Apr 18, 2014 #1 Qubix Messages 82 Reaction score 1 What is the Decay Width of a particle and how is it related to the particle's lifetime ?
Apr 18, 2014 #2 UltrafastPED Science Advisor Gold Member Messages 1,910 Reaction score 216 See http://pms.iitk.ernet.in/wiki/index...d_Transition_Rates#Decay_Width_and_Decay_Time