PoS - Proceedings of Science
Volume 311 - Critical Point and Onset of Deconfinement (CPOD2017) - Parallel Session III
Production of DS meson in Au+Au collision at √sNN = 200 GeV
M. Nasim*  on behalf of the STAR collaboration
Full text: pdf
Pre-published on: January 16, 2018
Published on: January 22, 2018
Abstract
We present the invariant yield and elliptic flow of D$_{\rm_{S}}$ as a function of
transverse momentum in Au+Au collisions at $\sqrt{s_{\rm{NN}}}$ = 200 GeV. The nuclear modification factors of D$_{\rm_{S}}$ are found to be systematically higher than those of K$^{0}_{\rm_{S}}$ . The ratio between the yields of strange and non-strange open charm mesons is shown. We find that such a ratio in 0-40$\%$ central Au+Au collisions is higher than the fragmentation baseline. Our measurement indicates a substantial enhancement of D$_{\rm_{S}}$ production in Au+Au collisions with respect to p+p collisions as compared to non-strange D mesons. The elliptic flow of D$_{\rm_{S}}$ is also measured and compared to that of D$^{0}$ as well as model calculations.
DOI: https://doi.org/10.22323/1.311.0089
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