English
Related papers

Related papers: Remarks on the extraction of freeze-out parameters

200 papers

We present STAR results from identified particle spectra measured in $\sqrt{s_{NN}}$ = 62.4 GeV Au-Au collisions. Particle production and system dynamics are compared to results at $\sqrt{s_{NN}}$ = 200 GeV. We extract kinetic and chemical…

Nuclear Experiment · Physics 2009-11-11 Levente Molnar

We provide a framework to estimate the systematic uncertainties in chemical freeze-out parameters extracted from $\chi^2$ analysis of thermal model, using hadron multiplicity ratios in relativistic heavy-ion collision experiments. Using a…

High Energy Physics - Phenomenology · Physics 2021-02-10 Sumana Bhattacharyya , Amaresh Jaiswal , Sutanu Roy

At thermal equilibrium, different chemical freezeout conditions have been proposed so far. They have an ultimate aim of proposing a universal description for the chemical freezeout parameters ($T_{ch}$ and $\mu_b$), which are to be…

High Energy Physics - Phenomenology · Physics 2016-03-24 A. Tawfik , M. Y. El-Bakry , D. M. Habashy , M. T. Mohamed , E. Abbas

We extract chemical freeze-out conditions via a thermal model approach from fluctuation observables measured at RHIC and compare with results from lattice QCD and statistical hadronization model fits. The possible influence of additional…

High Energy Physics - Phenomenology · Physics 2014-08-21 Marcus Bluhm , Paolo Alba , Wanda Alberico , Rene Bellwied , Valentina Mantovani Sarti , Marlene Nahrgang , Claudia Ratti

We discuss details of our thermal model applied to extract chemical freeze-out conditions from fluctuations in the net-electric charge and net-proton number measured at RHIC. A parametrization for these conditions as a function of the beam…

High Energy Physics - Phenomenology · Physics 2015-06-11 M. Bluhm , P. Alba , W. Alberico , R. Bellwied , V. Mantovani Sarti , M. Nahrgang , C. Ratti

The status of the energy dependence of the chemical freeze-out temperature and chemical potential obtained in heavy ion collisions is presented. Recent proposals for chemical freeze-out conditions are compared.

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

We present continuum extrapolated lattice results for the higher order fluctuations of conserved charges in high temperature Quantum Chromodynamics. Through the matching of the grand canonical ensemble on the lattice to the net charge and…

High Energy Physics - Lattice · Physics 2013-12-02 S. Borsanyi , Z. Fodor , S. D. Katz , S. Krieg , C. Ratti , K. K. Szabo

We use a kinetic condition to predict the chemical freeze-out parameters for hadronic species produced in heavy ion collisions. The resulting freeze-out lines for different hadrons lie close to one another in the temperature and…

High Energy Physics - Phenomenology · Physics 2017-05-02 David Blaschke , Jakub Jankowski , Michal Naskret

The question of decoupling and freeze-out is reinvestigated and analysed in terms of transparent semi-classical decoupling formulae, which provide a smooth decoupling in time both, for single and two particle inclusive spectra. They…

Nuclear Theory · Physics 2014-11-18 J. Knoll

We introduce a new prescription for obtaining the chemical freeze-out parameters in the heavy-ion collision experiments using the Hadron Resonance Gas model. The scheme is found to reliably estimate the freeze-out parameters and predict the…

Nuclear Theory · Physics 2020-04-07 Sumana Bhattacharyya , Deeptak Biswas , Sanjay K. Ghosh , Rajarshi Ray , Pracheta Singha

A brief review is presented of the status of the thermal model and chemical freeze-out in relativistic heavy-ion collisions. Some interewsting aspects at lower energies are emphasized.

High Energy Physics - Phenomenology · Physics 2014-12-23 J. Cleymans

The diffusion of a bulk absorbed gas species out of spherical pebbles is studied analytically, stressing the usefulness of the time integral of the diffusion coefficient for analysis of arbitrary temperature schedule experiments. Highly…

Materials Science · Physics 2009-11-13 Ricardo E. Avila

This paper is temporarily withdrawn by author

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Tawfik

The lattice QCD data of pressure and the energy density have been used to extract the hadronic radius parameter of the excluded volume hadron resonance gas (EVHRG) model. The equation of state can be described well with the extracted radius…

High Energy Physics - Phenomenology · Physics 2018-06-06 Subhasis Samanta

The present knowledge about hadrons produced in relativistic heavy ion collisions is compatible with chemical freeze-out happening when the energy density divided by the particle density reaches the value of 1 GeV. This observation is used…

Nuclear Theory · Physics 2014-11-18 J. Cleymans , K. Redlich

We introduce a novel approach based on elastic and inelastic scattering rates to extract the hyper-surface of the chemical freeze-out from a hadronic transport model in the energy range from E$_\mathrm{lab}=1.23$ AGeV to…

Nuclear Theory · Physics 2023-02-28 Tom Reichert , Gabriele Inghirami , Marcus Bleicher

We describe a procedure for determination of freeze-out parameters of heavy-ion collisions through direct comparisons between experimentally measured higher order cumulants of charge fluctuations and first principle (lattice) QCD…

Nuclear Theory · Physics 2015-06-12 Swagato Mukherjee

Freeze-out conditions in Heavy Ion Collisions are generally determined by comparing experimental results for ratios of particle yields with theoretical predictions based on applications of the Hadron Resonance Gas model. We discuss here how…

High Energy Physics - Lattice · Physics 2017-11-22 Frithjof Karsch

I discuss the quantities and effects important for the freeze-out and outline a formalism for the description of continuous decoupling of particles from the fireball. Then I present a calculation of the scattering rates of pions at various…

Nuclear Theory · Physics 2007-05-23 Boris Tomasik

The evolution of a hadronic system after its chemical decomposition is described through a model that conserves the hadronic multiplicities to their values at chemical freeze-out. The state of the system is found as function of temperature…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. S. Kapoyannis
‹ Prev 1 2 3 10 Next ›