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hep-ph2025
Supernova production of axion-like particles coupling to electrons, reloaded
Damiano F. G. Fiorillo, Tetyana Pitik, Edoardo Vitagliano
We revisit the production of axion-like particles (ALPs) coupled to electrons at tree-level in a relativistic plasma. We explicitly demonstrate the equivalence between pseudoscalar…
hep-ph2025
Energy transfer by feebly interacting particles in supernovae: the trapping regime
Damiano F. G. Fiorillo, Tetyana Pitik, Edoardo Vitagliano
Feebly interacting particles, such as sterile neutrinos, dark photons, and axions, can be abundantly produced in the proto-neutron star (PNS) formed in core-collapse supernovae (CC…