We present expressions of the Pagels--Stokar type for the masses of the W andZ bosons in terms of the quark and lepton self-energies. By introducing agenuine new term in the gauge boson--fermion--anti-fermion vertex we manage toaccomplish three main achievements: First, we show that the similar resultsexisting in literature lead, in general, to a non-symmetric gauge boson massmatrix and we fix this flaw. Second, we consider the case of any number offermion generations with general mixing. Third, we include in our analysis alsoan arbitrary number of right-handed neutrinos, together with the left-handedand right-handed neutrino Majorana masses (self-energies). On top of that, wegive also a correction to the original Pagels--Stokar formula for the piondecay constant in QCD.
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