How can you tell if a strong interaction occurred from the particles involved?

[da_willem]

Whenever a process yields a photon, an electromagnetic interaction is involved. If a neutrino comes out, a weak interaction is responsible. Is there any way to see from the ingoing and outgoing particles if a strong interaction is involved?

 

[malawi_glenn]

if isospin and strangesness is conserved, you must have a strong intercation. Weak do not conserce strageness and EM do not conserve isospin.

 

[da_willem]

Ah great, not as easy to figure out as for the other interactions but very helpful. Thanks!

 

[malawi_glenn]

And also the strong interaction is much much more probable than the weak in those cases when conditions of both strong and weak are fullfilled.