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Cluster structures in 12C from global energy density functionals
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DOI：10.1103/PhysRevC.99.034317.png)
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摘要
En 中文
Spectroscopic properties of low-lying states and cluster structures in C-12 are analyzed in a beyond mean-field framework based on global energy density functionals (EDFs). To build symmetry-conserving collective states, axially symmetric and reflection-asymmetric solutions of the relativistic Hartree-Bogoliubov equations are first projected onto good values of angular momentum, particle number, and parity. Configuration mixing is implemented using the generator coordinate method formalism. It is shown that such a global microscopic approach, based on a relativistic EDF, can account for the main spectroscopic features of C-12, including the ground-state and linear-chain bands as well as, to a certain approximation, the excitation energy of the Hoyle state. The calculated form factors reproduce reasonably well the available experimental values, and display an accuracy comparable to that of dedicated microscopic cluster models.
Keyword:
ELASTIC ELECTRON-SCATTERING
MEAN-FIELD
EXCITED-STATES
LIGHT-NUCLEI
PROJECTION
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期刊
IF:
3.4
论文数:
2.9W
被引数:
5.7W
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