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. © 1999 The American Physical Society.
|Journal||Physical Review D - Particles, Fields, Gravitation and Cosmology|
|Publication status||Published - 1 Jan 1999|
Massó, E. (1999). Photon spectrum produced by the late decay of a cosmic neutrino background. Physical Review D - Particles, Fields, Gravitation and Cosmology, 60(8). https://doi.org/10.1103/PhysRevD.60.083503