Improved luminosity determination in pp collisions at √s = 7 TeV using the ATLAS detector at the LHC
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(Published Version)
Date
2013
Authors
The ATLAS Collaboration,
Aad, G.
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Journal article
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European Physical Journal C: Particles and Fields, 2013; 73(8):2518-1-2518-39
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G. Aad … P. Jackson … L. Lee … A. Petridis … N. Soni … M.J. White … et al. [ATLAS Collaboration]
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Abstract
The luminosity calibration for the ATLAS detector at the LHC during pp collisions at √ s = 7 TeV in 2010 and 2011 is presented. Evaluation of the luminosity scale is performed using several luminosity-sensitive detectors, and comparisons are made of the long-term stability and a√ccuracy of this calibration applied to the pp collisions at s = 7 TeV. A luminosity uncertainty of δL/L=±3.5 % is obtained for the 47 pb⁻¹ of data delivered to ATLAS in 2010, and an uncertainty of δL/L=±1.8 % is obtained for the 5.5 fb⁻¹ delivered in 2011.
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© CERN for the benefit of the ATLAS collaboration 2013. Open Access. This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited.