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Open AccessProceedings

Direct Photon Measurements with the ALICE Experiment at the LHC

by the ALICE Collaboration
SUBATECH, IMT Atlantique, Université de Nantes, CNRS-IN2P3 Nantes, France
Presented at Hot Quarks 2018—Workshop for Young Scientists on the Physics of Ultrarelativistic Nucleus-Nucleus Collisions, Texel, The Netherlands, 7–14 September 2018.
Proceedings 2019, 10(1), 1; https://doi.org/10.3390/proceedings2019010001
Published: 3 April 2019
In high-energy hadron collisions, direct photons can be produced in various processes and are of particular interest to study the hot QCD medium since they escape it without being affected. These proceedings present the latest ALICE experiment results concerning direct photon production in proton-proton (pp), proton-lead (p–Pb) and lead-lead (Pb–Pb) collisions. All measurements agree with pQCD calculations at high transverse momentum (pT) and show no direct photon excess at low pT in small systems while a low-pT signal is found in central Pb–Pb collisions.
Keywords: direct photons; thermal radiation; isolated photons; pQCD direct photons; thermal radiation; isolated photons; pQCD
MDPI and ACS Style

Masson, E., the ALICE Collaboration; Direct Photon Measurements with the ALICE Experiment at the LHC. Proceedings 2019, 10, 1.

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