Learning about nuclear threshold energy and particle behavior

[Deepak247]

I want to know all about nuclear thresholds...where can i learn about them...? (e.g threshold energy and how particles behave under them...different types of threshold energy and their behavior)

 

[ParticleGrl]

Threshold for producing what? Are you familiar with four-vectors/the energy-momentum four vector? You can generally work out threshold energies by working in the center of mass frame (where final state particles have no total momentum).

 

[Deepak247]

Threshold for producing particles...i want to know more about the thresholds that existed after the big bang...