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Persistent URL http://purl.org/net/epubs/work/66481
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Record Id 66481
Title Measurement of charged-particle event shape variables in inclusive root(s)=7 TeV proton-proton interactions with the ATLAS detector
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Abstract The measurement of charged-particle event shape variables is presented in inclusive inelastic pp collisions at a center-of-mass energy of 7 TeV using the ATLAS detector at the LHC. The observables studied are the transverse thrust, thrust minor, and transverse sphericity, each defined using the final-state charged particles' momentum components perpendicular to the beam direction. Events with at least six charged particles are selected by a minimum-bias trigger. In addition to the differential distributions, the evolution of each event shape variable as a function of the leading charged-particle transverse momentum, charged-particle multiplicity, and summed transverse momentum is presented. Predictions from several Monte Carlo models show significant deviations from data.
Organisation PPD , PPD-ATLAS , ATLAS , STFC
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Language English (EN)
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Journal Article Phys Rev D 88, no. 3 (2013): 032004. doi:10.1103/PhysRevD.88.032004 2013