PoS - Proceedings of Science
Volume 282 - 38th International Conference on High Energy Physics (ICHEP2016) - Strong Interactions and Hadron Physics
Prompt photons at hadron colliders
A. Lucà* on behalf of the ATLAS and CDF collaboration
*corresponding author
Full text: pdf
Pre-published on: February 06, 2017
Published on: April 19, 2017
Abstract
\title{Prompt photons at hadron colliders}

The production of prompt isolated photons at hadron colliders provides a stringent test of perturbative Quantum Chromodynamics (pQCD), and can be used to probe parton distribution functions (PDFs) and the parton-to-photon fragmentation functions (FFs).
The ATLAS collaboration has performed the measurement of the inclusive production of isolated prompt photons in 20.2 fb$^{-1}$ of data collected at a center-of-mass energy of 8 TeV, differential in both pseudorapidity and the photon transverse momentum.
The CDF collaboration has performed the measurement of the cross section for the inclusive production of isolated prompt photons in proton-antiproton collisions at center-of-mass energy $\sqrt{s}$ = 1.96 TeV, using the full Run II data sample which corresponds to an integrated luminosity of 9.5 fb$^{-1}$. The cross section is measured as a function of photon transverse energy in the pseudorapidity region $|\eta^{\gamma}|<$ 1.0.
The results are compared with predictions from parton-shower Monte Carlo models at leading order in quantum chromodynamics (QCD) and from next-to-leading order perturbative QCD calculations.
DOI: https://doi.org/10.22323/1.282.0597
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