Results from a Low-Energy Analysis of the CDMS II Germanium Data
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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 ∼10 GeV/c2 [Ge V / c superscript 2]. This analysis provides stronger constraints than previous CDMS II results for WIMP masses below 9 GeV/c2 [Ge V / c superscript 2] and excludes parameter space associated with possible low-mass WIMP signals from the DAMA/LIBRA and CoGeNT experiments.
Date issued
2011-03Department
Massachusetts Institute of Technology. Department of Physics; MIT Kavli Institute for Astrophysics and Space ResearchJournal
Physical review letters
Publisher
American Physical Society
Citation
Ahmed, Z. et al. “Results from a Low-Energy Analysis of the CDMS II Germanium Data.” Physical Review Letters 106.13 (2011) : n. pag. © 2011 American Physical Society
Version: Final published version
ISSN
0031-9007