Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2004-06-21
Eur.Phys.J.C37:49-78,2004
Physics
High Energy Physics
High Energy Physics - Experiment
62 pages, 28 figures, Submitted to Eur. Phys. J. C
Scientific paper
10.1140/epjc/s2004-01996-8
This report summarizes the final results from the OPAL collaboration on searches for neutral Higgs bosons predicted by the Minimal Supersymmetric Standard Model (MSSM). CP-conserving and for the first time at LEP CP-violating scenarios are studied. New scenarios are also included, which aim to set the stage for Higgs searches at future colliders. The results are based on the data collected with the OPAL detector at e+e- centre-of-mass energies up to 209 GeV. The data are consistent with the prediction of the Standard Model with no Higgs boson produced. Model-independent limits are derived for the cross-section of a number of events topologies motivated by prediction of the MSSM. Limits on Higgs boson masses and other MSSM parameters are obtained for a number of representative MSSM benchmark scenarios. For example, in the CP-conserving scenario mh-max where the MSSM parameters are adjusted to predict the largest range of values for mh at each tan beta, and for a top quark mass of 174.3 GeV, the domain 0.7
Abbiendi Giovanni
collaboration The OPAL
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