A positron cannot decay into three neutrinos. Of the following conservation laws, which would be violated if it did?

Name: A positron cannot decay into three neutrinos. Of the following conservation laws, which would be violated if it did?
Brand: Quizplus
Rating: 4.8 (51 reviews)

Question

Quizplus · Accepted Answer

The decay of a positron into three neutrinos violates the conservation of lepton number because the initial state has lepton number +1 (positron) and the final state has lepton number -3 (3 neutrinos), resulting in a difference of -4 lepton number.

A Positron Cannot Decay into Three Neutrinos