Status of the MAJORANA Demonstrator

C. Cuesta , N. Abgrall , I.J. Arnquist , F.T. Avignone III , A.S. Barabash , F.E. Bertrand , V. Brudanin , M. Busch

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M. Buuck D. Byram A.S. Caldwell Y-D. Chan C.D. Christofferson J.A. Detwiler Yu. Efremenko H. Ejiri S.R. Elliott A. Galindo-Uribarri G.K. Giovanetti J. Goett M.P. Greenn J. Gruszko I.S. Guinn V.E. Guiseppe R. Henning E.W. Hoppe S. Howard M.A. Howe B.R. Jasinski K.J. Keeter M.F. Kidd S.I. Konovalov R.T. Kouzes B.D. LaFerriere J. Leon J. MacMullin R.D. Martin S.J. Meijer S. Mertens J.L. Orrell C. O'Shaughnessy N.R. Overman A.W.P. Poon D.C. Radford J. Rager K. Rielage R.G.H. Robertson E. Romero-Romero C. Schmitt B. Shanks M. Shirchenko N. Snyder A.M. Suriano D. Tedeschi V. Timkin J.E. Trimble R.L. Varner S. Vasilyev K. Vetter K. Vorren B.R. White J.F. Wilkerson C. Wiseman W. Xu E. Yakushev C.-H. Yu V. Yumatov

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classification ⚛️ physics.ins-det nucl-ex

keywords demonstratormajoranabackgrounddecaydouble-betaneutrinolessregionstatus

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The MAJORANA Collaboration is constructing the MAJORANA Demonstrator, an ultra-low background, 40-kg modular high purity Ge detector array to search for neutrinoless double-beta decay in Ge. In view of the next generation of tonne-scale Ge-based neutrinoless double-beta decay searches that will probe the neutrino mass scale in the inverted-hierarchy region, a major goal of the Demonstrator is to demonstrate a path forward to achieving a background rate at or below 1 count/tonne/year in the 4 keV region of interest around the Q-value at 2039 keV. The current status of the Demonstrator is discussed, as are plans for its completion.

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Status of the MAJORANA Demonstrator

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