/ hep-ex FERMILAB-PUB-13-347-E

Measurement of the asymmetry in angular distributions of leptons produced in dilepton ttbar final states in $p\bar p$ collisions at $\sqrt{s}=1.96$ TeV

Abstract: We present measurements of asymmetries in angular distributions of leptons produced in ttbar events in proton-antiproton collisions at the Fermilab Tevatron Collider. We consider final states where the W bosons from top quark and antiquark decays both decay into l nu (l=e, mu) resulting in oppositely charged dilepton final states with accompanying jets. Using 9.7 fb^-1 of integrated luminosity collected with the D0 detector, we find the asymmetries in lepton pseudorapidity compatible with predictions based on the standard model.

Note: submitted to Phys. Rev. D

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