Astrophysical methods to constrain axions and other novel particle phenomena

Details Astrophysical methods to constrain axions and other novel particle phenomena Astrophysical methods to constrain axions and other novel particle phenomena

Dec 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990phr...198....1r&link_type=abstract

Physics Reports, Volume 198, Issue 1-2, p. 1-113.

Physics

396

Scientific paper

Various extensions of the standard model of elementary particle interactions predict the existence of new particles such as axions, or ``exotic'' properties of known particles such as neutrino magnetic moments. If these particles are sufficiently light, they emerge in large numbers from the hot and dense interior of stellar bodies. For appropriate ranges of particle parameters, this ``invisible'' energy loss would lead to observable changes in the evolution of stars. We review the theoretical methods as well as the observational data that have been employed in order to use stars as ``particle physics laboratories'' in the spirit of this argument. The resulting constraints on the properties of axions are systematically explored, and the application of the general methods to other cases are mentioned and referenced. Cosmological axion bounds and experiments involving galactic or solar axions are briefly reviewed.

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