期刊
JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS
卷 50, 期 5, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1088/1361-6471/acbaaf
关键词
fission barrier; super-heavy nuclei; extreme gradient boosting; random forest; support vector regression; cubist; artificial neural network
In this study, five machine learning techniques were used to accurately predict the fission barriers of 330 even-even super-heavy nuclei. The results showed that the Cubist model, support vector regression, and extreme gradient boosting methods generally provided better results and could be a better tool for estimating fission barrier heights.
With the fission barrier height information, the survival probabilities of super-heavy nuclei can also be reached. Therefore, it is important to have accurate knowledge of fission barriers, for example, the discovery of super-heavy nuclei in the stability island in the super-heavy nuclei region. In this study, five machine learning techniques, Cubist model, Random Forest, support vector regression, extreme gradient boosting and artificial neural network were used to accurately predict the fission barriers of 330 even-even super-heavy nuclei in the region 140 <= N <= 216 with proton numbers between 92 and 120. The obtained results were compared both among themselves and with other theoretical model calculation estimates and experimental results. According to the results obtained, it was concluded that the Cubist model, support vector regression and extreme gradient boosting methods generally gave better results and could be a better tool for estimating fission barrier heights.
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