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A way forward towards the improvement of tensor force in pf-shell
Nuclear Physics A ( IF 1.4 ) Pub Date : 2020-09-16 , DOI: 10.1016/j.nuclphysa.2020.122038
Kanhaiya Jha , Pawan Kumar , Shahariar Sarkar , P.K. Raina , Sezgin Aydin

In many shell model interactions, the tensor force monopole matrix elements are observed to retain systematic trends originating in the bare tensor force. In this work, however, we note for GX-interactions of pf-shell that the seven out of ten T = 1 tensor force monopole matrix elements do not share these systematic. We ameliorate this disparity making use of Yukawa-type tensor force and spin-tensor decomposition. Furthermore, we have modified the single-particle energy of 1p3/2 orbit and two TBMEs of 0f-orbit, and the revised interaction has been tested from Ca to Ge isotopes with various physics viewpoints. The results are found to be satisfactory with respect to the experimental data.



中文翻译:

改善pf -shell中张量力的方法

在许多壳模型相互作用中,观察到张量力单极矩阵元素保留了源自裸张量力的系统趋势。但是,在这项工作中,我们注意到对于pf -shell的GX相互作用,十个T = 1张量力单极矩阵元素中的七个不共享这些系统性。我们利用汤川式张量力和自旋张量分解来改善这种差异。此外,我们还修改了1个p3/2轨道和两个0 f轨道的TBME,并且已经从Ca到Ge同位素从各种物理角度测试了修正的相互作用。发现结果相对于实验数据是令人满意的。

更新日期:2020-09-29
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