Results from the Cryogenic Dark Matter Search at Soudan Underground Laboratory

Details Results from the Cryogenic Dark Matter Search at Soudan Underground Laboratory Results from the Cryogenic Dark Matter Search at Soudan Underground Laboratory

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aipc..805...62y&link_type=abstract

PARTICLES, STRINGS, AND COSMOLOGY: 11th International Symposium on Particles, Strings, and Cosmology; PASCOS 2005. AIP Conferen

Physics

Dark Matter, Elementary Particle Processes, Solid-State Detectors, Supersymmetric Partners Of Known Particles

Scientific paper

We present results from the Cryogenic Dark Matter Search at Soudan Underground Laboratory for two-tower arrays of detector. Twelve detectors were operated from March 25 to August 8, 2004, or 74.5 detector live days. Within expected background, no statistically significant indication of a WIMP signal was observed. Based on this null observation and combined with our previous results, we exclude a spin-averaged WIMP-nucleon interaction cross section above 1.6 × 10-43 cm2 for Ge detectors, and 3 × 1042 cm2 for Si detectors, for a WIMP mass 60 GeV/c2 with 90%C.L. This result constrains parameter space of minimal supersymmetric standard models (MSSM) and starts to reach the parameter space of a constrained model (CMSSM).

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