Abstract

An angular momentum projected microscopic calculation is performed for the 12C + 16O system with an effective nuclear force and the exact Coulomb interaction. The 12C wave function is projected on a 0 + state. Parametrizations of the Coulomb interaction between the nuclei are fitted. The L-projected energy curves present a quite complicated structure especially for the negative parity states. The role played by critical angular momenta is put into evidence. A generator coordinate calculation gives several bands of bound, quasibound and virtual states. Excellent agreement in energy and angular momentum is obtained with the 13.7 MeV ( J = 9), 19.7 MeV ( J = 14), 22.7 MeV ( J = 15) and other resonances.

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