Sensitivity of multiplicity fluctuations to freeze-out conditions in heavy ion collisions

Paolo Alba, R. Bellwied, Marcus Bluhm, Valentina Mantovani Sarti, Marlene Nahrgang, Claudia Ratti

Type: Article

Publication Date: 2015-12-18

Citations: 42

DOI: https://doi.org/10.1103/physrevc.92.064910

Abstract

We study the sensitivity of the higher-order moments of produced particle multiplicity distributions to the chemical freeze-out parameters in relativistic heavy ion collisions using the hadron resonance gas model. We compare the obtained sensitivity level to the one extracted from the ratios of particle yields. We find that, for certain final state hadrons, the fluctuation measurements add significant information to the determination of the hadrochemical freeze-out properties of the deconfined phase of matter obtained at the BNL Relativistic Heavy Ion Collider and the CERN Large Hadron Collider.

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Physical Review C - View - PDF
arXiv (Cornell University) - View - PDF
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