4.5 Article

Character and prevalence of third minima in actinide fission barriers

期刊

PHYSICAL REVIEW C
卷 87, 期 5, 页码 -

出版社

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.87.054326

关键词

-

资金

  1. National Nuclear Security Administration of the US Department of Energy at Los Alamos National Laboratory [DE-AC52-06NA25396, DE-FG02-06ER41407]
  2. MEXT's HPCI Strategic Program

向作者/读者索取更多资源

The double-humped structure of many actinide fission barriers is well established both experimentally and theoretically. There is also evidence, both experimental and theoretical, that some actinide nuclei have barriers with a third minimum, outside the second, fission-isomeric minimum. We perform a large-scale, systematic calculation of actinide fission barriers to identify which actinide nuclei exhibit third minima. We find that only a relatively few nuclei accessible to experiment exhibit third minima in their barriers: approximately nuclei with proton number Z in the range 88 <= Z <= 94 and nucleon number A in the range 230 <= A <= 236. We find that the third minimum is less than 1 MeV deep for light Th and U isotopes. This is consistent with some previous experimental and theoretical results, but it differs from some others. We discuss possible origins of these incompatible results and what are the most realistic predictions of where third minima are observable.

作者

我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。

评论

主要评分

4.5
评分不足

次要评分

新颖性
-
重要性
-
科学严谨性
-
评价这篇论文

推荐

暂无数据
暂无数据