Study of protons and alpha particles emitted from Br75 compound nuclei with differing angular-momentum distributions

R. C. Reedy, M. J. Fluss, G. F. Herzog, L. Kowalski, J. M. Miller

Research output: Contribution to journalArticlepeer-review

30 Scopus citations

Abstract

The energy spectra and angular distributions of protons and α particles emitted from the compound nucleus Br75 formed at the excitation energies of 49 and 88 MeV have been studied. The Br75 compound nuclei were formed in three different ways: B11+Zn64, C12+Cu63, and O16+Co59. The differences in the angular-momentum distributions of the compound nuclei formed in each of the entrance channels permitted the study of the particles emitted from specific ranges of angular momentum of the compound nuclei. The yield of α particles from the high-angular-momentum states was found to be significantly enhanced relative to that from the low-angular-momentum states and the average energy of the α particles emitted increased with the angular momentum of the compound nucleus. The yield of protons and their average energy was not significantly affected by angular momentum. These results are consistent with results calculated using an angular-momentum-dependent statistical theory of nuclear reactions.

Original languageEnglish (US)
Pages (from-to)1771-1783
Number of pages13
JournalPhysical Review
Volume188
Issue number4
DOIs
StatePublished - 1969
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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