209 citations · 2.7k across the 53 of their papers we have counts for
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astro-ph1997
Pseudoscalar Conversion and Gamma-Rays from Supernovae
Eduard Masso
A light pseudoscalar coupled to two photons would be copiously emitted by the core of a supernova and part of this flux would be converted to gamma-rays by the galactic magnetic fi…
hep-ph1997★ 77 cited
New Constraints on a Light Spinless Particle Coupled to Photons
Eduard Masso, Ramon Toldra
We obtain new stringent constraints on a light spinless particle phi coupled only to photons at low energies, considering its effects on the extragalactic photon background, the bl…