160 Tb β - 衰变纲图研究
2003
对由160Tb的β-衰变而产生的γ射线利用GeLi和HpGe探测器进行了单谱和γ γ符合谱的测量.根据单谱和γ-γ符合谱的测量结果给出了160Tb的β-衰变纲图.并用绝热对称转动模型对160Dy中转动带与振动带的耦合参数Zγ值进行了计算,得出从振动带到转动带的γ跃迁几率B(E2)值之比不能通过唯一的Zγ值来描述.Tb/β-衰变;衰变纲图;带耦合参数 The γtransitions in 160Tb decay has been studied by γ ray spectroscopy and γγ coincidence measurements with highefficiency Ge(Li) and HpGe detectors. The β- decay scheme of 160Tb was proposed according to the results of γray spectroscopy and γγ coincidence measurement. The bandmixing parameter Zγ for 160Dy is determined and it is observed that the measured γray branching ratios do not lead to a unique value of Zγ for 160 Dy.
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