Improved luminosity determination in pp collisions at √s =7 TeV using the ATLAS detector at the LHC

The ATLAS Collaboration

Research output: Contribution to journalArticle

247 Citations (Scopus)

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 accuracy 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.

Original languageEnglish
Article number2518
Pages (from-to)2-39
Number of pages38
JournalEuropean Physical Journal C
Volume73
Issue number8
DOIs
Publication statusPublished - Aug 14 2013
Externally publishedYes

Fingerprint

Luminance
luminosity
Detectors
collisions
detectors
Calibration
evaluation
Uncertainty

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)
  • Engineering (miscellaneous)

Cite this

Improved luminosity determination in pp collisions at √s =7 TeV using the ATLAS detector at the LHC. / The ATLAS Collaboration.

In: European Physical Journal C, Vol. 73, No. 8, 2518, 14.08.2013, p. 2-39.

Research output: Contribution to journalArticle

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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 accuracy 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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AU - Aad, G.

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AU - Abdallah, J.

AU - Khalek, S. Abdel

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AU - Ahmad, A.

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AB - 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 accuracy 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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