On the Mechanism of Multinucleon Transfer Reactions between Complex Nuclei
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概要
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A model for multinucleon transfer reactions is suggested, according to which the main contribution to the reaction is due to collisions with orbital angular momenta lying between the critical angular momentum for formation of a compound nucleus and the angular momentum of the grazing trajectory. It is shown that the time of such collisions is comparable to the time of flight of the projectile in the field of the target but much longer than the time of nuclear orbiting. An expression is derived for the reaction amplitude on the assumption that different partial waves are allowed to interfere as in the case of a direct reaction and that the partial wave cross sections are proportional to the level density of the given reaction product. The energy spectra calculated with this model are found to agree with the experimental spectra of products of the interaction of 145 MeV ^15N with ^232Th in those cases in which many nucleons are transferred from the projectile to the target.
- 理論物理学刊行会の論文
- 1975-04-25