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

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.

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