maximum averaging time

The mean last passage time is introduced to instead of the mean first passage time for studying the decay of an induced-fissioning system.

提出利用平均最后通过鞍点时间计算热核裂变速率,结果表明平均最后通过鞍点时间的倒数比平均首次通过断点时间的倒数更接近朗之万数值模拟值。