Limits on interactions between weakly interacting massive particles and nucleons obtained with CsI(Tl) crystal detectors

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 sp...

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Bibliographic Details
Published in:Physical review letters 2007-08, Vol.99 (9), p.091301-091301, Article 091301
Main 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
Format: Article
Language:English
Subjects:
CESIUM IODIDES
CROSS SECTIONS
GEV RANGE 10-100
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
PROTONS
SEMICONDUCTOR DETECTORS
SPIN
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Summary: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.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.99.091301