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Effects of nucleus orientation on transfer process and production of unknown neutron-rich isotopes withZ=62–75inHg204+Th232based on the dinuclear system model
Physical Review C ( IF 3.2 ) Pub Date : 2021-02-16 , DOI: 10.1103/physrevc.103.024608
Xin-Rui Zhang , Gen Zhang , Jing-Jing Li , Shi-Hui Cheng , Zhong Liu , Feng-Shou Zhang

Within the framework of the dinuclear system model, the contributions of the constituent parts of the driving potentials in different orientation configurations in the Kr86+Er166 reaction are investigated. The Coulomb potential plays a predominant role in the change of driving potential among different configurations with mass number A1=52200. In the region of A1<52 and A1>200, the effects of the nuclear potential increased significantly. This work also studied the multinucleon transfer process of Hg204+Th232 in tip-to-tip and side-to-side configurations to produce unknown neutron-rich isotopes with Z=6275. In the Hg204+Th232 reaction, the tip-to-tip configuration accounts for the main contribution to produce unknown neutron-rich isotopes with Z=6275 because of the “inverse” quasifission process. The optimal incident energy is 678.1 MeV. Considering the experimental conditions provided by the experiments, there are 29 unknown isotopes whose production rate is greater than one count per day. Especially, the production rates per day of Ho179, Er181,182, Tm182,183,184, Yb186, Lu189, Hf191,192, and Ta195 are 21, 25, 13, 701, 1217, 29, 94, 29, 102, 29, and 20, respectively. The reaction of Hg204+Th232 at 678.1 MeV is a potential candidate to produce new neutron-rich nuclei with Z=6275.

中文翻译:

基于双核系统模型,原子核取向对Z = 62–75inHg204 + Th232的未知富中子同位素的转移过程和产生的影响

在双核系统模型的框架内,驱动势的组成部分在不同方向配置中的贡献 r86+166反应进行了调查。库仑势在质量数不同的配置之间的驱动势变化中起主要作用一种1个=52200。在…地区一种1个<52一种1个>200,核势的影响大大增加。这项工作还研究了多核苷酸转移过程。204+232 以尖端到尖端和侧面到侧面的配置产生未知的富含中子的同位素 ž=6275。在里面204+232 反应时,尖端到尖端的结构是产生未知的富含中子的同位素的主要贡献 ž=6275因为“逆”拟真过程。最佳入射能量为678.1 MeV。考虑到实验提供的实验条件,存在29种未知同位素,其每天的生产率大于一个计数。特别是每天的生产率179 181182 Tm值182183184 b186 189 高频191192, 和 195分别是21、25、13、701、1217、29、94、29、102、29和20。的反应204+232 在678.1 MeV处可以产生新的富中子核 ž=6275
更新日期:2021-02-16
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