Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1992-07-20
Phys.Lett. B292 (1992) 435-441
Physics
High Energy Physics
High Energy Physics - Phenomenology
17 pages (which incl 3 figures), BUHEP-92-25 HUTP-92/A033, text uses harvmac, figures use pictex
Scientific paper
10.1016/0370-2693(92)91200-S
Radiative corrections to electroweak parameters in technicolor theories may be evaluated by one of two techniques: either one estimates spectral function integrals using scaled QCD data, or one uses naive dimensional analysis with a chiral Lagrangian. The former yields corrections to electroweak parameters proportional to the number of flavors and the number of colors, while the latter is proportional to the number of flavors squared and is independent of the number of colors. We attempt to resolve this apparent contradiction by showing that the spectrum of technicolor one obtains by scaling QCD data to high energies is unlikely to resemble that of an actual technicolor theory. The resonances are likely to be much lighter than naively supposed and the radiative corrections to electroweak parameters may by much larger. We also argue that much less is known about the spectrum and the radiative corrections in technicolor than was previously believed.
Chivukula Sekhar R.
Dugan M.
Golden Mitchell
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