质子滴线处的形状共存：180Pb激发态的首次识别
核实验
2014-11-20 v1
摘要
利用于韦斯屈莱大学加速器实验室的JUROGAM II阵列结合RITU反冲分离器，首次识别了极端缺中子核180Pb的激发态。这项研究处于当前束流谱学所能达到的极限，92Mo(90Zr,2n)180Pb反应估计截面仅为10 nb。观察到了182Pb和184Pb中趋势的延续，其中长椭球极小值相对于球形基态在N=104中壳层之外继续上升。超越平均场计算与实验推断的趋势合理相符。
引用
@article{arxiv.1003.0452,
title = {Shape coexistence at the proton drip-line: First identification of excited states in 180Pb},
author = {P. Rahkila and D. G. Jenkins and J. Pakarinen and C. Gray-Jones and P. T. Greenlees and U. Jakobsson and P. Jones and R. Julin and S. Juutinen and S. Ketelhut and H. Koivisto and M. Leino and P. Nieminen and M. Nyman and P. Papadakis and S. Paschalis and M. Petri and P. Peura and O. J. Roberts and T. Ropponen and P. Ruotsalainen and J. Saren and C. Scholey and J. Sorri and A. G. Tuff and J. Uusitalo and R. Wadsworth and M. Bender and P. -H. Heenen},
journal= {arXiv preprint arXiv:1003.0452},
year = {2014}
}
备注
5 pages, 4 figures, submitted to Phys.Rev.C