Measurement of the inclusive isolated prompt photons cross section in pp collisions at √s =7 TeV with the ATLAS detector using 4.6 fb-1

ATLAS Collaboration

研究成果: Article同行評審

62 引文 斯高帕斯(Scopus)

摘要

A measurement of the cross section for the production of isolated prompt photons in pp collisions at a center-of-mass energy √s=7 TeV is presented. The results are based on an integrated luminosity of 4.6 fb-1 collected with the ATLAS detector at the LHC. The cross section is measured as a function of photon pseudorapidity ηγ and transverse energy ETγ in the kinematic range 100≤ETγ<1000 GeV and in the regions |ηγ|<1.37 and 1.52≤|ηγ|<2.37. The results are compared to leading-order parton-shower Monte Carlo models and next-to-leading-order perturbative QCD calculations. Next-to-leading-order perturbative QCD calculations agree well with the measured cross sections as a function of ETγ and ηγ.

原文English
文章編號052004
期刊Physical Review D - Particles, Fields, Gravitation and Cosmology
89
發行號5
DOIs
出版狀態Published - 2014 三月 24

All Science Journal Classification (ASJC) codes

  • 核能與高能物理
  • 物理與天文學(雜項)

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