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Published June 19, 2000 | Published
Journal Article Open

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

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.

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.

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Created:
August 21, 2023
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October 16, 2023