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Published January 1994 | Published
Journal Article Open

Vacuum-polarization corrections to solar-fusion rates


The vacuum-polarization (VP) corrections to rates for nuclear-fusion reactions in the pp chain and in the CNO cycle are calculated. For the reactions of particular importance to the solar-neutrino problem, the 3He(3He,2p)4He, 3He(α,γ)7Be, 7Be(p,γ)8B, and 14N(p,γ)15O reactions, we find the magnitude of the effect to be less than 2%. The effect of VP on all the other reaction rates is expected to be of a similar order of magnitude. We discuss how these results affect the predicted fluxes of solar neutrinos.

Additional Information

© 1994 The American Physical Society Received 25 June 1993 We acknowledge useful conversations with F. Dyson and R. J. Gould. We are grateful to P. Parker for providing several useful data sets. We are also grateful to L. Maximon for pointing out an error in an earlier version of the manuscript. M.K. was supported by the Texas National Laboratory Research Commission, and by the DOE through Grant No. DE-FG02-90ER40542. J.N.B. was supported by NSF through Grant No. PHY 92-45317.

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August 22, 2023
August 22, 2023