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PreprintCC BY 4.0arXiv

Charmonium production at SPS and FAIR energies

  • Taesoo Song
  • Jiaxing Zhao
  • Joerg Aichelin
  • Elena Bratkovskaya
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Abstract

In this study we apply the Remler formalism to charmonium production at SPS and GSI/FAIR energies in order to investigate the effects of baryon-rich matter on charmonium production and dissociation in heavy-ion collisions within the Parton-Hadron-String Dynamics (PHSD). As a first step the Remler formalism is tested in p+p collisions and then applied to p+A collisions in order to extract the nuclear absorption cross section of charmonium, which is then utilized in heavy-ion collisions. We find that the Remler formalism successfully describes charmonium production in heavy-ion collisions at SPS energies when an in-medium heavy quark potential is implemented, in which J/ψ dissociates near Tc. Finally the same formalism is applied to the low CERN/SPS energy and GSI/FAIR energies, where we estimate charmonium production.

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Cite

BibTeXRIS
BibTeX
@misc{song2026charmonium,
  title = {{Charmonium production at SPS and FAIR energies}},
  author = {Taesoo Song and Jiaxing Zhao and Joerg Aichelin and Elena Bratkovskaya},
  howpublished = {arXiv},
  year = {2026},
  month = oct,
  doi = {10.48550/arxiv.2605.29479},
  eprint = {2605.29479},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2605.29479},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - Charmonium production at SPS and FAIR energies
AU  - Taesoo Song
AU  - Jiaxing Zhao
AU  - Joerg Aichelin
AU  - Elena Bratkovskaya
PY  - 2026
DA  - 2026/10/22
PB  - arXiv
DO  - 10.48550/arxiv.2605.29479
UR  - https://arxiv.org/abs/2605.29479
AB  - In this study we apply the Remler formalism to charmonium production at SPS and GSI/FAIR energies in order to investigate the effects of baryon-rich matter on charmonium production and dissociation in heavy-ion collisions within the Parton-Hadron-String Dynamics (PHSD). As a first step the Remler formalism is tested in p+p collisions and then applied to p+A collisions in order to extract the nuclear absorption cross section of charmonium, which is then utilized in heavy-ion collisions. We find that the Remler formalism successfully describes charmonium production in heavy-ion collisions at SPS energies when an in-medium heavy quark potential is implemented, in which J/ψ dissociates near T_c. Finally the same formalism is applied to the low CERN/SPS energy and GSI/FAIR energies, where we estimate charmonium production.
ER  -