reduced transition probability meaning in English

约化跃迁几率

But up to now , there is no direct experimental measurement result about the reduced transition probability of the first excitation state of 64cu and only one experiment which had measured the lifetime of low - lying excitation state of 64cu
但直到现在，有关‘ ll第一激发态ba ）值无直接的实验测量结果，仅有一个实验测量了刷cll第一激发态的能级寿命，该实验通过‘ i … ， ny ）反应布居‘ u的激发态，通过脉冲质子束流（脉冲宽度0