Open and hidden strangeness with kaons and $\varphi$-mesons in Bjorken energy density approach for central A+A collisions from SPS to LHC
arXiv (Cornell University)（2023）
摘要
We use the available data on $$ and $<\it{p}_T>$ for the identified hadrons including $\pi^{+}+\pi^{-}$, $K^{+}+K^{-}$, $p+\overline{p}$, $K^*(892)^0$ and $\varphi$-mesons, registered at midrapidity ($\vert y\vert < 0.5)$ in central 0-5% Au-Au, Pb-Pb and Xe+Xe collisions in a broad range of energies in order to compare the relative contributions to the Bjorken energy density. Particles, like strangeness-neutral $\varphi$-meson (a system of $s\overline{s})$ quarks) and K-meson (containing single s-quark), are of specific interest because they might have different production mechanisms and differ in sensitivity to the properties of the QGP-medium formed in relativistic heavy-ion collisions.
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关键词
lhc,kaons,energy density approach
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