C12α angular correlations in the Al27(O16,C12α)Al27 reaction at 65 MeV

M. B. Tsang, W. G. Lynch, R. J. Puigh, R. Vandenbosch, and A. G. Seamster
Phys. Rev. C 23, 1560 – Published 1 April 1981
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Abstract

Both in-plane and out-of-plane angular correlations of coincident C and α particles have been measured for 65 MeV O16 bombardment of a Al27 target. Exploitation of the time-of-flight method enabled the measurement of very low energy alpha particles at back angles. Results from the present experiment show that evaporation from an intermediate nucleus P31* accounts for the majority of the Cα coincidence events observed. A small number of alpha particles from the breakup of O16* were detected at angles around that of the carbon detector. Less than 10% of the alpha particles detected are of pre-equilibrium origin. This is in sharp contrast to earlier results.

NUCLEAR REACTIONS O16+ Al27. Elab=65 MeV; measured d2σdΩcdΩα, Cα coin, Al27 target.

  • Received 30 October 1980

DOI:https://doi.org/10.1103/PhysRevC.23.1560

©1981 American Physical Society

Authors & Affiliations

M. B. Tsang*, W. G. Lynch*, R. J. Puigh, R. Vandenbosch, and A. G. Seamster

  • Nuclear Physics Laboratory, University of Washington, Seattle, Washington 98195

  • *Present address: National Super Conducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824.
  • Present address: Westinghouse, Hanford, Washington.

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Vol. 23, Iss. 4 — April 1981

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