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12C(α,γ)16O reaction in a multiconfiguration microscopic model

par Descouvemont, Pierre ;Baye, Daniel Jean
Référence Physical Review C (Nuclear Physics), 36, 4, page (1249-1255)
Publication Publié, 1987

Article révisé par les pairs

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Résumé :

The E1 and E2 components of the C12() 16O S factor are investigated microscopically with a generator-coordinate calculation involving + 12Cg.s., + 12C(21+), p+ 15Ng.s., and n+ 15Og.s. configurations. The theoretical capture cross sections towards the ground state and excited states are in semiquantitative agreement with experiment. Simple corrections to the microscopic expressions lead to good agreement with experimental data. The corrected model provides an S factor of 0.24 MeV b at the astrophysically important energy 0.3 MeV. © 1987 The American Physical Society.