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is-link">Go</button> </div> </div> </form> </div> </div> <ol class="breathe-horizontal" start="1"> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2111.09351">arXiv:2111.09351</a> <span> [<a href="https://arxiv.org/pdf/2111.09351">pdf</a>, <a href="https://arxiv.org/format/2111.09351">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/10.1088/1748-0221/17/05/T05003">10.1088/1748-0221/17/05/T05003 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The MAJORANA DEMONSTRATOR Readout Electronics System </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Abgrall%2C+N">N. Abgrall</a>, <a href="/search/nucl-ex?searchtype=author&query=Amman%2C+M">M. Amman</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=Avignone%2C+F+T">F. T. Avignone III</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=Barton%2C+C+J">C. J. Barton</a>, <a href="/search/nucl-ex?searchtype=author&query=Barton%2C+P+J">P. J. Barton</a>, <a href="/search/nucl-ex?searchtype=author&query=Bertrand%2C+F+E">F. E. Bertrand</a>, <a href="/search/nucl-ex?searchtype=author&query=Bhimani%2C+K+H">K. H. Bhimani</a>, <a href="/search/nucl-ex?searchtype=author&query=Bos%2C+B">B. Bos</a>, <a href="/search/nucl-ex?searchtype=author&query=Bradley%2C+A+W">A. W. Bradley</a>, <a href="/search/nucl-ex?searchtype=author&query=Burritt%2C+T+H">T. H. Burritt</a>, <a href="/search/nucl-ex?searchtype=author&query=Busch%2C+M">M. Busch</a>, <a href="/search/nucl-ex?searchtype=author&query=Buuck%2C+M">M. Buuck</a>, <a href="/search/nucl-ex?searchtype=author&query=Caldwell%2C+T+S">T. S. Caldwell</a>, <a href="/search/nucl-ex?searchtype=author&query=Chan%2C+Y">Y-D. Chan</a>, <a href="/search/nucl-ex?searchtype=author&query=Christofferson%2C+C+D">C. D. Christofferson</a>, <a href="/search/nucl-ex?searchtype=author&query=Chu%2C+P+-">P. -H. Chu</a>, <a href="/search/nucl-ex?searchtype=author&query=Clark%2C+M+L">M. L. Clark</a>, <a href="/search/nucl-ex?searchtype=author&query=Cooper%2C+R+J">R. J. Cooper</a>, <a href="/search/nucl-ex?searchtype=author&query=Cuesta%2C+C">C. Cuesta</a>, <a href="/search/nucl-ex?searchtype=author&query=Detwiler%2C+J+A">J. A. Detwiler</a>, <a href="/search/nucl-ex?searchtype=author&query=Drobizhev%2C+A">A. Drobizhev</a>, <a href="/search/nucl-ex?searchtype=author&query=Edwins%2C+D+W">D. W. Edwins</a>, <a href="/search/nucl-ex?searchtype=author&query=Efremenko%2C+Y">Yu. Efremenko</a> , et al. (54 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="2111.09351v2-abstract-short" style="display: inline;"> The MAJORANA DEMONSTRATOR comprises two arrays of high-purity germanium detectors constructed to search for neutrinoless double-beta decay in 76-Ge and other physics beyond the Standard Model. Its readout electronics were designed to have low electronic noise, and radioactive backgrounds were minimized by using low-mass components and low-radioactivity materials near the detectors. This paper prov… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2111.09351v2-abstract-full').style.display = 'inline'; document.getElementById('2111.09351v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2111.09351v2-abstract-full" style="display: none;"> The MAJORANA DEMONSTRATOR comprises two arrays of high-purity germanium detectors constructed to search for neutrinoless double-beta decay in 76-Ge and other physics beyond the Standard Model. Its readout electronics were designed to have low electronic noise, and radioactive backgrounds were minimized by using low-mass components and low-radioactivity materials near the detectors. This paper provides a description of all components of the MAJORANA DEMONSTRATOR readout electronics, spanning the front-end electronics and internal cabling, back-end electronics, digitizer, and power supplies, along with the grounding scheme. The spectroscopic performance achieved with these readout electronics is also demonstrated. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2111.09351v2-abstract-full').style.display = 'none'; document.getElementById('2111.09351v2-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 February, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 17 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">For submission to JINST, 17 figures. v2: revised version</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1710.11608">arXiv:1710.11608</a> <span> [<a href="https://arxiv.org/pdf/1710.11608">pdf</a>, <a href="https://arxiv.org/format/1710.11608">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="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevLett.120.132502">10.1103/PhysRevLett.120.132502 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Search for Zero-Neutrino Double Beta Decay in 76Ge with the Majorana Demonstrator </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Aalseth%2C+C+E">C. E. Aalseth</a>, <a href="/search/nucl-ex?searchtype=author&query=Abgrall%2C+N">N. Abgrall</a>, <a href="/search/nucl-ex?searchtype=author&query=Aguayo%2C+E">E. Aguayo</a>, <a href="/search/nucl-ex?searchtype=author&query=Alvis%2C+S+I">S. I. Alvis</a>, <a href="/search/nucl-ex?searchtype=author&query=Amman%2C+M">M. Amman</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=Avignone%2C+F+T">F. T. Avignone III</a>, <a href="/search/nucl-ex?searchtype=author&query=Back%2C+H+O">H. O. Back</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=Barton%2C+C+J">C. J. Barton</a>, <a href="/search/nucl-ex?searchtype=author&query=Barton%2C+P+J">P. J. Barton</a>, <a href="/search/nucl-ex?searchtype=author&query=Bertrand%2C+F+E">F. E. Bertrand</a>, <a href="/search/nucl-ex?searchtype=author&query=Bode%2C+T">T. Bode</a>, <a href="/search/nucl-ex?searchtype=author&query=Bos%2C+B">B. Bos</a>, <a href="/search/nucl-ex?searchtype=author&query=Boswell%2C+M">M. Boswell</a>, <a href="/search/nucl-ex?searchtype=author&query=Brodzinski%2C+R+L">R. L. Brodzinski</a>, <a href="/search/nucl-ex?searchtype=author&query=Bradley%2C+A+W">A. W. Bradley</a>, <a href="/search/nucl-ex?searchtype=author&query=Brudanin%2C+V">V. Brudanin</a>, <a href="/search/nucl-ex?searchtype=author&query=Busch%2C+M">M. Busch</a>, <a href="/search/nucl-ex?searchtype=author&query=Buuck%2C+M">M. Buuck</a>, <a href="/search/nucl-ex?searchtype=author&query=Caldwell%2C+A+S">A. S. Caldwell</a>, <a href="/search/nucl-ex?searchtype=author&query=Caldwell%2C+T+S">T. S. Caldwell</a>, <a href="/search/nucl-ex?searchtype=author&query=Chan%2C+Y">Y-D. Chan</a>, <a href="/search/nucl-ex?searchtype=author&query=Christofferson%2C+C+D">C. D. Christofferson</a> , et al. (104 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="1710.11608v2-abstract-short" style="display: inline;"> The \MJ\ Collaboration is operating an array of high purity Ge detectors to search for neutrinoless double-beta decay in $^{76}$Ge. The \MJ\ \DEM\ comprises 44.1~kg of Ge detectors (29.7 kg enriched in $^{76}$Ge) split between two modules contained in a low background shield at the Sanford Underground Research Facility in Lead, South Dakota. Here we present results from data taken during construct… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1710.11608v2-abstract-full').style.display = 'inline'; document.getElementById('1710.11608v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1710.11608v2-abstract-full" style="display: none;"> The \MJ\ Collaboration is operating an array of high purity Ge detectors to search for neutrinoless double-beta decay in $^{76}$Ge. The \MJ\ \DEM\ comprises 44.1~kg of Ge detectors (29.7 kg enriched in $^{76}$Ge) split between two modules contained in a low background shield at the Sanford Underground Research Facility in Lead, South Dakota. Here we present results from data taken during construction, commissioning, and the start of full operations. We achieve unprecedented energy resolution of 2.5 keV FWHM at \qval\ and a very low background with no observed candidate events in 10 kg yr of enriched Ge exposure, resulting in a lower limit on the half-life of $1.9\times10^{25}$ yr (90\% CL). This result constrains the effective Majorana neutrino mass to below 240 to 520 meV, depending on the matrix elements used. In our experimental configuration with the lowest background, the background is $4.0_{-2.5}^{+3.1}$ counts/(FWHM t yr). <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1710.11608v2-abstract-full').style.display = 'none'; document.getElementById('1710.11608v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 26 March, 2018; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 31 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">typos fixed</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, 132502 (2018) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1505.01827">arXiv:1505.01827</a> <span> [<a href="https://arxiv.org/pdf/1505.01827">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> <p class="title is-5 mathjax"> Crystal growth and detector performance of large size high-purity Ge crystals </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Wang%2C+G">Guojian Wang</a>, <a href="/search/nucl-ex?searchtype=author&query=Amman%2C+M">Mark Amman</a>, <a href="/search/nucl-ex?searchtype=author&query=Mei%2C+H">Hao Mei</a>, <a href="/search/nucl-ex?searchtype=author&query=Mei%2C+D">Dongming Mei</a>, <a href="/search/nucl-ex?searchtype=author&query=Irmscher%2C+K">Klaus Irmscher</a>, <a href="/search/nucl-ex?searchtype=author&query=Guan%2C+Y">Yutong Guan</a>, <a href="/search/nucl-ex?searchtype=author&query=Yang%2C+G">Gang Yang</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="1505.01827v1-abstract-short" style="display: inline;"> High-purity germanium crystals approximately 12 cm in diameter were grown in a hydrogen atmosphere using the Czochralski method. The dislocation density of the crystals was determined to be in the range of 2000 - 4200 cm-2, which meets a requirement for use as a radiation detector. The axial and radial distributions of impurities in the crystals were measured and are discussed. A planar detector w… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1505.01827v1-abstract-full').style.display = 'inline'; document.getElementById('1505.01827v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1505.01827v1-abstract-full" style="display: none;"> High-purity germanium crystals approximately 12 cm in diameter were grown in a hydrogen atmosphere using the Czochralski method. The dislocation density of the crystals was determined to be in the range of 2000 - 4200 cm-2, which meets a requirement for use as a radiation detector. The axial and radial distributions of impurities in the crystals were measured and are discussed. A planar detector was also fabricated from one of the crystals and then evaluated for electrical and spectral performance. Measurements of gamma-ray spectra from Cs-137 and Am-241 sources demonstrate that the detector has excellent energy resolution. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1505.01827v1-abstract-full').style.display = 'none'; document.getElementById('1505.01827v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 7 May, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">22 pages, 11 figures, Accepted for publication in Materials Science in Semiconductor Processing</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1210.2678">arXiv:1210.2678</a> <span> [<a href="https://arxiv.org/pdf/1210.2678">pdf</a>, <a href="https://arxiv.org/format/1210.2678">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> </div> <p class="title is-5 mathjax"> The MAJORANA DEMONSTRATOR: Progress towards showing the feasibility of a tonne-scale 76Ge neutrinoless double-beta decay experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Finnerty%2C+P">P. Finnerty</a>, <a href="/search/nucl-ex?searchtype=author&query=Aguayo%2C+E">E. Aguayo</a>, <a href="/search/nucl-ex?searchtype=author&query=Amman%2C+M">M. Amman</a>, <a href="/search/nucl-ex?searchtype=author&query=Avignone.%2C+F+T">F. T. Avignone. III</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=Barton%2C+P+J">P. J. Barton</a>, <a href="/search/nucl-ex?searchtype=author&query=Beene%2C+J+R">J. R. Beene</a>, <a href="/search/nucl-ex?searchtype=author&query=Bertrand%2C+F+E">F. E. Bertrand</a>, <a href="/search/nucl-ex?searchtype=author&query=Boswell%2C+M">M. Boswell</a>, <a href="/search/nucl-ex?searchtype=author&query=Brudanin%2C+V">V. Brudanin</a>, <a href="/search/nucl-ex?searchtype=author&query=Busch%2C+M">M. Busch</a>, <a href="/search/nucl-ex?searchtype=author&query=Chan%2C+Y+-">Y. -D. Chan</a>, <a href="/search/nucl-ex?searchtype=author&query=Christofferson%2C+C+D">C. D. Christofferson</a>, <a href="/search/nucl-ex?searchtype=author&query=Collar%2C+J+I">J. I. Collar</a>, <a href="/search/nucl-ex?searchtype=author&query=Combs%2C+D+C">D. C. Combs</a>, <a href="/search/nucl-ex?searchtype=author&query=Cooper%2C+R+J">R. J. Cooper</a>, <a href="/search/nucl-ex?searchtype=author&query=Detwiler%2C+J+A">J. A. Detwiler</a>, <a href="/search/nucl-ex?searchtype=author&query=Doe%2C+P+J">P. J. Doe</a>, <a href="/search/nucl-ex?searchtype=author&query=Efremenko%2C+Y">Yu. Efremenko</a>, <a href="/search/nucl-ex?searchtype=author&query=Egorov%2C+V">V. Egorov</a>, <a href="/search/nucl-ex?searchtype=author&query=Ejiri%2C+H">H. Ejiri</a>, <a href="/search/nucl-ex?searchtype=author&query=Elliott%2C+S+R">S. R. Elliott</a>, <a href="/search/nucl-ex?searchtype=author&query=Esterline%2C+J">J. Esterline</a>, <a href="/search/nucl-ex?searchtype=author&query=Fast%2C+J+E">J. E. Fast</a>, <a href="/search/nucl-ex?searchtype=author&query=Fields%2C+N">N. Fields</a> , et al. (58 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="1210.2678v1-abstract-short" style="display: inline;"> The MAJORANA DEMONSTRATOR will search for the neutrinoless double-beta decay of the 76Ge isotope with a mixed array of enriched and natural germanium detectors. The observation of this rare decay would indicate the neutrino is its own anti-particle, demonstrate that lepton number is not conserved, and provide information on the absolute mass-scale of the neutrino. The DEMONSTRATOR is being assembl… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1210.2678v1-abstract-full').style.display = 'inline'; document.getElementById('1210.2678v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1210.2678v1-abstract-full" style="display: none;"> The MAJORANA DEMONSTRATOR will search for the neutrinoless double-beta decay of the 76Ge isotope with a mixed array of enriched and natural germanium detectors. The observation of this rare decay would indicate the neutrino is its own anti-particle, demonstrate that lepton number is not conserved, and provide information on the absolute mass-scale of the neutrino. The DEMONSTRATOR is being assembled at the 4850 foot level of the Sanford Underground Research Facility in Lead, South Dakota. The array will be contained in a low-background environment and surrounded by passive and active shielding. The goals for the DEMONSTRATOR are: demonstrating a background rate less than 3 t$^{-1}$ y$^{-1}$ in the 4 keV region of interest (ROI) surrounding the 2039 keV 76Ge endpoint energy; establishing the technology required to build a tonne-scale germanium based double-beta decay experiment; testing the recent claim of observation of neutrinoless double-beta decay [H. V. Klapdor-Kleingrothaus and I. V. Krivosheina, Mod. Phys. Lett. A21, 1547 (2006)]; and performing a direct search for light WIMPs (3-10 GeV). <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1210.2678v1-abstract-full').style.display = 'none'; document.getElementById('1210.2678v1-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 October, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2012. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">6 pages, 2 figures. Proceedings from the 18th International Symposium on Particles, Strings and Cosmology in Merida, Mexico, June 3-8, 2012. To be published in IOP Conference Series. http://www.fisica.unam.mx/pascos2012/</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1207.6716">arXiv:1207.6716</a> <span> [<a href="https://arxiv.org/pdf/1207.6716">pdf</a>, <a href="https://arxiv.org/ps/1207.6716">ps</a>, <a href="https://arxiv.org/format/1207.6716">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"> Characteristics of Signals Originating Near the Lithium-Diffused N+ Contact of High Purity Germanium P-Type Point Contact Detectors </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=The+MAJORANA+Collaboration"> The MAJORANA Collaboration</a>, <a href="/search/nucl-ex?searchtype=author&query=Aguayo%2C+E">E. Aguayo</a>, <a href="/search/nucl-ex?searchtype=author&query=Amman%2C+M">M. Amman</a>, <a href="/search/nucl-ex?searchtype=author&query=Avignone%2C+F+T">F. T. Avignone III</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=Barton%2C+P+J">P. J. Barton</a>, <a href="/search/nucl-ex?searchtype=author&query=Beene%2C+J+R">J. R. Beene</a>, <a href="/search/nucl-ex?searchtype=author&query=Bertrand%2C+F+E">F. E. Bertrand</a>, <a href="/search/nucl-ex?searchtype=author&query=Boswell%2C+M">M. Boswell</a>, <a href="/search/nucl-ex?searchtype=author&query=Brudanin%2C+V">V. Brudanin</a>, <a href="/search/nucl-ex?searchtype=author&query=Busch%2C+M">M. Busch</a>, <a href="/search/nucl-ex?searchtype=author&query=Chan%2C+Y">Y-D. Chan</a>, <a href="/search/nucl-ex?searchtype=author&query=Christofferson%2C+C+D">C. D. Christofferson</a>, <a href="/search/nucl-ex?searchtype=author&query=Collar%2C+J+I">J. I. Collar</a>, <a href="/search/nucl-ex?searchtype=author&query=Combs%2C+D+C">D. C. Combs</a>, <a href="/search/nucl-ex?searchtype=author&query=Cooper%2C+R+J">R. J. Cooper</a>, <a href="/search/nucl-ex?searchtype=author&query=Detwiler%2C+J+A">J. A. Detwiler</a>, <a href="/search/nucl-ex?searchtype=author&query=Doe%2C+P+J">P. J. Doe</a>, <a href="/search/nucl-ex?searchtype=author&query=Efremenko%2C+Y">Yu. Efremenko</a>, <a href="/search/nucl-ex?searchtype=author&query=Egorov%2C+V">V. Egorov</a>, <a href="/search/nucl-ex?searchtype=author&query=Ejiri%2C+H">H. Ejiri</a>, <a href="/search/nucl-ex?searchtype=author&query=Elliott%2C+S+R">S. R. Elliott</a>, <a href="/search/nucl-ex?searchtype=author&query=Esterline%2C+J">J. Esterline</a>, <a href="/search/nucl-ex?searchtype=author&query=Fast%2C+J+E">J. E. Fast</a>, <a href="/search/nucl-ex?searchtype=author&query=Fields%2C+N">N. Fields</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="1207.6716v1-abstract-short" style="display: inline;"> A study of signals originating near the lithium-diffused n+ contact of p-type point contact (PPC) high purity germanium detectors (HPGe) is presented. The transition region between the active germanium and the fully dead layer of the n+ contact is examined. Energy depositions in this transition region are shown to result in partial charge collection. This provides a mechanism for events with a wel… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1207.6716v1-abstract-full').style.display = 'inline'; document.getElementById('1207.6716v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1207.6716v1-abstract-full" style="display: none;"> A study of signals originating near the lithium-diffused n+ contact of p-type point contact (PPC) high purity germanium detectors (HPGe) is presented. The transition region between the active germanium and the fully dead layer of the n+ contact is examined. Energy depositions in this transition region are shown to result in partial charge collection. This provides a mechanism for events with a well defined energy to contribute to the continuum of the energy spectrum at lower energies. A novel technique to quantify the contribution from this source of background is introduced. Experiments that operate germanium detectors with a very low energy threshold may benefit from the methods presented herein. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1207.6716v1-abstract-full').style.display = 'none'; document.getElementById('1207.6716v1-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 July, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2012. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">32 pages, 14 figures, submitted to Nucl. Instrum. Meth. A</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1110.0131">arXiv:1110.0131</a> <span> [<a href="https://arxiv.org/pdf/1110.0131">pdf</a>, <a href="https://arxiv.org/ps/1110.0131">ps</a>, <a href="https://arxiv.org/format/1110.0131">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/10.1016/j.nima.2012.02.047">10.1016/j.nima.2012.02.047 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Determining the Drift Time of Charge Carriers in P-Type Point-Contact HPGe Detectors </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Martin%2C+R+D">R. D. Martin</a>, <a href="/search/nucl-ex?searchtype=author&query=Amman%2C+M">M. Amman</a>, <a href="/search/nucl-ex?searchtype=author&query=Chan%2C+Y+D">Y. D. Chan</a>, <a href="/search/nucl-ex?searchtype=author&query=Detwiler%2C+J+A">J. A. Detwiler</a>, <a href="/search/nucl-ex?searchtype=author&query=Loach%2C+J+C">J. C. Loach</a>, <a href="/search/nucl-ex?searchtype=author&query=Looker%2C+Q">Q. Looker</a>, <a href="/search/nucl-ex?searchtype=author&query=Luke%2C+P+N">P. N. Luke</a>, <a href="/search/nucl-ex?searchtype=author&query=Poon%2C+A+W+P">A. W. P. Poon</a>, <a href="/search/nucl-ex?searchtype=author&query=Qian%2C+J">J. Qian</a>, <a href="/search/nucl-ex?searchtype=author&query=Vetter%2C+K">K. Vetter</a>, <a href="/search/nucl-ex?searchtype=author&query=Yaver%2C+H">H. Yaver</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="1110.0131v1-abstract-short" style="display: inline;"> An algorithm to measure the drift time of charge carriers in p-type point contact (PPC) high-purity germanium (HPGe) detectors from the signals processed with a charge-sensitive preamplifier is introduced. It is demonstrated that the drift times can be used to estimate the distance of charge depositions from the point contact and to characterize losses due to charge trapping. A correction for char… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1110.0131v1-abstract-full').style.display = 'inline'; document.getElementById('1110.0131v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1110.0131v1-abstract-full" style="display: none;"> An algorithm to measure the drift time of charge carriers in p-type point contact (PPC) high-purity germanium (HPGe) detectors from the signals processed with a charge-sensitive preamplifier is introduced. It is demonstrated that the drift times can be used to estimate the distance of charge depositions from the point contact and to characterize losses due to charge trapping. A correction for charge trapping effects over a wide range of energies is implemented using the measured drift times and is shown to improve the energy resolution by up to 30%. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1110.0131v1-abstract-full').style.display = 'none'; document.getElementById('1110.0131v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 1 October, 2011; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2011. </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, 8 figures, submitted to Nucl. Instrum. Meth. A</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Nuclear Inst. and Methods in Physics Research, A (2012), pp. 98-104 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1007.3231">arXiv:1007.3231</a> <span> [<a href="https://arxiv.org/pdf/1007.3231">pdf</a>, <a href="https://arxiv.org/ps/1007.3231">ps</a>, <a href="https://arxiv.org/format/1007.3231">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.nima.2010.08.100">10.1016/j.nima.2010.08.100 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Astroparticle Physics with a Customized Low-Background Broad Energy Germanium Detector </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=MAJORANA+Collaboration"> MAJORANA Collaboration</a>, <a href="/search/nucl-ex?searchtype=author&query=Aalseth%2C+C+E">C. E. Aalseth</a>, <a href="/search/nucl-ex?searchtype=author&query=Amman%2C+M">M. Amman</a>, <a href="/search/nucl-ex?searchtype=author&query=Avignone%2C+F+T">F. T. Avignone III</a>, <a href="/search/nucl-ex?searchtype=author&query=Back%2C+H+O">H. O. Back</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=Bergevin%2C+M">M. Bergevin</a>, <a href="/search/nucl-ex?searchtype=author&query=Bertrand%2C+F+E">F. E. Bertrand</a>, <a href="/search/nucl-ex?searchtype=author&query=Boswell%2C+M">M. Boswell</a>, <a href="/search/nucl-ex?searchtype=author&query=Brudanin%2C+V">V. Brudanin</a>, <a href="/search/nucl-ex?searchtype=author&query=Bugg%2C+W">W. Bugg</a>, <a href="/search/nucl-ex?searchtype=author&query=Burritt%2C+T+H">T. H. Burritt</a>, <a href="/search/nucl-ex?searchtype=author&query=Busch%2C+M">M. Busch</a>, <a href="/search/nucl-ex?searchtype=author&query=Capps%2C+G">G. Capps</a>, <a href="/search/nucl-ex?searchtype=author&query=Chan%2C+Y">Y-D. Chan</a>, <a href="/search/nucl-ex?searchtype=author&query=Collar%2C+J+I">J. I. Collar</a>, <a href="/search/nucl-ex?searchtype=author&query=Cooper%2C+R+J">R. J. Cooper</a>, <a href="/search/nucl-ex?searchtype=author&query=Creswick%2C+R">R. Creswick</a>, <a href="/search/nucl-ex?searchtype=author&query=Detwiler%2C+J+A">J. A. Detwiler</a>, <a href="/search/nucl-ex?searchtype=author&query=Diaz%2C+J">J. Diaz</a>, <a href="/search/nucl-ex?searchtype=author&query=Doe%2C+P+J">P. J. Doe</a>, <a href="/search/nucl-ex?searchtype=author&query=Efremenko%2C+Y">Yu. Efremenko</a>, <a href="/search/nucl-ex?searchtype=author&query=Egorov%2C+V">V. Egorov</a>, <a href="/search/nucl-ex?searchtype=author&query=Ejiri%2C+H">H. Ejiri</a> , et al. (78 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="1007.3231v2-abstract-short" style="display: inline;"> The MAJORANA Collaboration is building the MAJORANA DEMONSTRATOR, a 60 kg array of high purity germanium detectors housed in an ultra-low background shield at the Sanford Underground Laboratory in Lead, SD. The MAJORANA DEMONSTRATOR will search for neutrinoless double-beta decay of 76Ge while demonstrating the feasibility of a tonne-scale experiment. It may also carry out a dark matter search in t… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1007.3231v2-abstract-full').style.display = 'inline'; document.getElementById('1007.3231v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1007.3231v2-abstract-full" style="display: none;"> The MAJORANA Collaboration is building the MAJORANA DEMONSTRATOR, a 60 kg array of high purity germanium detectors housed in an ultra-low background shield at the Sanford Underground Laboratory in Lead, SD. The MAJORANA DEMONSTRATOR will search for neutrinoless double-beta decay of 76Ge while demonstrating the feasibility of a tonne-scale experiment. It may also carry out a dark matter search in the 1-10 GeV/c^2 mass range. We have found that customized Broad Energy Germanium (BEGe) detectors produced by Canberra have several desirable features for a neutrinoless double-beta decay experiment, including low electronic noise, excellent pulse shape analysis capabilities, and simple fabrication. We have deployed a customized BEGe, the MAJORANA Low-Background BEGe at Kimballton (MALBEK), in a low-background cryostat and shield at the Kimballton Underground Research Facility in Virginia. This paper will focus on the detector characteristics and measurements that can be performed with such a radiation detector in a low-background environment. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1007.3231v2-abstract-full').style.display = 'none'; document.getElementById('1007.3231v2-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 July, 2010; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 19 July, 2010; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2010. </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 NIMA Proceedings, SORMA XII. 9 pages, 4 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Nucl.Instrum.Meth.A652:692-695,2011 </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 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