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arXiv 1111.3938nucl-thnucl-ex
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具有同位旋相关配对相互作用的奇偶质量差和半径的整体研究

Global investigation of odd-even mass differences and radii with isospin dependent pairing interactions

C. A. Bertulani, Hongliang Liu, H. Sagawa

摘要:

采用Hartree-Fock+BCS(HFBCS)方法,考虑Skyrme相互作用和同位旋相关的接触对相互作用,系统地研究了中子和质子的奇偶质量差.配对相互作用的强度被确定为在质量表的宽区域中再现经验奇偶质量差。利用最佳参数,我们进行了核的HF+BCS计算,并与实验数据进行了比较。在中、重同位素的奇偶质量差中,对相互作用的同位旋依赖性的重要性被挑出来。用同一模型系统地研究了质子和中子的半径。

英文摘要:

The neutron and proton odd-even mass differences are systematically studied with Hartree-Fock+BCS (HFBCS) calculations with Skyrme interactions and an isospin dependent contact pairing interaction. The strength of pairing interactions is determined to reproduce empirical odd-even mass differences in a wide region of mass table. By using the optimal parameter, we perform global HF+BCS calculations of nuclei and compare with experimental data. The importance of isospin dependence of the pairing interaction is singled out for odd-even mass differences in medium and heavy isotopes. The proton and neutron radii are studied systematically by using the same model.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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