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Combined limits on WIMPs from the CDMS and EDELWEISS experiments

  • Author(s): Ahmed, Z
  • Akerib, DS
  • Armengaud, E
  • Arrenberg, S
  • Augier, C
  • Bailey, CN
  • Balakishiyeva, D
  • Baudis, L
  • Bauer, DA
  • Benoît, A
  • Bergé, L
  • Blümer, J
  • Brink, PL
  • Broniatowski, A
  • Bruch, T
  • Brudanin, V
  • Bunker, R
  • Cabrera, B
  • Caldwell, DO
  • Censier, B
  • Chapellier, M
  • Chardin, G
  • Charlieux, F
  • Cooley, J
  • Coulter, P
  • Cox, GA
  • Cushman, P
  • Daal, M
  • Defay, X
  • De Jesus, M
  • Dejongh, F
  • Di Stefano, PCF
  • Dolgorouki, Y
  • Domange, J
  • Dumoulin, L
  • Dragowsky, MR
  • Eitel, K
  • Fallows, S
  • Figueroa-Feliciano, E
  • Filippini, J
  • Filosofov, D
  • Fourches, N
  • Fox, J
  • Fritts, M
  • Gascon, J
  • Gerbier, G
  • Gironnet, J
  • Golwala, SR
  • Gros, M
  • Hall, J
  • Hennings-Yeomans, R
  • Henry, S
  • Hertel, SA
  • Hervé, S
  • Holmgren, D
  • Hsu, L
  • Huber, ME
  • Juillard, A
  • Kamaev, O
  • Kiveni, M
  • Kluck, H
  • Kos, M
  • Kozlov, V
  • Kraus, H
  • Kudryavtsev, VA
  • Leman, SW
  • Liu, S
  • Loaiza, P
  • Mahapatra, R
  • Mandic, V
  • Marnieros, S
  • Martinez, C
  • McCarthy, KA
  • Mirabolfathi, N
  • Moore, D
  • Nadeau, P
  • Navick, XF
  • Nelson, H
  • Nones, C
  • Ogburn, RW
  • Olivieri, E
  • Pari, P
  • Pattavina, L
  • Paul, B
  • Phipps, A
  • Pyle, M
  • Qiu, X
  • Rau, W
  • Reisetter, A
  • Ricci, Y
  • Robinson, M
  • Rozov, S
  • Saab, T
  • Sadoulet, B
  • Sander, J
  • Sanglard, V
  • et al.

Published Web Location

http://journals.aps.org/prd/pdf/10.1103/PhysRevD.84.011102
No data is associated with this publication.
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 614kg•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 90GeV/c2, where this analysis is most sensitive, a cross section of 3.3×10-44cm2 is excluded at 90% C.L. At higher WIMP masses, the combination improves the individual limits, by a factor 1.6 above 700GeV/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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