Ahmed, Z. and Filippini, J. and Golwala, S. R. and Moore, D. (2011) Results from a Low-Energy Analysis of the CDMS II Germanium Data. Physical Review Letters, 106 (13). Art. No. 131302. ISSN 0031-9007. doi:10.1103/PhysRevLett.106.131302. https://resolver.caltech.edu/CaltechAUTHORS:20110419-092711120
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Abstract
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/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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| Additional Information: | © 2011 American Physical Society. Received 24 November 2010; published 30 March 2011. The CDMS collaboration gratefully acknowledges the contributions of numerous engineers and technicians; we would like to especially thank Jim Beaty, Bruce Hines, Larry Novak, Richard Schmitt, and Astrid Tomada. In addition, we gratefully acknowledge assistance from the staff of the Soudan Underground Laboratory and the Minnesota Department of Natural Resources. This work is supported in part by the National Science Foundation (Grant Nos. AST-9978911, PHY-0542066, PHY-0503729, PHY-0503629, PHY-0503641, PHY- 0504224, PHY-0705052, PHY-0801708, PHY-0801712, PHY-0802575, PHY-0847342, and PHY-0855525), by the Department of Energy (Contracts DE-AC03-76SF00098, DE-FG02-91ER40688, DE-FG02-92ER40701, DE-FG03-90ER40569, and DE-FG03-91ER40618), by the Swiss National Foundation (SNF Grant No. 20-118119), and by NSERC Canada (Grant SAPIN 341314-07). | ||||||||||||||||||||||||||||||||||||||||
| Group: | Caltech Theory | ||||||||||||||||||||||||||||||||||||||||
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| Issue or Number: | 13 | ||||||||||||||||||||||||||||||||||||||||
| Classification Code: | PACS: 95.35.+d, 14.80.Ly. | ||||||||||||||||||||||||||||||||||||||||
| DOI: | 10.1103/PhysRevLett.106.131302 | ||||||||||||||||||||||||||||||||||||||||
| Record Number: | CaltechAUTHORS:20110419-092711120 | ||||||||||||||||||||||||||||||||||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20110419-092711120 | ||||||||||||||||||||||||||||||||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||||||||||||||||||||||||||||||
| ID Code: | 23376 | ||||||||||||||||||||||||||||||||||||||||
| Collection: | CaltechAUTHORS | ||||||||||||||||||||||||||||||||||||||||
| Deposited By: | Tony Diaz | ||||||||||||||||||||||||||||||||||||||||
| Deposited On: | 21 Apr 2011 21:18 | ||||||||||||||||||||||||||||||||||||||||
| Last Modified: | 09 Nov 2021 16:14 |
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