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Invisible Neutrino Decays as Origin of TeV Gamma Rays from GRB221009A

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arxiv 2212.03477 v2 pith:7DWOAWRL submitted 2022-12-07 hep-ph astro-ph.COastro-ph.HEhep-ex

Invisible Neutrino Decays as Origin of TeV Gamma Rays from GRB221009A

classification hep-ph astro-ph.COastro-ph.HEhep-ex
keywords gammaraysaxion-likeburstgamma-raygrb221009ainterpretationsparticle
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Recently, the LHAASO collaboration has observed the gamma rays of energies up to ten TeV from the gamma-ray burst GRB221009A, which has stimulated the community of astronomy, particle physics and astrophysics to propose various possible interpretations. In this paper, we put forward a viable scenario that neutrinos are produced together with TeV photons in the gamma-ray burst and gradually decay into the axion-like particles, which are then converted into gamma rays in the galactic magnetic fields. In such a scenario, the tension between previous axion-like particle interpretations and the existing observational constraints on the relevant coupling constant and mass can be relaxed.

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