Physics
Scientific paper
Jan 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987a%26a...171..121r&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 171, no. 1-2, Jan. 1987, p. 121, 122.
Physics
34
Globular Clusters, Horizontal Branch Stars, Particle Mass, Solar Neutrinos, Stellar Physics, Weak Interactions (Field Theory), Asymptotic Giant Branch Stars, Dark Matter, Giant Stars, Stellar Cores, Stellar Models
Scientific paper
The effect that hypothetical weakly interacting massive particles ('cosmions') would have on the more advanced evolutionary stages of low mass stars, once their number and distribution have been constrained to solve the solar neutrino problem, is considered. Cosmions trapped by the sun have been invoked as a possible solution for the solar neutrino problem. It is argued that hypothetical cosmions, when asked to keep the inner solar core nearly isothermal, would also do the same thing for horizontal branch (HB) stars, thus suppressing core convection and altering the HB and asymptotic giant branch (AGB) lifetimes by large factors. This is at variance with observations of HB and AGB stars in galactic globular clusters, and from this 'anticoincidence' it is concluded that cosmions are unlikely to be responsible for the low measured flux of solar neutrinos.
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