Halo γ rays from cold-dark-matter annihilation

Details Halo γ rays from cold-dark-matter annihilation Halo γ rays from cold-dark-matter annihilation

Dec 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989phrvd..40.3828f&link_type=abstract

Physical Review D (Particles and Fields), Volume 40, Issue 12, 15 December 1989, pp.3828-3833

Physics

7

Scientific paper

Halo γ-ray production by annihilation of dark-matter candidates is studied. In the case of massive Dirac neutrinos, both e+e- accelerator data as well as Monte Carlo simulations of the hadronization have been used to study the photon signal due to annihilation of weakly interacting massive particles in the galactic halo. The diffuse γ-ray signal is found to be potentially detectable with Gamma Ray Observatory. The signal from supersymmetric particles is also detectable if the halo is flattened and thus the local dark-matter density is large.

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