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Measurements of top quark pair relative differential cross-sections with ATLAS in pp collisions at root s=7 TeV
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
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2013 (English)In: European Physical Journal C, ISSN 1434-6044, E-ISSN 1434-6052, Vol. 73, no 1, 2261- p.Article in journal (Refereed) Published
Abstract [en]

Measurements are presented of differential cross-sections for top quark pair production in pp collisions at root s = 7 TeV relative to the total inclusive top quark pair production cross-section. A data sample of 2.05 fb(-1) recorded by the ATLAS detector at the Large Hadron Collider is used. Relative differential cross-sections are derived as a function of the invariant mass, the transverse momentum and the rapidity of the top quark pair system. Events are selected in the lepton (electron or muon) + jets channel. The background-subtracted differential distributions are corrected for detector effects, normalized to the total inclusive top quark pair production cross-section and compared to theoretical predictions. The measurement uncertainties range typically between 10 % and 20 % and are generally dominated by systematic effects. No significant deviations from the Standard Model expectations are observed.

Place, publisher, year, edition, pages
2013. Vol. 73, no 1, 2261- p.
Keyword [en]
Parton Distributions, P(P)Over-Bar Collisions, T(T)Over-Bar, Search, Jets
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-123813DOI: 10.1140/epjc/s10052-012-2261-1ISI: 000318288100002Scopus ID: 2-s2.0-84874477879OAI: oai:DiVA.org:kth-123813DiVA: diva2:630479
Funder
Swedish Research Council
Note

QC 20130619. Author count: 2875

Available from: 2013-06-19 Created: 2013-06-19 Last updated: 2017-12-06Bibliographically approved

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Strandberg, Jonas

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Jovicevic, JelenaKuwertz, EmmaLund-Jensen, BengtStrandberg, Jonas
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