Lifetimes of the N14 5.83-MeV and 6.44-MeV Levels

J. A. Becker and E. K. Warburton
Phys. Rev. 134, B349 – Published 27 April 1964
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Abstract

The lifetimes of the N14 5.83- and 6.44-MeV levels were studied by the Doppler shift attenuation method using the C12(He3, p)N14 reaction to populate the levels. The shifts in energy of the 0.73-MeV 5.83→5.10 transition and the 1.33-MeV 6.44→5.10 transition were observed between two angles to the beam by recording gamma-ray spectra in coincidence with the N14 5.10→0 transition. From these measurements the mean lifetime of the N14 5.83-MeV level was found to be greater than 2.3×1012 sec, while the mean lifetime of the N14 6.44-MeV level was found to be (5.9±1.2)×1013 sec.

  • Received 4 December 1963

DOI:https://doi.org/10.1103/PhysRev.134.B349

©1964 American Physical Society

Authors & Affiliations

J. A. Becker and E. K. Warburton

  • Brookhaven National Laboratory, Upton, New York

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Issue

Vol. 134, Iss. 2B — April 1964

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