Li6(n, α)H3 Cross Section as a Function of Neutron Energy

F. L. Ribe
Phys. Rev. 103, 741 – Published 1 August 1956
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Abstract

The total Li6(n, α)H3 cross section has been measured absolutely over the range of neutron energies from 0.88 to 14.1 Mev, with errors varying from 11 to 18%. At its low-energy end, the curve σ(En) joins smoothly with an extension of the curve of earlier data of Blair and Holland, for which the maximum neutron energy was 0.62 Mev. A log-log plot of σ(En) for the present data shows a variation approximately as En1 for the high-energy portion of the curve with a break to greater flatness at the lower energies, resulting in a broad hump in the cross-section curve at about 2 Mev. This hump is believed to be due to competition from deuteron-producing reactions.

  • Received 16 April 1956

DOI:https://doi.org/10.1103/PhysRev.103.741

©1956 American Physical Society

Authors & Affiliations

F. L. Ribe

  • University of California, Los Alamos Scientific Laboratory, Los Alamos, New Mexico

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Issue

Vol. 103, Iss. 3 — August 1956

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