Two-Higgs-doublet models and the Yukawa process at LEP1
Jan Kalinowski, Maria Krawczyk
Abstract
We investigate the production of Higgs bosons A/h via the Yukawa process Z ff ff 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 b τ+ τ- 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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