Solitonic dark matter and the solar neutrino problem

Details Solitonic dark matter and the solar neutrino problem Solitonic dark matter and the solar neutrino problem

Jul 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990nuphb.339..407b&link_type=abstract

Nuclear Physics B, Volume 339, Issue 2, p. 407-416.

Physics

Nuclear Physics

1

Scientific paper

Weakly interacting massive particles (known as cosmions) have been proposed as a possible solution to the solar neutrino problem. However, in order to succesfully reduce the neutrino flux, their scattering cross section on hydrogen must be two orders of magnitude larger than the typical weak cross section. We suggest that finite-size, bound configurations of weakly interacting particles, known as non-topological solitons, can naturally produce the necessary enhancement of the cross section. For a simple model exhibiting solitonic configurations formed in a primordial phase transition with a calculable mass spectrum, solitons with masses of a few GeV and higher are shown to solve the solar neutrino problem and to provide the energy density needed to close the universe.

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