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Observation of Electroweak Single Top-Quark Production

Aaltonen T.
•
Adelman J.
•
Akimoto T.
altro
Zucchelli S.
2009
  • journal article

Periodico
PHYSICAL REVIEW LETTERS
Abstract
We report the observation of single top-quark production using 3.2 fb(-1) of pp collision data with s=1.96 TeV collected by the Collider Detector at Fermilab. The significance of the observed data is 5.0 standard deviations, and the expected sensitivity for standard model production and decay is in excess of 5.9 standard deviations. Assuming m(t)=175 GeV/c(2), we measure a cross section of 2.3(-0.5)(+0.6)(stat+syst) pb, extract the CKM matrix-element value |V(tb)|=0.91 +/- 0.11(stat+syst)+/- 0.07(theory), and set the limit |V(tb)|> 0.71 at the 95% C.L.
DOI
10.1103/PhysRevLett.103.092002
WOS
WOS:000269718500022
Archivio
http://hdl.handle.net/11390/879528
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-69249147347
Diritti
closed access
Scopus© citazioni
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Data di acquisizione
Jun 7, 2022
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Web of Science© citazioni
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Mar 24, 2024
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Data di acquisizione
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