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Elliott, Steven Ray; Elliott, Steve; Gehman, V M; Guiseppe, V E; Hime, A; Rielage, K; Rodriguez, L; Wouters, J M; Aalseth, C E; Akashi - Ronquest, M; Amman, M; Amsbaugh, J F; Avignone Ill, F T; Back, H O; Baktash, C; Barabash, A S; Barbeau, P; Beene, J R; Bergevin, M; Bertrand, F E; Boswell, M; Brudanin, V; Bugg, W; Burritt, T H; Chan, Y - D; Cianciolo, T V; Collar, J; Creswick, R; Cromaz, M; Detwiler, J A; Doe, P J; Dunmore, J A; Efremenko, Yu; Egorov, V; Ejiri, H; Ely, J; Esterline, J; Farach, H; Farmer, T; Fast, J; Finnerty, P; Fujikawa, B; Greenberg, C; Gusey, K; Hallin, A L; Hazama, R; Henning, R; Hossbach, T; Hoppe, E; Howe, M A; Hurley, D; Hyronimus, B; Johnson, R A; Keillor, M; Keller, C; Kephart, J; Kidd, M; Kochetov, O; Konovalov, S I; Kouzes, R T; Lesko, K T; Leviner, L; Luke, P; Macmullin, S; Marino, M G; Mcdonald, A B; Mei, D - M; Miley, H S; Myers, A W; Nomachi, M; Odom, B; Orrell, J; Poon, A W P; Prior, G; Radford, D C; Reeves, J H; Riley, N; Robertson, R G H; Rykaczewski, K P; Schubert, A G; Shima, T; Shirchenko, M; Timkin, V; Thompson, R; Tornow, W; Tull, C; Van Wechel, T D; Vanyushin, I; Varner, R L; Vetter, K; Warner, R; Wilkerson, J F; Yakushev, E; Young, A R; Yu, C - H; Yumatov, V; Yin, Z - B
01/2008, Letnik: 173Conference Proceeding
Building a 0{nu}{beta}{beta} experiment with the ability to probe neutrino mass in the inverted hierarchy region requires the combination of a large detector mass sensitive to 0{nu}{beta}{beta}, on the order of 1 ton, and unprecedented background levels, on the order of or less than 1 count per year in the 0{nu}{beta}{beta} signal region. The MAJORANA Collaboration proposes a design based on using high-purity enriched {sup 76}Ge crystals deployed in ultra-low background electroformed Cu cryostats and using modern analysis techniques that should be capable of reaching the required sensitivity while also being scalable to a 1-ton size. To demonstrate feasibility, the collaboration plans to construct a prototype system, the MAJORANA Demonstrator, consisting of 30 kg of 86% enriched {sup 76}Ge detectors and 30 kg of natural or isotope-76-depleted Ge detectors. We plan to deploy and evaluate two different Ge detector technologies, one based on a p-type configuration and the other on n-type.
