Abstract
The integrated cross section σ int for the photodisintegration of helium ( 4He) is calculated by applying the sum rules of Levinger and Bethe and using a two-parameter Irving wave function. the two-body interactions are assumed to be that obtained from our modification of the central velocity-dependent potential of Srivastava and the Rarita-Present potential. Our results give considerably better agreement with the experimental results of Gorbunov and Spiridonov than do those of other authors and indicate that Serber and Biel force mixtures are more suitable forms of interaction.
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