Evidence for supersymmetric dark matter annihilations into γ rays

Details Evidence for supersymmetric dark matter annihilations into γ rays Evidence for supersymmetric dark matter annihilations into γ rays

Apr 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997phrvd..55.4566s&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 55, Issue 8, 15 April 1997, pp.4566-4570

Astronomy and Astrophysics

Astrophysics

10

Dark Matter, Supersymmetry, Gamma-Ray

Scientific paper

The astrophysical γ-ray energy spectra measured by balloon-borne emulsion detectors and the Whipple imaging atmospheric Čerenkov telescope are shown to offer possible evidence for the existence of a monoenergetic γ-ray flux excess over the background centered at 3.5+/-0.3 TeV, indicating the annihilation or decay of relic dark matter weakly interacting massive particles. The observed γ-ray flux is compatible with the annihilation of 3.5+/-0.3 TeV supersymmetric neutralinos if neutralinos occupy an enhanced density dark matter distribution, and the observed γ-ray flux is compatible with the annihilation of technibaryons occupying a smooth halo dark matter distribution if monoenergetic γ rays represent a major annihilation mode of technibaryons.

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