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Measurement of the top quark mass using proton-proton data at(s)=7and 8 TeV
- Source :
- Physical Review D. 93
- Publication Year :
- 2016
- Publisher :
- American Physical Society (APS), 2016.
-
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 ttbar production.
- Subjects :
- Physics
Particle physics
Top quark
Luminosity (scattering theory)
Large Hadron Collider
Proton
010308 nuclear & particles physics
Astrophysics::High Energy Astrophysical Phenomena
High Energy Physics::Phenomenology
Tevatron
7. Clean energy
01 natural sciences
Standard Model
Nuclear physics
0103 physical sciences
High Energy Physics::Experiment
Nuclear Experiment
010306 general physics
Compact Muon Solenoid
Lepton
Subjects
Details
- ISSN :
- 24700029 and 24700010
- Volume :
- 93
- Database :
- OpenAIRE
- Journal :
- Physical Review D
- Accession number :
- edsair.doi...........930469dca1d4835f82aa0f01a3e9e2a7