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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 this paper we discuss the interacting hadron resonance gas model in presence of a constant external magnetic field. The short range repulsive interaction between hadrons are accounted through van der Waals excluded volume correction to…

High Energy Physics - Phenomenology · Physics 2021-01-01 Guruprasad Kadam , Somenath Pal , Abhijit Bhattacharyya

The Hadron-Resonance Gas (HRG) approach - used to model hadronic matter at small baryon potentials $\mu_B$ and finite temperature $T$ - is extended to finite and large chemical potentials by introducing interactions between baryons in line…

High Energy Physics - Phenomenology · Physics 2018-07-25 Thorsten Steinert , Wolfgang Cassing

The standard implementation of the HRG model has been shown to be unable to describe all the available data on QCD matter. Here we show the balance of repulsive and attractive hadronic interactions on QCD thermodynamics through observables…

High Energy Physics - Phenomenology · Physics 2018-03-14 Paolo Alba

We investigate the effect of repulsive interaction between hadrons on the susceptibilities of conserved charges, namely baryon number (B), electric charge (Q) and strangeness (S). We estimate second fourth and sixth-order susceptibilities…

High Energy Physics - Phenomenology · Physics 2024-12-17 Somenath Pal , Guruprasad Kadam , Abhijit Bhattacharyya

We discuss the interacting hadron resonance gas model to describe the thermodynamics of hadronic matter. While the attractive interaction between hadrons is taken care of by including all the resonances with zero width, the repulsive…

High Energy Physics - Phenomenology · Physics 2019-10-23 Guruprasad Kadam , Hiranmaya Mishra

We report the effect of including repulsive interactions on various thermodynamic observables calculated using a S-matrix based Hadron Resonance Gas (HRG) model to already available corresponding results with only attractive interactions…

High Energy Physics - Phenomenology · Physics 2019-04-30 Ashutosh Dash , Subhasis Samanta , Bedangadas Mohanty

We investigate the general susceptibilities in the charm sector by using the van der Waals hadron resonance gas model (VDWHRG). We argue that the ideal hadron resonance gas (HRG), which assumes no interactions between hadrons, and the…

High Energy Physics - Phenomenology · Physics 2026-02-03 Kangkan Goswami , Kshitish Kumar Pradhan , Dushmanta Sahu , Raghunath Sahoo

An overview of a hadron resonance gas (HRG) model that includes van der Waals interactions between hadrons is presented. Applications of the excluded volume HRG model to heavy-ion collision data and lattice QCD equation of state are…

Nuclear Theory · Physics 2020-07-09 Volodymyr Vovchenko

We investigate the effects of repulsive interaction between hadrons on the fluctuations of the conserved charges. We calculate the baryon,the electric charge and the strangeness susceptibilities within the ambit of hadron resonance gas…

High Energy Physics - Phenomenology · Physics 2021-03-24 Somenath Pal , Guruprasad Kadam , Hiranmaya Mishra , Abhijit Bhattacharyya

An extension of Hadron Resonance Gas (HRG) model is constructed to include interactions using relativistic virial expansion of partition function. The non-interacting part of the expansion contains all the stable baryons and mesons and the…

Nuclear Theory · Physics 2018-05-11 Ashutosh Dash , Subhasis Samanta , Bedangadas Mohanty

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

An influence of the repulsive interactions on matter properties is considered within the excluded volume van der Waals hadron-resonance gas model. Quantitative results are presented for matter at the chemical freeze-out in central…

Nuclear Theory · Physics 2013-08-28 V. V. Begun , M. Gaździcki , M. I. Gorenstein

The quantum mechanical Beth-Uhlenbeck (BU) approach for repulsive hard-core interactions between baryons is applied to the thermodynamics of a hadron gas. The second virial coefficient $a_2$ -- the "excluded volume" parameter -- calculated…

Nuclear Theory · Physics 2018-03-14 Volodymyr Vovchenko , Anton Motornenko , Mark I. Gorenstein , Horst Stoecker

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

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

We investigate the effect of repulsive interaction between hadrons on the specific heat ($C_V$), isothermal compressibility ($\kappa_{T}$) and the speed of sound ($C_s^2$) of hot and dense hadronic matter. The repulsive interactions are…

High Energy Physics - Phenomenology · Physics 2022-05-09 Somenath Pal , Guruprasad Kadam , Abhijit Bhattacharyya

We simultaneously incorporate two common extensions of the hadron resonance gas model, namely the addition of extra, unconfirmed resonances to the particle list and the excluded volume repulsive interactions. We emphasize the complementary…

Nuclear Theory · Physics 2021-11-09 Jamie M. Karthein , Volker Koch , Claudia Ratti , Volodymyr Vovchenko

Experimental data on the moments of net-proton distribution in central Au-Au collisions for various center of mass energies ($\sqrt{\mathrm {s_{NN}}}$) measured by the STAR collaboration at the Relativistic Heavy-Ion Collider (RHIC) are…

High Energy Physics - Phenomenology · Physics 2019-05-24 Subhasis Samanta , Bedangadas Mohanty

Studying the thermodynamics of the systems produced in ultra-relativistic heavy-ion collisions is crucial in understanding the QCD phase diagram. Recently, a new avenue has opened regarding the implications of large initial angular momentum…

High Energy Physics - Phenomenology · Physics 2024-09-18 Kshitish Kumar Pradhan , Bhagyarathi Sahoo , Dushmanta Sahu , Raghunath Sahoo
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