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Spectra and azimuthal harmonic of charmed mesons in Pb+Pb collisions at energies available at the CERN Large Hadron Collider

Jingzong Zhang1, Huanjing Gong1, Hua Zheng2,*, Wei Dai3, and Lilin Zhu1,†

  • *Contact author: zhengh@snnu.edu.cn
  • †Contact author: zhulilin@scu.edu.cn
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Phys. Rev. C 112, 024906 – Published 19 August, 2025

DOI: https://doi.org/10.1103/9z4w-prjh

Abstract

Using the recombination model extended to the heavy flavor scenario, we investigate the production of charmed mesons, i.e., D0, Ds+, and J/ψ, in Pb+Pb collisions at sNN=2.76 and 5.02 TeV at the CERN Large Hadron Collider including the heavy flavor energy loss inside the hot and dense medium. Soft, semihard, and hard partons all play important roles in our model and are uniformly treated for all mesons produced. The resulting transverse momentum spectra and the second azimuthal harmonic v2 for these mesons are presented and compared with the available experimental data. The good agreement provides strong support again that the quark recombination mechanism is an effective model for hadronization in relativistic heavy-ion collisions.

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Phys. Rev. C 112, 024906– Published 19 August, 2025
  • Received 14 January 2025
  • Revised 25 May 2025
  • Accepted 24 July 2025
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