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The sharp peak in the K+/pi+ ratio in relativistic heavy-ion collisions is discussed in the framework of the Statistical Model. In this model a rapid change is expected as the hadronic gas undergoes a transition from a baryon-dominated to a…

High Energy Physics - Phenomenology · Physics 2010-11-02 J. Cleymans , H. Oeschler , K. Redlich , S. Wheaton

>1A review of meson emission in heavy ion collisions at incident energies from SIS up to collider energies is presented. A statistical model assuming chemical equilibrium and local strangeness conservation (i.e. strangeness conservation per…

Nuclear Experiment · Physics 2008-11-26 H. Oeschler , J. Cleymans , K. Redlich

The recently discovered sharp peak in the K+/pi+ ratio is discussed in the framework of the statistical model. In this model a rapid change is expected as the hadronic gas undergoes a transition from a baryon-dominated to a meson-dominated…

High Energy Physics - Phenomenology · Physics 2009-11-10 J. Cleymans , H. Oeschler , K. Redlich , S. Wheaton

>A review of meson emission in heavy ion collisions at incident energies from SIS up to collider energies is presented. A statistical model assuming chemical equilibrium and local strangeness conservation (i.e. strangeness conservation per…

Nuclear Experiment · Physics 2008-11-26 Helmut Oeschler

The present status of the thermal model is reviewed and the recently discovered sharp peak in the $K^+/\pi^+$ ratio is discussed in this framework. It is shown that the rapid change is related to a transition from a baryon dominated…

High Energy Physics - Phenomenology · Physics 2009-11-11 J. Cleymans , H. Oeschler , K. Redlich , S. Wheaton

Strangeness production in heavy ion collisions is discussed in a broad energy range from SIS to RHIC. %We emphasize that in the In the whole energy range particle yields are showing high level of chemical equilibration which can be…

High Energy Physics - Phenomenology · Physics 2009-11-07 Krzysztof Redlich

>A review of meson emission in heavy ion collisions at incident energies around 1 -- 2 $A\cdot$GeV is presented. It is shown how the shape of the spectra and the various particle yields vary with system size, with centrality and with…

Nuclear Experiment · Physics 2008-11-26 Helmut Oeschler

This dissertation examines the phenomenology of statistical hadronization at ultrarelativistic energies. We start with an overview of current experimental and theoretical issues in Relativistic heavy ion physics. We then introduce…

Nuclear Theory · Physics 2009-09-29 Giorgio Torrieri

We explain how fluctuations of ratios can constrain and falsify the statistical model of particle production in heavy ion collisions, using $K/\pi$ fluctuations as an example. We define an observable capable of determining which statistical…

Nuclear Theory · Physics 2007-09-06 Giorgio Torrieri

We explain how event-by-event fluctuations of particle ratios can constrain and falsify the statistical model of particle production in heavy ion collisions, using $K/\pi$ fluctuations as an example. We define an observable capable of…

Nuclear Theory · Physics 2008-11-26 Giorgio Torrieri

Tsallis Statistics was used to investigate the non-Boltzmann distribution of particle spectra and their dependence on particle species and beam energy in the relativistic heavy-ion collisions at SPS and RHIC. Produced particles are assumed…

Nuclear Experiment · Physics 2010-12-02 Ming Shao , Li Yi , Zebo Tang , Hongfang Chen , Cheng Li , Zhangbu Xu

The recently discovered sharp peak in the excitation function of the K+/pi+ ratio around 30 A GeV in relativistic heavy-ion collisions is discussed in the framework of the Statistical Model. In this model, the freeze-out of an ideal hadron…

Nuclear Theory · Physics 2008-11-26 H. Oeschler , J. Cleymans , K. Redlich , S. Wheaton

Due to its large acceptance, the STAR experiment has acquired a wealth of data on strangeness production for a variety of collisions systems and energies, from p+p to Au+Au. By using the yields and spectra, we address the evolution of the…

Nuclear Experiment · Physics 2010-12-17 Matthew A. C. Lamont

We discuss the information that can be obtained from an analysis of fluctuations in heavy ion collisions within the context of the statistical model of particle production. We then examine the recently published experimental data on ratio…

Nuclear Theory · Physics 2012-02-22 Giorgio Torrieri , Rene Bellwied , Christina Markert , Gary Westfall

Statistical hadronization is presented as mechanism for (strange) particle production from a deconfined quark--gluon plasma (QGP) fireball. We first consider hadronic resonance production at RHIC as a test of the model. We present in detail…

High Energy Physics - Phenomenology · Physics 2008-11-26 Jan Rafelski , Jean Letessier

The systematics of Statistical Model parameters extracted from heavy-ion collisions at lower energies are exploited to extrapolate in the LHC regime. Predictions of various particle ratios are presented and particle production in central…

High Energy Physics - Phenomenology · Physics 2009-11-11 I. Kraus , J. Cleymans , H. Oeschler , K. Redlich , S. Wheaton

We consider the chemical freeze-out of $\Xi$, $\overline\Xi$ and $\phi$ multistrange hadrons within a Statistical Hadronization Model inspired approach. We study particle yields across a wide range of reaction energy and centrality from…

High Energy Physics - Phenomenology · Physics 2014-11-20 Michal Petran , Johann Rafelski

Particle production in p+p and central Pb+Pb collisions at LHC is discussed in the context of the statistical thermal model. For heavy-ion collisions, predictions of various particle ratios are presented. The sensitivity of several ratios…

High Energy Physics - Phenomenology · Physics 2009-09-30 I. Kraus , J. Cleymans , H. Oeschler , K. Redlich , S Wheaton

Identified charged kaon, pion, and proton spectra and ratios from sqrt(s_NN) = 200 and 62.4 GeV Cu+Cu collisions are studied with a hydro-motivated blast-wave and a statistical model framework in order to explore the strangeness production…

Nuclear Experiment · Physics 2008-11-26 Aneta Iordanova

We have estimated centrality variation of chemical freeze-out parameters from yield data at mid-rapidity of $\pi^\pm$, $K^\pm$ and $p$, $\bar{p}$ for collision energies of RHIC (Relativistic Heavy Ion Collider), Beam Energy Scan (RHIC-BES)…

High Energy Physics - Phenomenology · Physics 2021-04-29 Deeptak Biswas
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