Analytic approach to axion-like-particle emission in core-collapse supernovae
arXiv:2209.14318 · doi:10.1016/j.astropartphys.2023.102855
Abstract
We investigate the impact of a presumed axion-like-particle (ALP) emission in a core-collapse supernova explosion on neutrino luminosities and mean energies employing a relatively simple analytic description. We compute the nuclear Bremsstrahlung and Primakoff axion luminosities as functions of the protoneutron star (PNS) parameters and discuss how the ALP luminosities compete with the neutrino emission, modifying the total PNS thermal energy dissipation. Our results are publicly available in the python package ARtiSANS, which can be used to compute the neutrino and axion observables for different choices of parameters.
arXiv comment8 pages, 8 figures; ARtiSANS code available at https://github.com/anafoguel/ARtiSANS ; v2: new section discussing the validity of the analytic approximation; matches version published at Astropart. Phys
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