Probing the halo dark matter gamma ray line from a lunar base

Details Probing the halo dark matter gamma ray line from a lunar base Probing the halo dark matter gamma ray line from a lunar base

Mar 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990aipc..202..227s&link_type=abstract

IN: Physics and astrophysics from a lunar base; Proceedings of the 1st NASA Workshop, Stanford, CA, May 19, 20, 1989 (A91-56551

Astronomy and Astrophysics

Astrophysics

Dark Matter, Galactic Radiation, Gamma Rays, Halos, Lunar Based Equipment, Spaceborne Astronomy, Annihilation Reactions, Gamma Ray Astronomy, Lunar Bases, Spaceborne Experiments, Spaceborne Telescopes, Moon, Utilization, Lunar Base, Physics, Astrophysics, Science Aspects, Halos, Gamma Rays, Astronomy, Calculations, Flux, Neutrinos, Models, Telescope Methods, Structure

Scientific paper

The possibility of detecting halo cold dark matter through the annihilation process chi chi(bar)-gamma gamma is studied. This process produces monoenergetic gamma rays, and may be a clear signature of particle dark matter. If there is a closure density of dark matter, it is shown that it will be very difficult to observe this annihilation line from a Space Station-borne experiment. On the contrary, a large lunar-based gamma-ray telescope could detect hundreds of events per year.

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