Higher Dimensional Operators in Top Condensation from a Renormalization Group Point of View

Details Higher Dimensional Operators in Top Condensation from a Renormalization Group Point of View Higher Dimensional Operators in Top Condensation from a Renormalization Group Point of View

1997-10-28

arxiv.org/abs/hep-ph/9710495v2

Phys.Rev. D58 (1998) 035009

Physics

High Energy Physics

High Energy Physics - Phenomenology

21 pages, latex2e, axodraw.sty, epsfig.sty, 4 postscript figures. Some of the discussions extended and clarified

Scientific paper

10.1103/PhysRevD.58.035009

The predictive power of top-condensation models strongly depends on the behaviour of higher dimensional operators. These are analyzed in this paper by an extension of the standard renormalization group (RG) arguments which turns out to be a surprisingly powerful tool. Top-condensation models intermediated by underlying scalar exchange can be shown to be mere reparametrizations of the standard model. Further on, RG-arguments show that dynamical vector states cannot be lowered in top-condensation models. Finally we give a general argument concerning the size of higher dimensional operators of heavy vector exchange.

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