Electron Screening in the 7Be + p -->8B + photon reaction

Details Electron Screening in the 7Be + p -->8B + photon reaction Electron Screening in the 7Be + p -->8B + photon reaction

1998-03-02

arxiv.org/abs/astro-ph/9803003v2

Phys.Lett. A247 (1998) 241-245

Astronomy and Astrophysics

Astrophysics

Revised paper. (RevTeX, 6 pages, 2 PS-figures)

Scientific paper

10.1016/S0375-9601(98)00562-3

We evaluate the effect of screening by bound electron in the 7Be + p --> 8B + photon reaction, where 7Be target contains bound electron, in the framework of the adiabatic representation of the three particle problem. A comparison with two other approximations (united atom and folding) is presented. A good agreement between the ``united atom'' approximation and the exact solution is found. We also discuss the screening corrections induced by two K-shell electrons on a 7Be target. The bound electron screening effect consequences for 7Be and 8B solar neutrino fluxes are discussed.

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