Physics – Atomic Physics
Scientific paper
Jan 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990nascp3058..185s&link_type=abstract
In its Annihilation in Gases and Galaxies p 185-199 (SEE N90-18957 11-70)
Physics
Atomic Physics
Annihilation Reactions, Atomic Physics, Dark Matter, Particle Collisions, Particle Production, Stellar Mass, Antiprotons, Big Bang Cosmology, Cosmic Rays, Fermions, Neutrinos, Positrons, Quantum Chromodynamics, Supersymmetry
Scientific paper
Various theoretical arguments make exotic heavy neutral weakly interacting fermions, particularly those predicted by supersymmetry theory, attractive candidates for making up the large amount of unseen gravitating mass in galactic halos. Such particles can annihilate with each other, producing secondary particles of cosmic-ray energies, among which are antiprotons, positrons, neutrinos, and gamma-rays. Spectra and fluxes of these annihilation products can be calculated, partly by making use of positron electron collider data and quantum chromodynamic models of particle production derived therefrom. These spectra may provide detectable signatures of exotic particle remnants of the big bang.
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