no code implementations • 18 Sep 2020 • Mengjiao Xiao, Kerstin M. Perez, Maurizio Giannotti, Oscar Straniero, Alessandro Mirizzi, Brian W. Grefenstette, Brandon M. Roach, Melania Nynka
We use the first observation of Betelgeuse in hard $X$-rays to perform a novel search for axion-like particles (ALPs).
High Energy Astrophysical Phenomena High Energy Physics - Phenomenology
no code implementations • 23 Jun 2014 • Adrian Ayala, Inma Dominguez, Maurizio Giannotti, Alessandro Mirizzi, Oscar Straniero
We derive a strong bound on the axion-photon coupling $g_{a\gamma}$ from the analysis of a sample of 39 Galactic Globular Clusters.
Solar and Stellar Astrophysics High Energy Physics - Phenomenology
