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  • PhysRevD.88.112002

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Measurement of the asymmetry in angular distributions of leptons produced in dilepton tt̅ final states in pp̅ collisions at √s =1.96  TeV

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Article number112002
<mark>Journal publication date</mark>2/12/2013
<mark>Journal</mark>Physical Review D
Issue number11
Volume88
Number of pages12
<mark>State</mark>Published
<mark>Original language</mark>English

Abstract

We present measurements of asymmetries in angular distributions of leptons produced in tt¯ 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 ℓν (ℓ=e, μ) 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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© 2013 American Physical Society