β-delayed Proton Decays and Spin Assignmentsof 133Sm and 149Yb

作     者：Xu Shuwei, Xie Yuanxiang, Li Zhankui, Xu Furong and Liu Hongliang Department of Technical Physics,Peking University, Beijing. 

出 版 物：《IMP & HIRFL Annual Report》 (中国科学院近代物理研究所和兰州重离子研究装置年报(英文版))

年 卷 期：2005年

页      面：43-43页

学科分类：08[工学] 0827[工学-核科学与技术] 082701[工学-核能科学与工程] 

基　　金：Supported by the National Natural Science Foundation of China (10375078 and 10475002) 

摘      要：The experiment was carried out at the Sector-Focusing Cyclotron in IMP. 133Sm was produced via fusion, evaporation in the reaction 40Ca(96Ru,2pn).Itsβ-delayed proton decay was studied by means of p-γ coincidence in combination with a He-jet tape transport system, including half-lives, proton energy spectra (Fig. 1),γ-transitions following the proton emissions, and the branching ratios to the low-lying states in the grand-daughter nuclei. The possible spins and parities of 133Sm were extracted by fitting the experi-