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Strangeness Production in sqrt{s_(rm NN)}=3 GeV Au+Au Collisions at RHIC

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arxiv 2407.10110 v1 pith:KEMFXNRX submitted 2024-07-14 nucl-ex nucl-th

Strangeness Production in sqrt{s_(rm NN)}=3 GeV Au+Au Collisions at RHIC

classification nucl-ex nucl-th
keywords collisionsstrangecentralityproductiondependencehadronhadroniclambda
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We report multi-differential measurements of strange hadron production ranging from mid- to target-rapidity in Au+Au collisions at a center-of-momentum energy per nucleon pair of $\sqrt{s_{\rm NN}}=3$ GeV with the STAR experiment at RHIC. $K^0_S$ meson and $\Lambda$ hyperon yields are measured via their weak decay channels. Collision centrality and rapidity dependences of the transverse momentum spectra and particle ratios are presented. Particle mass and centrality dependence of the average transverse momenta of $\Lambda$ and $K^0_S$ are compared with other strange particles, providing evidence of the development of hadronic rescattering in such collisions. The 4$\pi$ yields of each of these strange hadrons show a consistent centrality dependence. Discussions on radial flow, the strange hadron production mechanism, and properties of the medium created in such collisions are presented together with results from hadronic transport and thermal model calculations.

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Forward citations

Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Sequential Clusterization of Light Nuclei and Hypernuclei in Heavy-Ion Collisions within a Wigner Function Coalescence Framework

    nucl-th 2026-06 unverdicted novelty 6.0

    Coalescence model with realistic hyperspherical wave functions in PHQMD extracts species-dependent coalescence times for light nuclei and hypernuclei at 3 GeV, improves A=4 yields via extra channels, and predicts heav...

  2. Collision Energy Dependence of Hypertriton Production in Au+Au Collisions at RHIC

    nucl-ex 2026-04 unverdicted novelty 6.0

    Hypertriton yields and Lambda ratios increase at lower collision energies but remain a factor of two below thermal models, while the double ratio to triton production stays constant at 0.4, pointing to intrinsically l...

  3. Production of {\Lambda} hyperons in 4.0A GeV and 4.5A GeV carbon-nucleus interactions at the Nuclotron

    hep-ex 2026-04 unverdicted novelty 4.0

    New measurements of Lambda hyperon yields in 4.0A-4.5A GeV carbon-nucleus collisions at the Nuclotron are presented and compared with transport model predictions.

  4. Experimental Review on Bulk Properties and Light/Strange Hadron Production in Heavy-Ion Collisions

    nucl-ex 2026-07 conditional novelty 2.0

    A conference proceedings review synthesizes STAR, CMS, ALICE, ATLAS, PHENIX, NA61/SHINE and HADES results on bulk QGP properties and strange hadron production across energies and system sizes.