Determination of Chemical Freeze-Out Parameters from Net-Kaon Fluctuations at RHIC

Jamie M. Stafford, Paolo Alba, Rene Bellwied, Valentina Mantovani-Sarti, Jacquelyn Noronha-Hostler, Paolo Parotto, Israel Portillo-Vazquez, Claudia Ratti

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We calculate the mean-over-variance ratio of the net-kaon fluctuations in the Hadron Resonance Gas (HRG) Model for the five highest energies of the RHIC Beam Energy Scan (BES) for different particle data lists. We compare these results with the latest experimental data from the STAR collaboration in order to extract sets of chemical freeze-out parameters for each list. We focused on the PDG2012 and PDG2016+ particle lists, which differ largely in the number of resonant states. Our analysis determines the effect of the amount of resonances included in the HRG on the freeze-out conditions.

Original languageEnglish (US)
Title of host publicationThe 18th International Conference on Strangeness in Quark Matter, SQM 2019
EditorsDomenico Elia, Giuseppe E. Bruno, Pietro Colangelo, Leonardo Cosmai
PublisherSpringer Science and Business Media Deutschland GmbH
Pages367-371
Number of pages5
ISBN (Print)9783030534479
DOIs
StatePublished - 2020
Event18th International Conference on Strangeness in Quark Matter, SQM 2019 - Bari, Italy
Duration: Jun 10 2019Jun 15 2019

Publication series

NameSpringer Proceedings in Physics
Volume250
ISSN (Print)0930-8989
ISSN (Electronic)1867-4941

Conference

Conference18th International Conference on Strangeness in Quark Matter, SQM 2019
CountryItaly
CityBari
Period6/10/196/15/19

Keywords

  • Chemical freeze-out
  • Heavy-ion collisions
  • Quark-gluon plasma

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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