Observable monochromatic photons from cosmic photino annihilation

Details Observable monochromatic photons from cosmic photino annihilation Observable monochromatic photons from cosmic photino annihilation

Jun 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988phrvd..37.3737b&link_type=abstract

Physical Review D (Particles and Fields), Volume 37, Issue 12, 15 June 1988, pp.3737-3741

Physics

73

Supersymmetric Partners Of Known Particles, Elementary Particle Processes, Gamma-Ray Sources, Gamma-Ray Bursts

Scientific paper

A recent suggestion that the observations of monochromatic photons from annihilation of photinos into quarkonium plus a photon could be a signature of dark-matter photinos is extended to include all S- and P-wave bound quarkonium states for a general interaction Lagrangian and an estimate of the cross sections is given. We also propose the process λλ¯-->γγ as a potentially rich source of monochromatic photons and estimate its strength.

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