Beam Energy Dependence of Strange Hadron Production from STAR at RHIC

14th International Conference on Strangeness in Quark Matter

Zhao, Feng^1

University of California, Knudsen Hall 5-117, 475 Portola Plaza, Los Angeles, CA 90095, United States^1

关键词: Au+Au collisions;    Baryon yields;    Beam energies;    Hadron production;    Nuclear modification factors;    Star measurements;    Statistical-thermal models;    Strangeness enhancement;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/509/1/012085/pdf
DOI  :  10.1088/1742-6596/509/1/012085

来源: IOP

【 摘 要 】

We report the STAR measurements of Ks, Λ, Ξ, and Ω at mid-rapidity from Au+Au collisions at the beam energies of 7.7, 11.5, 19.6, 27 and 39 GeV per nucleon from the RHIC Beam Energy Scan (BES) program. Nuclear modification factors and ratios of baryon to meson yields are discussed. We also investigate the strangeness enhancement and ratios of anti-baryon to baryon yields as a function of beam energy at RHIC, and compare the results with the statistical thermal model.