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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-58440

CDMS, EDELWEISS Collaborations,; Ahmed, Z; Akerib, D S; Armengaud, E; Arrenberg, S; Augier, C; Baudis, L; Yoo, J (2011). Combined limits on WIMPs from the CDMS and EDELWEISS experiments. Physical Review D, 84(1):011102.

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Abstract

The CDMS and EDELWEISS collaborations have combined the results of their direct searches for dark matter using cryogenic germanium detectors. The total data set represents 614  kg·days equivalent exposure. A straightforward method of combination was chosen for its simplicity before data were exchanged between experiments. The results are interpreted in terms of limits on spin-independent weakly interacting, massive particle (WIMP)-nucleon cross section. For a WIMP mass of 90  GeV/c2, where this analysis is most sensitive, a cross section of 3.3×10-44  cm2 is excluded at 90% C.L. At higher WIMP masses, the combination improves the individual limits, by a factor 1.6 above 700  GeV/c2. Alternative methods of combining the data provide stronger constraints for some ranges of WIMP masses and weaker constraints for others.

© 2011 American Physical Society

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
07 Faculty of Science > Institute for Computational Science
DDC:530 Physics
Language:English
Date:2011
Deposited On:12 Feb 2012 17:19
Last Modified:17 Jun 2014 19:52
Publisher:American Physical Society
ISSN:1550-7998 (P) 1089-4918 (E)
Publisher DOI:10.1103/PhysRevD.84.011102
Related URLs:http://arxiv.org/abs/1105.3377

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