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Investigation of suppression of Υ⁡ (nS) in relativistic heavy-ion collisions at √sNN= 200 GeV and 5.02 TeV

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The primary purpose of studying quarkonium production in relativistic heavy-ion collisions is to understand the properties of the quark-gluon plasma. At various collision systems, measurements of quarkonium states of different binding energies, such as Υ⁡(𝑛⁢𝑆), can provide comprehensive information....

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Hauptverfasser: Kim, Junlee (VerfasserIn) , Park, Jaebeom (VerfasserIn) , Hong, Byungsik (VerfasserIn) , Hong, Juhee (VerfasserIn) , Kim, Eun-Joo (VerfasserIn) , Kim, Yongsun (VerfasserIn) , Kweon, MinJung (VerfasserIn) , Lee, Su Houng (VerfasserIn) , Lim, Sanghoon (VerfasserIn) , Seo, Jinjoo (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 6 January, 2025
In: Physical review
Year: 2025, Jahrgang: 111, Pages: 1-8
ISSN:2469-9993
DOI:10.1103/PhysRevC.111.014902
Online-Zugang:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevC.111.014902
Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevC.111.014902
Volltext
Verfasserangaben:Junlee Kim, Jaebeom Park, Byungsik Hong, Juhee Hong, Eun-Joo Kim, Yongsun Kim, MinJung Kweon, Su Houng Lee, Sanghoon Lim, and Jinjoo Seo
Beschreibung
Zusammenfassung:The primary purpose of studying quarkonium production in relativistic heavy-ion collisions is to understand the properties of the quark-gluon plasma. At various collision systems, measurements of quarkonium states of different binding energies, such as Υ⁡(𝑛⁢𝑆), can provide comprehensive information. A model study has been performed to investigate the modification of Υ⁡(𝑛⁢𝑆) production in Pb-Pb collisions at √𝑠𝑁⁢𝑁=5.02TeV and Au-Au collisions at √𝑠𝑁⁢𝑁=200GeV. A Monte Carlo simulation study is performed with a publicly available hydrodynamic simulation package for the quark-gluon plasma medium and a theoretical calculation of the temperature-dependent thermal width of Υ⁡(𝑛⁢𝑆) considering the gluodissociation and inelastic parton scattering for dissociation inside the medium. In addition, we perform a systematic study with different descriptions of initial collision geometry and formation time of Υ⁡(𝑛⁢𝑆) to investigate their impacts on yield modification. The model calculation with a varied parameter set can describe the experimental data of Υ⁡(𝑛⁢𝑆) in Pb-Pb collisions at 5.02 TeV and Υ⁡(2⁢𝑆) in Au-Au collisions at 200 GeV but underestimates the modification of Υ⁡(1⁢𝑆) at the lower collision energy. The nuclear absorption mechanism is explored to understand the discrepancy between the data and simulation.
Beschreibung:Im Titel steht der Ausdruck "sNN" unter dem Wurzelsymbol
Gesehen am 04.08.2025
Beschreibung:Online Resource
ISSN:2469-9993
DOI:10.1103/PhysRevC.111.014902

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