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Complex shell model representation including antibound states
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DOI：10.1103/PhysRevC.72.054322.png)
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摘要
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A generalization of the complex shell model formalism is presented that includes antibound states in the basis. These states, together with bound states, Gamow states, and the continuum background, represented by properly chosen scattering waves, form a representation in which all states are treated on the same footing. Two-particle states are evaluated within this formalism, and observable two-particle resonances are defined. The formalism is illustrated in the well-known case of Li-11 in its bound ground state and in Ca-70(g.s.), which is also bound. Both cases are found to have a halo structure. These halo structures are described within the generalized complex shell model. We investigated the formation of two-particle resonances in these nuclei, but no evidence of such resonances was found.
Keyword:
NUCLEAR-REACTIONS
RESONANT STATES
LI-11
CONTINUUM
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IF:
3.4
论文数:
2.9W
被引数:
5.7W
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