Recent results of search for solar axions using resonant absorption by 83Kr nuclei
Abstract
A search for resonant absorption of the solar axion by 83Kr nuclei was performed using the proportional counter installed inside the low-background setup at the Baksan Neutrino Observatory. The obtained model independent upper limit on the combination of isoscalar and isovector axion-nucleon couplings |g3-g0|≤ 8.4× 10-7 allowed us to set the new upper limit on the hadronic axion mass of mA≤ 65 eV (95\% C.L.) with the generally accepted values S=0.5 and z=0.56.
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