English
Related papers

Related papers: Chemical freeze-out parameters of net-kaons in hea…

200 papers

This work investigates the thermo-chemical freeze-out condition of the multi-component hot and dense hadron resonance gas (HRG) formed in the ultra-relativistic nucleus-nucleus collisions (URNNC). The van der Waals (VDW) type model used in…

High Energy Physics - Phenomenology · Physics 2024-12-16 Iqbal Mohi Ud Din , Sameer Ahmad Mir , Nasir Ahmad Rather , Saeed Uddin , Rameez Ahmad Parra

Using an analytical parameterization of hadronic freeze-out in relativistic heavy ion collisions, we present a detailed study of the connections between features of the freeze-out configuration and physical observables. We focus especially…

Nuclear Theory · Physics 2009-11-10 Fabrice Retiere , Mike Lisa

One surprising result in relativistic heavy-ion collisions is that the abundance of various particles measured in experiments is consistent with the picture that they reach chemical equilibrium at a temperature much higher than the…

Nuclear Theory · Physics 2017-07-06 Jun Xu , Che Ming Ko

We present calculations of the chemical freeze-out temperature (T_ch) based on particle yields from STAR and ALICE measured at collision energies ranging from sqrt{s_{NN}} = 11.5 GeV to 5.02 TeV. Employing the Grand Canonical Ensemble…

Nuclear Experiment · Physics 2021-01-27 Fernando Antonio Flor , Gabrielle Olinger , Rene Bellwied

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

In this study, the chemical freeze-out of hadrons, including light-and strange-flavor particles and light nuclei, produced in Au+Au collisions at the Relativistic Heavy Ion Collider (RHIC), was investigated. Using the thermal-FIST…

Nuclear Theory · Physics 2025-02-27 Ning Yu , Zuman Zhang , Hongge Xu , Minxuan Song

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 compare the statistical thermodynamics of hadron resonance gas with recent LGT results at finite chemical potential. We argue that for $T\leq T_c$ the equation of state derived from Monte--Carlo simulations of two quark--flavor QCD at…

High Energy Physics - Phenomenology · Physics 2016-09-06 Krzysztof Redlich

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

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

We study the production of light nuclei in Au+Au collisions at $\sqrt{s_\mathrm{NN}}$ = 7.7 - 200 GeV and Pb+Pb collisions at $\sqrt{s_\mathrm{NN}}$ = 2.76 and 5.02 TeV within a flavour-dependent freeze-out framework, assuming different…

High Energy Physics - Phenomenology · Physics 2025-10-02 Rishabh Sharma , Fernando Antonio Flor , Sibaram Behera , Chitrasen Jena , Helen Caines

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 chemical freeze-out curve in heavy-ion collisions is investigated in the context of a quantum chromodynamics (QCD) critical point (CP) search at finite baryon densities. Taking the hadron resonance gas picture at face value, chemical…

Nuclear Theory · Physics 2025-05-08 Artemiy Lysenko , Mark I. Gorenstein , Roman Poberezhniuk , Volodymyr Vovchenko

We calculate the quadratic fluctuations of net baryon number, electric charge and strangeness as well as correlations among these conserved charges in (2+1)-flavor lattice QCD at zero chemical potential. Results are obtained using…

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 propose an elaborate version of the hadron resonance gas model with the combined treatment of separate chemical freeze-outs for strange and non-strange hadrons and with an additional \gamma_{s} factor which accounts for the remaining…

High Energy Physics - Phenomenology · Physics 2013-12-19 K. A. Bugaev , D. R. Oliinychenko , V. V. Sagun , A. I. Ivanytskyi , J. Cleymans , E. G. Nikonov , G. M. Zinovjev

Fluctuation measurements of hadron yields at heavy-ion collisions can reproduce the phase transition parameters of QCD matter. The fluctuation results produce accurate parameters near zero baryonic chemical potential($\mu_B$) being very…

Nuclear Theory · Physics 2020-10-20 Sayan Mitra

In this report, we discuss the measurement of the hadronic decay modes of resonances in relativistic heavy-ion collisions, emphasizing on RHIC results. The study of resonances can provide: (1) the yield and spectra of more particles with…

Nuclear Experiment · Physics 2011-08-11 Zhangbu Xu

The D-measure of net-charge fluctuations quantifies the variance of net charge in strongly interacting matter. It was introduced over 20 years ago as a potential signal of quark-gluon plasma (QGP) in heavy-ion collisions, where it is…

High Energy Physics - Phenomenology · Physics 2025-12-10 Jonathan Parra , Roman Poberezhniuk , Volker Koch , Claudia Ratti , Volodymyr Vovchenko

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