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Observation of s-channel production of single top quarks at the Tevatron
CDF Collaboration D0 Collaboration Wilson, Graham Wallace
CDF Collaboration
D0 Collaboration
Wilson, Graham Wallace
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Abstract
We report the first observation of single-top-quark production in the s channel through the combination of the CDF and D0 measurements of the cross section in proton-antiproton collisions at a center-of-mass energy of 1.96 TeV. The data correspond to total integrated luminosities of up to 9.7 fb-1 per experiment. The measured cross section is σs=1.29+0.26−0.24 pb. The probability of observing a statistical fluctuation of the background to a cross section of the observed size or larger is 1.8×10−10, corresponding to a significance of 6.3 standard deviations for the presence of an s-channel contribution to the production of single-top quarks.
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This is the published version. Copyright 2014 American Physical Society
Date
2014-02-20
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American Physical Society
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CDF Collaboration, and D0 Collaboration. "Observation of S-channel Production of Single Top Quarks at the Tevatron." Phys. Rev. Lett. (2014). http://arxiv.org/abs/1402.5126