LEPTON MASS FORMULA

A recently proposed mass formula for the muon is extended to τ and other heavy leptons. It is postulated that a quantized magnetic self-energy of magnitude 32α-1n4Me, where n is a new quantum number, be added to the rest mass of a lepton to get the next heavy lepton in the chain e, μ, τ, with n=1 for μ, n=2 for τ, etc. I predict Mτ=1786.08 MeV, and for the next lepton Mδ=10 293.7 MeV. © 1979 The American Physical Society.