| Results from a Search for Light-Mass Dark Matter with a p-Type Point Contact Germanium Detector. | |
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MedLine Citation:
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PMID: 21517370 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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We report on several features in the energy spectrum from an ultralow-noise germanium detector operated deep underground. By implementing a new technique able to reject surface events, a number of cosmogenic peaks can be observed for the first time. We discuss an irreducible excess of bulklike events below 3 keV in ionization energy. These could be caused by unknown backgrounds, but also dark matter interactions consistent with DAMA/LIBRA. It is not yet possible to determine their origin. Improved constraints are placed on a cosmological origin for the DAMA/LIBRA effect. |
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Authors:
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C E Aalseth; P S Barbeau; N S Bowden; B Cabrera-Palmer; J Colaresi; J I Collar; S Dazeley; P de Lurgio; J E Fast; N Fields; C H Greenberg; T W Hossbach; M E Keillor; J D Kephart; M G Marino; H S Miley; M L Miller; J L Orrell; D C Radford; D Reyna; O Tench; T D Van Wechel; J F Wilkerson; K M Yocum; |
Publication Detail:
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Type: Journal Article Date: 2011-03-29 |
Journal Detail:
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Title: Physical review letters Volume: 106 ISSN: 1079-7114 ISO Abbreviation: Phys. Rev. Lett. Publication Date: 2011 Apr |
Date Detail:
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Created Date: 2011-04-26 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0401141 Medline TA: Phys Rev Lett Country: United States |
Other Details:
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Languages: eng Pagination: 131301 Citation Subset: IM |
Affiliation:
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Pacific Northwest National Laboratory, Richland, Washington 99352, USA. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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