The MAJORANA DEMONSTRATOR: A Search for Neutrinoless Double-beta Decay of Germanium-76

被引:5
|
作者
Schubert, A. G. [1 ]
Aguayo, E. [2 ]
Avignone, F. T., III [3 ,4 ]
Backe, H. O. [5 ,6 ]
Barabash, A. S. [7 ]
Bergevin, M. [8 ,10 ]
Bertrand, F. E. [4 ]
Boswell, M. [9 ]
Brudanin, V.
Busch, M. [6 ,11 ]
Chan, Y-D. [8 ]
Christofferson, C. D. [12 ]
Collar, J. I. [13 ]
Combs, D. C. [5 ,6 ]
Cooper, R. J. [4 ]
Detwiler, J. A. [8 ]
Leon, J. [1 ]
Doe, P. J. [1 ]
Efremenko, Yu [14 ]
Egorov, V. [10 ]
Ejiri, H. [15 ]
Elliott, S. R. [9 ]
Esterline, J. [11 ]
Fast, J. E. [2 ]
Fields, N. [13 ]
Finnerty, P. [6 ]
Fraenkle, F. M. [6 ]
Gehman, V. M. [9 ]
Giovanett, G. K. [6 ,16 ]
Green, M. P. [6 ,16 ]
Guiseppe, V. E. [17 ]
Gusey, K. [10 ]
Hallin, A. L. [18 ]
Hazama, R. [15 ]
Henning, R. [6 ,16 ]
Hime, A.
Hoppe, E. W. [2 ]
Horton, M. [12 ]
Howard, S. [12 ]
Howe, M. A. [6 ,16 ]
Johnson, R. A. [1 ]
Keeter, K. J. [19 ]
Keillor, M. E. [2 ]
Keller, C. [17 ]
Kephart, J. D. [2 ]
Kidd, M. F. [9 ]
Knecht, A. [1 ]
Kochetov, O. [10 ]
Konovalov, S. I. [7 ]
Kouzes, R. T. [2 ]
机构
[1] Univ Washington, Ctr Expt Nucl Phys & Astrophys, Seattle, WA 98195 USA
[2] Pacific Northwest Natl Lab, Richland, WA USA
[3] Univ S Carolina, Dept Phys & Astron, Columbia, SC USA
[4] Oak Ridge Natl Lab, Oak Ridge, TN USA
[5] North Carolina State Univ, Dept Phys, Raleigh, NC USA
[6] Triangle Univ Nucl Lab, Durham, NC USA
[7] Inst Theoret & Expt Phys, Moscow, Russia
[8] Lawrence Berkeley Natl Lab, Div Nucl Sci, Berkeley, CA USA
[9] Los Alamos Natl Lab, Los Alamos, NM USA
[10] Joint Nucl Res Inst, Dubna, Russia
[11] Duke Univ, Dept Phys, Durham, NC USA
[12] South Dakota Sch Mines & Technol, Rapid City, SD USA
[13] Univ Chicago, Dept Phys, Chicago, IL USA
[14] Univ Tennessee, Dept Phys & Astron, Knoxville, TN USA
[15] Osaka Univ, Res Ctr Nucl Phys, Dept Phys, Ibaraki, Japan
[16] Univ N Carolina, Dept Phys & Astron, Chapel Hill, NC USA
[17] Univ South Dakota, Dept Earth Sci & Phys, Vermillion, SD USA
[18] Univ Alberta, Ctr Particle Phys, Edmonton, AB, Canada
[19] Black Hills State Univ, Dept Phys, Spearfish, SD USA
[20] Univ Calif Berkeley, Dept Nucl Engn, Berkeley, CA USA
基金
美国国家科学基金会;
关键词
germanium; low-background; neutrinoless double-beta decay;
D O I
10.1063/1.3700592
中图分类号
O59 [应用物理学];
学科分类号
摘要
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 Ge-76. The DEMONSTRATOR will contain 40 kg of germanium; up to 30 kg will be enriched to 86% in Ge-76. 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 Ge-76 neutrinoless double-beta decay Q-value of 2039 keV.
引用
收藏
页码:480 / 482
页数:3
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