Exclusion Limits On The Wimp-Nucleon Cross Section From The Cryogenic Dark Matter Search

Abusaidi R,Akerib D S,Barnes P D,Bauer D A,Bolozdynya A,Brink P L,Bunker R,Cabrera B,Caldwell D O,Castle J P,Clarke R M,Colling P, Crisler M B,Cummings A,Da Silva A, Davies A K,Dixon R, Dougherty B L,Driscoll D,Eichblatt S,Emes J,Gaitskell R J,Golwala S R,Hale D,Haller E E,Hellmig J,Huber M E,Irwin K D,Jochum J, Lipschultz F P, Lu A,Mandic V,Martinis J M,Nam S W,Nelson H,Neuhauser B, Penn M J,Perera T A,Perillo Isaac M C,Pritychenko B,Ross R R,Saab T,Sadoulet B,Schnee R W, Seitz D N, Shestople P,Shutt T,Smith A,Smith G W,Sonnenschein A H, Spadafora A L,Stockwell W,Taylor J D,White S,Yellin S,Young B A, Null Null

PHYSICAL REVIEW LETTERS（2000）

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摘要

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 3 sigma allowed region for the WIMP signal reported by the DAMA experiment.

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关键词

confidence level,elastic scattering,dark matter,cross section,parameter space,cryogenic dark matter search

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