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Tevatron Combination of Single-Top-Quark Cross Sections and Determination of the Magnitude of the Cabibbo-Kobayashi-Maskawa Matrix Element Vtb

Aaltonen, T.
•
Abazov, V. M.
•
Abbott, B.
altro
Zucchelli, S.
2015
  • journal article

Periodico
PHYSICAL REVIEW LETTERS
Abstract
We present the final combination of CDF and D0 measurements of cross sections for single-top-quark production 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 t-channel cross section is measured to be sigma(t) = 2.25(-0.31)(+0.29) pb. We also present the combinations of the two-dimensional measurements of the s- vs t-channel cross section. In addition, we give the combination of the s + t channel cross section measurement resulting in sigma(s+t) = 3.30(-0.40)(+0.52) pb, without assuming the standard model value for the ratio sigma(s)/sigma(t). The resulting value of the magnitude of the top-to-bottom quark coupling is |V-tb| = 1.02(-0.05)(+0.06), corresponding to |V-tb| > 0.92 at the 95% C. L.
DOI
10.1103/PhysRevLett.115.152003
WOS
WOS:000362337400004
Archivio
http://hdl.handle.net/11390/1085292
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84944111646
http://harvest.aps.org/bagit/articles/10.1103/PhysRevLett.115.152003/apsxml
Diritti
open access
Soggetti
  • Physics and Astronomy...

Scopus© citazioni
37
Data di acquisizione
Jun 2, 2022
Vedi dettagli
Web of Science© citazioni
31
Data di acquisizione
Mar 25, 2024
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