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    Rights statement: © 2007 The American Physical Society

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Evidence for production of single top quarks and first direct measurement of |V(tb)|.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Evidence for production of single top quarks and first direct measurement of |V(tb)|. / D0 Collaboration.
In: Physical review letters, Vol. 98, No. 18, 2007, p. 181802.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

D0 Collaboration 2007, 'Evidence for production of single top quarks and first direct measurement of |V(tb)|.', Physical review letters, vol. 98, no. 18, pp. 181802. https://doi.org/10.1103/PhysRevLett.98.181802

APA

D0 Collaboration (2007). Evidence for production of single top quarks and first direct measurement of |V(tb)|. Physical review letters, 98(18), 181802. https://doi.org/10.1103/PhysRevLett.98.181802

Vancouver

D0 Collaboration. Evidence for production of single top quarks and first direct measurement of |V(tb)|. Physical review letters. 2007;98(18):181802. doi: 10.1103/PhysRevLett.98.181802

Author

D0 Collaboration. / Evidence for production of single top quarks and first direct measurement of |V(tb)|. In: Physical review letters. 2007 ; Vol. 98, No. 18. pp. 181802.

Bibtex

@article{c5d7f479ef7847d7b9f06204884ec4c1,
title = "Evidence for production of single top quarks and first direct measurement of |V(tb)|.",
abstract = "The D0 Collaboration presents first evidence for the production of single top quarks at the Fermilab Tevatron p collider. Using a 0.9 fb-1 dataset, we apply a multivariate analysis to separate signal from background and measure (ptb+X,tqb+X)=4.9±1.4 pb. The probability to measure a cross section at this value or higher in the absence of a signal is 0.035%, corresponding to a 3.4 standard deviation significance. We use the cross section measurement to directly determine the Cabibbo-Kobayashi-Maskawa matrix element that describes the Wtb coupling and find 0.68<|Vtb|1 at 95% C.L. within the standard model.",
keywords = "electroweak theories, proton-proton inclusive interactions, quark production, standard model",
author = "Abazov, {V. M.} and Iain Bertram and Guennadi Borissov and Harald Fox and Peter Ratoff and Andre Sopczak and {D0 Collaboration}",
note = "{\textcopyright} 2007 The American Physical Society",
year = "2007",
doi = "10.1103/PhysRevLett.98.181802",
language = "English",
volume = "98",
pages = "181802",
journal = "Physical review letters",
issn = "1079-7114",
publisher = "American Physical Society",
number = "18",

}

RIS

TY - JOUR

T1 - Evidence for production of single top quarks and first direct measurement of |V(tb)|.

AU - Abazov, V. M.

AU - Bertram, Iain

AU - Borissov, Guennadi

AU - Fox, Harald

AU - Ratoff, Peter

AU - Sopczak, Andre

AU - D0 Collaboration

N1 - © 2007 The American Physical Society

PY - 2007

Y1 - 2007

N2 - The D0 Collaboration presents first evidence for the production of single top quarks at the Fermilab Tevatron p collider. Using a 0.9 fb-1 dataset, we apply a multivariate analysis to separate signal from background and measure (ptb+X,tqb+X)=4.9±1.4 pb. The probability to measure a cross section at this value or higher in the absence of a signal is 0.035%, corresponding to a 3.4 standard deviation significance. We use the cross section measurement to directly determine the Cabibbo-Kobayashi-Maskawa matrix element that describes the Wtb coupling and find 0.68<|Vtb|1 at 95% C.L. within the standard model.

AB - The D0 Collaboration presents first evidence for the production of single top quarks at the Fermilab Tevatron p collider. Using a 0.9 fb-1 dataset, we apply a multivariate analysis to separate signal from background and measure (ptb+X,tqb+X)=4.9±1.4 pb. The probability to measure a cross section at this value or higher in the absence of a signal is 0.035%, corresponding to a 3.4 standard deviation significance. We use the cross section measurement to directly determine the Cabibbo-Kobayashi-Maskawa matrix element that describes the Wtb coupling and find 0.68<|Vtb|1 at 95% C.L. within the standard model.

KW - electroweak theories

KW - proton-proton inclusive interactions

KW - quark production

KW - standard model

U2 - 10.1103/PhysRevLett.98.181802

DO - 10.1103/PhysRevLett.98.181802

M3 - Journal article

VL - 98

SP - 181802

JO - Physical review letters

JF - Physical review letters

SN - 1079-7114

IS - 18

ER -