Elsevier

Nuclear Physics A

Volume 212, Issue 2, 24 September 1973, Pages 241-252
Nuclear Physics A

Multichannel three-α model of 12C

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Abstract

A multichannel three-α model is constructed to calculate the ground and first excited state energies of 12C by assuming that the internal structure of the α-particle is approximately represented by a two-level system. The multichannel α-α potential is obtained by fitting the low-energy scattering data near the resonances. The Faddeev equations are generalized to allow the internal structure of the particles, and are solved in the separable t-matrix approximations for bound state energies. The results obtained are in good agreement with experiments and the effect of the α internal structure is discussed.

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Present address: National Chiao Tung University, Hsinchu, Taiwan, China.

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