Two-Higgs-doublet models and the Yukawa process at LEP1

Details Two-Higgs-doublet models and the Yukawa process at LEP1 Two-Higgs-doublet models and the Yukawa process at LEP1

1996-02-13

arxiv.org/abs/hep-ph/9602292v1

Acta Phys.Polon. B27 (1996) 961-970

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, Latex, 2 figures in uuencoded Postscript format, for correspondence: kalino@fuw.edu.pl, krawczyk@fuw.edu.pl

Scientific paper

We investigate the production of Higgs bosons $A/h$ via the Yukawa process $Z\ra f\bar{f} \ra f\bar{f} A/h $ taking into account QCD corrections and fermion mass effects. We estimate the discovery reach of this process and/or bounds on the parameter space of two-Higgs doublet models which can be derived from the analysis of $b {\bar b} \tau^+ \tau^-$ events at LEP1. These limits have important consequences for extended models of electroweak interactions and their experimental verification/improvement are welcome.

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