A search for solar axion induced signals with COSINE-100.

P. Adhikari, G. Adhikari, E. Barbosa de Souza,N. Carlin,S. Choi,M. Djamal,A.C. Ezeribe,C. Ha,I.S. Hahn,E.J. Jeon,J.H. Jo,H.W. Joo,W.G. Kang,W. Kang,M. Kauer,G.S. Kim,H. Kim,H.J. Kim,K.W. Kim,N.Y. Kim,S.K. Kim,Y.D. Kim,Y.H. Kim,Y.J. Ko,V.A. Kudryavtsev,H.S. Lee,J. Lee,J.Y. Lee,M.H. Lee,D.S. Leonard, W.A. Lynch,R.H. Maruyama,F. Mouton,S.L. Olsen, B.J. Park,H.K. Park,H.S. Park,K.S. Park, R.L.C. Pitta,H. Prihtiadi,S. Ra, C. Rott, K.A. Shin, A. Scar, N.J.C. Spooner,W.G. Thompson,L. Yang, G.H. Yu

Astroparticle Physics（2020）

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摘要

We present results from a search for solar axions with the COSINE-100 experiment. We find no evidence of solar axion events from a data-set of 6,303.9 kg · days exposure and set a 90% confidence level upper limit on the axion-electron coupling, gae, of 1.70 ×10−11 for an axion mass less than 1 keV/c2. This limit excludes QCD axions heavier than 0.59 eV/c2 in the DFSZ model and 168.1 eV/c2 in the KSVZ model.

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关键词

Solar axion,COSINE-100,Dark matter

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