Quasiparticle effects in the two-body photodisintegration of 4He

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Abstract

The total cross sections for the reactions 4He(γ, n)3He and 4He(γ, p)3H are calculated for photon energies between 50 MeV and 150 MeV in a quasiparticle formalism, leading to a simple interpretation for the γ-absorption mechanism. Results are compared with shell model calculations.

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