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Multivariate searches for single top quark production with the D0 detector

Abazov, VM; Abbott, B; Abolins, M; Acharya, BS; Adams, M; Adams, T; Agelou, M; ... Zverev, EG; + view all (2007) Multivariate searches for single top quark production with the D0 detector. PHYSICAL REVIEW D , 75 (9) , Article ARTN 092007. 10.1103/PhysRevD.75.092007. Green open access

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Abstract

We present a search for electroweak production of single top quarks in the s-channel (pp̅ →tb̅ +X) and t-channel (pp̅ →tqb̅ +X) modes. We have analyzed 230  pb-1 of data collected with the D0 detector at the Fermilab Tevatron Collider at a center-of-mass energy of √s=1.96  TeV. No evidence for a single top quark signal is found. We set 95% confidence level upper limits on the production cross sections, based on binned likelihoods formed from a neural network output. The observed (expected) limits are 6.4 pb (4.5 pb) in the s-channel and 5.0 pb (5.8 pb) in the t-channel.

Type: Article
Title: Multivariate searches for single top quark production with the D0 detector
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevD.75.092007
Publisher version: http://dx.doi.org/10.1103/PhysRevD.75.092007
Language: English
Additional information: © 2007 The American Physical Society
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > Div of Biosciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > Div of Biosciences > Cell and Developmental Biology
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy
URI: http://discovery.ucl.ac.uk/id/eprint/1374257
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