Axion-electron coupling from the RGB tip of Globular Clusters

Alessandro Mirizzi; Inmaculata Dominguez; Maurizio Giannotti; Oscar Straniero

arxiv: 1802.10357 · v1 · pith:K5M3LTEYnew · submitted 2018-02-28 · 🌌 astro-ph.SR

Axion-electron coupling from the RGB tip of Globular Clusters

Oscar Straniero , Inmaculata Dominguez , Maurizio Giannotti , Alessandro Mirizzi This is my paper

classification 🌌 astro-ph.SR

keywords axion-electronclustercouplingglobularavailableclustersconstraintdevoted

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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.).

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Axion-electron coupling from the RGB tip of Globular Clusters

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