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

doi:10.1007/978-3-030-53448-6_58

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

Physics

Research output: Chapter in Book/Report/Conference proceeding › Conference 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 language	English (US)
Title of host publication	The 18th International Conference on Strangeness in Quark Matter, SQM 2019
Editors	Domenico Elia, Giuseppe E. Bruno, Pietro Colangelo, Leonardo Cosmai
Publisher	Springer
Pages	367-371
Number of pages	5
ISBN (Print)	9783030534479
DOIs	https://doi.org/10.1007/978-3-030-53448-6_58
State	Published - 2020
Event	18th International Conference on Strangeness in Quark Matter, SQM 2019 - Bari, Italy Duration: Jun 10 2019 → Jun 15 2019

Publication series

Name	Springer Proceedings in Physics
Volume	250
ISSN (Print)	0930-8989
ISSN (Electronic)	1867-4941

Conference

Conference	18th International Conference on Strangeness in Quark Matter, SQM 2019
Country/Territory	Italy
City	Bari
Period	6/10/19 → 6/15/19

Keywords

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

ASJC Scopus subject areas

General Physics and Astronomy

Online availability

10.1007/978-3-030-53448-6_58

Library availability

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Cite this

Stafford, J. M., Alba, P., Bellwied, R., Mantovani-Sarti, V., Noronha-Hostler, J., Parotto, P., Portillo-Vazquez, I., & Ratti, C. (2020). Determination of Chemical Freeze-Out Parameters from Net-Kaon Fluctuations at RHIC. In D. Elia, G. E. Bruno, P. Colangelo, & L. Cosmai (Eds.), The 18th International Conference on Strangeness in Quark Matter, SQM 2019 (pp. 367-371). (Springer Proceedings in Physics; Vol. 250). Springer. https://doi.org/10.1007/978-3-030-53448-6_58

Determination of Chemical Freeze-Out Parameters from Net-Kaon Fluctuations at RHIC. / Stafford, Jamie M.; Alba, Paolo; Bellwied, Rene et al.
The 18th International Conference on Strangeness in Quark Matter, SQM 2019. ed. / Domenico Elia; Giuseppe E. Bruno; Pietro Colangelo; Leonardo Cosmai. Springer, 2020. p. 367-371 (Springer Proceedings in Physics; Vol. 250).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Stafford, JM, Alba, P, Bellwied, R, Mantovani-Sarti, V, Noronha-Hostler, J, Parotto, P, Portillo-Vazquez, I & Ratti, C 2020, Determination of Chemical Freeze-Out Parameters from Net-Kaon Fluctuations at RHIC. in D Elia, GE Bruno, P Colangelo & L Cosmai (eds), The 18th International Conference on Strangeness in Quark Matter, SQM 2019. Springer Proceedings in Physics, vol. 250, Springer, pp. 367-371, 18th International Conference on Strangeness in Quark Matter, SQM 2019, Bari, Italy, 6/10/19. https://doi.org/10.1007/978-3-030-53448-6_58

Stafford JM, Alba P, Bellwied R, Mantovani-Sarti V, Noronha-Hostler J, Parotto P et al. Determination of Chemical Freeze-Out Parameters from Net-Kaon Fluctuations at RHIC. In Elia D, Bruno GE, Colangelo P, Cosmai L, editors, The 18th International Conference on Strangeness in Quark Matter, SQM 2019. Springer. 2020. p. 367-371. (Springer Proceedings in Physics). doi: 10.1007/978-3-030-53448-6_58

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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.",

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AU - Stafford, Jamie M.

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AU - Noronha-Hostler, Jacquelyn

AU - Parotto, Paolo

AU - Portillo-Vazquez, Israel

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AB - 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.

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

Abstract

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Conference

Keywords

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Online availability

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