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First Measurement of W Boson Production in Association with a Single Charm Quark in pp Collisions at s√=1.96  TeV

CollaborationWith : Clark, Allan Geoffrey / Hamilton, Andrew / Lefevre, Régis / Sfyrla, Anna / Shreyber, Irina / Vallecorsa, Sofia / Wu, Xin
Published in Physical Review Letters. 2008, vol. 100, no. 09, p. 091803
Abstract We present the first measurement of the production cross section of a W boson with a single charm quark (c) in pp collisions at s√=1.96  TeV, using soft muon tagging of c jets. In a data sample of ∼1.8  fb−1, recorded with the Collider Detector at Fermilab II detector at the Fermilab Tevatron, we select events with W+1 or 2 jets. We use the charge correlation between the W and the muon from the semileptonic decay of a charm hadron to extract the Wc signal. We measure σWc(pTc>20  GeV/c,|ηc|<1.5)×BR(W→ℓν)=9.8±3.2  pb, in agreement with theoretical expectations.
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CDF COLLABORATION. First Measurement of W Boson Production in Association with a Single Charm Quark in pp Collisions at s√=1.96  TeV. In: Physical Review Letters, 2008, vol. 100, n° 09, p. 091803. https://archive-ouverte.unige.ch/unige:38489

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Deposited on : 2014-07-07

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