A formula for half-life of proton radioactivity

Zhi-Xing Zhang; Jian-Min Dong

doi:10.1088/1674-1137/42/1/014104

Chinese Physics C> 2018, Vol. 42> Issue(1) : 014104 DOI: 10.1088/1674-1137/42/1/014104

A formula for half-life of proton radioactivity

Zhi-Xing Zhang ¹ ,
Jian-Min Dong ^2,,

1.
School of Physics, Nankai University, Tianjin 300071, China
2.
Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China

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Abstract：
We present a formula for proton radioactivity half-lives of spherical proton emitters with the inclusion of the spectroscopic factor. The coefficients in the formula are calibrated with the available experimental data. As an input to calculate the half-life, the spectroscopic factor that characterizes the important information on nuclear structure should be obtained with a nuclear many-body approach. This formula is found to work quite well, and in better agreement with experimental measurements than other theoretical models. Therefore, it can be used as a powerful tool in the investigation of proton emission, in particular for experimentalists.
- proton radioactivity ,
- half-life ,
- spectroscopic factor

References

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Zhi-Xing Zhang and Jian-Min Dong. A formula for half-life of proton radioactivity[J]. Chinese Physics C, 2018, 42(1): 014104. doi: 10.1088/1674-1137/42/1/014104

Zhi-Xing Zhang and Jian-Min Dong. A formula for half-life of proton radioactivity[J]. Chinese Physics C, 2018, 42(1): 014104. doi: 10.1088/1674-1137/42/1/014104 shu

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Received: 2017-08-30
Revised: 2017-10-31

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Supported by National Natural Science Foundation of China (11435014, 11405223, 11675265, 11575112), the 973 Program of China (2013CB834401, 2013CB834405), National Key Program for ST Research and Development (2016YFA0400501), the Knowledge Innovation Project (KJCX2-EW-N01) of Chinese Academy of Sciences, the Funds for Creative Research Groups of China (11321064) and the Youth Innovation Promotion Association of Chinese Academy of Sciences

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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

A formula for half-life of proton radioactivity

Corresponding author: Jian-Min Dong,

1. School of Physics, Nankai University, Tianjin 300071, China

2. Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China

Received Date: 2017-08-30

Accepted Date: 2017-10-31

Available Online: 2018-01-05

Fund Project: Supported by National Natural Science Foundation of China (11435014, 11405223, 11675265, 11575112), the 973 Program of China (2013CB834401, 2013CB834405), National Key Program for ST Research and Development (2016YFA0400501), the Knowledge Innovation Project (KJCX2-EW-N01) of Chinese Academy of Sciences, the Funds for Creative Research Groups of China (11321064) and the Youth Innovation Promotion Association of Chinese Academy of Sciences

Abstract: We present a formula for proton radioactivity half-lives of spherical proton emitters with the inclusion of the spectroscopic factor. The coefficients in the formula are calibrated with the available experimental data. As an input to calculate the half-life, the spectroscopic factor that characterizes the important information on nuclear structure should be obtained with a nuclear many-body approach. This formula is found to work quite well, and in better agreement with experimental measurements than other theoretical models. Therefore, it can be used as a powerful tool in the investigation of proton emission, in particular for experimentalists.

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A formula for half-life of proton radioactivity

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