Elsevier

Nuclear Physics A

Volume 627, Issue 2, 15 December 1997, Pages 379-390
Nuclear Physics A

Sensitivity of the particle-residue angular correlations to the compound nucleus angular momentum distribution

https://doi.org/10.1016/S0375-9474(97)00392-8Get rights and content

Abstract

The detailed features of the multistep evaporation process concerning the decay of the 59Cu compound nucleus, formed by a 32S-beam at an energy ELab = 8 MeV/amu, have been analyzed with respect to mean decay paths leading to a selected residual nucleus, in the frame of an out-of-plane angular correlation experiment, at 90°. For a given residual nucleus, mean multiplicities for neutrons, protons and α-particles as well as mean excitation energies and angular momenta from initial steps down to ground states have been calculated. For each step of the cascades, mean decay probabilities for neutrons, protons and α-particles as well as mean kinetic energies and transferred orbital angular momenta have been deduced. Whereas in the case of protons the anisotropy turns out to be actually independent of the compound nucleus JCN-angular momentum distribution, for α-particles it is strongly depending on JCN and can therefore give severe constraints on the higher angular momenta sustained by the compound nucleus.

References (11)

  • T. Ericson et al.

    Nucl. Phys.

    (1958)
  • J. Colin

    Nucl. Phys. A

    (1995)
  • F. Pühlhofer

    Nucl. Phys. A

    (1977)
  • D. Wilmore et al.

    Nucl. Phys.

    (1964)
    P.E. Hodgson

    Ann. Rev. Nucl. Sci.

    (1967)
  • D. Mahboub

    Phys. Rev. C

    (1997)
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