$^{42}$Si中N=28壳层闭合的消失
核实验
2008-11-26 v1
摘要
利用 39 A.MeV 的 S 次级束流碎裂产生的束流内 射线谱学，测量了丰中子 Si 和 P 中激发态的能量。Si 极低的 2 能量 770(19) keV，连同 P 的能级纲图，为 Z=14 和 N=28 球形壳层闭合的消失提供了证据，这主要归因于质子-中子张量力的作用。新的壳层模型计算表明，Si 最好被描述为一个良好形变的扁长转子。
引用
@article{arxiv.0705.4526,
title = {Collapse of the N=28 shell closure in $^{42}$Si},
author = {B. Bastin and S. Grévy and D. Sohler and O. Sorlin and Zs. Dombrádi and N. L. Achouri and J. C. Angélique and F. Azaiez and D. Baiborodin and R. Borcea and C. Bourgeois and A. Buta and A. Bürger and R. Chapman and J. C. Dalouzy and Z. Dlouhy and A. Drouard and Z. Elekes and S. Franchoo and S. Iacob and B. Laurent and M. Lazar and X. Liang and E. Liénard and J. Mrazek and L. Nalpas and F. Negoita and N. A. Orr and Y. Penionzhkevich and Zs. Podolyák and F. Pougheon and P. Roussel-Chomaz and M. G. Saint-Laurent and M. Stanoiu and I. Stefan and F. Nowacki and A. Poves},
journal= {arXiv preprint arXiv:0705.4526},
year = {2008}
}
备注
4 pages, 3 figures, accepted for publication in Phys. Rev. lett