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

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Title
Limits on interactions between weakly interacting massive particles and nucleons obtained with NaI(Tl) crystal detectors
Author(s)
K.W. Kim; Adhikari G.; Adhikari P.; Choi S.; C. Ha; Kevin Insik, Hahn; E.J. Jeon; Joo H.W.; W.G. Kang; Kim H.J.; N.Y. Kim; Kim S.K.; Y.D. Kim; Y.H. Kim; Y.J. Ko; H.S. Lee; J.S. Lee; Lee J.Y.; M.H. Lee; D.S. Leonard; S.L. Olsen; B.J. Park; Park H.K.; Park H.S.; K.S. Park; The KIMS collaboration
Publication Date
2019-03
Journal
JOURNAL OF HIGH ENERGY PHYSICS, v.2019, no.3, pp.194
Publisher
SPRINGER
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 kg·day 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 3.26×10 −4 pb for a WIMP mass of 10 GeV/c 2 . © 2019, The Author(s)
URI
https://pr.ibs.re.kr/handle/8788114/6600
DOI
10.1007/JHEP03(2019)194
ISSN
1029-8479
Appears in Collections:
Center for Underground Physics(지하실험 연구단) > 1. Journal Papers (저널논문)
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