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Measurement of the asymmetry in angular distributions of leptons produced in dilepton ttbar final states in ppbar 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.
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http://hal.in2p3.fr/in2p3-00856609
Contributor : Sylvie Flores <>
Submitted on : Monday, September 2, 2013 - 8:03:28 AM
Last modification on : Monday, July 20, 2020 - 9:18:27 AM

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V.M. Abazov, F. Badaud, U. Bassler, G. Bernardi, M. Besançon, et al.. Measurement of the asymmetry in angular distributions of leptons produced in dilepton ttbar final states in ppbar collisions at sqrt(s)=1.96 TeV. Physical Review D, American Physical Society, 2013, 88, pp.112002. ⟨10.1103/PhysRevD.88.112002⟩. ⟨in2p3-00856609⟩

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