Particle multiplicities and fluctuations in 200 GeV Au-Au collisions

Giorgio Torrieri; Sangyong Jeon; Johann Rafelski

doi:10.1063/1.2197395

Particle multiplicities and fluctuations in 200 GeV Au-Au collisions

Giorgio Torrieri, Sangyong Jeon, Johann Rafelski

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

1 Scopus citations

Abstract

We use the statistical hadronization model (SHM) to describe hadron multiplicity yields and fluctuations. We consider 200 GeV Au-Au collisions, and show that both event averaged yields of stable particles and resonances, and event-by-event fluctuation of the K/π ratio can be described within the SHM using the same set of thermal parameters, provided that the phase space occupancy parameter value is significantly above chemical equilibrium, and the freeze-out temperature is ∼ 140 MeV. We present predictions that allow to test the consistency of our results.

Original language	English (US)
Title of host publication	MULTIPARTICLE DYNAMICS
Subtitle of host publication	XXXV International Symposium on Multiparticle Dynamics; and Workshop on Particle Correlations and Femtoscopy
Pages	55-61
Number of pages	7
DOIs	https://doi.org/10.1063/1.2197395
State	Published - Apr 11 2006
Event	MULTIPARTICLE DYNAMICS: XXXV International Symposium on Multiparticle Dynamics and the Workshop on Particle Correlations and Femtoscopy - Kromeriz, Czech Republic Duration: Aug 9 2005 → Aug 17 2005

Publication series

Name	AIP Conference Proceedings
Volume	828
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Other

Other	MULTIPARTICLE DYNAMICS: XXXV International Symposium on Multiparticle Dynamics and the Workshop on Particle Correlations and Femtoscopy
Country/Territory	Czech Republic
City	Kromeriz
Period	8/9/05 → 8/17/05

ASJC Scopus subject areas

General Physics and Astronomy

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10.1063/1.2197395

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Particle multiplicities and fluctuations in 200 GeV Au-Au collisions. / Torrieri, Giorgio; Jeon, Sangyong; Rafelski, Johann.
MULTIPARTICLE DYNAMICS: XXXV International Symposium on Multiparticle Dynamics; and Workshop on Particle Correlations and Femtoscopy. 2006. p. 55-61 (AIP Conference Proceedings; Vol. 828).

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

Torrieri, G, Jeon, S & Rafelski, J 2006, Particle multiplicities and fluctuations in 200 GeV Au-Au collisions. in MULTIPARTICLE DYNAMICS: XXXV International Symposium on Multiparticle Dynamics; and Workshop on Particle Correlations and Femtoscopy. AIP Conference Proceedings, vol. 828, pp. 55-61, MULTIPARTICLE DYNAMICS: XXXV International Symposium on Multiparticle Dynamics and the Workshop on Particle Correlations and Femtoscopy, Kromeriz, Czech Republic, 8/9/05. https://doi.org/10.1063/1.2197395

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AB - We use the statistical hadronization model (SHM) to describe hadron multiplicity yields and fluctuations. We consider 200 GeV Au-Au collisions, and show that both event averaged yields of stable particles and resonances, and event-by-event fluctuation of the K/π ratio can be described within the SHM using the same set of thermal parameters, provided that the phase space occupancy parameter value is significantly above chemical equilibrium, and the freeze-out temperature is ∼ 140 MeV. We present predictions that allow to test the consistency of our results.

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Particle multiplicities and fluctuations in 200 GeV Au-Au collisions

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