Search for the Standard Model Higgs boson in the two photon decay channel with the ATLAS detector at the LHC

Abstract

A search for the Standard Model Higgs boson in the two photon decay channel is reported, using 1.08 fb^-1 of proton-proton collision data at a centre-of-mass energy of 7 TeV recorded by the ATLAS detector. No significant excess is observed in the investigated mass range of 110-150 GeV. Upper limits on the cross-section times branching ratio of between 2.0 and 5.8 times the Standard Model prediction are derived for this mass range.

10 pages plus author list (23 pages total), 4 figures, 2 tables, final version published in Physics Letters B

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