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Measurement of the inclusive isolated prompt photon cross section in pp collisions at root s=8 TeV with the ATLAS detector
ATLAS Collaboration
2016
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
期号8页码:1
文章类型Article
摘要A measurement of the cross section for the inclusive production of isolated prompt photons in proton-proton collisions at a centre-of-mass energy of root s = 8 TeV is presented. The measurement covers the pseudorapidity ranges vertical bar eta(gamma)vertical bar < 1.37 and 1.56 aecurrency sign vertical bar eta(gamma)vertical bar < 2.37 in the transverse energy range 25 < E-T(gamma) < 1500 GeV. The results are based on an integrated luminosity of 20.2 fb(-1), recorded by the ATLAS detector at the LHC. Photon candidates are identified by combining information from the calorimeters and the inner tracker. The background is subtracted using a data-driven technique, based on the observed calorimeter shower-shape variables and the deposition of hadronic energy in a narrow cone around the photon candidate. The measured cross sections are compared with leading-order and next-to-leading order perturbative QCD calculations and are found to be in a good agreement over ten orders of magnitude.
关键词Hadron-Hadron scattering (experiments) Photon production proton-proton scattering
DOI10.1007/JHEP08(2016)005
关键词[WOS]PARTON DISTRIBUTIONS ; P(P)OVER-BAR COLLISIONS ; FRAGMENTATION FUNCTIONS ; LHC ; COLLIDER ; SCATTERING ; DYNAMICS ; PROTON ; HERA ; JET
语种英语
WOS记录号WOS:000381268400001
引用统计
被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/260903
专题实验物理中心
作者单位中国科学院高能物理研究所
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ATLAS Collaboration. Measurement of the inclusive isolated prompt photon cross section in pp collisions at root s=8 TeV with the ATLAS detector[J]. JOURNAL OF HIGH ENERGY PHYSICS,2016(8):1.
APA ATLAS Collaboration.(2016).Measurement of the inclusive isolated prompt photon cross section in pp collisions at root s=8 TeV with the ATLAS detector.JOURNAL OF HIGH ENERGY PHYSICS(8),1.
MLA ATLAS Collaboration."Measurement of the inclusive isolated prompt photon cross section in pp collisions at root s=8 TeV with the ATLAS detector".JOURNAL OF HIGH ENERGY PHYSICS .8(2016):1.
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