Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/102552
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Type: Journal article
Title: Measurement of the low-mass Drell-Yan differential cross section at √s = 7 TeV using the ATLAS detector
Other Titles: Measurement of the low-mass Drell-Yan differential cross section at roots= 7 TeV using the ATLAS detector
Author: The ATLAS Collaboration
Aad, G.
Citation: Journal of High Energy Physics, 2014; 1406(6):1-45
Publisher: Springer
Issue Date: 2014
ISSN: 1126-6708
1029-8479
Statement of
Responsibility: 
G. Aad … P. Jackson … L. Lee … A. Petridis … N. Soni ... M. White ... et al. (The ATLAS Collaboration)
Abstract: The differential cross section for the process Z/γ∗ → ℓℓ (ℓ = e, μ) as a function of dilepton invariant mass is measured in pp collisions at √s = 7 TeV at the LHC using the ATLAS detector. The measurement is performed in the e and μ channels for invariant masses between 26 GeV and 66 GeV using an integrated luminosity of 1.6 fb−1 collected in 2011 and these measurements are combined. The analysis is extended to invariant masses as low as 12 GeV in the muon channel using 35 pb−1 of data collected in 2010. The cross sections are determined within fiducial acceptance regions and corrections to extrapolate the measurements to the full kinematic range are provided. Next-to-next-to-leading-order QCD predictions provide a significantly better description of the results than next-to-leading-order QCD calculations, unless the latter are matched to a parton shower calculation.
Keywords: Hadron-Hadron scattering
Rights: © The Author(s) 2014. Open Access, Copyright CERN, for the benefit of the ATLAS Collaboration. Article funded by SCOAP3. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.
RMID: 0030013059
DOI: 10.1007/JHEP06(2014)112
Appears in Collections:Physics publications

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