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The search for stable heavy exotic hadrons is a promising way to observe new physics processes at collider experiments. The discovery potential for such particles can be enhanced or suppressed by their interactions with detector material.…

High Energy Physics - Phenomenology · Physics 2008-11-26 Y. R. de Boer , A. B. Kaidalov , D. A. Milstead , O. I. Piskounova

We perform a Bayesian calibration of the Cross--term Excluded-Volume Hadron Resonance Gas (Cross EV--HRG) model, which incorporates flavor-dependent repulsive interactions within a thermodynamically consistent framework. For the first time,…

High Energy Physics - Phenomenology · Physics 2026-01-05 Nachiketa Sarkar

We present temperature ($T$) and baryonic chemical potential ($\mu_B$) dependence of higher order fluctuations and correlation between conserved charges in Excluded Volume Hadron Resonance Gas (EVHRG) model. Products of moments, such as…

High Energy Physics - Phenomenology · Physics 2015-06-17 Abhijit Bhattacharyya , Supriya Das , Sanjay K. Ghosh , Rajarshi Ray , Subhasis Samanta

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

The hadron-resonance gas (HRG) model with the mass-proportional eigenvolume (EV) corrections is employed to fit the hadron yield data of the NA49 collaboration for central Pb+Pb collisions at $\sqrt{s_{_{\rm NN}}} = 6.3, 7.6, 8.8, 12.3,$…

High Energy Physics - Phenomenology · Physics 2017-04-12 Volodymyr Vovchenko , Horst Stoecker

We review the current status of the research on effective nonlocal NJL-like chiral quark models with separable interactions, focusing on the application of this approach to the description of the properties of hadronic and quark matter…

High Energy Physics - Phenomenology · Physics 2021-01-26 D. Gomez Dumm , J. P. Carlomagno , N. N. Scoccola

Thermodynamic properties of systems with repulsive interactions, are considered in the grand canonical ensemble. The analytic structure of the excluded-volume model in the complex plane of the system chemical potential (fugacity) is…

High Energy Physics - Phenomenology · Physics 2019-12-11 Kirill Taradiy , Anton Motornenko , Volodymyr Vovchenko , Mark I. Gorenstein , Horst Stoecker

We match three hadronic equations of state at low energy densities to a perturbatively computed equation of state of quarks and gluons at high energy densities. One of them includes all known hadrons treated as point particles, which…

Nuclear Theory · Physics 2014-09-05 M. Albright , J. Kapusta , C. Young

The formalism to augment the classical models of equation of state for real gases with the quantum statistical effects is presented. It allows an arbitrary excluded volume procedure to model repulsive interactions, and an arbitrary…

Nuclear Theory · Physics 2017-09-29 Volodymyr Vovchenko

We investigate the effects of electronic correlations on the Bernevig-Hughes-Zhang model using the real-space density matrix renormalization group (DMRG) algorithm. We introduce a method to probe topological phase transitions in systems…

Strongly Correlated Electrons · Physics 2024-09-17 Rahul Soni , Harini Radhakrishnan , Bernd Rosenow , Gonzalo Alvarez , Adrian Del Maestro

The quantum van der Waals (QvdW) extension of the ideal hadron resonance gas (HRG) model which includes the attractive and repulsive interactions between baryons -- the QvdW-HRG model -- is applied to study the behavior of the baryon number…

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

A detailed discussion of recent results obtained within the hadron resonance gas model with the multi-component hard core repulsion is presented. Among them there are the adiabatic chemical freeze-out criterion, the concept of separate…

High Energy Physics - Phenomenology · Physics 2015-01-27 K. A. Bugaev , A. I. Ivanytskyi , D. R. Oliinychenko , E. G. Nikonov , V. V. Sagun , G. M. Zinovjev

We present, in the framework of the interacting hadron resonance gas, an evaluation of thermodynamical quantities. The interaction is modelled via a correction for the finite size of the hadrons. We investigate the sensitivity of the model…

Nuclear Theory · Physics 2015-06-03 A. Andronic , P. Braun-Munzinger , J. Stachel , M. Winn

In this work, we have studied the isothermal compressibility ($\kappa_T$) as a function of temperature, baryon chemical potential and centre-of-mass energy ($\sqrt{s_{NN}}$) using hadron resonance gas (HRG) and excluded-volume hadron…

High Energy Physics - Phenomenology · Physics 2019-08-07 Arvind Khuntia , Swatantra Kumar Tiwari , Pramod Sharma , Raghunath Sahoo , Tapan Kumar Nayak

Net-baryon, net-charge and net-strangeness number fluctuations in high energy heavy-ion collisions are discussed within the framework of a hadron resonance gas (HRG) model. Ratios of the conserved number susceptibilities calculated in HRG…

Nuclear Experiment · Physics 2015-06-15 P. Garg , D. K. Mishra , P. K. Netrakanti , B. Mohanty , A. K. Mohanty , B. K. Singh , N. Xu

Generalized mean-field approach for thermodynamic description of relativistic single- and multi-component gas in the grand canonical ensemble is formulated. In the framework of the proposed approach different phenomenological…

Nuclear Theory · Physics 2015-09-10 D. Anchishkin , V. Vovchenko

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 examine the stability of hadron resonance gas models by extending them to take care of undiscovered resonances through the Hagedorn formula. We find that the influence of unknown resonances on thermodynamics is large but bounded. Hadron…

High Energy Physics - Phenomenology · Physics 2010-04-29 S. Chatterjee , R. M. Godbole , Sourendu Gupta

We discuss the role of repulsive baryon-baryon interactions in a hadron gas using relativistic virial expansion and repulsive mean field approaches. The fluctuations of the baryon number as well as strangeness-baryon correlations are…

High Energy Physics - Phenomenology · Physics 2018-03-26 P. Huovinen , P. Petreczky

We study properties of neutral and charged mesons in strong magnetic fields |eB|>> Lambda_QCD^2 with Lambda_QCD being the QCD renormalization scale. Assuming long-range interactions, we examine magnetic-field dependences of various…

High Energy Physics - Phenomenology · Physics 2016-04-07 Koichi Hattori , Toru Kojo , Nan Su