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26 April 2024

» arxiv » 1007.3231

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Astroparticle Physics with a Customized Low-Background Broad Energy Germanium Detector
MAJORANA Collaboration ; C.E. Aalseth ; M. Amman ; F.T. Avignone III ; H.O. Back ; A.S. Barabash ; P.S. Barbeau ; M. Bergevin ; F.E. Bertrand ; M. Boswell ; V. Brudanin ; W. Bugg ; T.H. Burritt ; M. Busch ; G. Capps ; Y-D. Chan ; J.I. Collar ; R.J. Cooper ; R. Creswick ; J.A. Detwiler ; J. Diaz ; P.J. Doe ; Yu. Efremenko ; V. Egorov ; H. Ejiri ; S.R. Elliott ; J. Ely ; J. Esterline ; H. Farach ; J.E. Fast ; N. Fields ; P. Finnerty ; B. Fujikawa ; E. Fuller ; V.M. Gehman ; G.K. Giovanetti ; V.E. Guiseppe ; K. Gusey ; A.L. Hallin ; G.C Harper ; R. Hazama ; R. Henning ; A. Hime ; E.W. Hoppe ; T.W. Hossbach ; M.A. Howe ; R.A. Johnson ; K.J. Keeter ; M. Keillor ; C. Keller ; J.D. Kephart ; M.F. Kidd ; A. Knecht ; O. Kochetov ; S.I. Konovalov ; R.T. Kouzes ; L. Leviner ; J.C. Loach ; P.N. Luke ; S. MacMullin ; M.G. Marino ; R.D. Martin ; D.-M. Mei ; H.S. Miley ; M.L. Miller ; L. Mizouni ; A.W. Meyers ; M. Nomachi ; J.L. Orrell ; D. Peterson ; D.G. Phillips II ; A.W.P. Poon ; G. Prior ; J. Qian ; D.C. Radford ; K. Rielage ; R.G.H. Robertson ; L. Rodriguez ; K.P. Rykaczewski ; H. Salazar ; A.G. Schubert ; T. Shima ; M. Shirchenko ; D. Steele ; J. Strain ; G. Swift ; K. Thomas ; V. Timkin ; W. Tornow ; T.D. Van Wechel ; I. Vanyushin ; R.L. Varner ; K. Vetter ; J.F. Wilkerson ; B.A. Wolfe ; W. Xiang ; E. Yakushev ; H. Yaver ; A.R. Young ; C.-H. Yu ; V. Yumatov ; C. Zhang ; S. Zimmerman ;
Date:	19 Jul 2010
Abstract:	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.
Source:	arXiv, 1007.3231
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