Cosmic-ray antiprotons as a probe of a photino-dominated universe

Details Cosmic-ray antiprotons as a probe of a photino-dominated universe Cosmic-ray antiprotons as a probe of a photino-dominated universe

Aug 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984phrvl..53..624s&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 53, Aug. 6, 1984, p. 624-627. NASA-supported research.

Mathematics

Logic

228

Antiprotons, Big Bang Cosmology, Cosmic Rays, Elementary Particle Interactions, Milky Way Galaxy, Particle Production, Annihilation Reactions, Dark Matter, Gamma Rays, Leptons, Mass Distribution, Particle Mass, Quarks, Universe

Scientific paper

Observational tests of the hypothesis that the universe is flat and dominated by dark matter in the form of massive photinos include the production of significant fluxes of cosmic rays and gamma rays in the galactic halo. Specification of the cosmological photino density and the masses of scalar quarks and leptons determines the present annihilation rate. The predicted number of low-energy cosmic-ray antiprotons is comparable to the observed flux.

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