Charmonium production at SPS and FAIR energies
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
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2026
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| _version_ | 1866918529051131904 |
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| author | Song, Taesoo Zhao, Jiaxing Aichelin, Joerg Bratkovskaya, Elena |
| author_facet | Song, Taesoo Zhao, Jiaxing Aichelin, Joerg Bratkovskaya, Elena |
| contents | 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 GSI/FAIR energies, where we estimate charmonium production. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2605_29479 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Charmonium production at SPS and FAIR energies Song, Taesoo Zhao, Jiaxing Aichelin, Joerg Bratkovskaya, Elena High Energy Physics - Phenomenology 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 GSI/FAIR energies, where we estimate charmonium production. |
| title | Charmonium production at SPS and FAIR energies |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2605.29479 |