Combined Measurement of the Higgs Boson Mass in $pp$ Collisions at $\sqrt{s}=7$ and 8 TeV with the ATLAS and CMS Experiments

Basegmez, Suzan;Bondu, Olivier;Bruno, Giacomo;Castello, Roberto;CMS;et.al.
(2015) Physical Review Letters — Vol. 114, p. 191803 (2015)

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Authors
  • Basegmez, Suzan
    Author
  • Bondu, OlivierUCLouvain
    Author
  • Author
  • Castello, Roberto
    Author
  • Caudron, AdrienUCLouvain
    Author
  • Ceard, LudivineUCLouvain
    Author
  • Author
  • Favart, DenisUCLouvain
    Author
  • Komm, MatthiasUCLouvain
    Author
  • Author
  • Piotrzkowski, KrzysztofUCLouvain
    Author
  • Author
  • Selvaggi, MicheleUCLouvain
    Author
  • Vidal Maroño, MiguelUCLouvain
    Author
  • CMS
    Collaborator
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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 $H \rightarrow \gamma\gamma$ 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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Citations

Basegmez, S., Bondu, O., Bruno, G., Castello, R., Caudron, A., Ceard, L., Da Silveira, G. G., Delaere, C., Favart, D., Forthomme, L., Hollar, J., Jafari, A., Jez, P., Komm, M., Lemaitre, V., Mertens, A., Nuttens, C., Perrini, L., Pin, A., 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, 191803. https://doi.org/10.1103/PhysRevLett.114.191803 (Original work published 2015)