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介绍了符合模式下γ射线的各向异性度测量方法以及由此来指定γ射线跃迁多极性的原理 .结合在具体物理实验中的探测器布局 ,讨论了影响此方法准确性的因素 .通过提取已知跃迁多极性的γ射线的各向异性度系数 ,说明了各向异性度方法是可靠的 .总结此方法与传统的角分布和DCO测量方法相比所具有的优越性 .
The method of measuring the anisotropy of γ-ray in coincidence mode and the principle of specifying the multi-polarity of γ-ray transition are introduced.Combining with the layout of the detector in the concrete physical experiment, the factors influencing the accuracy of this method are discussed. The anisotropy coefficient of γ-rays extracted from known multi-polarity transitions shows that the anisotropy method is reliable and sums up the superiority of this method compared with traditional angular distribution and DCO methods.