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Measurements of the electron and muon inclusive cross-sections in proton-proton collisions at sqrt(s) = 7 TeV with the ATLAS detector
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.ORCID iD: 0000-0002-8913-0981
Duke Univ, Dept Phys, Durham, NC 27706 USA.
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2012 (English)In: Physics Letters B, ISSN 0370-2693, Vol. 707, no 5, 438-458 p.Article in journal (Refereed) Published
Abstract [en]

This Letter presents measurements of the differential cross-sections for inclusive electron and muonproduction in proton–proton collisions at a centre-of-mass energy of√s = 7 TeV, using data collectedby the ATLAS detector at the LHC. The muon cross-section is measured as a function of pT in the range4 < pT < 100 GeV and within pseudorapidity |η| < 2.5. In addition the electron and muon cross-sectionsare measured in the range 7 < pT < 26 GeV and within |η| < 2.0, excluding 1.37 < |η| < 1.52. Integratedluminosities of 1.3 pb−1and 1.4 pb−1are used for the electron and muon measurements, respectively.After subtraction of the W/Z/γ∗contribution, the differential cross-sections are found to be in goodagreement with theoretical predictions for heavy-flavour production obtained from Fixed Order NLOcalculations with NLL high-pT resummation, and to be sensitive to the effects of NLL resummation.

Place, publisher, year, edition, pages
2012. Vol. 707, no 5, 438-458 p.
Keyword [en]
QCD, Heavy Flavour Productio
National Category
Subatomic Physics
URN: urn:nbn:se:kth:diva-84551DOI: 10.1016/j.physletb.2011.12.054ISI: 000300211000003ScopusID: 2-s2.0-84856018966OAI: diva2:499463

QC 20120214

Available from: 2012-02-13 Created: 2012-02-13 Last updated: 2014-12-05Bibliographically approved

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Lund-Jensen, BengtStrandberg, JonasLafaye, Remi
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