Formation of He6 by 14-Mev Neutron Bombardment of Li and Be

M. E. Battat and F. L. Ribe
Phys. Rev. 89, 80 – Published 1 January 1953
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Abstract

Formation of He6 by bombardment of Li6, Li7, and Be9 with 14-Mev neutrons has been observed. The He6 was identified by its known half-life and the decay rate observed on a ten-channel time-delay analyzer. Beta-rays from the He6 were detected by means of a thin-walled proportional counter, and the over-all counting efficiency was determined by using the Cu63(n, 2n)Cu62 reaction. Cross sections determined for the Li6(n, p), Li7(n, d), and Be9(n, α) reactions were 6.7±0.8, 9.8±1.1, and 10±1 millibarns, respectively. The half-life of He6 was found to be 0.83±0.03 second.

  • Received 25 September 1952

DOI:https://doi.org/10.1103/PhysRev.89.80

©1953 American Physical Society

Authors & Affiliations

M. E. Battat and F. L. Ribe

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

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Vol. 89, Iss. 1 — January 1953

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