Combined measurement of the Higgs Boson Mass in $pp$ collisions at $\sqrt{s}=7$ and 8 TeV with the ATLAS and CMS experiments

Aad, G; Aarrestad, T K; Amsler, C; Canelli, M F; Chiochia, V; De Cosa, A; Galloni, C; Hinzmann, A; Hreus, T; Kilmister, B; Lange, C; Ngadiuba, J; Pinna, D; Robmann, P; Ronga, F J; Salerno, D; Taroni, S; Yang, Y; ATLAS Collaboration; CMS Collaboration; et al (2015). Combined measurement of the Higgs Boson Mass in $pp$ collisions at $\sqrt{s}=7$ and 8 TeV with the ATLAS and CMS experiments. Physical Review Letters, 114(19):1-47.

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 $H \rightarrow\gamma\gamma$ and $H \rightarrow ZZ\rightarrow 4\ell$ 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 $m_{H} = 125.09\pm0.21\,\mathrm{(stat.)}\pm0.11\,\mathrm{(syst.)}~\mathrm{GeV}$.

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 $H \rightarrow\gamma\gamma$ and $H \rightarrow ZZ\rightarrow 4\ell$ 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 $m_{H} = 125.09\pm0.21\,\mathrm{(stat.)}\pm0.11\,\mathrm{(syst.)}~\mathrm{GeV}$.

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Item Type: Journal Article, refereed, original work 07 Faculty of Science > Physics Institute 530 Physics English 2015 08 Feb 2016 13:20 23 Sep 2018 05:59 American Physical Society 0031-9007 Hybrid Publisher DOI. An embargo period may apply. https://doi.org/10.1103/PhysRevLett.114.191803