Effects of a heavy top quark on low energy data using the electroweak chiral Lagrangian
- Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824 (United States)
We study large top quark mass effects on low energy physics in the chiral-Lagrangian-formulated electroweak theories. We show that these radiative corrections can be easily obtained from a set of Feynman diagrams involving only the scalar Goldstone bosons and the fermions when the contributions of the order {ital g} (the weak coupling) are ignored. Using CERN LEP and SLAC Linear Collider data we constrain the nonstandard couplings, which might originate from the spontaneous symmetry-breaking sector, of the top quark to the electroweak gauge bosons.
- OSTI ID:
- 69241
- Journal Information:
- Physical Review, D, Journal Name: Physical Review, D Journal Issue: 1 Vol. 52; ISSN PRVDAQ; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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