期刊
JOURNAL OF INSTRUMENTATION
卷 12, 期 -, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1748-0221/12/02/T02002
关键词
Dark Matter detectors (WIMPs, axions, etc.); Time projection chambers; Very low-energy charged particle detectors
资金
- 985-III grant from Shanghai Jiao Tong University
- National Science Foundation of China [11435008, 11455001, 11505112, 11525522]
- Ministry of Science and Technology of China [2016YFA0400301, 2016YFA0400302]
- Key Laboratory for Particle Physics, Astrophysics and Cosmology, Ministry of Education
- Shanghai Key Laboratory for Particle Physics and Cosmology (SKLPPC)
- Chinese Academy of Sciences Center for Excellence in Particle Physics (CCEPP)
We discuss an in-situ evaluation of the Kr-85, Rn-222, and Rn-220 background in PandaX-I, a 120-kg liquid xenon dark matter direct detection experiment. Combining with a simulation, their contributions to the low energy electron-recoil background in the dark matter search region are obtained.
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