Measurement of $Δ$ and $K^{*}$ Production in $d$+Au collisions at $\sqrt{s_{NN}}$ = 200 GeV

Details Measurement of $Δ$ and $K^{*}$ Production in $d$+Au collisions at $\sqrt{s_{NN}}$ = 200 GeV Measurement of $Δ$ and $K^{*}$ Production in $d$+Au collisions at $\sqrt{s_{NN}}$ = 200 GeV

2005-10-11

arxiv.org/abs/nucl-ex/0510033v1

Rom.Rep.Phys. 58 (2006) 075-080

Physics

Nuclear Physics

Nuclear Experiment

5 pages, 9 figures, proceeding (poster) of the 18th International Conference on Nucleus-Nucleus Collisions (QM2005), Aug.4-9,

Scientific paper

The measurements of the transverse momentum spectra and the invariant mass distributions of $\Delta(1232)$ $\to \pi p$, $K^{*}(892)\to \pi K$ resonances in $d$+Au collisions at $\sqrt{s_{NN}}$ = 200 GeV using the STAR Time Projection Chamber (TPC) at RHIC are presented. The in-medium modification of the $\Delta$ and $K^{*}$ mass and width has been studied as a function of transverse momentum ($p_T$). The particle ratios $K^{*}/K$, $\Delta/p$ and the average transverse momentum ($$) as a function of different collision centrality has been reported. The nuclear modification factors ($R_{CP}$ and $R_{dAu}$) of $\Delta$ and $K^{*}$ are discussed.

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