Effects of a heavy top quark on low energy data using the electroweak chiral Lagrangian

Details Effects of a heavy top quark on low energy data using the electroweak chiral Lagrangian Effects of a heavy top quark on low energy data using the electroweak chiral Lagrangian

1995-02-05

arxiv.org/abs/hep-ph/9502225v2

Phys.Rev. D52 (1995) 472-483

Physics

High Energy Physics

High Energy Physics - Phenomenology

Minor changes made including the title. 27 pages in Latex, 8 uuencoded PS figures in a seperate ".uu" file. To appear in Phys.

Scientific paper

10.1103/PhysRevD.52.472

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 $g$ (the weak coupling) are ignored. Using CERN LEP and SLAC Linear Collider (SLC) data we constrain on the nonstandard couplings, which might originate from the spontaneous symmetry-breaking sector, of the top quark to the electroweak gauge bosons.

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