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  • PhysRevLett.112.231803

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Observation of s-channel production of single top quarks at the Tevatron

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  • D0 Collaboration
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Article number231803
<mark>Journal publication date</mark>9/06/2014
<mark>Journal</mark>Physical Review Letters
Volume112
Number of pages11
StatePublished
Original languageEnglish

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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© 2014 American Physical Society