Chinese Physics C > 2017, Vol. 41 > Issue(1): 014102 DOI: 10.1088/1674-1137/41/1/014102

Systematic study ofαpreformation probability of nuclear isomeric and ground states

1.
School of Math and Physics, University of South China, Hengyang 421001, China
2.
School of Nuclear Science and Technology, University of South China, Hengyang 421001, China
3.
School of Nuclear Science and Technology, University of South China, Hengyang 421001, China
4.
Cooperative Innovation Center for Nuclear Fuel Cycle Technology &

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Abstract：
In this paper, based on the two-potential approach combining with the isospin dependent nuclear potential, we systematically compare the αpreformation probabilities of odd- Anuclei between nuclear isomeric states and ground states. The results indicate that during the process of αparticle preforming, the low lying nuclear isomeric states are similar to ground states. Meanwhile, in the framework of single nucleon energy level structure, we find that for nuclei with nucleon number below the magic numbers, the αpreformation probabilities of high-spin states seem to be larger than low ones. For nuclei with nucleon number above the magic numbers, the αpreformation probabilities of isomeric states are larger than those of ground states.
- decay,
- preformation probability,
- nuclear isomer,
- two-potential approach

References

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Xiao-Dong Sun, Xi-Jun Wu, Bo Zheng, Dong Xiang, Ping Guo and Xiao-Hua Li. Systematic study of αpreformation probability of nuclear isomeric and ground states[J]. Chinese Physics C, 2017, 41(1): 014102. doi: 10.1088/1674-1137/41/1/014102

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Received: 2016-07-02
Revised: 2016-08-09

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Supported by National Natural Science Foundation of China (11205083), Construct Program of Key Discipline in Hunan Province, Research Foundation of Education Bureau of Hunan Province, China (15A159), Natural Science Foundation of Hunan Province, China (2015JJ3103, 2015JJ2123), Innovation Group of Nuclear and Particle Physics in USC, Hunan Provincial Innovation Foundation for Postgraduate (CX2015B398)

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通讯作者:陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Systematic study ofαpreformation probability of nuclear isomeric and ground states

Corresponding author:Xi-Jun Wu,

Corresponding author:Xiao-Hua Li,

1. School of Math and Physics, University of South China, Hengyang 421001, China

2. School of Nuclear Science and Technology, University of South China, Hengyang 421001, China

3. School of Nuclear Science and Technology, University of South China, Hengyang 421001, China

4. Cooperative Innovation Center for Nuclear Fuel Cycle Technology &

Received Date:2016-07-02

Accepted Date:2016-08-09

Available Online:2017-01-05

Fund Project:Supported by National Natural Science Foundation of China (11205083), Construct Program of Key Discipline in Hunan Province, Research Foundation of Education Bureau of Hunan Province, China (15A159), Natural Science Foundation of Hunan Province, China (2015JJ3103, 2015JJ2123), Innovation Group of Nuclear and Particle Physics in USC, Hunan Provincial Innovation Foundation for Postgraduate (CX2015B398)

Abstract:In this paper, based on the two-potential approach combining with the isospin dependent nuclear potential, we systematically compare theαpreformation probabilities of odd-Anuclei between nuclear isomeric states and ground states. The results indicate that during the process ofαparticle preforming, the low lying nuclear isomeric states are similar to ground states. Meanwhile, in the framework of single nucleon energy level structure, we find that for nuclei with nucleon number below the magic numbers, theαpreformation probabilities of high-spin states seem to be larger than low ones. For nuclei with nucleon number above the magic numbers, theαpreformation probabilities of isomeric states are larger than those of ground states.

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Systematic study ofαpreformation probability of nuclear isomeric and ground states

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