We report evidence for s-channel single-top-quark production in proton-antiproton collisions at center-of-mass energy s√=1.96  TeV using a data set that corresponds to an integrated luminosity of 9.4  fb−1 collected by the Collider Detector at Fermilab. We select events consistent with the s-channel process including two jets and one leptonically decaying W boson. The observed significance is 3.8 standard deviations with respect to the background-only prediction. Assuming a top-quark mass of 172.5  GeV/c2, we measure the s-channel cross section to be 1.41+0.44−0.42  pb.

Evidence for s-channel Single-Top-Quark Production in Events with one Charged Lepton and two Jets at CDF

PAGLIARONE, Carmine Elvezio;
2014-01-01

Abstract

We report evidence for s-channel single-top-quark production in proton-antiproton collisions at center-of-mass energy s√=1.96  TeV using a data set that corresponds to an integrated luminosity of 9.4  fb−1 collected by the Collider Detector at Fermilab. We select events consistent with the s-channel process including two jets and one leptonically decaying W boson. The observed significance is 3.8 standard deviations with respect to the background-only prediction. Assuming a top-quark mass of 172.5  GeV/c2, we measure the s-channel cross section to be 1.41+0.44−0.42  pb.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11580/37036
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