CERN Accelerating science

CMS Physics Analysis Summaries
Report number	CMS-PAS-TOP-13-005
Title	Combination of ATLAS and CMS results on the mass of the top quark using up to 4.9 inverse femtobarns of data
Corporate author(s)	CMS Collaboration
Collaboration	CMS Collaboration
Subject category	Particle Physics - Experiment
Accelerator/Facility, Experiment	CERN LHC ; CMS CERN LHC ; ATLAS
Abstract	A combination of top-quark mass measurements performed by the ATLAS and CMS experiments at the LHC is presented. The dataset used corresponds to an integrated luminosity per experiment of up to 4.9 $\rm{fb}^{-1}$ of proton-proton collisions at a centre-of-mass energy of 7 TeV. The combination includes measurements in the ${\rm{t \bar{t}}\to\mbox{lepton+jets}}$, ${\rm{t \bar{t}}\to\mbox{di-lepton}}$ and ${\rm{t \bar{t}}\to\mbox{all jets}}$ channels. The resulting combined LHC measurement of the top-quark mass is $m_{t} = 173.29 \pm 0.23 \mbox{ (stat)} \pm 0.92 \mbox{ (syst)}$ GeV, with a total uncertainty of $0.95$ GeV.
Other source	Inspire
Email contact: cms-pag-conveners-top@cern.ch  Fulltext in PDF  Figure_001-a  Figure_001-b  Figure_001-c  Figure_002-a  Figure_002-b  Figure_002-c  Figure_002-d  Additional information for the analysis (restricted access)