I am reading some papers related to the charged-particle multiplicity in pp, pA and AA collisions (at, e.g., ALICE experiment). I see some concepts in those that I don't understand: non-difractive and non-single-diffractive multiplicities. Could anyone please explain those for me?
This post imported from StackExchange Physics at 2017-04-08 22:37 (UTC), posted by SE-user Lê Dũng