Terrible name. A muon is a lepton, not a meson. If it were a lighter replacement of electron, muon would be an appropriate (if counterintuitive) name. There a

Terrible name. A muon is a lepton, not a meson. If it were a lighter replacement of electron, muon would be an appropriate (if counterintuitive) name. There are so many mesons (pion, kaon, \eta, \rho, J/\psi, D, B, \omega,\upsilon), why not pick one of those?