Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
1999-08-05
Physics
High Energy Physics
High Energy Physics - Experiment
5 pages, 5 figures. Paper contributed to Lepton-Photon Symposium 1999
Scientific paper
A preliminary search for neutral Higgs bosons is performed in the data collected by ALEPH in 1999, corresponding to integrated luminosities of 29.0 and 69.5 pb^-1 at centre-of-mass energies of 191.6 and 195.6 GeV respectively. No evidence for a signal is found. Combined with the lower energy ALEPH data, this observation leads to a 95% confidence level lower mass limit of 98.8 GeV/c^2 for the Standard Model Higgs boson. In the MSSM, the lower limit for the mass of the lightest CP-even Higgs boson h, is found to be 85.2 GeV/c^2 for all values of tan(beta)>=1.
ALEPH Collaboration
Barate R.
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