Search for a Higgs Boson Decaying into Two Photons in e+e- Interactions at sqrt{s}=189GeV

Abstract

A search is performed for a Higgs boson produced in association with a Z boson and decaying into two photons, using the L3 data collected at LEP at a centre-of-mass energy of 189 GeV. All decay modes of the Z are considered. No signal is observed and limits on the branching fraction of the Higgs boson decay into two photons as a function of the Higgs mass are derived assuming a Standard Model production rate. A lower limit on the mass of a fermiophobic Higgs is set at 94.9 GeV at 95% confidence level.

References in corpus (3)

• Experimental Signatures of Fermiophobic Higgs bosons
• Single and Multi-Photon Events with Missing Energy in e+e- Collisions at \sqrt{s} = 189 GeV
• Search for Higgs Bosons and Other Massive States decaying into two Photons in e+e- Collisions at 189 GeV

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