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Dynamic screening correction for solar p-p reaction rates

By Katie Mussack and Werner Dappen

Abstract

The solar abundance controversy inspires renewed investigations of the basic physics used to develop solar models. Here we examine the correction to the proton-proton reaction rate due to dynamic screening effects. Starting with the dynamic screening energy from the molecular-dynamics simulations of Mao et al., we compute a reaction-rate correction for dynamic screening. We find that, contrary to static screening theory, this dynamic screening does not significantly change the reaction rate from that of the bare Coulomb potential.Comment: Published in ApJ. Available at http://stacks.iop.org/0004-637X/729/9

Topics: Astrophysics - Solar and Stellar Astrophysics
Year: 2011
DOI identifier: 10.1088/0004-637X/729/2/96
OAI identifier: oai:arXiv.org:1102.5073
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