This paper presents isolated photon-hadron correlations using pp and p-Pb data collected by the ALICE detector at the LHC. For photons with |η|<0.67 and 12<40 GeV/c, the associated yield of charged particles in the range |η|<0.80 and 0.5<10 GeV/c is presented. These momenta are much lower than previous measurements at the LHC. No significant difference between pp and p-Pb is observed, with Pythia 8.2 describing both data sets within uncertainties. This measurement constrains nuclear effects on the parton fragmentation in p-Pb collisions, and provides a benchmark for future studies of Pb-Pb collisions.

Measurement of isolated photon-hadron correlations in sNN = 5.02 TeV pp and p-Pb collisions / Acharya, S; Adamova, D.; Adolfson, J; Aggarwal, M.; Rinella, G.; Agnello, M.; Agrawal, N; Bufalino, S.; Concas, M.; Grosa, F.; Catalano, F.; Fecchio, P.; Balbino, A.. - In: PHYSICAL REVIEW C. - ISSN 2469-9985. - STAMPA. - 102:4(2020). [10.1103/PhysRevC.102.044908]

Measurement of isolated photon-hadron correlations in sNN = 5.02 TeV pp and p-Pb collisions

Agnello, M.;Bufalino, S.;Concas, M.;Grosa, F.;Catalano, F.;Fecchio, P.;Balbino, A.
2020

Abstract

This paper presents isolated photon-hadron correlations using pp and p-Pb data collected by the ALICE detector at the LHC. For photons with |η|<0.67 and 12<40 GeV/c, the associated yield of charged particles in the range |η|<0.80 and 0.5<10 GeV/c is presented. These momenta are much lower than previous measurements at the LHC. No significant difference between pp and p-Pb is observed, with Pythia 8.2 describing both data sets within uncertainties. This measurement constrains nuclear effects on the parton fragmentation in p-Pb collisions, and provides a benchmark for future studies of Pb-Pb collisions.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11583/2895233