Combined limits on WIMPs from the CDMS and EDELWEISS experiments
- Figueroa-Feliciano, Enectali
- Hertel, Scott Alexander
- Leman, Steven W.
- McCarthy, Kevin Ahmad
- Wikus, Patrick
DOIAbstract
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]. Al...
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