Axion Opportunities in Gamma ray astronomy

Details Axion Opportunities in Gamma ray astronomy Axion Opportunities in Gamma ray astronomy

Sep 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1166..157s&link_type=abstract

SOURCES AND DETECTION OF DARK MATTER AND DARK ENERGY IN THE UNIVERSE: Proceedings of the 8th UCLA Symposium. AIP Conference Pro

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Gamma-Ray Sources, Gamma-Ray Bursts, Dark Matter, Neutrino, Muon, Pion, And Other Elementary Particles, Cosmic Rays

Scientific paper

Axions are theoretically well-motivated particles and may constitute (a sizable fraction of) the cold dark matter revealed by astrophysics and cosmology, if their mass lies in the m>~μeV range. Alternatively, a mass in the range m<~eV would make them a subleading, hot dark matter component, comparable to relic neutrinos. Here we argue that light axions and axion-like particles with a two-photon vertex, consistent with all astrophysical and laboratory bounds, may lead to several kinds of signatures detectable by current or forthcoming satellite and ground-based gamma-ray telescopes.

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