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Multivariate searches for single top quark production with the D0 detector
Uppsala University.
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2007 (English)In: Physical Review D. Particles and fields, ISSN 0556-2821, E-ISSN 1089-4918, Vol. 75, no 9, 092007- p.Article in journal (Refereed) Published
Abstract [en]

We present a search for electroweak production of single top quarks in the s-channel (p (p) over bar -> t (b) over bar +X) and t-channel (p (p) over bar -> tq (b) over bar +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 root 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.

Place, publisher, year, edition, pages
2007. Vol. 75, no 9, 092007- p.
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-148111DOI: 10.1103/PhysRevD.75.092007ISI: 000246891300012OAI: oai:DiVA.org:uu-148111DiVA: diva2:401290
D0 Collaboration, for complete list of authors see article Available from: 2011-03-02 Created: 2011-03-02Bibliographically approved

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