Measurement of the cross section for tt¯ production in pp¯ collisions using the kinematics of lepton+jets events

D. Acosta et al. (CDF Collaboration)
Phys. Rev. D 72, 052003 – Published 15 September 2005

Abstract

We present a measurement of the top pair production cross section in pp¯ collisions at s=1.96TeV. We collect a data sample with an integrated luminosity of 194±11pb1 with the CDF II detector at the Fermilab Tevatron. We use an artificial neural network technique to discriminate between top pair production and background processes in a sample of 519 lepton+jets events, which have one isolated energetic charged lepton, large missing transverse energy and at least three energetic jets. We measure the top pair production cross section to be σtt¯=6.6±1.1±1.5pb, where the first uncertainty is statistical and the second is systematic.

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  • Received 27 April 2005

DOI:https://doi.org/10.1103/PhysRevD.72.052003

©2005 American Physical Society

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Vol. 72, Iss. 5 — 1 September 2005

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