The slopes of the energy spectra of p, d, t, and α particles emitted from 59Cu nuclei formed in the reaction of 32S+27Al at a bombarding energy of 150 MeV are described by statistical-model calculations in which the deformation is frozen during the first two steps of the deexcitation chain. The resultant fits to the high-energy portions of the spectra are comparable to those previously obtained by modifying the spin dependence of the level density, suggesting that dynamic effects may be important in evaporation from light nuclei.
Possible dynamic effects in the particle decay of 59Cu compound nuclei,
VIESTI, GIUSEPPE;
1989
Abstract
The slopes of the energy spectra of p, d, t, and α particles emitted from 59Cu nuclei formed in the reaction of 32S+27Al at a bombarding energy of 150 MeV are described by statistical-model calculations in which the deformation is frozen during the first two steps of the deexcitation chain. The resultant fits to the high-energy portions of the spectra are comparable to those previously obtained by modifying the spin dependence of the level density, suggesting that dynamic effects may be important in evaporation from light nuclei.
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