Combined limits on WIMPs from the CDMS and EDELWEISS experiments
Name
Ahmed-2011-Combined limits on WIMPs from the.pdf
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Author(s)
Figueroa-Feliciano, Enectali
Hertel, Scott Alexander
Leman, Steven W.
McCarthy, Kevin Ahmad
Wikus, Patrick
Date Issued
July 2011
Journal
Physical Review D
Publisher
American Physical Society
Citation
Ahmed, Z. et al. “Combined limits on WIMPs from the CDMS and EDELWEISS experiments.” Physical Review D 84 (2011): n. pag. Web. 4 Nov. 2011. © 2011 American Physical Society
Version
Final published version
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/c[superscript 2], where this analysis is most sensitive, a cross section of 3.3×10[superscript -44] cm[superscript 2] is excluded at 90% C.L. At higher WIMP masses, the combination improves the individual limits, by a factor 1.6 above 700 GeV/c[superscript 2]. Alternative methods of combining the data provide stronger constraints for some ranges of WIMP masses and weaker constraints for others.
MIT Department
Massachusetts Institute of Technology. Department of Physics
MIT Kavli Institute for Astrophysics and Space Research
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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DOI of Published Version
https://doi.org/10.1103/PhysRevD.84.011102
