From Roger Darlington
Samuel Baron poses a question: “Are the number of quarks in an electron sufficient to account for the electron’s mass?” (Forum, 17 December).
According to current perceived wisdom, the electron is a fundamental particle belonging to the leptons, which do not interact via the strong nuclear force, and possess no quarks.
If Baron had instead posed the question with a proton or neutron instead of with an electron, his question would have been meaningful.
