Lifetime of the 6.14-Mev 3 State of O16 by a Recoil Method

D. Kohler and H. H. Hilton
Phys. Rev. 110, 1094 – Published 1 June 1958
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Abstract

The lifetime of the 6.14-Mev 3 state of O16 has been measured by means of a recoil technique. The spatial distribution of decays of recoiling O16 nuclei, produced by the reaction F19(p, α1)O16*, was studied with a highly collimated γ-ray detector. Comparison with the corresponding distribution obtained when the O16 nuclei were stopped at the target surface by an evaporated metallic layer provided a means of determining the lifetime. A value for this half-life of (8.6±4.0)×1012 second [mean life, τ=(1.2±0.6)×1011 sec] has been found, consistent with previously established limits. The measured value is compared with values predicted from various nuclear models.

  • Received 5 February 1958

DOI:https://doi.org/10.1103/PhysRev.110.1094

©1958 American Physical Society

Authors & Affiliations

D. Kohler and H. H. Hilton

  • Kellogg Radiation Laboratory, California Institute of Technology, Pasadena, California

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Vol. 110, Iss. 5 — June 1958

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