通过相对论性单中子敲除研究55Ti的结构
核实验
2011-03-28 v2
摘要
本文报道了利用GSI FRS作为两级磁谱仪和Miniball阵列进行伽马射线探测,在56Ti上开展相对论能量下单中子敲除反应的结果。测量了包含性和排他性纵向动量分布以及截面,从而能够确定所布居态的轨道角动量。首次观测到55Ti中能量为955(6) keV的ν p3/2空穴态。测量数据首次证明55Ti的基态是1/2-态,这与使用GXPF1A相互作用的壳模型计算结果一致,该计算预测54Ca中存在显著的N=34能隙。
引用
@article{arxiv.0810.3157,
title = {Structure of 55Ti from relativistic one-neutron knockout},
author = {P. Maierbeck and R. Gernhäuser and R. Krücken and T. Kröll and H. Alvarez-Pol and F. Aksouh and T. Aumann and K. Behr and E. A. Benjamim and J. Benlliure and V. Bildstein and M. Böhmer and K. Boretzky and M. J. G. Borge and A. Brünle and A. Bürger and M. Caamaño and E. Casarejos and A. Chatillon and L. V. Chulkov and D. Cortina-Gil and J. Enders and K. Eppinger and T. Faestermann and J. Friese and L. Fabbietti and M. Gascón and H. Geissel and J. Gerl and M. Gorska and P. G. Hansen and B. Jonson and R. Kanungo and O. Kiselev and I. Kojouharov and A. Klimkiewicz and T. Kurtukian and N. Kurz and K. Larsson and T. Le Bleis and K. Mahata and L. Maier and T. Nilsson and C. Nociforo and G. Nyman and C. Pascual-Izarra and A. Perea and D. Perez and A. Prochazka and C. Rodriguez-Tajes and D. Rossi and H. Schaffner and G. Schrieder and S. Schwertel and H. Simon and B. Sitar and M. Stanoiu and K. Sümmerer and O. Tengblad and H. Weick and S. Winkler and B. A. Brown and T. Otsuka and J. Tostevin and W. D. M. Rae},
journal= {arXiv preprint arXiv:0810.3157},
year = {2011}
}
备注
12 pages, 3 figures, submitted to Physics Letters B 13 pages, 4 figures, resubmitted to Physics Letters B (major revision to meet the suggestions of the reviewers)