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Observation of s-Channel Production of Single Top Quarks at the Tevatron
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2014 (English)In: Physical Review Letters, ISSN 0031-9007, Vol. 112, no 23Article in journal (Refereed) Published
Abstract [en]

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 sigma(s) = 1.29(-0.24)(+0.26) pb. The probability of observing a statistical fluctuation of the background to a cross section of the observed size or larger is 1.8 x 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.

Place, publisher, year, edition, pages
2014. Vol. 112, no 23
National Category
Subatomic Physics
URN: urn:nbn:se:uu:diva-228454DOI: 10.1103/PhysRevLett.112.231803ISI: 000336981200004OAI: oai:DiVA.org:uu-228454DiVA: diva2:734300
Available from: 2014-07-16 Created: 2014-07-15 Last updated: 2014-07-16Bibliographically approved

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Buszello, Claus P.
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High Energy Physics
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