The MAJORANA DEMONSTRATOR: Progress towards showing the feasibility of a tonne-scale 76Ge neutrinoless double-beta decay experiment

被引：1

作者：

Finnerty, P. ^{[1
,2
]}

Aguayo, E. ^{[3
]}

Amman, M. ^{[4
]}

Avignone, F. T., III ^{[5
,6
]}

Barabash, A. S. ^{[7
]}

Barton, P. J. ^{[8
]}

Beene, J. R. ^{[6
]}

Bertrand, F. E. ^{[6
]}

Boswell, M. ^{[9
]}

Brudanin, V.

Busch, M. ^{[2
,11
]}

Chan, Y-D ^{[8
]}

Christofferson, C. D.

Collar, J. I.

Combs, D. C. ^{[2
,14
]}

Cooper, R. J. ^{[6
]}

Detwiler, J. A. ^{[8
]}

Doe, P. J. ^{[15
]}

Efremenko, Yu ^{[16
]}

Egorov, V. ^{[10
]}

Ejiri, H. ^{[17
]}

Elliott, S. R. ^{[9
]}

Esterline, J. ^{[2
,11
]}

Fast, J. E. ^{[3
]}

Fields, N. ^{[13
]}

Fraenkle, F. M. ^{[1
,2
]}

Galindo-Uribarri, A. ^{[6
]}

Gehman, M. ^{[9
]}

Giovanetti, G. K. ^{[1
,2
]}

Green, M. P. ^{[1
,2
]}

Guiseppe, V. E. ^{[18
]}

Gusey, K. ^{[10
]}

Hallin, A. L. ^{[19
]}

Hazama, R. ^{[17
]}

Henning, R. ^{[1
,2
]}

Hoppe, E. W. ^{[3
]}

Horton, M. ^{[12
]}

Howard, S. ^{[12
]}

Howe, M. A. ^{[1
,2
]}

Johnson, R. A. ^{[15
]}

Keeter, K. J. ^{[20
]}

Kidd, M. F. ^{[9
]}

Knecht, A. ^{[15
]}

Kochetov, O. ^{[10
]}

Konovalov, S. I. ^{[7
]}

Kouzes, R. T. ^{[1
,3
]}

LaFerriere, B. D. ^{[3
]}

Leon, J. ^{[15
]}

Leviner, L. E. ^{[2
,14
]}

Loach, J. C. ^{[8
]}

机构：

[1] Univ N Carolina, Dept Phys & Astron, Chapel Hill, NC 27514 USA

[2] Triangle Univ, Nucl Lab, Durham, NC 27703 USA

[3] Pacific Northwest Natl Lab, Richland, WA 99353 USA

[4] Lawrence Berkeley Natl Lab, Div Engn, Berkeley, CA 94702 USA

[5] Univ South Carolina, Dept Phys & Astron, Columbia, SC 29203 USA

[6] Oak Ridge Natl Lab, Oak Ridge, TN 37830 USA

[7] Inst Theoret & Expt Phys, Moscow, Russia

[8] Lawrence Berkeley Natl Lab, Div Nucl Sci, Berkeley, CA 94702 USA

[9] Los Alamos Natl Lab, Los Alamos, NM 87545 USA

[10] Joint Nucl Res Inst, Dubna, Russia

[11] Duke Univ, Dept Phys, Durham, NC 27706 USA

[12] South Dakota Sch Mines & Technol, Rapid City, SD 57701 USA

[13] Univ Chicago, Dept Phys, Chicago, IL 60637 USA

[14] North Carolina State Univ, Dept Phys, Raleigh, NC USA

[15] Univ Washington, Ctr Expt Nucl Phys & Astrophys, Dept Phys, Seattle, WA 98195 USA

[16] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA

[17] Osaka Univ, Res Ctr Nucl Phys, Dept Phys, Suita, Osaka 565, Japan

[18] Univ S Dakota, Dept Phys, Vermillion, SD 57069 USA

[19] Univ Alberta, Ctr Particle Phys, Edmonton, AB T6G 2M7, Canada

[20] Black Hills State Univ, Dept Phys, Spearfish, SD USA

[21] Univ Calif Berkeley, Dept Nucl Engn, Berkeley, CA 94720 USA

来源：

PASCOS 2012 - 18TH INTERNATIONAL SYMPOSIUM ON PARTICLES STRINGS AND COSMOLOGY | 2014年 / 485卷

基金：

美国国家科学基金会;

关键词：

SEARCH;

D O I：

10.1088/1742-6596/485/1/012042

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The MAJORANA DEMONSTRATOR will search for the neutrinoless double-beta decay (0 nu beta beta) of the Ge-76 isotope with a mixed array of enriched and natural germanium detectors. The observation of this rare decay would indicate the neutrino is its own anti-particle, demonstrate that lepton number is not conserved, and provide information on the absolute mass-scale of the neutrino. The DEMONSTRATOR is being assembled at the 4850 foot level of the Sanford Underground Research Facility in Lead, South Dakota. The array will be contained in a low-background environment and surrounded by passive and active shielding. The goals for the DEMONSTRATOR are: demonstrating a background rate less than 3 t(-1) y(-1) in the 4 keV region of interest (ROT) surrounding the 2039 keV Ge-76 endpoint energy; establishing the technology required to build a tonne-scale germanium based double-beta decay experiment; testing the recent claim of observation of 0 nu beta beta [I]; and performing a direct search for light WIMPs (3-10 GeV/c(2)).

引用

页数：6

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