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Limits on interactions between weakly interacting massive particles and nucleons obtained with CsI(Tl) crystal detectors |
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| Authors: | Lee H S Bhang H C Choi J H Dao H Hahn I S Hwang M J Jung S W Kang W G Kim D W Kim H J Kim S C Kim S K Kim Y D Kwak J W Kwon Y J Lee J Lee J H Lee J I Lee M J Lee S J Li J Li X Li Y J Myung S S Ryu S So J H Yue Q Zhu J J;KIMS Collaboration |
| Affiliation: | DMRC and Department of Physics and Astronomy, Seoul National University, Seoul, Korea. |
| 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. |
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