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Title

Measurement of the tt production cross section with an in situ calibration of b-jet identification efficiency

CollaborationWith : Clark, Allan Geoffrey / Garcia Navarro, Jose Enrique / Lister, Alison / Wu, Xin
Published in Physical Review. D. 2011, vol. 83, no. 07, p. 071102
Abstract A measurement of the top-quark pair-production cross section in pp collisions at s√=1.96  TeV using data corresponding to an integrated luminosity of 1.12  fb−1 collected with the Collider Detector at Fermilab is presented. Decays of top-quark pairs into the final states eν+ jets and μν+ jets are selected, and the cross section and the b-jet identification efficiency are determined using a new measurement technique which requires agreement between the measured cross sections with exactly one and with multiple identified b quarks from the top-quark decays. Assuming a top-quark mass of 175  GeV/c2, a cross section of 8.5±0.6(stat)±0.7(syst)pb is measured.
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CDF COLLABORATION. Measurement of the tt production cross section with an in situ calibration of b-jet identification efficiency. In: Physical Review. D, 2011, vol. 83, n° 07, p. 071102. https://archive-ouverte.unige.ch/unige:38680

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Deposited on : 2014-07-15

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