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Measurement of the inclusive isolated prompt photon cross section in pp collisions at s=8TeV with the ATLAS detector

The ATLAS collaboration
•
Aad G.
•
Abbott B.
altro
Zwalinski L.
2016
  • journal article

Periodico
JOURNAL OF HIGH ENERGY PHYSICS
Abstract
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 s=8 TeV is presented. The measurement covers the pseudorapidity ranges |ηγ | < 1.37 and 1.56 ≤ |ηγ | < 2.37 in the transverse energy range 25 < ET γ < 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.
DOI
10.1007/JHEP08(2016)005
WOS
WOS:000381268400001
Archivio
http://hdl.handle.net/11390/1109738
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84981212709
Diritti
metadata only access
Scopus© citazioni
52
Data di acquisizione
Jun 7, 2022
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Web of Science© citazioni
53
Data di acquisizione
Mar 18, 2024
Visualizzazioni
1
Data di acquisizione
Apr 19, 2024
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