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Title

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

CollaborationWith : Campanelli, Mario / Clark, Allan Geoffrey / Donega, Mauro / D'Onofrio, Monica / Lister, Alison / Liu, Yanwen / Wu, Xin
Published in Physical Review. D. 2005, vol. 72, no. 05, p. 052003
Abstract We present a measurement of the top pair production cross section in pp collisions at s√=1.96  TeV. We collect a data sample with an integrated luminosity of 194±11  pb−1 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±1.5  pb, where the first uncertainty is statistical and the second is systematic.
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CDF COLLABORATION. Measurement of the cross section for tt production in pp collisions using the kinematics of lepton + jets events. In: Physical Review. D, 2005, vol. 72, n° 05, p. 052003. https://archive-ouverte.unige.ch/unige:38313

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Deposited on : 2014-06-30

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