Measurement of the tt¯ production cross section in pp¯ collisions at s=1.96TeV using secondary vertex b tagging

V. M. Abazov et al. (D0 Collaboration)
Phys. Rev. D 74, 112004 – Published 26 December 2006

Abstract

We report a new measurement of the tt¯ production cross section in pp¯ collisions at a center-of-mass energy of 1.96 TeV using events with one charged lepton (electron or muon), missing transverse energy, and jets. Using 425pb1 of data collected using the D0 detector at the Fermilab Tevatron Collider, and enhancing the tt¯ content of the sample by tagging b jets with a secondary vertex tagging algorithm, the tt¯ production cross section is measured to be σpp¯tt¯+X=6.6±0.9(stat+syst)±0.4(lum)pb. This cross section is the most precise D0 measurement to date for tt¯ production and is in good agreement with standard model expectations.

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  • Received 2 November 2006

DOI:https://doi.org/10.1103/PhysRevD.74.112004

©2006 American Physical Society

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Vol. 74, Iss. 11 — 1 December 2006

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