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$K^{\star}(892)^{0}$ Production in Relativistic Heavy Ion Collisions at $\sqrt{s_{_{NN}}}=130$ GeV

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arxiv nucl-ex/0205015 v2 pith:FHDW56NE submitted 2002-05-22 nucl-ex

classification nucl-ex
keywords collisionsstar0heavyrelativisticcentraldataproductionsqrt
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abstract

We report the first observation of $K^{\star}(892)^{0}\to\pi K$ in relativistic heavy ion collisions. The transverse momentum spectrum of $(K^{\star0}+\bar{K}^{\star0})/2$ from central Au+Au collisions at $\sqrt{s_{_{NN}}}=130$ GeV is presented. The ratios of the $K^{\star0}$ yield derived from these data to the yields of negative hadrons, charged kaons, and $\phi$ mesons have been measured in central and minimum bias collisions and compared with model predictions and comparable $e^{+}e^{-}$, $pp$, and $\bar{p}p$ results. The data indicate no dramatic reduction of $K^{\star0}$ production in relativistic heavy ion collisions despite expected losses due to rescattering effects.

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Forward citations

Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. OpenAlex reports about 67 citations worldwide. Full citation record

  1. Observation of the centrality-dependent difference in directed flow between charged kaons and $K^{*0}$ resonances in Au+Au collisions at $\sqrt{s_{\mathrm{NN}}}$ = 14.6, 19.6 and 27 GeV

    nucl-ex 2026-07 accept novelty 7.0 of 10

    First measurement of K*0 directed flow shows a centrality-dependent difference from charged kaons that hydro+UrQMD models attribute to asymmetric hadronic rescattering relative to the event plane.

  2. Probing Late-Stage Hadronic Interactions at High Baryon Density via $K^{*0}$ Production in the RHIC Beam Energy Scan Program

    nucl-ex 2026-01 accept novelty 7.0 of 10

    K*0/K yield ratios in central Au+Au collisions at BES energies are suppressed relative to peripheral collisions and thermal predictions, indicating hadronic rescattering that strengthens at lower energies.

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