DOAJ Open Access 2025

Determining the duration of the hadronic stage at RHIC-BES energies via resonance suppression using a full set of rate equations

Tim Neidig Apiwit Kittiratpattana Tom Reichert Amine Chabane Carsten Greiner +1 lainnya

Abstrak

We present realistic estimates for the duration of the hadronic stage in central Au+Au reactions in the RHIC-BES energy regime. To this aim, we employ a full set of coupled rate equations to describe the time evolution of the system from chemical to kinetic freeze-out. Combined with the recently measured data by the STAR collaboration on K⁎/K ratios, we show that the previous estimates substantially underestimated the duration of this stage due to the omission of the regeneration of hadron resonances. We provide an improved relation between the K⁎/K ratio at chemical and kinetic freeze-out and the life time of the hadronic phase. The calculated improved life times are now in line with estimates from other methods and are relevant for the NA61 and STAR collaborations and for upcoming experiments at the FAIR facility.

Topik & Kata Kunci

Physics

Penulis (6)

Tim Neidig

Apiwit Kittiratpattana

Tom Reichert

Amine Chabane

Carsten Greiner

Marcus Bleicher

Format Sitasi

APA MLA BibTeX

Neidig, T., Kittiratpattana, A., Reichert, T., Chabane, A., Greiner, C., Bleicher, M. (2025). Determining the duration of the hadronic stage at RHIC-BES energies via resonance suppression using a full set of rate equations. https://doi.org/10.1016/j.physletb.2025.139339

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Informasi Jurnal

Tahun Terbit: 2025
Sumber Database: DOAJ
DOI: 10.1016/j.physletb.2025.139339
Akses: Open Access ✓