Search for charged Higgs bosons in e^+e- collisions at sqrt{s} = 130 - 172 GeV

Details Search for charged Higgs bosons in e^+e- collisions at sqrt{s} = 130 - 172 GeV Search for charged Higgs bosons in e^+e- collisions at sqrt{s} = 130 - 172 GeV

1998-02-02

arxiv.org/abs/hep-ex/9802004v1

Phys.Lett.B426:180-192,1998

Physics

High Energy Physics

High Energy Physics - Experiment

19 pages, LaTeX, uses a4p.sty, 3 eps figures included, submitted to Phys. Lett. B

Scientific paper

10.1016/S0370-2693(98)00360-8

A search is described to detect charged Higgs bosons via the process e^+e^- -> H^+H^-, using data collected by the OPAL detector at center-of-mass energies of 130-172 GeV with a total integrated luminosity of 25 pb^-1. The decay channels are assumed to be H^+ -> qq'(bar) and H^+ -> \tau^+ \nu_{\tau}. No evidence for charged Higgs boson production is observed. The lower limit for its mass is determined to be 52 GeV at 95% confidence level, independent of the H^+ -> \tau^+ \nu_{\tau} branching ratio.

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