- #1
jazznaz
- 23
- 0
Homework Statement
Is the following process a valid interaction?
[tex]\nu_\mu \bar{\nu}_e \rightarrow e^+ \mu[/tex]
Homework Equations
none
The Attempt at a Solution
I'm not sure whether lepton number must be conserved at each vertex, or just for the overall process. I can draw a Feynman diagram with a Z0 boson as the exchange particle, but I'm not convinced that this is correct.