Bounds on KSVZ axions from high mass star evolution

Details Bounds on KSVZ axions from high mass star evolution Bounds on KSVZ axions from high mass star evolution

Oct 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991ap%26ss.184....1w&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 184, no. 1, Oct. 1991, p. 1-8.

Astronomy and Astrophysics

Astrophysics

Hertzsprung-Russell Diagram, Main Sequence Stars, Stellar Evolution, Stellar Models, Supermassive Stars, Bremsstrahlung, Stellar Luminosity, Stellar Temperature

Scientific paper

The effects of axions on the theoretical stellar evolution of a 10-solar-mass star from the Main-Sequence stage to a likely final stage are studied. It was found that if the axion mass is less than 0.1 eV, an acceptable stellar evolution model which is consistent with observations is derived. If the axion mass is larger than 0.1 eV, such a star has a significantly different behavior at the later stages of the evolution in the H-R diagram compared with a star without axions. The structure variables change greatly which is in contradiction with the observations.

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