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Search for Production of Single Top Quarks Via tcg and tug Flavor-Changing-Neutral-Current Couplings

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Search for Production of Single Top Quarks Via tcg and tug Flavor-Changing-Neutral-Current Couplings. / Abazov, V. M.; Bertram, Iain; Borissov, Guennadi et al.
In: Physical review letters, Vol. 99, 06.11.2007, p. 191802.

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@article{079a07f07273487ebe6a4f1d20520dbe,
title = "Search for Production of Single Top Quarks Via tcg and tug Flavor-Changing-Neutral-Current Couplings",
abstract = "We search for the production of single top quarks via flavor-changing-neutral-current couplings of a gluon to the top quark and a charm (c) or up (u) quark. We analyze 230 pb-1 of lepton+jets data from p collisions at a center of mass energy of 1.96 TeV collected by the D0 detector at the Fermilab Tevatron Collider. We observe no significant deviation from standard model predictions, and hence set upper limits on the anomalous coupling parameters / and /, where g define the strength of tcg and tug couplings, and defines the scale of new physics. The limits at 95% C.L. are /<0.15 TeV-1 and /<0.037 TeV-1.",
author = "Abazov, {V. M.} and Iain Bertram and Guennadi Borissov and Harald Fox and Peter Ratoff and Andre Sopczak",
year = "2007",
month = nov,
day = "6",
doi = "10.1103/PhysRevLett.99.191802",
language = "English",
volume = "99",
pages = "191802",
journal = "Physical review letters",
issn = "1079-7114",
publisher = "American Physical Society",

}

RIS

TY - JOUR

T1 - Search for Production of Single Top Quarks Via tcg and tug Flavor-Changing-Neutral-Current Couplings

AU - Abazov, V. M.

AU - Bertram, Iain

AU - Borissov, Guennadi

AU - Fox, Harald

AU - Ratoff, Peter

AU - Sopczak, Andre

PY - 2007/11/6

Y1 - 2007/11/6

N2 - We search for the production of single top quarks via flavor-changing-neutral-current couplings of a gluon to the top quark and a charm (c) or up (u) quark. We analyze 230 pb-1 of lepton+jets data from p collisions at a center of mass energy of 1.96 TeV collected by the D0 detector at the Fermilab Tevatron Collider. We observe no significant deviation from standard model predictions, and hence set upper limits on the anomalous coupling parameters / and /, where g define the strength of tcg and tug couplings, and defines the scale of new physics. The limits at 95% C.L. are /<0.15 TeV-1 and /<0.037 TeV-1.

AB - We search for the production of single top quarks via flavor-changing-neutral-current couplings of a gluon to the top quark and a charm (c) or up (u) quark. We analyze 230 pb-1 of lepton+jets data from p collisions at a center of mass energy of 1.96 TeV collected by the D0 detector at the Fermilab Tevatron Collider. We observe no significant deviation from standard model predictions, and hence set upper limits on the anomalous coupling parameters / and /, where g define the strength of tcg and tug couplings, and defines the scale of new physics. The limits at 95% C.L. are /<0.15 TeV-1 and /<0.037 TeV-1.

U2 - 10.1103/PhysRevLett.99.191802

DO - 10.1103/PhysRevLett.99.191802

M3 - Journal article

VL - 99

SP - 191802

JO - Physical review letters

JF - Physical review letters

SN - 1079-7114

ER -