Evolution of <em>N</em>=28 shell closure in relativistic continuum Hartree-Bogoliubov theory

Xue-Wei Xia

doi:10.1088/1674-1137/40/7/074101

Chinese Physics C> 2016, Vol. 40> Issue(7) : 074101 DOI: 10.1088/1674-1137/40/7/074101

Evolution of N=28 shell closure in relativistic continuum Hartree-Bogoliubov theory

Xue-Wei Xia ^,

1.
School of Physics and Nuclear Energy Engineering and International Research Center for Nuclei and Particles in the Cosmos, Beihang University, Beijing 100191, China

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Abstract：
The N=28 shell gap in sulfur, argon, calcium and titanium isotopes is investigated in the framework of relativistic continuum Hartree-Bogoliubov (RCHB) theory. The evolutions of neutron shell gap, separation energy, single particle energy and pairing energy are analyzed, and it is found that the N=28 shell gap is quenched in sulfur isotopes but persists in argon, calcium and titanium isotopes. The evolution of the N=28 shell gap in the N=28 isotonic chain is discussed, and the erosion of the N=28 shell gap is understood with the evolution of potential with proton number.
- N=28 shell closure ,
- RCHB theory ,
- shell evolution

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Xue-Wei Xia. Evolution of N=28 shell closure in relativistic continuum Hartree-Bogoliubov theory[J]. Chinese Physics C, 2016, 40(7): 074101. doi: 10.1088/1674-1137/40/7/074101

Xue-Wei Xia. Evolution of N=28 shell closure in relativistic continuum Hartree-Bogoliubov theory[J]. Chinese Physics C, 2016, 40(7): 074101. doi: 10.1088/1674-1137/40/7/074101 shu

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Received: 2015-10-16
Revised: 2016-02-22

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Supported by Major State 973 Program of China (2013CB834400), National Natural Science Foundation of China (11175002, 11335002, 11375015, 11461141002) and Research Fund for Doctoral Program of Higher Education (20110001110087)

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沈阳化工大学材料科学与工程学院沈阳 110142

Evolution of N=28 shell closure in relativistic continuum Hartree-Bogoliubov theory

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Evolution of N=28 shell closure in relativistic continuum Hartree-Bogoliubov theory

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