Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1997-06-23
International Journal of Modern Physics A15 (2000) 1497
Physics
High Energy Physics
High Energy Physics - Phenomenology
27 pages, LaTex, no figures; revised for publication; accepted by Int. J. Mod. Phys. A; includes biographical note on A. F. Ni
Scientific paper
10.1142/S0217751X00000677
A perturbative SU(2)_L X U(1)_Y electroweak theory containing W, Z, photon, ghost, lepton and quark fields, but no Higgs or other fields, gives masses to W, Z and the non-neutrino fermions by means of an unconventional choice for the unperturbed Lagrangian and a novel method of renormalisation. The renormalisation extends to all orders. The masses emerge on renormalisation to one loop. To one loop the neutrinos are massless, the A -> Z transition drops out of the theory, the d quark is unstable and S-matrix elements are independent of the gauge parameter xi.
Kennedy Dallas C.
Nicholson Angus F.
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