通过直接双核子敲出研究大同位旋下的镜像能差
核实验
2015-06-16 v1
摘要
利用高选择性的双中子敲出反应，首次获得了 52Ni (Tz=2) 和 51Co (Tz=-3/2) 激发态的能谱数据。这些核及其镜像伙伴的同量异位素 analogue 态之间的镜像能差被解释为同位旋不守恒效应。大规模壳模型计算与数据的比较提供了迄今为止最令人信服的证据，表明为了获得良好的一致性，不仅需要电磁相互作用，还需要针对 J=2 耦合的额外同位旋不守恒相互作用，尽管其起源尚不清楚。
引用
@article{arxiv.1308.1254,
title = {Mirror Energy Differences at Large Isospin Studied through Direct Two-Nucleon Knockout},
author = {P. J. Davies and M. A. Bentley and T. W. Henry and E. C. Simpson and A. Gade and S. M. Lenzi and T. Baugher and D. Bazin and J. S. Berryman and A. M. Bruce and C. Aa. Diget and H. Iwasaki and A. Lemasson and S. McDaniel and D. R. Napoli and A. Ratkiewicz and L. Scruton and A. Shore and R. Stroberg and J. A. Tostevin and D. Weisshaar and K. Wimmer and R. Winkler},
journal= {arXiv preprint arXiv:1308.1254},
year = {2015}
}
备注
Accepted for publication in Physical Review Letters