Search for a Higgs Boson Decaying into Two Photons at LEP

Details Search for a Higgs Boson Decaying into Two Photons at LEP Search for a Higgs Boson Decaying into Two Photons at LEP

2002-03-12

arxiv.org/abs/hep-ex/0203016v1

Phys.Lett.B534:28-38,2002

Physics

High Energy Physics

High Energy Physics - Experiment

Scientific paper

10.1016/S0370-2693(02)01572-1

A Higgs particle produced in association with a Z boson and decaying into two photons is searched for in the data collected by the L3 experiment at LEP. All possible decay modes of the Z boson are investigated. No signal is observed in 447.5 pb^-1 of data recorded at centre-of-mass energies up to 209 GeV. Limits on the branching fraction of the Higgs boson decay into two photons as a function of the Higgs mass are derived. A lower limit on the mass of a fermiophobic Higgs boson is set at 105.4 GeV at 95% confidence level.

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