CERN Accelerating science

ATLAS Note
Report number	ATL-PHYS-PROC-2013-126
Title	Photon production at the LHC
Author(s)	Lafaye, R (Annecy, LAPP)
Collaboration	for the ATLAS and CMS collaborations
Publication	2013
Imprint	15 May 2013
Number of pages	4
In:	48th Rencontres de Moriond on QCD and High Energy Interactions, La Thuile, Italy, 9 - 16 Mar 2013, pp.317
Subject category	Detectors and Experimental Techniques
Accelerator/Facility, Experiment	CERN LHC ; ATLAS CERN LHC ; CMS
Free keywords	Isolated ; Photon ; Jet ; Di-photon ; Production ; QCD ; QCD
Abstract	We review the last results on photon production at the LHC by the ATLAS and CMS experiments obtained in proton-proton collisions with a center of mass energy of 7 TeV in 2010 and 2011, corresponding to a maximum integrated luminosity of 5 fb−1. We compare the prompt photon and photon-jet differential cross-sections to theoretical predictions and discuss their impact on the parton distribution functions of the proton. Di-photon differential cross-sections are also presented as a function of the di-photon invariant mass, transverse momentum, azimuthal separation, and cos theta*.
Copyright/License	Preprint: (License: CC-BY-4.0)

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