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Title

Search for a Higgs boson decaying into two photons at LEP

CollaborationWith : Achard, Pablo / Bourquin, Maurice / Braccini, Saverio / Chamizo Llatas, Maria / Deglon, Patrick / Delmeire, Evelyne / Echenard, Bertrand / Extermann, Pierre / Field, John / Kienzle, Maria-Novella / Malgeri, Luca / Natale, Sonia / Pohl, Martin
Published in Physics Letters. B. 2002, vol. 534, no. 1-4, p. 28-38
Abstract 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 from 192 GeV 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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L3 COLLABORATION. Search for a Higgs boson decaying into two photons at LEP. In: Physics Letters. B, 2002, vol. 534, n° 1-4, p. 28-38. https://archive-ouverte.unige.ch/unige:43051

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Deposited on : 2014-12-11

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