A statistical model analysis of $K/\pi$ fluctuations in heavy ion collisions

Abstract

We briefly describe two statistical hadronization models, based respectively on the presence and absence of light quark chemical equilibrium, used to analyze particle yields in heavy ion collisions. We then try to distinguish between these models using $K/\pi$ fluctuations data. We find that while the non-equilibrium model provides an acceptable description of fluctuations at top SPS and RHIC energies, both models considerably under-estimate fluctuations at low SPS energies.

arXiv commentReferences updated Poster in QM2006 conference, Shanghai

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Cited by in corpus (9)

• K/pi Fluctuations at Relativistic Energies
• Hadronic Fluctuations and Correlations
• Fluctuations of the $K/\pi$ Ratio in Nucleus-Nucleus Collisions: Statistical and Transport Models
• On the energy dependence of $K/\pi$ fluctuations in relativistic heavy ion collisions
• Multiplicity Fluctuations in Limited Segments of Momentum Space in Statistical Models
• Fluctuations of Particle Yield Ratios in Heavy-Ion Collisions
• Statistical hadronization phenomenology in $K/\pi$ fluctuations at ultra-relativistic energies
• Multiplicity fluctuation and correlation of identified baryons in quark combination model
• Multiplicity fluctuation and correlation of mesons and baryons in ultra-relativistic heavy-ion collisions at LHC