The Majorana Demonstrator: A search for neutrinoless double-beta decay of germanium-76

S R Elliott ,E Yakushev,M Boswell,S Macmullin,K Vorren,L Mizouni,P Finnerty,M Shirchenko,J Esterline,A L Hallin ,C.‐H Yu ,M P Green ,C O’shaughnessy ,B Shanks ,M Busch,S Howard,J L Orrell ,A S Barabash ,R Henning,Nicole Overman ,V Brudanin,W Tornow,P J Doe ,J Gruszko ,R Hazama,J Leon,A Hegai ,J E Fast ,Y V Efremenko ,H Ejiri,G K Giovanetti ,K J Snavely ,V E Guiseppe ,R D Martin ,K J Keeter ,F E Bertrand ,S Vasilyev ,A R Young ,E W Hoppe ,A Caldwell ,A Soin ,N Abgrall ,K Rielage,R L Varner ,V Egorov,W Xu ,A Galindo‐Uribarri ,S Mertens ,Richard T Kouzes ,F T Avignone ,C D Christofferson ,D C Radford ,B R White ,D G Phillips ,J C Loach ,J A Detwiler ,Y D Chan ,M Nomachi,V Yumatov,R G H Robertson ,M F Kidd ,O Kochetov,A Schubert ,N Snyder ,J F Wilkerson ,M Ronquest ,V Timkin,T Shima,E Aguayo,A M Suriano ,F M Fraenkle ,A W P Poon ,D C Combs ,J Strain,L E Leviner ,J Goett ,B D Laferriere ,K Vetter,M A Howe ,K Gusev ,С И Коновалов ,K Pushkin

doi:10.1063/1.3700592

The Majorana Demonstrator: A search for neutrinoless double-beta decay of germanium-76

S R Elliott , E Yakushev + Show 80 more

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https://doi.org/10.1063/1.3700592

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Publication Date: Jan 1, 2012

Affiliation: Los Alamos National Laboratory, Joint Institute for Nuclear Research, University of North Carolina at Chapel Hill, Pacific Northwest National Laboratory, Duke University, University of Alberta, Oak Ridge National Laboratory, South Dakota School of Mines and Technology, University of Washington, University of Tennessee at Knoxville, Osaka University, Lawrence Berkeley National Laboratory, University of South Dakota, Black Hills State University, North Carolina State University, University of South Carolina, Shanghai Jiao Tong University, Tennessee Technological University, University of California, Berkeley

#Search For Neutrinoless Double-beta Decay #Double-beta Decay + Show 8 more

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Abstract

The observation of neutrinoless double-beta decay would determine whether the neutrino is a Majorana particle and provide information on the absolute scale of neutrino mass. The Majorana Collaboration is constructing the Demonstrator, an array of germanium detectors, to search for neutrinoless double-beta decay of 76Ge. The Demonstrator will contain 40kg of germanium; up to 30kg will be enriched to 86% in 76Ge. The Demonstrator will be deployed deep underground in an ultra-low-background shielded environment. Operation of the Demonstrator aims to determine whether a future tonne-scale germanium experiment can achieve a background goal of one count per tonne-year in a 4-keV region of interest around the 76Ge neutrinoless double-beta decay Q-value of 2039 keV.

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