Non-linear screening corrections of stellar nuclear reaction rates and their effects on solar neutrino fluxes

Details Non-linear screening corrections of stellar nuclear reaction rates and their effects on solar neutrino fluxes Non-linear screening corrections of stellar nuclear reaction rates and their effects on solar neutrino fluxes

1999-12-17

arxiv.org/abs/nucl-th/9912042v3

Phys.Rev. C61 (2000) 055802

Physics

Nuclear Physics

Nuclear Theory

To appear in Phys.Rev.C

Scientific paper

10.1103/PhysRevC.61.055802

Non-linear electron screening corrections of stellar nuclear fusion rates are calculated analytically in the framework of the Debye-Huckel model and compared with the respective ones of Salpeter's weak screening approximation. In typical solar conditions, the deviation from Salpeter's screening factor is less than one percent, while for hotter stars such corrections turn out to be of the order of one percent only over the limits of the Debye-Huckel model. Moreover, an investigation of the impact of the derived non-linear screening effects on the solar neutrino fluxes yields insignificant corrections for both the pp and CNO chain reactions.

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