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From two mesons and (V-A) weak currents to the standard model of quark and lepton interactions |
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| Authors: | R E Marshak |
| Institution: | 1. Department of Physics, Virginia Polytechnic Institute and State University, 24061, Blacksburg, Virginia, USA |
| Abstract: | This retrospective paper traces the conceptual evolution of two theories in which the author was involved—the two-meson theory (with H A Bethe) in 1947 and the universal (V-A) theory of weak interactions (with E C G Sudarshan) in 1957—into the present-day standard model of particle interactions. Part 1 is entitled ‘From the pion to QCD and pseudo-Goldstone bosons” and Part 2 “From the muon and neutrino to QFD and chiral anomalies’. Adapted from two lectures delivered at the University of Rochester in October, 1987. |
| Keywords: | Meson pion muon neutrino quark lepton colour and flavour global and gauge symmetries Abelian and non-Abelian groups quantum chromodynamics (QCD) quark condensate spontaneous symmetry breaking (pseudo) Goldstone-boson weak current universal (V-A) interaction weak boson electroweak group Higgs mechanism quantum flavour dynamics (QFD) chiral gauge anomalies |
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