Combined Measurement of the Higgs Boson Mass in Pp Collisions at Root S=7 and 8 Tev With the Atlas and Cms Experiments

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Abstract

A measurement of the Higgs boson mass is presented based on the combined data samples of the ATLAS and CMS experiments at the CERN LHC in the H --> gamma gamma and H --> ZZ --> 4l decay channels. The results are obtained from a simultaneous fit to the reconstructed invariant mass peaks in the two channels and for the two experiments. The measured masses from the individual channels and the two experiments are found to be consistent among themselves. The combined measured mass of the Higgs boson is m(H) = 125.09 +/- 0.21 (stat) +/- 0.11 (syst) GeV.

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550, High Energy Physics - Experiment; High Energy Physics - Experiment; Physics and Astronomy (all), General Physics and Astronomy, 7000 GeV-cms8000 GeV-cms, 09 Engineering, High Energy Physics - Experiment, bosons, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Higgs boson, LHC, combined data, info:eu-repo/classification/ddc/530, 8000 GeV-cms, Multidisciplinary, 02 Physical Sciences, CMS, Physics, ddc:530, Z0 --> lepton+ lepton-, Higgs particle --> 2photon, ATLAS, Settore FIS/01 - FISICA SPERIMENTALE, Higgs boson; combined measures; ATLAS experiment, Higgs particle --> 2photon, CERN LHC Coll, data sample, 7000 GeV-cms, Physical Sciences, CMS Collaboration, combined measurements, LHC, Higgs particle: decay modes, General Physics, p p: scattering, CERN Lab, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], Higgs boson, GAUGE, Physics, Multidisciplinary, Higgs particle --> 2Z0, 530, Tellurium compounds, Physics and Astronomy (all), Physics and Astronomy (all); LHC; ATLAS; CMS; higgs particle, invariant mass, gammagamma, decay channels, BROKEN SYMMETRIES, PARTICLES, particle physics, Higgs particle --> 2Z0, DETECTOR, two channel, 01 Mathematical Sciences, ATLAS Collaboration, info:eu-repo/classification/ddc/550, Science & Technology, Z0 --> lepton+ lepton-, hep-ex, 940, High Energy Physics - Experiment; High Energy Physics - Experiment, HEP, Higgs particle: radiative decay, Higgs particle: mass: measured, Physics and Astronomy, Z0: leptonic decay, p p: colliding beams, experimental results

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01 natural sciences, 0103 physical sciences

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114

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19

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