Radon-related Backgrounds in the LUX Dark Matter Search

Radon-related Backgrounds in the LUX Dark Matter Search
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DOI：
10.1016/j.phpro.2014.12.067
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发表时间：
2015
期刊：
Physics Procedia
影响因子：
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通讯作者：
A. Bradley;D. Akerib;H. Araújo;X. Bai;A. Bailey;J. Balajthy;E. Bernard;A. Bernstein;D. Byram;S. Cahn;M. Carmona-Benitez;C. Chan;J. Chapman;A. A. Chiller-A.;C. Chiller;T. Coffey;A. Currie;L. D. Viveiros;A. Dobi;J. Dobson;E. Druszkiewicz;B. Edwards;C. Faham;S. Fiorucci;C. Flores;R. Gaitskell;V. Gehman;C. Ghag;K. Gibson;M. Gilchriese;C. Hall;S. Hertel;M. Horn;D. Huang;M. Ihm;R. Jacobsen;K. Kazkaz;R. Knoche;N. Larsen;C. Lee;A. Lindote;M. Lopes;D. Malling;R. Mannino;D. McKinsey;D. Mei;J. Mock;M. Moongweluwan;J. Morad;A. Murphy;C. Nehrkorn;H. Nelson;F. Neves;R. Ott;M. Pangilinan;P. Parker;E. K. Pease;K. Pech;P. Phelps;L. Reichhart;T. Shutt;Catarina Silva;V. Solovov;P. Sorensen;K. O'Sullivan;T. Sumner;M. Szydagis;D. Taylor;B. Tennyson;D. Tiedt;M. Tripathi;S. Uvarov;J. Verbus;N. Walsh;R. Webb;J. White;M. Witherell;F. Wolfs;M. Woods;C. Zhang
A. Bradley;D. Akerib;H. Araújo;X. Bai;A. Bailey;J. Balajthy;E. Bernard;A. Bernstein;D. Byram;S. Cahn;M. Carmona-Benitez;C. Chan;J. Chapman;A. A. Chiller-A.;C. Chiller;T. Coffey;A. Currie;L. D. Viveiros;A. Dobi;J. Dobson;E. Druszkiewicz;B. Edwards;C. Faham;S. Fiorucci;C. Flores;R. Gaitskell;V. Gehman;C. Ghag;K. Gibson;M. Gilchriese;C. Hall;S. Hertel;M. Horn;D. Huang;M. Ihm;R. Jacobsen;K. Kazkaz;R. Knoche;N. Larsen;C. Lee;A. Lindote;M. Lopes;D. Malling;R. Mannino;D. McKinsey;D. Mei;J. Mock;M. Moongweluwan;J. Morad;A. Murphy;C. Nehrkorn;H. Nelson;F. Neves;R. Ott;M. Pangilinan;P. Parker;E. K. Pease;K. Pech;P. Phelps;L. Reichhart;T. Shutt;Catarina Silva;V. Solovov;P. Sorensen;K. O'Sullivan;T. Sumner;M. Szydagis;D. Taylor;B. Tennyson;D. Tiedt;M. Tripathi;S. Uvarov;J. Verbus;N. Walsh;R. Webb;J. White;M. Witherell;F. Wolfs;M. Woods;C. Zhang
中科院分区：
其他
文献类型：
--
作者：
A. Bradley;D. Akerib;H. Araújo;X. Bai;A. Bailey;J. Balajthy;E. Bernard;A. Bernstein;D. Byram;S. Cahn;M. Carmona-Benitez;C. Chan;J. Chapman;A. A. Chiller-A.;C. Chiller;T. Coffey;A. Currie;L. D. Viveiros;A. Dobi;J. Dobson;E. Druszkiewicz;B. Edwards;C. Faham;S. Fiorucci;C. Flores;R. Gaitskell;V. Gehman;C. Ghag;K. Gibson;M. Gilchriese;C. Hall;S. Hertel;M. Horn;D. Huang;M. Ihm;R. Jacobsen;K. Kazkaz;R. Knoche;N. Larsen;C. Lee;A. Lindote;M. Lopes;D. Malling;R. Mannino;D. McKinsey;D. Mei;J. Mock;M. Moongweluwan;J. Morad;A. Murphy;C. Nehrkorn;H. Nelson;F. Neves;R. Ott;M. Pangilinan;P. Parker;E. K. Pease;K. Pech;P. Phelps;L. Reichhart;T. Shutt;Catarina Silva;V. Solovov;P. Sorensen;K. O'Sullivan;T. Sumner;M. Szydagis;D. Taylor;B. Tennyson;D. Tiedt;M. Tripathi;S. Uvarov;J. Verbus;N. Walsh;R. Webb;J. White;M. Witherell;F. Wolfs;M. Woods;C. Zhang

文献摘要

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LUX探测器目前在位于美国南达科他州铅市的桑福德地下研究设施（SURF）4850'层的戴维斯校区运行，以直接搜索WIMP暗物质。了解背景的类型和速率在罕见的低能量事件搜索中至关重要，LUX的设计，构造和部署都是为了减轻内部和外部的背景。一个重要的内部背景是氡及其子体的衰变。这些衰变包括容易标记的α衰变和β衰变，α衰变是某些背景的示踪剂，β衰变中的一些不容易标记，并为WIMP搜索提供背景。我们报告的α衰变的研究和讨论的WIMP搜索的影响。
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.