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Analysis of low-lying states, neutron-core excitations, and electromagnetic transitions in tellurium isotopesTe130–134
Physical Review C ( IF 3.1 ) Pub Date : 2020-11-11 , DOI: 10.1103/physrevc.102.054316
H. K. Wang , S. K. Ghorui , Z. Q. Chen , Z. H. Li

The neutron-rich Te130134 isotopes are investigated by large-scale shell-model calculations with the extended pairing plus multipole-multipole force (EPQQM model). The orbits of (0g7/2,1d5/2,1d3/2,2s1/2,0h11/2) are included for both proton and neutron model space, while two more neutron orbits (1f7/2,2p3/2) above the N=82 shell gap are included to study neutron-core excitations. The higher core-excited states in Te132,133 are calculated for the first time in this region. The present work well describes both the low-lying and the high-energy states for Te134, Te133, and Te132, as well as the low-lying levels of Te131 and Te130. The several multiplets with clear boundary exist in Te134,133, while a new configuration lying between 4.8 and 6.0 MeV is found as a theoretical prediction in Te134. Finally, the transition probabilities in these nuclei are calculated and compared with available data. The predicted energy levels and electromagnetic transition will be useful for planning future experiments.

中文翻译:

分析碲同位素Te130–134中的低态,中子核激发和电磁跃迁

富中子 130134通过扩展配对加多极-多极力(EPQQM模型)的大规模壳模型计算研究了同位素。的轨道0G7/21个d5/21个d3/22s1个/20H11/2 包括质子和中子模型空间,而另外两个中子轨道 1个F7/22p3/2 以上 ñ=82壳隙包括在内以研究中子核激发。较高的核心激发态132133首次在该区域计算。本工作很好地描述了低能量状态和高能量状态134133132,以及 131130。存在清晰边界的多个多重峰134133,而在4.8至6.0 MeV之间的新配置被认为是 134。最后,计算这些原子核中的跃迁概率,并将其与可用数据进行比较。预测的能级和电磁跃迁将有助于计划未来的实验。
更新日期:2020-11-12
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