The prompt γ-ray de-excitation of evaporation residues of 39K and Se

Geoffroy, K.; Natowitz, J. B.; Eggers, R.; Namboodiri, M.N.

doi:10.1016/0375-9474(78)90302-0

Cited by 8 publications

(2 citation statements)

References 23 publications

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“…However, in the case of rather high beam energies employed in [14] the main process responsible for the angular momentum release might be preequilibrium emission of particles rather than evaporation. In the case of the data of this work the preequilibrium component is weak (with the possible exception of the highest energy 4He+59Co data) and the angular momentum release should be attributed predominantly to the evaporation process.…”

Section: O~ ' 50mentioning

confidence: 98%

“…Our considerations are supported by 7-ray multiplicity data [14] for reactions I~-C + 27A1 and ~2C + natNi leading to compound nuclei 39K and Se, respectively. Constant y-ray multiplicity as a function of bombarding energy was observed in these reactions, indicating that the input angular momentum was carried away during particle emission prior to the y-ray deexcitation stage rather than by the cascade of yrast ),-rays.…”

Section: O~ ' 50mentioning

confidence: 99%

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Mass and charge release by the evaporation of particles from compound nuclei around mass 60

Skulski

Fornal

Broda

et al. 1992

Z. Physik A - Hadrons and Nuclei

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Reaction product cross sections have been measured for reactions of 4He projectile with 54'5617e, 58Ni and 59C0 targets in the bombarding energy range 14-27 MeV. The cross-section-weighted average charge A Z and mass AA removed from the compound system were deduced and compared with results reported for heavy-ion induced reactions. Variation ofA A with E* N is independent of the initial angular momentum of compound nucleus in the A = 60 mass region in contrary to the rare-earth region. This would suggest a strong angular momentum removal from the compound nucleus by evaporation of particles for A ,~ 60 nuclei. The average evaporated charge AZ depends on both the CN excitation energy E~N and the compound nucleus N and Z numbers. The AA and AZ dependence on excitation energy and the projectile-target combination can be understood in terms of the statistical model calculations.

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Section: O~ ' 50mentioning

confidence: 98%

Section: O~ ' 50mentioning

confidence: 99%