Axion-electron coupling from the RGB tip of Globular Clusters
published by Oscar Straniero
in 2018
in Physics
and research's language is
English
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Abstract in English
We present a preliminary study of the Globular Cluster RGB devoted to improve the available constraint for the axion-electron coupling. By means of multi-band IR photometry of the cluster M3 we obtain g_{ae}/10^{-13} < 2.57 (95% C.L.).