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- Qi, Chong, 1983-, et al.
(author)
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Proton resonance properties in light nuclei with mean-field type potentials
- 2008
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In: INTERNATIONAL JOURNAL OF MODERN PHYSICS E-NUCLEAR PHYSICS. ; , s. 1955-1964
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Conference paper (peer-reviewed)abstract
- The properties of proton resonances in the p and sd shells are studied with a single-particle potential generated by self-consistent-mean field calculations. Besides, we also propose to calculate the proton-nucleus interaction by a double-folding procedure with the density of the daughter nucleus represented by the result of the same mean-field model. With out raising any adjustable parameter, these calculations provide reasonable estimates for the widths of observed proton resonances in light nuclei. The mean-field-based calculation is particularly useful for the predications of the properties of resonances in light exotic nuclei and the direct proton capture reactions of astrophysics.
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| 4. |
- Qi, Chong, 1983-, et al.
(author)
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Shell-model studies of isomeric states in Fe-51,Fe-52,Fe-53
- 2008
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In: Chinese Physics C. - 1674-1137 .- 2058-6132. ; 32, s. 112-115
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Journal article (peer-reviewed)abstract
- The yrast bands of (51,52,53)Fe have been studied with a microscopical effective Hamiltonian derived from the charge-dependent Bonn NN potential. Calculations obtain satisfactory agreements with experimental data, reproducing the observed isomeric states. The possible origins of the isomers are discussed.
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| 5. |
- Qi, Chong, 1983-, et al.
(author)
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Shell-model study of spectroscopies and isospin structures in odd-odd N=Z nuclei employing realistic NN interaction
- 2008
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In: Nuclear Physics A. - : Elsevier BV. - 0375-9474 .- 1873-1554. ; 800:1-4, s. 47-62
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Journal article (peer-reviewed)abstract
- The structures of odd-odd N = Z nuclei in the lower fp shell have been investigated with a new microscopic interaction. The interaction is derived from a high-precision charge-dependent Bonn nucleon-nucleon potential using the folded-diagram renormalization method. Reasonable agreements with experimental data have been obtained. Particularly, the relative positions of T = 0 and T = I bands are well reproduced. As examples, the spectroscopies and isospin structures of (46)V and (50)Mn have been discussed in details, with the useful predictions of level structures including electromagnetic properties. Some unique features in these nuclei can be used to increase the understanding of the effective interaction theory. Our calculations show that the realistic effective interaction which is directly related to nucleon-nucleon scattering can give the reasonable descriptions of the collective properties of nuclear many-body system without any empirical modification.
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| 7. |
- Qi, Chong, 1983-, et al.
(author)
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Universal Decay Law in Charged-Particle Emission and Exotic Cluster Radioactivity
- 2009
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In: Physical Review Letters. - 0031-9007 .- 1079-7114. ; 103:7, s. 072501-
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Journal article (peer-reviewed)abstract
- A linear universal decay formula is presented starting from the microscopic mechanism of the charged-particle emission. It relates the half-lives of monopole radioactive decays with the Q values of the outgoing particles as well as the masses and charges of the nuclei involved in the decay. This relation is found to be a generalization of the Geiger-Nuttall law in α radioactivity and explains well all known cluster decays. Predictions on the most likely emissions of various clusters are presented.
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| 9. |
- Zheng, S., et al.
(author)
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Alignments in the nobelium isotopes
- 2009
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In: Chinese Physics C. - BEIJING : CHINESE PHYSICAL SOC. - 1674-1137 .- 2058-6132. ; 33:2, s. 107-109
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Journal article (peer-reviewed)
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