Photon Spectrum Produced by the Late Decay of a Cosmic Neutrino Background

Details Photon Spectrum Produced by the Late Decay of a Cosmic Neutrino Background Photon Spectrum Produced by the Late Decay of a Cosmic Neutrino Background

1999-03-25

arxiv.org/abs/astro-ph/9903397v2

Phys.Rev. D60 (1999) 083503

Astronomy and Astrophysics

Astrophysics

RevTex, 14 pages, 3 figures; minor changes, references added. To appear in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.60.083503

We obtain the photon spectrum induced by a cosmic background of unstable neutrinos. We study the spectrum in a variety of cosmological scenarios and also we allow for the neutrinos having a momentum distribution (only a critical matter dominated universe and neutrinos at rest have been considered until now). Our results can be helpful when extracting bounds on neutrino electric and magnetic moments from cosmic photon background observations.

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