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Measurement of the t(t)over-bar production cross section in p(p)over-bar collisions at root s=1.96 TeV using secondary vertex b tagging
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2006 (English)In: Physical Review D, ISSN 1550-7998, Vol. 74, no 11, 112004- p.Article in journal (Refereed) Published
Abstract [en]

We report a new measurement of the t (t) over bar production cross section in p (beta) over bar collisions at a center-of-mass energy of 1.96 TeV using events with one charged lepton (electron or muon), missing transverse energy, and jets. Using 425 pb(-1) of data collected using the D0 detector at the Fermilab Tevatron Collider, and enhancing the t (t) over bar content of the sample by tagging b jets with a secondary vertex tagging algorithm, the t (t) over bar production cross section is measured to be sigma(p (t) over bar -> t (t) over bar +X)=6.6 +/- 0.9(stat+syst) +/- 0.4(lum) pb. This cross section is the most precise D0 measurement to date for t (t) over bar production and is in good agreement with standard model expectations.

Place, publisher, year, edition, pages
2006. Vol. 74, no 11, 112004- p.
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Physical Sciences
URN: urn:nbn:se:kth:diva-37448DOI: 10.1103/PhysRevD.74.112004ISI: 000243170500010ScopusID: 2-s2.0-33845771189OAI: diva2:433895
Available from: 2011-08-11 Created: 2011-08-11 Last updated: 2012-02-02Bibliographically approved

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Gollub, NilsHansson, PerStrandberg, Jonas
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