QCD physics in Atlas at the large hadron collider.

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The Large Hadron Collider (LHC) is a proton-proton collider with a 14 TeV center of mass energy. The design luminosity is 10{sup 34} cm{sup -1}s{sup -1} with beam collisions separated by 25 ns. The initial operation for physics will take place at a luminosity of 10{sup 33}cm{sup -1}s{sup -1} and it is expected that the integrated luminosity delivered in the first year will be 10 fb{sup -1}. This integrated luminosity will result in very large event samples for most processes, for example: {approx}10{sup 8} leptonic W decays, 10{sup 4} {gamma}'s with E{sub t} > 500GeV and 10{sup 4} jets with ... continued below

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Proudfoot, J. October 7, 2002.

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The Large Hadron Collider (LHC) is a proton-proton collider with a 14 TeV center of mass energy. The design luminosity is 10{sup 34} cm{sup -1}s{sup -1} with beam collisions separated by 25 ns. The initial operation for physics will take place at a luminosity of 10{sup 33}cm{sup -1}s{sup -1} and it is expected that the integrated luminosity delivered in the first year will be 10 fb{sup -1}. This integrated luminosity will result in very large event samples for most processes, for example: {approx}10{sup 8} leptonic W decays, 10{sup 4} {gamma}'s with E{sub t} > 500GeV and 10{sup 4} jets with E{sub t} > 1TeV. As a result of the high statistics event samples, the understanding of most QCD processes at 14TeV will be systematics limited after the first year of running. The Atlas detector [1] is a general purpose detector designed to be sensitive to the many physics processes which are expected at the LHC. It contains high performance tracking using silicon detectors and a transition radiation tracker in a 2 Tesla solenoidal magnetic field, a high resolution electromagnetic calorimeter based on lead-liquid argon, a hadron calorimeter based on steel-scintillator and Cu/W-liquid argon, and a large instrumented air-core toroid magnet system for muon measurement. The basic performance characteristics of these systems are given in Table 1.

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  • 31st International Conference on High Energy Physics, Amsterdam (NL), 07/24/2002--07/31/2002; Other Information: PBD: 7 Oct 2002

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  • Report No.: ANL/HEP/CP-108810
  • Report No.: ANL-HEP-CP-02-083
  • Grant Number: W-31-109-ENG-38
  • Office of Scientific & Technical Information Report Number: 803881
  • Archival Resource Key: ark:/67531/metadc741355

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  • October 7, 2002

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  • Oct. 19, 2015, 7:39 p.m.

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  • March 30, 2016, 6:06 p.m.

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Proudfoot, J. QCD physics in Atlas at the large hadron collider., article, October 7, 2002; Illinois. (digital.library.unt.edu/ark:/67531/metadc741355/: accessed August 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.