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Multivariate searches for single top quark production with the D0 detector
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2007 (English)In: Physical Review D - Particles, Fields, Gravitation and Cosmology, ISSN 1550-7998, Vol. 75, no 9, 092007-1-092007-27 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, 092007-1-092007-27 p.
Keyword [en]
FERMILAB-TEVATRON, HADRON COLLIDERS, ROOT-S=1.96 TEV, PAIR PRODUCTION, CROSS-SECTION, COLLISIONS, DECAY, PHYSICS, EVENTS, QCD
National Category
Subatomic Physics
Identifiers
URN: urn:nbn:se:kth:diva-34411DOI: 10.1103/PhysRevD.75.092007ISI: 000246891300012Scopus ID: 2-s2.0-35548937918OAI: oai:DiVA.org:kth-34411DiVA: diva2:421053
Note
QC 20110607Available from: 2011-06-07 Created: 2011-06-07 Last updated: 2012-02-02Bibliographically approved

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Strandberg, Jonas

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Gollub, NilsStrandberg, Jonas
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