Measurement of the top quark mass using proton-proton data at(s)=7and 8 TeV

Compact Muon Solenoid final state: ((n)jet) top: mass: measured Large Hadron Collider (LHC) 7000 GeV-cms8000 GeV-cms 01 natural sciences 7. Clean energy PARTICLE PHYSICS; LARGE HADRON COLLIDER; CMS Physics, Particles & Fields High Energy Physics - Experiment High Energy Physics - Experiment (hep-ex) [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex] Boson info:eu-repo/classification/ddc/530 TEVATRON High energy physics ; Experimental particle physics ; LHC ; CMS ; Standard Model CMS Physics ddc:530 BOSON Nuclear & Particles Physics Tevatron CERN LHC Coll Q1 Science (General) / természettudomány általában kinematics Physical Sciences Physique des particules élémentaires PARTICLE PHYSICS Lhc LHC Standard model Nuclear and High Energy Physics p p: scattering Particles & Fields STANDARD MODEL final state: ((n)jet lepton) FOS: Physical sciences Fizik Astronomy & Astrophysics STANDARD MODEL; LHC; TEVATRON; PHYSICS; DECAY; BOSON 530 PHYSICS 0202 Atomic, Molecular, Nuclear, Particle And Plasma Physics 0103 physical sciences Nuclear 0206 Quantum Physics Proton-proton data Science & Technology hep-ex final state: ((n)jet dilepton) Molecular Decay LARGE HADRON COLLIDER 0201 Astronomical And Space Sciences 0202 Atomic Particle And Plasma Physics DECAY p p: colliding beams Top quark mass experimental results
DOI: 10.1103/physrevd.93.072004 Publication Date: 2016-04-08T12:14:11Z
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ABSTRACT
A new set of measurements of the top quark mass are presented, based on the proton-proton data recorded by the CMS experiment at the LHC at sqrt(s) = 8 TeV corresponding to a luminosity of 19.7 inverse femtobarns. The top quark mass is measured using the lepton + jets, all-jets and dilepton decay channels, giving values of 172.35 +/- 0.16 (stat) +/- 0.48 (syst) GeV, 172.32 +/- 0.25 (stat) +/- 0.59 (syst) GeV, and 172.82 +/- 0.19 (stat) +/- 1.22 (syst) GeV, respectively. When combined with the published CMS results at sqrt(s) = 7 TeV, they provide a top quark mass measurement of 172.44 +/- 0.13 (stat) +/- 0.47 (syst) GeV. The top quark mass is also studied as a function of the event kinematical properties in the lepton + jets decay channel. No indications of a kinematic bias are observed and the collision data are consistent with a range of predictions from current theoretical models of t t-bar production.<br/>Replaced with published version. All figures and tables can be found at http://cms-results.web.cern.ch/cms-results/public-results/publications/TOP-14-022/index.html<br/>
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