Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 6, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP06(2016)011
Keywords
Dark Matter and Double Beta Decay (experiments)
Categories
Funding
- Institute for Basic Science (IBS) in Korea [IBS-R016-D1, IBS-R016-D2]
- WCU program [R32-10155]
- National Research Foundation of Korea [NRF-2011-0031280, NRF-2011-35B-C00007]
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The results of a search for solar axions from the Korea Invisible Mass Search (KIMS) experiment at the Yangyang Underground Laboratory are presented. Low-energy electron-recoil events would be produced by conversion of solar axions into electrons via the axio-electric effect in CsI(Tl) crystals. Using data from an exposure of 34,596 kg.days, we set a 90 % confidence level upper limit on the axion-electron coupling, g(ae), of 1.39x10(-11) for an axion mass less than 1 keV/c(2). This limit is lower than the indirect solar neutrino bound, and fully excludes QCD axions heavier than 0.48 eV/c(2) and 140.9 eV/c(2) for the DFSZ and KSVZ models respectively.
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