120Sn 中的低能电偶极响应
核实验
2015-03-31 v3 核理论
摘要
120Sn 中的电偶极强度已从质子非弹性散射实验中提取，实验条件为 E_p = 295 MeV，前角包含 0 度。在中子阈值以下，它与 120Sn(gamma,gamma') 实验的结果不同，并在 8.3 MeV 的激发能处达到峰值。总强度对应于能量加权求和规则的 2.3(2)%，是 (gamma,gamma') 反应观测值的三倍多。这意味着 E1 强度的强烈碎裂和/或激发的 1- 态的小基态分支比。
引用
@article{arxiv.1502.04305,
title = {Low-energy electric dipole response in 120Sn},
author = {A. M. Krumbholz and P. von Neumann-Cosel and T. Hashimoto and A. Tamii and T. Adachi and C. A. Bertulani and H. Fujita and Y. Fujita and E. Ganioglu and K. Hatanaka and C. Iwamoto and T. Kawabata and N. T. Khai and A. Krugmann and D. Martin and H. Matsubara and R. Neveling and H. Okamura and H. J. Ong and I. Poltoratska and V. Yu. Ponomarev and A. Richter and H. Sakaguchi and Y. Shimbara and Y. Shimizu and J. Simonis and F. D. Smit and G. Susoy and J. H. Thies and T. Suzuki and M. Yosoi and J. Zenihiro},
journal= {arXiv preprint arXiv:1502.04305},
year = {2015}
}
备注
7 pages, 6 figures