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Measurement of isolated photon-hadron correlations in $\sqrt{s_{\rm{NN}}}$ = 5.02 TeV $pp$ and $p$-Pb collisions

The ALICE collaboration
Phys.Rev.C 102 (2020) 044908, 2020.

Abstract (data abstract)
This paper presents isolated photon--hadron correlations usingpp and p$-$Pb data collected by the ALICE detector at the LHC. For photons with $|\eta|<0.67$ and $12 < p_\mathrm{T} < 40$ GeV/$c$, the associated yield of charged particles in the range {$|\eta|<0.80$} and $0.5 < p_\mathrm{T} < 10$ 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.

  • Figure 4 zT Bin 0

    Data from Figure 4 Left panel, Page 14

    10.17182/hepdata.98564.v1/t1

    $\gamma^\mathrm{iso}$-hadron correlation functions for pp (red) and p$-$Pb (blue) data at $\sqrt{s_\mathrm{NN}}$ = 5.02 TeV as measured by the ALICE...

  • Figure 4 zT Bin 3

    Data from Figure 4 Middle panel, Page 14

    10.17182/hepdata.98564.v1/t2

    $\gamma^\mathrm{iso}$-hadron correlation functions for pp (red) and p$-$Pb (blue) data at $\sqrt{s_\mathrm{NN}}$ = 5.02 TeV as measured by the ALICE...

  • Figure 4 zT Bin 7

    Data from Figure 4 Right panel, Page 14

    10.17182/hepdata.98564.v1/t3

    $\gamma^\mathrm{iso}$-hadron correlation functions for pp (red) and p$-$Pb (blue) data at $\sqrt{s_\mathrm{NN}}$ = 5.02 TeV as measured by the ALICE...

  • Figure 5 Top Panel

    Data from Figure 5 Top Panel, Page 15

    10.17182/hepdata.98564.v1/t4

    $\gamma^\mathrm{iso}$-tagged fragmentation function for pp (red) and p$-$Pb data (blue) at $\sqrt{s_\mathrm{NN}}$ = 5.02 TeV as measured by the ALICE...

  • Figure 5 Bottom Panel

    Data from Figure 5, Bottom Panel, Page 15

    10.17182/hepdata.98564.v1/t5

    $\gamma^\mathrm{iso}$-tagged fragmentation function for pp (red) and p$-$Pb data (blue) at $\sqrt{s_\mathrm{NN}}$ = 5.02 TeV as measured by the ALICE...

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