Lifetime of the 1.04 MeV state in F18, measured through the inverse reaction He3(O16,p)F18

J. Keinonen, H. -B. Mak, T. K. Alexander, G. C. Ball, W. G. Davies, J. S. Forster, and I. V. Mitchell
Phys. Rev. C 23, 2073 – Published 1 May 1981
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Abstract

The mean lifetime of the 1.04 MeV (Jπ=0+,T=1) state in F18 has been measured to be 2.7±0.7 fs using the inverse reaction He3(O16,p)F18 and the Doppler-shift attenuation method. Targets of He3 implanted into Al, Zr, Nb, and Au foils were employed in the measurements. The centroid shifts and Doppler-broadened line shapes observed at 0° were used in obtaining the lifetime value. The lifetime of the 1.04 MeV state is compared with theoretical predictions.

NUCLEAR REACTIONS He3(O16,p)F18, E=15.9 MeV; measured Doppler-shift attenuation, pγ coin. F18 1.04 MeV level deduced τ.

  • Received 12 November 1980

DOI:https://doi.org/10.1103/PhysRevC.23.2073

©1981 American Physical Society

Authors & Affiliations

J. Keinonen and H. -B. Mak

  • Department of Physics, Queen's University, Kingston, Ontario, Canada K7L 3N6

T. K. Alexander, G. C. Ball, W. G. Davies, J. S. Forster, and I. V. Mitchell

  • Atomic Energy of Canada Limited, Chalk River Nuclear Laboratories, Chalk River, Ontario, Canada K0J 1J0

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Vol. 23, Iss. 5 — May 1981

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