Recent results of search for solar axions using resonant absorption by ${}^{83}$Kr nuclei

Abstract

A search for resonant absorption of the solar axion by ${}^{83}\mathrm{Kr}$ 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 $|g_3-g_0|\le 8.4\times 10^{-7}$ allowed us to set the new upper limit on the hadronic axion mass of $m_A\le 65$ eV (95\% C.L.) with the generally accepted values $S$=0.5 and $z$=0.56.

4 pages, 2 figures, Proceedings of the 13th Patras Workshop on Axions, WIMPs and WISP, May 15th to 19th 2017, Thessaloniki, Greece