Compact Muon Solenoid
LHC, CERN
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| CMS-PAS-TOP-16-001 | ||
| Search for CP violation in top-pair events with lepton+jets channel at $ \sqrt{s} =$ 8TeV | ||
| CMS Collaboration | ||
| March 2016 | ||
| Abstract: We present the first measurement at the LHC of CP-violation asymmetries in $ \mathrm{ t \bar{t} }$ events based on the T-odd triple product correlations. The analyzed data are collected by the CMS experiment from pp collisions at a center-of-mass energy $\sqrt{s} =$ 8 TeV and correspond to an integrated luminosity of 19.7 fb$^{-1}$. The T-odd observables are measured using the linearly independent four-momentum vectors associated with the top quark production and decay. The measured asymmetries show no evidence for CP-violation effects in $ \mathrm{ t \bar{t} }$ events, in agreement with the standard model prediction. | ||
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Links:
CDS record (PDF) ;
inSPIRE record ;
CADI line (restricted) ;
These preliminary results are superseded in this paper, JHEP 03 (2017) 101. The superseded preliminary plots can be found here. |
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Compact Muon Solenoid LHC, CERN |
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