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Limits on interactions between weakly interacting massive particles and nucleons obtained with NaI(Tl) crystal detectors
- Authors
- Kim, K.W.; Adhikari, G.; Adhikari, P.; Choi, S.; Ha, C.; Hahn, I.S.; Jeon, E.J.; Joo, H.W.; Kang, W.G.; Kim, H.J.; Kim, N.Y.; Kim, S.K.; Kim, Y.D.; Kim, Y.H.; Ko, Y.J.; Lee, H.S.; Lee, J.S.; Lee, J.Y.; Lee, M.H.; Leonard, D.S.; Olsen, S.L.; Park, B.J.; Park, H.K.; Park, H.S.; Park, K.S.
- Issue Date
- Mar-2019
- Publisher
- SPRINGER
- Keywords
- Dark matter; Dark Matter and Double Beta Decay (experiments)
- Citation
- JOURNAL OF HIGH ENERGY PHYSICS, v.2019, no.3
- Journal Title
- JOURNAL OF HIGH ENERGY PHYSICS
- Volume
- 2019
- Number
- 3
- ISSN
- 1126-6708
1029-8479
- Abstract
- Limits on the cross section for weakly interacting massive particles (WIMPs) elastic scattering on nuclei in NaI(Tl) detectors at the Yangyang Underground Laboratory are obtained from a 2967.4 kgday data exposure. The nuclei recoiling from the scattering process are identified by the pulse shape of the scintillation light signals that they produce. The data are consistent with a no nuclear-recoil hypothesis, and WIMP-mass-dependent 90% confidence-level upper-limits are set on WIMP-nuclei elastic scattering cross sections. These limits partially exclude the DAMA/LIBRA allowed region for WIMP-sodium interactions with the same NaI(Tl) target material. The 90% confidence level upper limit on the WIMP-nucleon spin-independent cross section is 3.26x10(-4) pb for a WIMP mass of 10 GeV/c(2).
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Collections - College of Natural Sciences > Department of Physics > 1. Journal Articles
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