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Exclusion limits on the WIMP-nucleon cross section from the Cryogenic Dark Matter Search

Abusaidi, R. and Akerib, D. S. and Barnes, P. D., Jr. and Bauer, D. A. and Bolozdynya, A. and Brink, P. L. and Bunker, R. and Cabrera, B. and Caldwell, D. O. and Castle, J. P. and Clarke, R. M. and Colling, P. and Crisler, M. B. and Cummings, A. C. and Da Silva, A. and Davies, A. K. and Dixon, R. and Dougherty, B. L. and Driscoll, D. and Eichblatt, S. and Emes, J. and Gaitskell, R. J. and Golwala, S. R. and Hale, D. and Haller, E. E. and Hellmig, J. and Huber, M. E. and Irwin, K. D. and Jochum, J. and Lipschultz, F. P. and Lu, A. and Mandic, V. and Martinis, J. M. and Nam, S. W. and Nelson, H. and Neuhauser, B. and Penn, M. J. and Perera, T. A. and Isaac, M. C. Perillo and Pritychenko, B. and Ross, R. R. and Saab, T. and Sadoulet, B. and Schnee, R. W. and Seitz, D. N. and Shestople, P. and Shutt, T. and Smith, A. and Smith, G. W. and Sonnenschein, A. H. and Spadafora, A. L. and Stockwell, W. and Taylor, J. D. and White, S. and Yellin, S. and Young, B. A. and CDMS, Collaboration (2000) Exclusion limits on the WIMP-nucleon cross section from the Cryogenic Dark Matter Search. Physical Review Letters, 84 (25). pp. 5699-5703. ISSN 0031-9007. http://resolver.caltech.edu/CaltechAUTHORS:ABUprl00

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Abstract

The Cryogenic Dark Matter Search (CDMS) employs Ge and Si detectors to search for weakly interacting massive particles (WIMPs) via their elastic-scattering interactions with nuclei while discriminating against interactions of background particles. CDMS data, accounting for the neutron background, give limits on the spin-independent WIMP-nucleon elastic-scattering cross section that exclude unexplored parameter space above 10 GeV/c^2 WIMP mass and, at >75% C.L., the entire 3σ allowed region for the WIMP signal reported by the DAMA experiment.


Item Type:Article
Additional Information:©2000 The American Physical Society. Received 28 February 2000; revised 12 April 2000. We thank Paul Luke of LBNL for his advice regarding surface-event rejection. We thank the engineering and technical staffs at our respective institutions for invaluable support. This work is supported by the Center for Particle Astrophysics, an NSF Science and Technology Center operated by the University of California, Berkeley, under Cooperative Agreement No. AST-91-20005, by the National Science Foundation under Grant No. PHY-9722414, by the Department of Energy under Contracts No. DE-AC03-76SF00098, No. DE-FG03-90ER40569, No. DE-FG03-91ER40618, and by Fermilab, operated by the Universities Research Association, Inc., under Contract No. DE-AC02-76CH03000 with the Department of Energy.
Group:Space Radiation Laboratory
Subject Keywords:25 MK; IONIZATION; GERMANIUM; CRYSTAL
Record Number:CaltechAUTHORS:ABUprl00
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:ABUprl00
Alternative URL:http://dx.doi.org/10.1103/PhysRevLett.84.5699
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:3789
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:11 Jul 2006
Last Modified:17 Nov 2014 20:37

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