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Strangeness production in microscopic transport models for relativistic heavy-ion collisions from SIS to RHIC is reviewed: after a brief introduction into elementary strangeness production processes, the main emphasis is put on strangeness…

Nuclear Theory · Physics 2016-09-08 Steffen A. Bass

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

High Energy Physics - Phenomenology · Physics 2015-06-25 J. Cleymans , H. Oeschler , K. Redlich , S. Wheaton

The grand-canonical version of the thermal model is used to analyze the ratios of particle abundances measured in ultra-relativistic heavy-ion collisions. Exactly the same model is applied to study the heavy-ion reactions at BNL AGS, CERN…

Nuclear Theory · Physics 2007-05-23 Mariusz Michalec

We discuss strangeness production in heavy-ion collisions in the broad energy range --- from SIS energies through AGS-SPS-RHIC and upto LHC energies. On several examples we demonstrate how the strange particle production can reveal…

Nuclear Theory · Physics 2015-02-20 E. E. Kolomeitsev , I. Melo , B. Tomasik , D. N. Voskresensky

We study the chemical freeze-out dynamics of strange particles ($K,\, \Lambda,\, \Sigma$) from a homogeneous and isotropically expanding hadronic system of $\pi, K, \rho, N, \Lambda$ and $\Sigma$ with zero net baryon density. We use the…

Nuclear Theory · Physics 2021-09-01 Sushant K. Singh , Purabi Ghosh , Jajati K. Nayak

We perform an analysis of preliminary data on strange particles yields and fluctuations within the Statistical hadronization model. We begin by describing the theoretical disagreements between different statistical models currently on the…

Nuclear Theory · Physics 2009-11-11 Giorgio Torrieri

Strange particle production is an important experimental observable that allows the study of the strongly interacting matter created in relativistic heavy-ion collisions. The STAR experiment at RHIC has a unique capability of measuring…

Nuclear Experiment · Physics 2019-08-13 Jun Takahashi

Statistical hadronization models are extremly succesful in describing measured ratios of hadrons produced in heavy-ion collisions for a wide range of beam energies from SIS to RHIC. Using the idea of statistical hadronization at the phase…

High Energy Physics - Phenomenology · Physics 2016-09-06 Thorsten Renk

We study the thermodynamic geometry of the Quark-Meson model, focusing on the curvature, $R$, around the chiral crossover at finite temperature and baryon chemical potential. We find a peculiar behavior of $R$ in the crossover region, in…

High Energy Physics - Phenomenology · Physics 2020-01-29 Bonan Zhang , Shen-Song Wan , Marco Ruggieri

The optimal (`equilibrium') macroscopic properties of an economy with $N$ industries endowed with different technologies, $P$ commodities and one consumer are derived in the limit $N\to\infty$ with $n=N/P$ fixed using the replica method.…

Disordered Systems and Neural Networks · Physics 2008-12-02 A. De Martino , M. Marsili , I. Perez Castillo

The production and freeze-out conditions of strange particles, produced in Au+Au collisions at RHIC energies, are studied within microscopic transport model. The system of final particles can be represented as a core, containing the…

High Energy Physics - Phenomenology · Physics 2009-11-11 L. Bravina , K. Tywoniuk , E. Zabrodin

A phenomenological model of dark energy that tracks the baryonic and cold dark matter at early times but resembles a cosmological constant at late times is explored. In the transition between these two regimes, the dark energy density drops…

Cosmology and Nongalactic Astrophysics · Physics 2013-11-13 Jannis Bielefeld , W. L. Kimmy Wu , Robert R. Caldwell , Olivier Dore

The multiplicity fluctuations of hadrons are studied within the statistical hadron-resonance gas model in the large volume limit. The role of quantum statistics and resonance decay effects are discussed. The microscopic correlator method is…

Nuclear Theory · Physics 2008-11-26 Mark Gorenstein

We construct a hadronic kinetic model which describes production of strange particles in ultrarelativistic nuclear collisions in the energy domain of SPS. We test this model on description of the sharp peak in the excitation function of…

Nuclear Theory · Physics 2011-09-13 Boris Tomasik , Evgeni E Kolomeitsev

The excitation functions of $K^+$ and $K^-$ mesons in heavy ion collisions are studied within a statistical model assuming chemical and thermal equilibrium with exact strangeness conservation. At low incident energies the associate…

Nuclear Theory · Physics 2009-11-06 J. Cleymans , H. Oeschler , K. Redlich

Particle production in central Pb-Pb collisions at LHC is discussed in the context of the Statistical Model. Predictions of various particle ratios are presented with the corresponding choice of model parameters made according to the…

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

Strange particle ratios and pT-spectra are calculated in a thermal model with single freeze-out, previously used successfully to describe non-strange particle production at RHIC. The model and the recently released data for phi, Lambda,…

Nuclear Theory · Physics 2015-06-26 Wojciech Broniowski , Wojciech Florkowski

A study of the "horn" in the particle ratio $K^+/\pi^+$ for central heavy-ion collisions as a function of the collision energy $\sqrt{s}$ is presented. We analyse two different interpretations: the onset of deconfinement and the transition…

High Energy Physics - Phenomenology · Physics 2015-06-17 Alessia Palmese , Giuseppe Pagliara , Alessandro Drago , Olena Linnyk , Wolfgang Cassing

The study of the multi-strange production in the final state of ultra-relativistic Au+Au collisions at top RHIC energy gives information on the freeze-out conditions and probably on earlier stages of the collision. The chemical freeze-out…

Nuclear Experiment · Physics 2017-08-23 Magali Estienne

The RHIC Beam Energy Scan focuses on the study of the QCD phase diagram --- temperature ($T$) vs. baryon chemical potential ($\mu_B$). The aim is to verify some predictions from QCD: that a cross-over occurs at $\mu_B$ = 0, that there…

Nuclear Experiment · Physics 2011-09-27 Lokesh Kumar