丰中子核106Zr与108Zr的结构演化
核实验
2015-03-19 v1
摘要
分别在RI束流工厂通过{\beta}-{\gamma}谱学和同核异能素谱学方法，研究了106Zr和108Zr的低激发态。在108Zr中鉴别出了一个半衰期为620\pm150 ns的新同核异能素。对于偶偶Zr同位素序列，第一个2+态的激发能在N = 64处达到极小值，并随着中子数增加至N = 68而逐渐升高，这表明在N = 64处存在形变子壳闭合。108Zr的形变基态表明，在N = 70处预测的球形子壳隙不足以将108Zr的基态改变为球形。此外还讨论了108Zr中存在四面体形状同核异能素的可能性。
引用
@article{arxiv.1104.2958,
title = {Structural evolution in the neutron-rich nuclei 106Zr and 108Zr},
author = {T. Sumikama and K. Yoshinaga and H. Watanabe and S. Nishimura and Y. Miyashita and K. Yamaguchi and K. Sugimoto and J. Chiba and Z. Li and H. Baba and J. S. Berryman and N. Blasi and A. Bracco and F. Camera and P. Doornenbal and S. Go and T. Hashimoto and S. Hayakawa and C. Hinke and E. Ideguchi and T. Isobe and Y. Ito and D. G. Jenkins and Y. Kawada and N. Kobayashi and Y. Kondo and R. Krücken and S. Kubono and G. Lorusso and T. Nakano and M. Kurata-Nishimura and A. Odahara and H. J. Ong and S. Ota and Zs. Podolyák and H. Sakurai and H. Scheit and K. Steiger and D. Steppenbeck and S. Takano and A. Takashima and K. Tajiri and T. Teranishi and Y. Wakabayashi and P. M. Walker and O. Wieland and H. Yamaguchi},
journal= {arXiv preprint arXiv:1104.2958},
year = {2015}
}
备注
10 pages, 3 figures, Accepted for publication in Phys. Rev. Lett