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Observation of s-Channel Production of Single Top Quarks at the Tevatron
Baringer, Philip S. Bean, Alice Wilson, Graham Wallace Cremonesi, Matteo
Baringer, Philip S.
Bean, Alice
Wilson, Graham Wallace
Cremonesi, Matteo
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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
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2014-06-09
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American Physical Society
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Cremonesi, Matteo, Phillip S. Baringer, Alice Bean, and Graham Wallace Wilson. "Observation of S-Channel Single Top Quark Production at the Tevatron." Physical Review Letters 112.23 (2014). http://dx.doi.org/10.1103/PhysRevLett.112.231803