V,W, andXin technicolor models
- 1 May 1994
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 49 (9) , 4785-4792
- https://doi.org/10.1103/physrevd.49.4785
Abstract
Light technifermions and pseudo Goldstone bosons that contribute to the electroweak radiative correction parameters , , and may relax the constraints on technicolor models from the experimental values of the parameters and . Order of magnitude estimates of the contributions to , , and from light technileptons are made when the technineutrino has a small Dirac mass or a large Majorana mass. The contributions to , , and from pseudo Goldstone bosons are calculated in a gauged chiral Lagrangian. Estimates of , , and in one family technicolor models suggest that the upper bounds on and should be relaxed by between 0.1 and 1 depending upon the precise particle spectrum.
Keywords
All Related Versions
This publication has 19 references indexed in Scilit:
- Electroweak radiative corrections in dynamical models with Majorana neutrinosPhysics Letters B, 1993
- Estimation of oblique electroweak correctionsPhysical Review D, 1992
- Approaching low-energy QCD with a gauged, nonlocal, constituent-quark modelPhysical Review D, 1992
- ErrataPhysics Letters B, 1991
- Gauging nonlocal LagrangiansPhysical Review D, 1991
- New constraint on a strongly interacting Higgs sectorPhysical Review Letters, 1990
- Chiral lagrangian from quarks with dynamical massPhysics Letters B, 1990
- Electroweak radiative corrections with an effective lagrangian: Four-fermions processesNuclear Physics B, 1989
- Corrections to weak-interaction parameters in theories of technicolorNuclear Physics B, 1983
- TechnicolourPhysics Reports, 1981