I guess another way to ask this is: Does the "physical electron" spend EQUAL time being a left-chiral and right-chiral fermion, on average?
The electron switches between (-1/2 T3, -1Y) and (0 T3, -2Y) components as it interacts with the Higgs vev. Is there a difference in the "lifetime" of the 2 components, or are they exactly equal, or is it unknown?
Update: I just realized, this might be equivalent to asking if the amplitude to EMIT or ABSORB a higgs is equal, correct? Then by Special Relativity, I assume they must be equal.