Measurement of isolated-prompt photon$-$hadron correlations in Pb$-$Pb collisions at $\mathbf{\sqrt{\textit{s}_{\rm NN}} = 5.02}$ TeV

CERN-LHC. The ALICE Collaboration at the CERN LHC has measured the isolated-prompt photon$-$hadron correlations at midrapidity as a function of $\Delta\varphi$ and $z_{\mathrm{T}} = p_\mathrm{T}^{h}/p_\mathrm{T}^{\gamma}$, in Pb$-$Pb collisions in different centrality intervals at centre-of-mass energy per nucleon pair of $\sqrt{s_{\mathrm{NN}}}=5.02~\mathrm{TeV}$. The photon transverse momentum range is between 18$-$40 GeV/$c$. The Pb$-$Pb collision data are divided in the centrality classes 0$-$30%, 30$-$50% and 50$-$90%. The covered pseudorapidity range is $|\eta^{\gamma}| <0.67$. The isolation selection is based on a charged particle isolation momentum threshold $p_\mathrm{T}^{\mathrm{iso,~ch}} = 1.5$ GeV/$c$ within a cone of radii $R=0.2$. The correlated hadrons have a pseudorapidity range of $|\eta^{\mathrm{h}}| <0.9$ and a transverse momentum $p_{\mathrm{T}}^{\mathrm{h}}>1.8~\mathrm{GeV}/c$. The correlated hadrons are integrated over $|\Delta\varphi|>3/5\pi$ rad to extract the $D(z_{\rm{T}})$ distribution.

Authors

Publication Details

Journal
arXiv (Cornell University)
Published
2026-08-19
DOI
https://doi.org/10.17182/hepdata.182373
Primary Topic
High-Energy Particle Collisions Research
Type
preprint

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preprint

Measurement of isolated-prompt photon$-$hadron correlations in Pb$-$Pb collisions at $\mathbf{\sqrt{\textit{s}_{\rm NN}} = 5.02}$ TeV

ALICE Collaboration
arXiv (Cornell University)
High-Energy Particle Collisions Research
preprint

Measurement of isolated-prompt photon$-$hadron correlations in Pb$-$Pb collisions at $\mathbf{\sqrt{\textit{s}_{\rm NN}} = 5.02}$ TeV

ALICE Collaboration
preprint en

Abstract

CERN-LHC. The ALICE Collaboration at the CERN LHC has measured the isolated-prompt photon$-$hadron correlations at midrapidity as a function of $\Delta\varphi$ and $z_{\mathrm{T}} = p_\mathrm{T}^{h}/p_\mathrm{T}^{\gamma}$, in Pb$-$Pb collisions in different centrality intervals at centre-of-mass energy per nucleon pair of $\sqrt{s_{\mathrm{NN}}}=5.02~\mathrm{TeV}$. The photon transverse momentum range is between 18$-$40 GeV/$c$. The Pb$-$Pb collision data are divided in the centrality classes 0$-$30%, 30$-$50% and 50$-$90%. The covered pseudorapidity range is $|\eta^{\gamma}| <0.67$. The isolation selection is based on a charged particle isolation momentum threshold $p_\mathrm{T}^{\mathrm{iso,~ch}} = 1.5$ GeV/$c$ within a cone of radii $R=0.2$. The correlated hadrons have a pseudorapidity range of $|\eta^{\mathrm{h}}| <0.9$ and a transverse momentum $p_{\mathrm{T}}^{\mathrm{h}}>1.8~\mathrm{GeV}/c$. The correlated hadrons are integrated over $|\Delta\varphi|>3/5\pi$ rad to extract the $D(z_{\rm{T}})$ distribution.

arXiv (Cornell University)
Villum Fonden, CERN, Badan Riset dan Inovasi Nasional, National Research Foundation, Department of Science and Technology, Ministry of Science and Technology, India, Council of Scientific and Industrial Research, India, University Grants Commission, Ministry of Education, Culture, Sports, Science and Technology, Danmarks Grundforskningsfond, Fundação de Amparo à Pesquisa do Estado de São Paulo, National Natural Science Foundation of China, Österreichischen Akademie der Wissenschaften, Ministry of Education of the People's Republic of China, Austrian Science Fund, Consejo Nacional de Ciencia y Tecnología, Hrvatska Zaklada za Znanost, Centre National de la Recherche Scientifique, Financiadora de Estudos e Projetos, Danmarks Frie Forskningsfond, Central China Normal University, State Committee of Science, Fondo de Cooperación Internacional en Ciencia y Tecnología, Istituto Nazionale di Fisica Nucleare, Centro de Aplicaciones Tecnológicas y Desarrollo Nuclear, Japan Society for the Promotion of Science, GSI Helmholtzzentrum für Schwerionenforschung, Institut National de Physique Nucléaire et de Physique des Particules, National Research, Development and Innovation Office
High-Energy Particle Collisions Research
DOIOpen Access PDFOpenAlex
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