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Measurement of em>σ(pp→Z)⋅ B(Z→ττ) in pp collisions at s√=1.96  TeV

CollaborationWith : Campanelli, Mario / Clark, Allan Geoffrey / Donega, Mauro / Moed, Shulamit / Sfyrla, Anna / Vallecorsa, Sofia / Wu, Xin
Published in Physical Review. D. 2007, vol. 75, no. 09, p. 092004
Abstract We present a measurement of the inclusive production cross section for Z bosons decaying to tau leptons in pp collisions at s√=1.96  TeV. We use a channel with one hadronically-decaying and one electronically-decaying tau. This measurement is based on 350  pb−1 of CDF Run II data. Using a sample of 504 opposite sign eτ events with a total expected background of 190 events, we obtain σ(pp→4Z)⋅B(Z→ττ)=264±23(stat)±14(syst)±15(lumi)  pb, in agreement with the next-to-next-to-leading order QCD prediction. This is the first CDF cross section measurement using hadronically-decaying taus in Run II.
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CDF COLLABORATION. Measurement of em>σ(pp→Z)⋅ B(Z→ττ) in pp collisions at s√=1.96  TeV. In: Physical Review. D, 2007, vol. 75, n° 09, p. 092004. https://archive-ouverte.unige.ch/unige:38444

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Deposited on : 2014-07-03

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