title: Limits on interactions between weakly interacting massive particles and nucleons obtained with CsI(Tl) crystal detectors.
abstract: The Korea Invisible Mass Search (KIMS) experiment presents new limits on the weakly interacting massive particle (WIMP)-nucleon cross section using data from an exposure of 3409 kg.d taken with low-background CsI(Tl) crystals at the Yangyang Underground Laboratory. The most stringent limit on the spin-dependent interaction for a pure proton case is obtained. The DAMA signal region for both spin-independent and spin-dependent interactions for the WIMP masses greater than 20 GeV/c2 is excluded by the single experiment with crystal scintillators.
authors.affiliation: DMRC and Department of Physics and Astronomy, Seoul National University, Seoul, Korea.
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