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COMPOSITE W BOSON COUPLINGS

Authors
  • Choudhury, S.R.
  • Ellis, R.G.
  • Joshi, Girish C.
Publication Date
Nov 01, 1984
Identifiers
DOI: 10.1103/PhysRevD.32.1250
OAI: oai:inspirehep.net:15820
Source
INSPIRE-HEP
Keywords
License
Unknown
External links

Abstract

The couplings of W bosons to leptons and quarks are calculated by making an ansatz for the composite-W-boson Bethe-Salpeter amplitude. The ansatz is constructed to be consistent in the nonrelativistic limit with the W-boson wave function as generated from a potential model. The γW0 mixing parameter λ and the weak coupling g are derived. The only free parameter is the mass of the leptonic scalar preon ms which is found to be ∼2 TeV to correctly reproduce sin2θW. It is shown that sin2θW is only indirectly related to the wave function at the origin.

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