Elsevier

Nuclear Physics A

Volume 535, Issue 1, 9 December 1991, Pages 107-119
Nuclear Physics A

Rate of 3H(7Li, n0)9Be and big-bang nucleosynthesis

https://doi.org/10.1016/0375-9474(91)90518-BGet rights and content

Abstract

The differential cross sections for the 3H(7Li, n0)9Be reaction were measured at 5 angles in the energy range E(c.m.)=0.2–0.9 MeV using a pulsed 7Li beam and time-of-flight technique. Absolute values of the cross section were obtained by comparison with the well-known cross section of 3H(d, n)4He at Ed=1.0 MeV. The resulting reaction rates are obtained at temperatures relevant to big-bang nucleosynthesis, and consequences for primordial 9Be abundances are discussed.

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    Work supported in part by EEC Contract Science SC1-0065-C.

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