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稳定核195Pt的高自旋态能级结构
引用本文:王思成,周小红,方永得,张玉虎,石跃,柳敏良,王建国,郭应祥,高丙水,滑伟,李仕成,马飞,李广顺,何龙,王志刚,颜鑫亮,方芳,吴晓光,贺创业,郑云,王治民,许甫荣.稳定核195Pt的高自旋态能级结构[J].中国科学:物理学 力学 天文学,2012(6):639-646.
作者姓名:王思成  周小红  方永得  张玉虎  石跃  柳敏良  王建国  郭应祥  高丙水  滑伟  李仕成  马飞  李广顺  何龙  王志刚  颜鑫亮  方芳  吴晓光  贺创业  郑云  王治民  许甫荣
作者单位:[1]中国科学院近代物理研究所,兰州730000 [2]中国科学院研究生院,北京100049 [3]北京大学物理学院核物理与核技术国家重点实验室,北京100871 [4]中国原子能科学研究院,北京102413
基金项目:国家自然科学基金(批准号:10905075,10825522,10735010,10975006);国家重点基础研究发展计划(编号:2007CB815005);中国科学院基金资助项目
摘    要:利用非完全熔合反应192Os(7Li,(p,d,t)xn)布居了稳定核195pt的高自旋态.根据γ-γ合关系、γ射线的相对强度和各向异性度的测量结果,建立了195pt核的能级纲图,其中包括11条新的γ跃迁和9个新能级.通过与邻近核的能级系统性比较,指出了195Spt核基于vi-113/2,和vi-213/2vj-1(j=p3/2,f5/2)组态的转动带能级结构.同时,利用Total-Routhian-Surface(TRS)理论计算结果讨论了195pt核的转动带性质.

关 键 词:高旋态  非完全熔合反应  奇A核  转动带

High-spin level structure in the stable nucleus 195Pt
WANG SiCheng,ZHOU XiaoHong,*,FANG YongDe,ZHANG YuHu,SHI Yue,LIU MinLiang,WANG JianGuo,GUO YingXiang,GAO BingShui,HUA Wei,LI ShiCheng,MA Fei,LI GuangShun,HE Long,WANG ZhiGang,YAN XinLiang,FANG Fang,WU XiaoGuang,HE ChuangYe,ZHENG Yun,WANG ZhiMin,& XU FuRong.High-spin level structure in the stable nucleus 195Pt[J].Scientia Sinica Pysica,Mechanica & Astronomica,2012(6):639-646.
Authors:WANG SiCheng  ZHOU XiaoHong    FANG YongDe  ZHANG YuHu  SHI Yue  LIU MinLiang  WANG JianGuo  GUO YingXiang  GAO BingShui  HUA Wei  LI ShiCheng  MA Fei  LI GuangShun  HE Long  WANG ZhiGang  YAN XinLiang  FANG Fang  WU XiaoGuang  HE ChuangYe  ZHENG Yun  WANG ZhiMin  & XU FuRong
Institution:1 Institute of Modern Physics,Chinese Academy of Sciences,Lanzhou 730000,China;2 Graduate University of Chinese Academy of Sciences,Beijing 100049,China;3 School of Physics,and State Key Laboratory of Nuclear Physics and Technology,Peking University,Beijing 100871,China;4 China Institute of Atomic Energy,Beijing 102413,China
Abstract:The incomplete fusion reaction 192Os(7Li,(p,d,t) xn) has been used to populate high-spin states in the heavy stable nucleus 195Pt at a beam energy of 44 MeV.Based on the γ-γ coincidence relationships,relative intensities and ADO ratios,a level scheme consisting of 11 new γtransitions and 9 new levels is established for 195Pt.In comparison with the level structures observed in neighboring nuclei,the vi-113/2 and vi-213/2vj-1(j=p3/2,f5/2) configurations have been proposed to the 13/2+ and 21/2? states,and the properties of rotational band built on these states have been discussed with the help of Total-Routhian-Surface(TRS) calculations.
Keywords:high-spin states  incomplete fusion reaction  odd-A nucleus  rotational band
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