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Measurement of the Higgs Boson Properties at \sqrt s = 13 TeV With CMS in the \gamma \gamma Decay Channel


The decay of the Higgs boson to two photons is one of the major analysis channels for Higgs physics studied at the LHC. Together with the four-lepton decay channel, it provided the most statistically robust signal leading to the Higgs discovery in 2012. Although the particle has been extensively studied at 7 TeV and 8 TeV, research into higher collision energies (13 TeV) is necessary for further characterization. The two-photon collaboration in CMS has developed analysis tools to investigate these high-energy collision events. Important results

are a measured signal strength of σobs/σtheoretical = 1.16+0.11−0.10 and a measured mass of mH=125.09 GeV with 9.3σ significance.

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