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The rapidity and transverse momentum spectra for identified hadrons incentral Au+Au collisions at $\sqrt{s_{NN}}= 200$ GeV are computed in a quarkcombination model. The data of rapidity distributions for $\pi^{\pm}$,$K^{\pm}$, $p(\bar{p})$ and net protons $(p-\bar{p})$ are well described. Wealso predict rapidity distributions for $K^{0}_{s}$, $\Lambda(\bar{\Lambda})$,$\mathrm{\Xi^{-}}$ ($\mathrm{\bar{\Xi}^{_+}}$) and$\mathrm{\Omega^{-}}+\mathrm{\bar{\Omega}}^{_+}$. The multiplicity ratios ofcharged antihadrons to hadrons as a function of rapidity are reproduced. Theresults for ${p}_{T}$ spectra of $\pi^{\pm}$, $K^{\pm}$, $p(\bar{p})$ and forthe $p/\pi$ ratios in a broader ${p}_{T}$ range agree well with the data.Finally the rapidity dependence of transverse momentum distributions forhadrons are given.Comment: 10 pages,11figures,3 table

Rapidity dependence of hadron p T spectra in central Au + Au collisions at √ s NN = 200 GeV

Rapidity dependence of hadron p _T spectra in central Au + Au collisions at √ s _NN = 200 GeV