Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...368..626d&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 368, Feb. 20, 1991, p. 626-632.
Astronomy and Astrophysics
Astrophysics
20
Dark Matter, Solar Interior, Solar Neutrinos, Elementary Particles, Energy Transfer, Radiative Transfer, Stellar Evolution, Stellar Models
Scientific paper
The existence of dark matter particles (cosmions) inside the sun has been suggested as an explanation for the disagreement between measured and theoretical solar neutrino fluxes. The new theoretical results on cosmion capture, evaporation, and energy transport, as well as a modern solar evolution code are used, to estimate accurately the range of cosmion masses and cross sections which can solve the solar neutrino problem. A range somewhat smaller than previously estimated is found. Including new results from a silicon direct detection experiment, only two extremely small regions of parameter space remain acceptable for the coherent spin-independent cross sections often considered. Cosmions which interact dominantly with hydrogen (spin-dependent interactions) are unaffected by current direct detection searches and remain viable for masses between roughly 2 and 7 GeV and cross sections on protons between roughly 10 to the -36th and 10 to the -33.5th/sq cm.
Dearborn David
Griest Kim
Raffelt Georg
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