核图极限处核质量评价的现象学方法

Elena V. Vladimirova, M. Simonov, Tatiana Yu. Tretyakova
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引用次数: 5

摘要

得到了核结合能的估计,并利用局部质量关系法对质子和中子滴线进行了定域。对描述剩余中子-质子相互作用的公式进行了近似,并用于估算。基于多次实验数据汇编的结果验证了该方法的鲁棒性。此外,采用基于支持向量回归的机器学习方法得到了超重核的结合能。几个相邻原子核的结合能作为输入参数。与其他工程估算结果的比较表明,计算结果具有可靠的准确性。
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Phenomenological methods for nuclear mass evaluation at the limits of the nuclear chart
Evaluations of nuclear binding energies are obtained, and proton and neutron drip lines are localized using method of local mass relations. The formula describing the residual neutron-proton interaction is approximated and used to obtain estimates. Results based on several compilations of experimental data are obtained to confirm the robustness of the method. In addition, results for binding energies of superheavy nuclei are obtained by machine learning method based on support vector regression. Binding energies of several neighbouring nuclei are used as input parameters. Comparison with other works estimates shows reliable accuracy of the results.
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