Radon-Related Backgrounds in the LUX Dark Matter Search

被引：8

作者：

Bradley, A. ^{[1
]}

Akerib, D. S. ^{[1
]}

Araujo, H. M. ^{[2
]}

Bai, X. ^{[3
]}

Bailey, A. J. ^{[2
]}

Balajthy, J. ^{[4
]}

Bernard, E. ^{[5
]}

Bernstein, A. ^{[6
]}

Byram, D. ^{[7
]}

Cahn, S. B. ^{[5
]}

Carmona-Benitez, M. C. ^{[8
]}

Chan, C. ^{[9
]}

Chapman, J. J. ^{[9
]}

Chiller, A. A. ^{[7
]}

Chiller, C. ^{[7
]}

Coffey, T. ^{[1
]}

Currie, A. ^{[2
]}

de Viveiros, L. ^{[10
]}

Dobi, A. ^{[4
]}

Dobson, J. ^{[11
]}

Druszkiewicz, E. ^{[12
]}

Edwards, B. ^{[5
]}

Faham, C. H. ^{[13
]}

Fiorucci, S. ^{[9
]}

Flores, C. ^{[14
]}

Gaitskell, R. J. ^{[9
]}

Gehman, V. M. ^{[13
]}

Ghag, C. ^{[15
]}

Gibson, K. R. ^{[1
]}

Gilchriese, M. G. D. ^{[13
]}

Hall, C. ^{[4
]}

Hertel, S. A. ^{[5
]}

Horn, M. ^{[5
]}

Huang, D. Q. ^{[9
]}

Ihm, M. ^{[16
]}

Jacobsen, R. G. ^{[16
]}

Kazkaz, K. ^{[6
]}

Knoche, R. ^{[4
]}

Larsen, N. A. ^{[5
]}

Lee, C. ^{[1
]}

Lindote, A. ^{[10
]}

Lopes, M. I. ^{[10
]}

Malling, D. C. ^{[9
]}

Mannino, R. ^{[17
]}

McKinsey, D. N. ^{[5
]}

Mei, D. -M. ^{[7
]}

Mock, J. ^{[14
]}

Moongweluwan, M. ^{[12
]}

Morad, J. ^{[14
]}

Murphy, A. St. J. ^{[11
]}

机构：

[1] Case Western Reserve Univ, Dept Phys, 10900 Euclid Ave, Cleveland, OH 44106 USA

[2] Imperial Coll London, High Energy Phys, Blackett Lab, London SW7 2BZ, England

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

[4] Univ Maryland, Dept Phys, College Pk, MD 20742 USA

[5] Yale Univ, Dept Phys, New Haven, CT 06511 USA

[6] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA

[7] Univ South Dakota, Dept Phys, Vermillion, SD 57069 USA

[8] Univ Calif Santa Barbara, Dept Phys, Santa Barbara, CA 93106 USA

[9] Brown Univ, Dept Phys, Providence, RI 02912 USA

[10] Univ Coimbra, Dept Phys, LIP Coimbra, P-3004516 Coimbra, Portugal

[11] Univ Edinburgh, Sch Phys & Astron, SUPA, Edinburgh EH9 3JZ, Midlothian, Scotland

[12] Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USA

[13] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA

[14] Univ Calif Davis, Dept Phys, Davis, CA 95616 USA

[15] UCL, Dept Phys & Astron, London WC1E 6BT, England

[16] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA

[17] Texas A&M Univ, Dept Phys, College Stn, TX 77843 USA

[18] Sanford Underground Res Facil, South Dakota Sci & Technol Author, Lead, SD 57754 USA

来源：

13TH INTERNATIONAL CONFERENCE ON TOPICS IN ASTROPARTICLE AND UNDERGROUND PHYSICS, TAUP 2013 | 2015年 / 61卷

关键词：

dark matter; liquid noble detectors; xenon; radon; background characterization;

D O I：

10.1016/j.phpro.2014.12.067

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The LUX detector is currently in operation at the Davis Campus at the 4850' level of the Sanford Underground Research Facility (SURF) in Lead, SD to directly search for WIMP dark matter. Knowing the type and rate of backgrounds is critical in a rare, low energy event search, and LUX was designed, constructed, and deployed to mitigate backgrounds, both internal and external. An important internal background are decays of radon and its daughters. These consist of alpha decays, which are easily tagged and are a tracer of certain backgrounds, and beta decays, some of which are not as readily tagged and present a background for the WIMP search. We report on studies of alpha decay and discuss implications for the WIMP search. (C) 2015 The Authors. Published by Elsevier B.V.

引用

页码：658 / 665

页数：8

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