On the effects of Cosmions upon the structure and evolution of very low mass stars

Details On the effects of Cosmions upon the structure and evolution of very low mass stars On the effects of Cosmions upon the structure and evolution of very low mass stars

Feb 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989stin...8920880d&link_type=abstract

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Physics

Energy Transfer, Solar Cosmic Rays, Stellar Cores, Stellar Evolution, Stellar Structure, Stellar Temperature, Main Sequence Stars, Mean Free Path, Solar Neutrinos

Scientific paper

A number of recent studies have suggested that cosmions, or WIMPS, may play an important role in the energetics of the solar interior; in particular, it has been argued that these hypothetical particles may transport sufficient energy within the nuclear-burning solar core so as to depress the solar core temperature to the point of resolving the solar neutrino problem. Solutions to the solar neutrino problem have proven themselves to be quite nonunique, so that it is of some interest whether the cosmion solution can be tested in some independent manner. It is argued that if cosmions solve the solar neutrino problem, then they must also play an important role in the evolution of low mass main sequence stars; and, second, that if they do so, then a simple (long mean free path) model for the interaction of cosmions with baryons leads to changes in the structure of the nuclear-burning core which may be in principal observable. Such changes include suppression of a fully-convective core in very low mass main sequence stars; and a possible thermal runaway in the core of the nuclear burning region. Some of these changes may be directly observable, and hence may provide independent constraints on the properties of the cosmions required to solve the solar neutrino problem, perhaps even ruling them out.

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