analysis methodologies based on Machine-Learning techniques. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2012.10374v1-abstract-full').style.display = 'none'; document.getElementById('2012.10374v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 18 December, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 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">16 pages, 16 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/1911.06972">arXiv:1911.06972</a> <span> [<a href="https://arxiv.org/pdf/1911.06972">pdf</a>, <a href="https://arxiv.org/format/1911.06972">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> </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/10.1088/1742-6596/1668/1/012013">10.1088/1742-6596/1668/1/012013 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Review and new concepts for neutron-capture measurements of astrophysical interest </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Domingo-Pardo%2C+C">C. Domingo-Pardo</a>, <a href="/search/physics?searchtype=author&query=Babiano-Suarez%2C+V">V. Babiano-Suarez</a>, <a href="/search/physics?searchtype=author&query=Balibrea-Correa%2C+J">J. Balibrea-Correa</a>, <a href="/search/physics?searchtype=author&query=Caballero%2C+L">L. Caballero</a>, <a href="/search/physics?searchtype=author&query=Ladarescu%2C+I">I. Ladarescu</a>, <a href="/search/physics?searchtype=author&query=Lerendegui-Marco%2C+J">J. Lerendegui-Marco</a>, <a href="/search/physics?searchtype=author&query=Tain%2C+J+L">J. L. Tain</a>, <a href="/search/physics?searchtype=author&query=Calvi%C3%B1o%2C+F">F. Calvi帽o</a>, <a href="/search/physics?searchtype=author&query=Casanovas%2C+A">A. Casanovas</a>, <a href="/search/physics?searchtype=author&query=Segarra%2C+A">A. Segarra</a>, <a href="/search/physics?searchtype=author&query=Tarife%C3%B1o-Saldivia%2C+A+E">A. E. Tarife帽o-Saldivia</a>, <a href="/search/physics?searchtype=author&query=Guerrero%2C+C">C. Guerrero</a>, <a href="/search/physics?searchtype=author&query=Mill%C3%A1n-Callado%2C+M+A">M. A. Mill谩n-Callado</a>, <a href="/search/physics?searchtype=author&query=Quesada%2C+J+M">J. M. Quesada</a>, <a href="/search/physics?searchtype=author&query=Rodr%C3%ADguez-Gonz%C3%A1lez%2C+M+T">M. T. Rodr铆guez-Gonz谩lez</a>, <a href="/search/physics?searchtype=author&query=Aberle%2C+O">O. Aberle</a>, <a href="/search/physics?searchtype=author&query=Alcayne%2C+V">V. Alcayne</a>, <a href="/search/physics?searchtype=author&query=Amaducci%2C+S">S. Amaducci</a>, <a href="/search/physics?searchtype=author&query=Andrzejewski%2C+J">J. Andrzejewski</a>, <a href="/search/physics?searchtype=author&query=Audouin%2C+L">L. Audouin</a>, <a href="/search/physics?searchtype=author&query=Bacak%2C+M">M. Bacak</a>, <a href="/search/physics?searchtype=author&query=Barbagallo%2C+M">M. Barbagallo</a>, <a href="/search/physics?searchtype=author&query=Bennett%2C+S">S. Bennett</a>, <a href="/search/physics?searchtype=author&query=Berthoumieux%2C+E">E. Berthoumieux</a>, <a href="/search/physics?searchtype=author&query=Bosnar%2C+D">D. Bosnar</a> , et al. (106 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="1911.06972v1-abstract-short" style="display: inline;"> The idea of slow-neutron capture nucleosynthesis formulated in 1957 triggered a tremendous experimental effort in different laboratories worldwide to measure the relevant nuclear physics input quantities, namely ($n,纬$) cross sections over the stellar temperature range (from few eV up to several hundred keV) for most of the isotopes involved from Fe up to Bi. A brief historical review focused on t… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1911.06972v1-abstract-full').style.display = 'inline'; document.getElementById('1911.06972v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1911.06972v1-abstract-full" style="display: none;"> The idea of slow-neutron capture nucleosynthesis formulated in 1957 triggered a tremendous experimental effort in different laboratories worldwide to measure the relevant nuclear physics input quantities, namely ($n,纬$) cross sections over the stellar temperature range (from few eV up to several hundred keV) for most of the isotopes involved from Fe up to Bi. A brief historical review focused on total energy detectors will be presented to illustrate how, advances in instrumentation have led, over the years, to the assessment and discovery of many new aspects of $s$-process nucleosynthesis and to the progressive refinement of theoretical models of stellar evolution. A summary will be presented on current efforts to develop new detection concepts, such as the Total-Energy Detector with $纬$-ray imaging capability (i-TED). The latter is based on the simultaneous combination of Compton imaging with neutron time-of-flight (TOF) techniques, in order to achieve a superior level of sensitivity and selectivity in the measurement of stellar neutron capture rates. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1911.06972v1-abstract-full').style.display = 'none'; document.getElementById('1911.06972v1-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 November, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2019. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Nuclear Physics in Astrophysics IX - Conference Proceedings</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1808.00732">arXiv:1808.00732</a> <span> [<a href="https://arxiv.org/pdf/1808.00732">pdf</a>, <a href="https://arxiv.org/ps/1808.00732">ps</a>, <a href="https://arxiv.org/format/1808.00732">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> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.nima.2019.02.004">10.1016/j.nima.2019.02.004 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Commissioning of the BRIKEN detector for the measurement of very exotic beta-delayed neutron emitters </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Tolosa-Delgado%2C+A">A. Tolosa-Delgado</a>, <a href="/search/physics?searchtype=author&query=Agramunt%2C+J">J. Agramunt</a>, <a href="/search/physics?searchtype=author&query=Tain%2C+J+L">J. L. Tain</a>, <a href="/search/physics?searchtype=author&query=Algora%2C+A">A. Algora</a>, <a href="/search/physics?searchtype=author&query=Domingo-Pardo%2C+C">C. Domingo-Pardo</a>, <a href="/search/physics?searchtype=author&query=Morales%2C+A+I">A. I. Morales</a>, <a href="/search/physics?searchtype=author&query=Rubio%2C+B">B. Rubio</a>, <a href="/search/physics?searchtype=author&query=Tarifeno-Saldivia%2C+A">A. Tarifeno-Saldivia</a>, <a href="/search/physics?searchtype=author&query=Calvino%2C+F">F. Calvino</a>, <a href="/search/physics?searchtype=author&query=Cortes%2C+G">G. Cortes</a>, <a href="/search/physics?searchtype=author&query=Brewer%2C+N+T">N. T. Brewer</a>, <a href="/search/physics?searchtype=author&query=Rasco%2C+B+C">B. C. Rasco</a>, <a href="/search/physics?searchtype=author&query=Rykaczewski%2C+K+P">K. P. Rykaczewski</a>, <a href="/search/physics?searchtype=author&query=Stracener%2C+D+W">D. W. Stracener</a>, <a href="/search/physics?searchtype=author&query=Allmond%2C+J+M">J. M. Allmond</a>, <a href="/search/physics?searchtype=author&query=Grzywacz%2C+R">R. Grzywacz</a>, <a href="/search/physics?searchtype=author&query=Yokoyama%2C+R">R. Yokoyama</a>, <a href="/search/physics?searchtype=author&query=Singh%2C+M">M. Singh</a>, <a href="/search/physics?searchtype=author&query=King%2C+T">T. King</a>, <a href="/search/physics?searchtype=author&query=Madurga%2C+M">M. Madurga</a>, <a href="/search/physics?searchtype=author&query=Nishimura%2C+S">S. Nishimura</a>, <a href="/search/physics?searchtype=author&query=Phong%2C+V+H">V. H. Phong</a>, <a href="/search/physics?searchtype=author&query=Go%2C+S">S. Go</a>, <a href="/search/physics?searchtype=author&query=Liu%2C+J">J. Liu</a>, <a href="/search/physics?searchtype=author&query=Matsui%2C+K">K. Matsui</a> , et al. (41 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1808.00732v1-abstract-short" style="display: inline;"> A new detection system has been installed at the RIKEN Nishina Center (Japan) to investigate decay properties of very neutron-rich nuclei. The setup consists of three main parts: a moderated neutron counter, a detection system sensitive to the implantation and decay of radioactive ions, and gamma-ray detectors. We describe here the setup, the commissioning experiment and some selected results demo… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1808.00732v1-abstract-full').style.display = 'inline'; document.getElementById('1808.00732v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1808.00732v1-abstract-full" style="display: none;"> A new detection system has been installed at the RIKEN Nishina Center (Japan) to investigate decay properties of very neutron-rich nuclei. The setup consists of three main parts: a moderated neutron counter, a detection system sensitive to the implantation and decay of radioactive ions, and gamma-ray detectors. We describe here the setup, the commissioning experiment and some selected results demonstrating its performance for the measurement of half-lives and beta-delayed neutron emission probabilities. The methodology followed in the analysis of the data is described in detail. Particular emphasis is placed on the correction of the accidental neutron background. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1808.00732v1-abstract-full').style.display = 'none'; document.getElementById('1808.00732v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 2 August, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2018. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1708.01178">arXiv:1708.01178</a> <span> [<a href="https://arxiv.org/pdf/1708.01178">pdf</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> </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.2017.12.025">10.1016/j.nima.2017.12.025 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Experimental setup and procedure for the measurement of the 7Be(n,p)7Li reaction at n_TOF </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Barbagallo%2C+M">M. Barbagallo</a>, <a href="/search/physics?searchtype=author&query=Andrzejewski%2C+J">J. Andrzejewski</a>, <a href="/search/physics?searchtype=author&query=Mastromarco%2C+M">M. Mastromarco</a>, <a href="/search/physics?searchtype=author&query=Perkowski%2C+J">J. Perkowski</a>, <a href="/search/physics?searchtype=author&query=Damone%2C+L+A">L. A. Damone</a>, <a href="/search/physics?searchtype=author&query=Gawlik%2C+A">A. Gawlik</a>, <a href="/search/physics?searchtype=author&query=Cosentino%2C+L">L. Cosentino</a>, <a href="/search/physics?searchtype=author&query=Finocchiaro%2C+P">P. Finocchiaro</a>, <a href="/search/physics?searchtype=author&query=Maugeri%2C+E+A">E. A. Maugeri</a>, <a href="/search/physics?searchtype=author&query=Mazzone%2C+A">A. Mazzone</a>, <a href="/search/physics?searchtype=author&query=Dressler%2C+R">R. Dressler</a>, <a href="/search/physics?searchtype=author&query=Heinitz%2C+S">S. Heinitz</a>, <a href="/search/physics?searchtype=author&query=Kivel%2C+N">N. Kivel</a>, <a href="/search/physics?searchtype=author&query=Schumann%2C+D">D. Schumann</a>, <a href="/search/physics?searchtype=author&query=Colonna%2C+N">N. Colonna</a>, <a href="/search/physics?searchtype=author&query=Aberle%2C+O">O. Aberle</a>, <a href="/search/physics?searchtype=author&query=Amaducci%2C+S">S. Amaducci</a>, <a href="/search/physics?searchtype=author&query=Audouin%2C+L">L. Audouin</a>, <a href="/search/physics?searchtype=author&query=Bacak%2C+M">M. Bacak</a>, <a href="/search/physics?searchtype=author&query=Balibrea%2C+J">J. Balibrea</a>, <a href="/search/physics?searchtype=author&query=Be%C4%8Dv%C3%A1%C5%99%2C+F">F. Be膷v谩艡</a>, <a href="/search/physics?searchtype=author&query=Bellia%2C+G">G. Bellia</a>, <a href="/search/physics?searchtype=author&query=Berthoumieux%2C+E">E. Berthoumieux</a>, <a href="/search/physics?searchtype=author&query=Billowes%2C+J">J. Billowes</a>, <a href="/search/physics?searchtype=author&query=Bosnar%2C+D">D. Bosnar</a> , et al. (103 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="1708.01178v1-abstract-short" style="display: inline;"> Following the completion of the second neutron beam line and the related experimental area (EAR2) at the n_TOF spallation neutron source at CERN, several experiments were planned and performed. The high instantaneous neutron flux available in EAR2 allows to investigate neutron indiced reactions with charged particles in the exit channel even employing targets made out of small amounts of short-liv… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1708.01178v1-abstract-full').style.display = 'inline'; document.getElementById('1708.01178v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1708.01178v1-abstract-full" style="display: none;"> Following the completion of the second neutron beam line and the related experimental area (EAR2) at the n_TOF spallation neutron source at CERN, several experiments were planned and performed. The high instantaneous neutron flux available in EAR2 allows to investigate neutron indiced reactions with charged particles in the exit channel even employing targets made out of small amounts of short-lived radioactive isotopes. After the successful measurement of the 7Be(n,伪)伪 cross section, the 7Be(n,p)7Li reaction was studied in order to provide still missing cross section data of relevance for Big Bang Nucleosynthesis (BBN), in an attempt to find a solution to the cosmological Lithium abundance problem. This paper describes the experimental setup employed in such a measurement and its characterization. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1708.01178v1-abstract-full').style.display = 'none'; document.getElementById('1708.01178v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 3 August, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2017. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> CERN-EP-DRAFT-MISC-2017-002 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1606.05544">arXiv:1606.05544</a> <span> [<a href="https://arxiv.org/pdf/1606.05544">pdf</a>, <a href="https://arxiv.org/format/1606.05544">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/10.1088/1748-0221/12/04/P04006">10.1088/1748-0221/12/04/P04006 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Conceptual design of the BRIKEN detector: A hybrid neutron-gamma detection system for nuclear physics at the RIB facility of RIKEN </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Tarife%C3%B1o-Saldivia%2C+A">A. Tarife帽o-Saldivia</a>, <a href="/search/physics?searchtype=author&query=Tain%2C+J+L">J. L. Tain</a>, <a href="/search/physics?searchtype=author&query=Domingo-Pardo%2C+C">C. Domingo-Pardo</a>, <a href="/search/physics?searchtype=author&query=Calvi%C3%B1o%2C+F">F. Calvi帽o</a>, <a href="/search/physics?searchtype=author&query=Cortes%2C+G">G. Cortes</a>, <a href="/search/physics?searchtype=author&query=Phong%2C+V+H">V. H. Phong</a>, <a href="/search/physics?searchtype=author&query=Riego%2C+A">A. Riego</a>, <a href="/search/physics?searchtype=author&query=collaboration%2C+T+B">The BRIKEN collaboration</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="1606.05544v1-abstract-short" style="display: inline;"> BRIKEN is a complex detection system to be installed at the RIB-facility of the RIKEN Nishina Center. It is aimed at the detection of heavy-ion implants, $尾$-particles, $纬$-rays and $尾$-delayed neutrons. The whole detection setup involves the Advanced Implantation Detection Array (AIDA), two HPGe Clover detectors and a large set of 166 counters of 3He embedded in a high-density polyethylene matrix… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1606.05544v1-abstract-full').style.display = 'inline'; document.getElementById('1606.05544v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1606.05544v1-abstract-full" style="display: none;"> BRIKEN is a complex detection system to be installed at the RIB-facility of the RIKEN Nishina Center. It is aimed at the detection of heavy-ion implants, $尾$-particles, $纬$-rays and $尾$-delayed neutrons. The whole detection setup involves the Advanced Implantation Detection Array (AIDA), two HPGe Clover detectors and a large set of 166 counters of 3He embedded in a high-density polyethylene matrix. This article reports on a novel methodology developed for the conceptual design and optimisation of the 3He-tubes array, aiming at the best possible performance in terms of neutron detection. The algorithm is based on a geometric representation of two selected parameters of merit, namely, average neutron detection efficiency and efficiency flatness, as a function of a reduced number of geometric variables. The response of the detection system itself, for each configuration, is obtained from a systematic MC-simulation implemented realistically in Geant4. This approach has been found to be particularly useful. On the one hand, due to the different types and large number of 3He-tubes involved and, on the other hand, due to the additional constraints introduced by the ancillary detectors for charged particles and gamma-rays. Empowered by the robustness of the algorithm, we have been able to design a versatile detection system, which can be easily re-arranged into a compact mode in order to maximize the neutron detection performance, at the cost of the gamma-ray sensitivity. In summary, we have designed a system which shows, for neutron energies up to 1(5) MeV, a rather flat and high average efficiency of 68.6%(64%) and 75.7%(71%) for the hybrid and compact modes, respectively. The performance of the BRIKEN system has been also quantified realistically by means of MC-simulations made with different neutron energy distributions. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1606.05544v1-abstract-full').style.display = 'none'; document.getElementById('1606.05544v1-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 June, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2016. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1604.00181">arXiv:1604.00181</a> <span> [<a href="https://arxiv.org/pdf/1604.00181">pdf</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.2016.05.089">10.1016/j.nima.2016.05.089 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Experimental setup and procedure for the measurement of the 7Be(n,伪)伪 reaction at n_TOF </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Cosentino%2C+L">L. Cosentino</a>, <a href="/search/physics?searchtype=author&query=Musumarra%2C+A">A. Musumarra</a>, <a href="/search/physics?searchtype=author&query=Barbagallo%2C+M">M. Barbagallo</a>, <a href="/search/physics?searchtype=author&query=Pappalardo%2C+A">A. Pappalardo</a>, <a href="/search/physics?searchtype=author&query=Colonna%2C+N">N. Colonna</a>, <a href="/search/physics?searchtype=author&query=Damone%2C+L">L. Damone</a>, <a href="/search/physics?searchtype=author&query=Piscopo%2C+M">M. Piscopo</a>, <a href="/search/physics?searchtype=author&query=Finocchiaro%2C+P">P. Finocchiaro</a>, <a href="/search/physics?searchtype=author&query=Maugeri%2C+E">E. Maugeri</a>, <a href="/search/physics?searchtype=author&query=Heinitz%2C+S">S. Heinitz</a>, <a href="/search/physics?searchtype=author&query=Schumann%2C+D">D. Schumann</a>, <a href="/search/physics?searchtype=author&query=Dressler%2C+R">R. Dressler</a>, <a href="/search/physics?searchtype=author&query=Kivel%2C+N">N. Kivel</a>, <a href="/search/physics?searchtype=author&query=Aberle%2C+O">O. Aberle</a>, <a href="/search/physics?searchtype=author&query=Andrzejewski%2C+J">J. Andrzejewski</a>, <a href="/search/physics?searchtype=author&query=Audouin%2C+L">L. Audouin</a>, <a href="/search/physics?searchtype=author&query=Ayranov%2C+M">M. Ayranov</a>, <a href="/search/physics?searchtype=author&query=Bacak%2C+M">M. Bacak</a>, <a href="/search/physics?searchtype=author&query=Barros%2C+S">S. Barros</a>, <a href="/search/physics?searchtype=author&query=Balibrea-Correa%2C+J">J. Balibrea-Correa</a>, <a href="/search/physics?searchtype=author&query=Beecares%2C+V">V. Beecares</a>, <a href="/search/physics?searchtype=author&query=Becvar%2C+F">F. Becvar</a>, <a href="/search/physics?searchtype=author&query=Beinrucker%2C+C">C. Beinrucker</a>, <a href="/search/physics?searchtype=author&query=Berthoumieux%2C+E">E. Berthoumieux</a>, <a href="/search/physics?searchtype=author&query=Billowes%2C+J">J. Billowes</a> , et al. (107 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="1604.00181v1-abstract-short" style="display: inline;"> The newly built second experimental area EAR2 of the n_TOF spallation neutron source at CERN allows to perform (n, charged particles) experiments on short-lived highly radioactive targets. This paper describes a detection apparatus and the experimental procedure for the determination of the cross-section of the 7Be(n,伪) reaction, which represents one of the focal points toward the solution of the… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1604.00181v1-abstract-full').style.display = 'inline'; document.getElementById('1604.00181v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1604.00181v1-abstract-full" style="display: none;"> The newly built second experimental area EAR2 of the n_TOF spallation neutron source at CERN allows to perform (n, charged particles) experiments on short-lived highly radioactive targets. This paper describes a detection apparatus and the experimental procedure for the determination of the cross-section of the 7Be(n,伪) reaction, which represents one of the focal points toward the solution of the cosmological Lithium abundance problem, and whose only measurement, at thermal energy, dates back to 1963. The apparently unsurmountable experimental difficulties stemming from the huge 7Be 纬-activity, along with the lack of a suitable neutron beam facility, had so far prevented further measurements. The detection system is subject to considerable radiation damage, but is capable of disentangling the rare reaction signals from the very high background. This newly developed setup could likely be useful also to study other challenging reactions requiring the detectors to be installed directly in the neutron beam. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1604.00181v1-abstract-full').style.display = 'none'; document.getElementById('1604.00181v1-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, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">submitted to Nuclear Instruments and Methods in Physics Research A</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Nuclear Instruments and Methods A 830 (2016) 197 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1406.6865">arXiv:1406.6865</a> <span> [<a href="https://arxiv.org/pdf/1406.6865">pdf</a>, <a href="https://arxiv.org/format/1406.6865">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/10.1016/j.nima.2014.05.048">10.1016/j.nima.2014.05.048 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> GEANT4 simulation of the neutron background of the C$_6$D$_6$ set-up for capture studies at n_TOF </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=collaboration%2C+n">n_TOF collaboration</a>, <a href="/search/physics?searchtype=author&query=%3A"> :</a>, <a href="/search/physics?searchtype=author&query=%C5%BDugec%2C+P">P. 沤ugec</a>, <a href="/search/physics?searchtype=author&query=Colonna%2C+N">N. Colonna</a>, <a href="/search/physics?searchtype=author&query=Bosnar%2C+D">D. Bosnar</a>, <a href="/search/physics?searchtype=author&query=Altstadt%2C+S">S. Altstadt</a>, <a href="/search/physics?searchtype=author&query=Andrzejewski%2C+J">J. Andrzejewski</a>, <a href="/search/physics?searchtype=author&query=Audouin%2C+L">L. Audouin</a>, <a href="/search/physics?searchtype=author&query=Barbagallo%2C+M">M. Barbagallo</a>, <a href="/search/physics?searchtype=author&query=B%C3%A9cares%2C+V">V. B茅cares</a>, <a href="/search/physics?searchtype=author&query=Be%C4%8Dv%C3%A1%C5%99%2C+F">F. Be膷v谩艡</a>, <a href="/search/physics?searchtype=author&query=Belloni%2C+F">F. Belloni</a>, <a href="/search/physics?searchtype=author&query=Berthoumieux%2C+E">E. Berthoumieux</a>, <a href="/search/physics?searchtype=author&query=Billowes%2C+J">J. Billowes</a>, <a href="/search/physics?searchtype=author&query=Boccone%2C+V">V. Boccone</a>, <a href="/search/physics?searchtype=author&query=Brugger%2C+M">M. Brugger</a>, <a href="/search/physics?searchtype=author&query=Calviani%2C+M">M. Calviani</a>, <a href="/search/physics?searchtype=author&query=Calvi%C3%B1o%2C+F">F. Calvi帽o</a>, <a href="/search/physics?searchtype=author&query=Cano-Ott%2C+D">D. Cano-Ott</a>, <a href="/search/physics?searchtype=author&query=Carrapi%C3%A7o%2C+C">C. Carrapi莽o</a>, <a href="/search/physics?searchtype=author&query=Cerutti%2C+F">F. Cerutti</a>, <a href="/search/physics?searchtype=author&query=Chiaveri%2C+E">E. Chiaveri</a>, <a href="/search/physics?searchtype=author&query=Chin%2C+M">M. Chin</a>, <a href="/search/physics?searchtype=author&query=Cort%C3%A9s%2C+G">G. Cort茅s</a>, <a href="/search/physics?searchtype=author&query=Cort%C3%A9s-Giraldo%2C+M+A">M. A. Cort茅s-Giraldo</a> , et al. (83 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="1406.6865v1-abstract-short" style="display: inline;"> The neutron sensitivity of the C$_6$D$_6$ detector setup used at n_TOF for capture measurements has been studied by means of detailed GEANT4 simulations. A realistic software replica of the entire n_TOF experimental hall, including the neutron beam line, sample, detector supports and the walls of the experimental area has been implemented in the simulations. The simulations have been analyzed in t… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1406.6865v1-abstract-full').style.display = 'inline'; document.getElementById('1406.6865v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1406.6865v1-abstract-full" style="display: none;"> The neutron sensitivity of the C$_6$D$_6$ detector setup used at n_TOF for capture measurements has been studied by means of detailed GEANT4 simulations. A realistic software replica of the entire n_TOF experimental hall, including the neutron beam line, sample, detector supports and the walls of the experimental area has been implemented in the simulations. The simulations have been analyzed in the same manner as experimental data, in particular by applying the Pulse Height Weighting Technique. The simulations have been validated against a measurement of the neutron background performed with a $^\mathrm{nat}$C sample, showing an excellent agreement above 1 keV. At lower energies, an additional component in the measured $^\mathrm{nat}$C yield has been discovered, which prevents the use of $^\mathrm{nat}$C data for neutron background estimates at neutron energies below a few hundred eV. The origin and time structure of the neutron background have been derived from the simulations. Examples of the neutron background for two different samples are demonstrating the important role of accurate simulations of the neutron background in capture cross section measurements. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1406.6865v1-abstract-full').style.display = 'none'; document.getElementById('1406.6865v1-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, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2014. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> P. Zugec, N. Colonna, D. Bosnar et al., Nucl. Instrum. Methods A 760, 57 (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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