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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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Discussion
The Oskar Klein Centre, Stockholm, Sweden
mICTP, Trieste, Italy
nINFN Gruppo Collegato di Udine, Sezione di Trieste, Udine, Italy
oAGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow, Poland
pPhysics Department, Brookhaven National Laboratory, Upton, New York, USA
qDepartment of Physics, Northern Illinois University, DeKalb, Illinois, USA
rFakultät für Physik, Ludwig-Maximilians-Universität München, München, Germany
sParticle Physics Department, Rutherford Appleton Laboratory, Didcot, United Kingdom
tOliver Lodge Laboratory, University of Liverpool, Liverpool, United Kingdom
uInstitute of Physics, University of Belgrade, Belgrade, Serbia
vDepartamento de Fisica Teorica y del Cosmos and CAFPE, Universidad de Granada, Granada (Spain), Portugal
wLaboratorio de Instrumentacao e Fisica Experimental de Particulas-LIP, Lisboa, Portugal
xDepartment of Physics, Boston University, Boston, Massachusetts, USA
yJoint Institute for Nuclear Research, JINR Dubna, Dubna, Russia
zDipartimento di Fisica, Università di Roma Tor Vergata, Roma, Italy
aaINFN Sezione di Roma Tor Vergata, Roma, Italy
abFysiska institutionen, Lunds universitet, Lund, Sweden
acInternational Center for Elementary Particle Physics and Department of Physics, The University of Tokyo, Tokyo, Japan
adP.N. Lebedev Institute of Physics, Academy of Sciences, Moscow, Russia
aeDipartimento di Fisica e Astronomia, Università di Bologna, Bologna, Italy
afINFN Sezione di Bologna, Bologna, Italy
agDepartment of Physics and Astronomy, University of Victoria, Victoria, British Columbia, Canada
ahLaboratoire de Physique Subatomique et de Cosmologie, Université Grenoble-Alpes, CNRS/IN2P3, Grenoble, France