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测量了1 9F + 93Nb耗散反应产物的激发函数与角分布 .从角分布的斜率提取的该反应系统的平均寿命在对称性较大的入射系统中反映了系统中耗散产物的特征时间 ;通过能量自关联函数方法从激发函数提取的反应时间不论在对称的还是在非对称的入射系统中都反映了耗散产物的特征时间 .能量自关联函数还可以给出双核系统的转动角速度以及表征转动阻尼的退相干宽度 ,更好地描述双核系统随时间的整个演化过程 .
The excitation functions and angular distributions of dissipative reaction products of 1 9F + 93Nb were measured.The average lifetime of the reaction system extracted from the slope of the angular distribution reflected the characteristic time of dissipative products in the system with large symmetry. The reaction time extracted from the excitation function by the energy self-correlation function method reflects the characteristic time of the dissipative product in both symmetric and asymmetric incident systems. The energy self-correlation function can also give the rotational angular velocity and characterization of the dual-core system Turn the damped decoherence width to better describe the entire evolution of the dual-core system over time.