Dilepton emission in heavy ion collisions and chemical equilibrium of QCD matter

We study thermal dilepton production and anisotropic flow in Pb+Pb collisions at √ s NN = 5.02 TeV using next-to-leading-order (NLO) thermal QCD dilepton emission rates. A hybrid model (IP-Glasma+KøMPøST +MUSIC+UrQMD) simulates the collision evolution. The role of the pre-equilibrium stage in dilepton observables is examined. We also explore how chemical equilibrium in QCD matter affect dilepton observables.

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Publication Details

Journal
EPJ Web of Conferences
Published
2025-01-01
DOI
https://doi.org/10.1051/epjconf/202533905006
Primary Topic
High-Energy Particle Collisions Research
Type
article
Field-Weighted Citation Impact
0.00

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article

Dilepton emission in heavy ion collisions and chemical equilibrium of QCD matter

Charles Gale, Sangyong Jeon, Lipei Du, Xiang-Yu Wu
EPJ Web of Conferences
High-Energy Particle Collisions Research
article

Dilepton emission in heavy ion collisions and chemical equilibrium of QCD matter

Charles Gale, Sangyong Jeon, Lipei Du, Xiang-Yu Wu
article en

Abstract

We study thermal dilepton production and anisotropic flow in Pb+Pb collisions at √ s NN = 5.02 TeV using next-to-leading-order (NLO) thermal QCD dilepton emission rates. A hybrid model (IP-Glasma+KøMPøST +MUSIC+UrQMD) simulates the collision evolution. The role of the pre-equilibrium stage in dilepton observables is examined. We also explore how chemical equilibrium in QCD matter affect dilepton observables.

EPJ Web of ConferencesVol. 339
Lawrence Berkeley National Laboratory (US), McGill University (CA)
National Science Foundation, McGill University, Ministère de l'Économie, de la Science et de l'Innovation - Québec, Alliance de recherche numérique du Canada, Natural Sciences and Engineering Research Council of Canada
Openalex Percentile: Top 85%
High-Energy Particle Collisions Research
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