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Related papers: Description of Hot and Dense Hadron Gas Properties…

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Incorporation of the finite size of baryons into the equation of state (EOS) of a hot and dense hadron gas (HG) in a thermodynamically consistent manner has been a much studied problem. We first review its current status. Various models…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Mishra , C. P. Singh

We formulate a thermodynamically consistent equation of state (EOS), based on excluded-volume approach, for a hot, dense hadron gas (HG). We calculate various thermodynamical quantities of HG and various hadron ratios and compare our model…

High Energy Physics - Phenomenology · Physics 2013-02-11 S. K. Tiwari , C. P. Singh

We investigate the equilibration and the equation of state of a hot hadron gas at finite baryon density using an event generator which is designed to approximately satisfy detailed balance at finite temperatures and finite baryon densities…

High Energy Physics - Phenomenology · Physics 2008-11-26 Nobuo Sasaki

Intensive investigations of freeze-out criteria in a hot and dense fireball provide important information regarding particle emission from the fireball. A systematic comparison of these proposals is presented here in the framework of a…

High Energy Physics - Phenomenology · Physics 2011-11-10 M. Mishra , C. P. Singh

From the analysis of light (anti)nuclei multiplicities that were measured recently by the ALICE collaboration in Pb+Pb collisions at the center-of-mass collision energy $\sqrt{s_{NN}} =2.76$ TeV there arose a highly non-trivial question…

The equation of state of hadron resonance gas at finite temperature and baryon density is calculated taking into account finite-size effects within the excluded volume model. Contributions of known hadrons with masses up to 2 GeV are…

High Energy Physics - Phenomenology · Physics 2010-04-14 L. M. Satarov , M. N. Dmitriev , I. N. Mishustin

A generalization of the Van der Waals excluded volume procedure for the multicomponent hadron gas is proposed. The derivation is based on the grand canonical partition function for the system of particles of several species interacting by…

Nuclear Theory · Physics 2009-10-31 M. I. Gorenstein , A. P. Kostyuk , Ya. D. Krivenko

We recapitulate a thermodynamically consistent excluded volume hadron gas model and examine its differences with other ``thermal models'' used in the literature. Preliminary experimental data for particle number ratios in the collisions of…

Nuclear Theory · Physics 2008-11-26 Granddon D. Yen , Mark I. Gorenstein , Walter Greiner , Shin Nan Yang

We consider thermodynamics of the excluded volume particles at finite temperature and chemical potential, in the low density approximation. We assume Boltzmann statistics and study the influence of the excluded volume on an ideal gas…

High Energy Physics - Phenomenology · Physics 2016-02-17 Krzysztof Redlich , Kacper Zalewski

The current status of various thermal and statistical descriptions of particle production in the ultra-relativistic heavy-ion collisions experiments is presented in detail. We discuss the formulation of various types of thermal models of a…

High Energy Physics - Phenomenology · Physics 2017-01-06 S. K. Tiwari , C. P. Singh

We estimate dissipative properties viz: shear and bulk viscosities of hadronic matter using relativistic Boltzmann equation in relaxation time approximation within ambit of excluded volume hadron resonance gas (EHRG) model. We find that at…

High Energy Physics - Phenomenology · Physics 2015-09-14 Guru Prakash Kadam , Hiranmaya Mishra

In the present work, we analyze several strange as well as non-strange relative hadronic yields obtained in the ultra-relativistic heavy-ion collisions (URHIC) experiments over a wide range of center-of-mass collision energy…

High Energy Physics - Phenomenology · Physics 2025-05-13 Sameer Ahmad Mir , Iqbal Mohi Ud Din , Nasir Ahmad Rather , Saeed Uddin , M. Farooq Mir

One of the most surprising results is to find that a consistent description of all the experimental results on particle multiplicities and particle ratios obtained from the lowest AGS to the highest RHIC energies is possible within the…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Mishra , C. P. Singh

We improve the excluded volume hadron resonances gas model (EHRG) to cure the acausal behavior of the sound velocity which is typical of excluded volume models. We achieve this by including temperature (T) and density ({\mu}) dependent…

High Energy Physics - Phenomenology · Physics 2015-10-16 Guru Prakash Kadam

We investigate extensions of the Hadron Resonance Gas (HRG) Model beyond the ideal case by incorporating both attractive and repulsive interactions into the model. When considering additional states exceeding those measured with high…

Nuclear Theory · Physics 2023-03-22 Jamie M. Karthein , Volker Koch , Claudia Ratti , Volodymyr Vovchenko

In the framework of a constituent quark mass model, the modified baryon masses are incorporated into the hadron resonance gas (HRG) based analysis of the like mass particle ratios in ultra relativistic nucleus-nucleus collisions (URNNC)…

High Energy Physics - Phenomenology · Physics 2024-11-25 Nasir Ahmad Rather , Sameer Ahmad Mir , Iqbal Mohi Ud Din , Saeed Uddin

The conventional hadron-resonance gas (HRG) model with the Particle Data Group (PDG) hadron input, full chemical equilibrium, and the hadron type dependent eigenvolume interactions is employed to fit the hadron mid-rapidity yield data of…

High Energy Physics - Phenomenology · Physics 2017-04-10 Volodymyr Vovchenko , Horst Stoecker

The thermodynamics of hot and dense matter created in heavy-ion collision experiments are usually studied as a system of infinite volume. Here we report on possible effects for considering a finite system size for such matter in the…

High Energy Physics - Phenomenology · Physics 2015-04-16 Abhijit Bhattacharyya , Rajarshi Ray , Subhasis Samanta , Subrata Sur

The Monte Carlo results in lattice QCD for the pressure and energy density at small temperature $T < 155$ MeV and zero baryonic chemical potential are analyzed within the hadron resonance gas model. Two extensions of the ideal hadron…

Nuclear Theory · Physics 2015-02-20 V. Vovchenko , D. V. Anchishkin , M. I. Gorenstein

The meson exchange interaction based on relativistic mean-field (RMF) theory has been introduced in the hadron resonance gas (HRG) model, called interacting HRG (iHRG) model. This model can be used to explain the experimental data both at…

Nuclear Theory · Physics 2021-12-09 S. Sahoo , D. K. Mishra , P. K. Sahu
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