Compact Muon Solenoid
LHC, CERN
Visit us: CMS Public Website, CMS Physics ;
Contact us: CMS Publications Committee
| CMS-TOP-11-004 ; CERN-PH-EP-2012-374 | ||
| Measurement of the $ \mathrm{ t \bar{t} } $ production cross section in the $\tau$+jets channel in pp collisions at $\sqrt{s}$ = 7 TeV | ||
| CMS Collaboration | ||
| 25 January 2013 | ||
| Eur. Phys. J. C 73 (2013) 2386 | ||
| Abstract: The top-quark pair production cross section in 7 TeV centre-of-mass proton proton collisions is measured using data collected by the CMS detector at the LHC. The measurement uses events with one jet identified as a hadronically-decaying tau lepton and at least four additional energetic jets, at least one of which is identified as coming from a b quark. The analysed data sample corresponds to an integrated luminosity of 3.9 inverse femtobarns recorded by a dedicated multijet plus hadronically-decaying tau trigger. A neural network has been developed to separate the top-quark pairs from the W+jets and multijet backgrounds. The measured value of sigma(ttbar) = 152 +/- 2 (stat.) +/- 32 (syst.) +/- 3 (lum.) pb is consistent with the standard model predictions. | ||
| Links: e-print arXiv:1301.5755 [hep-ex] (PDF) ; CDS record ; inSPIRE record ; Public twiki page ; HepData record ; CADI line (restricted) ; | ||
| Figures | |
png pdf |
Figure 1:
|
png pdf |
Figure 2:
|
|
|
Compact Muon Solenoid LHC, CERN |
|
|
|
|
|
|