Cosmic Ray Constraints On the Annihilation of Heavy Stable Neutrinos in the Galactic Halo

Details Cosmic Ray Constraints On the Annihilation of Heavy Stable Neutrinos in the Galactic Halo Cosmic Ray Constraints On the Annihilation of Heavy Stable Neutrinos in the Galactic Halo

1997-04-14

arxiv.org/abs/hep-ph/9704314v1

Yad.Fiz. 61 (1998) 675; Phys.Atom.Nucl. 61 (1998) 602

Physics

High Energy Physics

High Energy Physics - Phenomenology

19 pages, 4 Postscript figures, Latex

Scientific paper

We carry out a detailed analysis of fluxes of cosmic ray antiprotons, positrons, electrons and photons to be expected from the annihilation of relic heavy neutrinos in the galactic halo. The spectra of particles are evaluated by Monte Carlo simulation. The results of calculations show that the investigation of cosmic ray positron spectra at high energies could provide a distinctive signal for annihilation of very heavy neutrinos in the Galaxy and give an important information on parameters of dark matter particles.

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