期刊
PHYSICAL REVIEW C
卷 83, 期 4, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.83.045807
关键词
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资金
- State 973 Program [2007CB815000]
- NSF of China [10975007, 10975008]
- Unity through Knowledge Fund (UKF) [17/08]
- MZOS [1191005-1010]
- Chinese-Croatian project Nuclear structure and astrophysical applications
We introduce a self-consistent microscopic theoretical framework for modeling the process of electron capture on nuclei in stellar environment, based on relativistic energy density functionals. The finite-temperature relativistic mean-field model is used to calculate the single-nucleon basis and the occupation factors in a target nucleus, and J(pi) = 0(+/-), 1(+/-), and 2(+/-) charge-exchange transitions are described by the self-consistent finite-temperature relativistic random-phase approximation. Cross sections and rates are calculated for electron capture on Fe-54,Fe-56 and Ge-76,Ge-78 in stellar environment, and results compared with predictions of similar and complementary model calculations.
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