Intrinsic backgrounds from Rn and Kr in the XENON100 experiment

被引:16
作者
Aprile, E. [1 ]
Aalbers, J. [2 ,3 ]
Agostini, F. [4 ,5 ,6 ,7 ]
Alfonsi, M. [8 ,9 ]
Amaro, F. D. [10 ]
Anthony, M. [1 ]
Arneodo, F. [11 ]
Barrow, P. [12 ]
Baudis, L. [12 ]
Bauermeister, B. [13 ]
Benabderrahmane, M. L. [11 ]
Berger, T. [14 ]
Breur, P. A. [2 ,3 ]
Brown, A. [2 ,3 ]
Brown, E. [14 ]
Bruenner, S. [15 ]
Bruno, G. [4 ,5 ]
Budnik, R. [16 ]
Buetikofer, L. [17 ,28 ]
Calven, J. [13 ]
Cardoso, J. M. R. [10 ]
Cervantes, M. [18 ]
Cichon, D. [11 ,15 ]
Coderre, D.
Colijn, A. P. [2 ,3 ]
Conrad, J. [13 ]
Cussonneau, J. P. [19 ]
Decowski, M. P. [2 ,3 ]
de Perio, P. [1 ]
Di Gangi, P.
Di Giovanni, A. [11 ]
Diglio, S. [19 ]
Eurin, G. [15 ]
Fei, J. [20 ]
Ferella, A. D. [13 ]
Fieguth, A. [21 ]
Fulgione, W. [4 ,5 ,22 ,23 ]
Rosso, A. Gallo [4 ,5 ]
Galloway, M. [12 ]
Gao, F. [1 ]
Garbini, M. [6 ,7 ]
Geis, C. [8 ,9 ]
Goetzke, L. W.
Greene, Z.
Grignon, C. [8 ,9 ]
Hasterok, C. [15 ]
Hogenbirk, E. [2 ,3 ]
Itay, R. [16 ]
Kaminsky, B. [17 ,28 ]
Kazama, S. [12 ]
机构
[1] Columbia Univ, Phys Dept, New York, NY 10027 USA
[2] Nikhef, Sci Pk, NL-1098 XG Amsterdam, Netherlands
[3] Univ Amsterdam, Sci Pk, NL-1098 XG Amsterdam, Netherlands
[4] INFN, Lab Nazl Gran Sasso, I-67100 Laquila, Italy
[5] Gran Sasso Sci Inst, I-67100 Laquila, Italy
[6] Univ Bologna, Dept Phys & Astrophys, I-40126 Bologna, Italy
[7] INFN, I-40126 Bologna, Italy
[8] Johannes Gutenberg Univ Mainz, Inst Phys, D-55099 Mainz, Germany
[9] Johannes Gutenberg Univ Mainz, Exzellenzcluster PRISMA, D-55099 Mainz, Germany
[10] Univ Coimbra, Dept Phys, LIBPhys, P-3004516 Coimbra, Portugal
[11] New York Univ Abu Dhabi, Abu Dhabi, U Arab Emirates
[12] Univ Zurich, Phys Inst, CH-8057 Zurich, Switzerland
[13] Stockholm Univ, Dept Phys, Oskar Klein Ctr, SE-10691 Stockholm, Sweden
[14] Rensselaer Polytech Inst, Dept Phys Appl Phys & Astron, Troy, NY 12180 USA
[15] Max Planck Inst Kernphys, D-69117 Heidelberg, Germany
[16] Weizmann Inst Sci, Dept Particle Phys & Astrophys, IL-7610001 Rehovot, Israel
[17] Univ Freiburg, Phys Inst, D-79104 Freiburg, Germany
[18] Purdue Univ, Dept Phys & Astron, W Lafayette, IN 47907 USA
[19] Univ Nantes, CNRS, SUBATECH, IMT Atlantique,IN2P3, F-44307 Nantes, France
[20] Univ Calif San Diego, Dept Phys, La Jolla, CA 92093 USA
[21] Westfalische Wilhelms Univ Munster, Inst Kernphys, D-48149 Munster, Germany
[22] INFN, I-10125 Turin, Italy
[23] Osservatorio Astrofis Torino, I-10125 Turin, Italy
[24] Univ Chicago, Kavli Inst Cosmol Phys, Dept Phys, Chicago, IL 60637 USA
[25] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA
[26] Rice Univ, Dept Phys & Astron, Houston, TX 77005 USA
[27] Univ Paris Diderot, Univ Pierre & Marie Curie, CNRS, LPNHE,IN2P3, F-75252 Paris, France
[28] Univ Bern, Albert Einstein Ctr Fundamental Phys, Bern, Switzerland
[29] Coimbra Engn Inst, Coimbra, Portugal
来源
EUROPEAN PHYSICAL JOURNAL C | 2018年 / 78卷 / 02期
基金
美国国家科学基金会; 瑞士国家科学基金会;
关键词
Krypton;
D O I
10.1140/epjc/s10052-018-5565-y
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
In this paper, we describe the XENON100 data analyses used to assess the target-intrinsic background sources radon (222Rn), thoron (Rn-220) and krypton (Kr-85). We detail the event selections of high-energy alpha particles and decay-specific delayed coincidences. We derive distributions of the individual radionuclides inside the detector and quantify their abundances during the main three science runs of the experiment over a period of similar to 4 years, from January 2010 to January 2014. We compare our results to external measurements of radon emanation and krypton concentrations where we find good agreement. We report an observed reduction in concentrations of radon daughters that we attribute to the plating-out of charged ions on the negatively biased cathode.
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页数:12
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