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New limits on spin-independent and spin-dependent couplings of low-mass WIMP dark matter with a germanium detector at a threshold of 220 eV
Lin, ST; Li, HB; Li, X; Lin, SK; Wong, HT; Deniz, M; Fang, BB; He, D; Li, J; Lin, CW; Lin, FK; Ruan, XC; Singh, V; Soma, AK; Wang, JJ; Wang, YR; Wu, SC; Yue, Q; Zhou, ZY
2009
发表期刊PHYSICAL REVIEW D
卷号79期号:6页码:61101
通讯作者[Lin, S. T. ; Li, H. B. ; Lin, S. K. ; Wong, H. T. ; Deniz, M. ; Lin, C. W. ; Lin, F. K. ; Singh, V. ; Soma, A. K. ; Wang, J. J. ; Wang, Y. R. ; Wu, S. C.] Acad Sinica, Inst Phys, Taipei 115, Taiwan ; [Li, X. ; Fang, B. B. ; He, D. ; Li, J. ; Yue, Q.] Tsinghua Univ, Dept Engn Phys, Beijing 100084, Peoples R China ; [Deniz, M.] Middle E Tech Univ, Dept Phys, TR-06531 Ankara, Turkey ; [Li, J.] Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China ; [Ruan, X. C. ; Zhou, Z. Y.] Inst Atom Energy, Dept Nucl Phys, Beijing 102413, Peoples R China ; [Singh, V. ; Soma, A. K.] Banaras Hindu Univ, Dept Phys, Varanasi 221005, Uttar Pradesh, India
文章类型Article
摘要An energy threshold of (220 +/- 10) eV was achieved at an efficiency of 50% with a four-channel ultralow-energy germanium detector, each with an active mass of 5 g. This provides a unique probe to weakly interacting massive particles (WIMP) dark matter with mass below 10 GeV. With a data acquisition live time of 0.338 kg-day at the Kuo-Sheng Laboratory, constraints on WIMPs in the galactic halo were derived. The limits improve over previous results on both spin-independent WIMP-nucleon and spin-dependent WIMP-neutron cross-sections for WIMP mass between 3 and 6 GeV. Sensitivities for full-scale experiments are projected. This detector technique makes the unexplored sub-keV energy window accessible for new neutrino and dark matter experiments.
学科领域Astronomy & Astrophysics; Physics
研究领域[WOS]Astronomy & Astrophysics ; Physics ; Astronomy & Astrophysics ; Physics
DOI10.1103/PhysRevD.79.061101
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语种英语
研究领域[WOS]Astronomy & Astrophysics ; Physics ; Astronomy & Astrophysics ; Physics
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000264762500001
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被引频次:77[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240712
专题实验物理中心
作者单位中国科学院高能物理研究所
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Lin, ST,Li, HB,Li, X,et al. New limits on spin-independent and spin-dependent couplings of low-mass WIMP dark matter with a germanium detector at a threshold of 220 eV[J]. PHYSICAL REVIEW D,2009,79(6):61101.
APA Lin, ST.,Li, HB.,Li, X.,Lin, SK.,Wong, HT.,...&Zhou, ZY.(2009).New limits on spin-independent and spin-dependent couplings of low-mass WIMP dark matter with a germanium detector at a threshold of 220 eV.PHYSICAL REVIEW D,79(6),61101.
MLA Lin, ST,et al."New limits on spin-independent and spin-dependent couplings of low-mass WIMP dark matter with a germanium detector at a threshold of 220 eV".PHYSICAL REVIEW D 79.6(2009):61101.
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