The K 0 particle has a rest mass of 497 7 MeV c 2 It decays into a and , each with rest mass 139 6 MeV c 2 Following the decay of a K 0 , one of the pions is at rest in the laboratory Determine the kinetic energy of the other pion and of the K 0 prior to the decay ...

We shall first consider the decay process in the c ...

The K 0 particle has a rest mass of 497.7 MeV/c 2 . It decays into a

Question:

The K⁰ particle has a rest mass of 497.7 MeV/c². It decays into a π^– and π⁺, each with rest mass 139.6 MeV/c². Following the decay of a K⁰, one of the pions is at rest in the laboratory. Determine the kinetic energy of the other pion and of the K⁰ prior to the decay.