Production of strange resonances in AA collisions at $\sqrt{s_{{\it NN}}} = 17.3$, 62.4 and 200 GeV

Author:

Liu Kai-Chun1,Song Jun2,Shao Feng-Lan1

Affiliation:

1. Department of Physics, Qufu Normal University, Shandong 273165, P. R. China

2. Department of Physics, Jining University, Shandong 273155, P. R. China

Abstract

Hadronic resonances measured experimentally by invariant mass reconstruction in relativistic heavy-ion collisions contain contributions from different production channels and/or stages, i.e., leftovers of primordial hadronization, regenerations in hadronic rescatterings and those decayed from heavier resonances. We use a UrQMD model to systematically calculate the proportions of these different channels in final observation of resonances K*(892), Σ*(1385), ϕ(1020), Ξ*(1530) and Λ(1520) and investigate the time evolution of these resonance productions in AA collisions at [Formula: see text], 62.4 and 200 GeV. We study the yields, transverse momentum spectra and elliptic flows of these resonances and discuss the survival information of the primordial hadronization in final observations.

Publisher

World Scientific Pub Co Pte Lt

Subject

General Physics and Astronomy,Nuclear and High Energy Physics

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