b b-bar Production on the Z Resonance and Implications for LEP2

Details b b-bar Production on the Z Resonance and Implications for LEP2 b b-bar Production on the Z Resonance and Implications for LEP2

1997-05-23

arxiv.org/abs/hep-ph/9705410v2

Phys.Rev. D57 (1998) 364-372

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages with minor revisions to preprint number, abstract, and text; LaTeX, REVTeX, plus 9 postscript figures

Scientific paper

10.1103/PhysRevD.57.364

In terms of an effective lagrangian, we examine the effect of new physics associated with third-generation fermions on b b-bar production at the Z resonance and study its implications for LEP2. We obtain the constraints on such operators with derivative couplings at LEP1 and the SLC, and determine the prospects for detecting their presence at LEP2. We find that despite the small observed deviations from the standard model on the Z resonance, much larger deviations from standard model predictions are possible at LEP2, and the corresponding couplings can be determined rather precisely.

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