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More uses for thermal models

delete2026-05-20
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N
N. Sharma *
L
L. Kumar
S
Sourendu Gupta
DOI:10.1140/epjc/s10052-026-15759-0delete
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摘要

摘要

En 中文
我们探索可用于无参数方式检验热模型的粒子与反粒子产额组合,同时探索可用于提取$$\mu _B/T$$、$$\mu _S/T$$和$$\mu _Q/T$$的组合。我们使用实验测量的质子p、Λ超子和Ξ重子的粒子-反粒子特定比,在$$\sqrt{s_{NN}}=$$ 7.7–39 GeV的RHIC BES第一阶段中提取$$\mu _{B,S,Q}/T$$。这些结果与已发表的STAR冻结参数吻合良好。这些组合被验证可用于预测Ω产额的相似组合。我们还扩展此方法以预测在未测量能量的(反)核子产额。此外,我们更新了冻结参数T和$$\mu _B$$对$$\sqrt{s_{NN}}$$依赖性的参数化,并首次给出了$$\mu _S$$的类似参数化。
Keyword:
thermal models
particle-antiparticle ratios
freeze-out parameters
chemical potentials
RHIC BES phase-1
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