Multibin correlations in a superposition approach to relativistic heavy-ion collisions

Abstract

Analysis of correlation of multiplicities between various rapidity bins is carried out in the framework of a superposition approach consisting of three phases of the ultra-relativistic nuclear collision: early partonic phase, intermediate collective evolution, and statistical hadronization. Simple relations between the moments of produced hadrons and the moments of the sources produced in the initial partonic phase are presented. They involve only a few effective parameters describing the of microscopic dynamics of the system. We illustrate the practicality of the approach with the Glauber model simulations. Our study carries direct relevance for the interpretation of the upcoming results for the multibin multiplicity correlations from the LHC, which will help in an assessment of the correlation features of the state formed in the earliest stage of the reaction.

version accepted in Phys. Rev. C

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Cited by in corpus (7)

• A simple model for rapidity fluctuations in the initial state of ultra-relativistic heavy-ion collisions
• Two-particle correlations in pseudorapidity in a hydrodynamic model
• Multi-particle long-range rapidity correlations from fluctuation of the fireball longitudinal shape
• Partial correlation analysis method in ultra-relativistic heavy-ion collisions
• Statistical moments in superposition models and strongly intensive measures
• Rapidity dependence of transverse-momentum multiplicity correlations
• Forward-backward multiplicity correlations at the LHC from independent sources