期刊
PHYSICAL REVIEW LETTERS
卷 106, 期 13, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.106.131302
关键词
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资金
- National Science Foundation [AST-9978911, PHY-0542066, PHY-0503729, PHY-0503629, PHY-0503641, PHY-0504224, PHY-0705052, PHY-0801708, PHY-0801712, PHY-0802575, PHY-0847342, PHY-0855525]
- Department of Energy [DE-AC03-76SF00098, DE-FG02-91ER40688, DE-FG02-92ER40701, DE-FG03-90ER40569, DE-FG03-91ER40618]
- Swiss National Foundation (SNF) [20-118119]
- NSERC Canada [SAPIN 341314-07]
- Direct For Mathematical & Physical Scien
- Division Of Physics [1004714] Funding Source: National Science Foundation
- Direct For Mathematical & Physical Scien
- Division Of Physics [0802575] Funding Source: National Science Foundation
We report results from a reanalysis of data from the Cryogenic Dark Matter Search (CDMS II) experiment at the Soudan Underground Laboratory. Data taken between October 2006 and September 2008 using eight germanium detectors are reanalyzed with a lowered, 2 keV recoil-energy threshold, to give increased sensitivity to interactions from weakly interacting massive particles (WIMPs) with masses below similar to 10 GeV/c(2). This analysis provides stronger constraints than previous CDMS II results for WIMP masses below 9 GeV/c(2) and excludes parameter space associated with possible low-mass WIMP signals from the DAMA/LIBRA and CoGeNT experiments.
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