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Related papers: Validity of the Hadronic Freeze-Out Curve

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We analyze hadrochemical freeze-out in central Pb+Pb collisions at CERN SPS energies, employing the hybrid version of the Ultrarelativistic Quantum Molecular Dynamics model, which describes the transition from a hydrodynamic stage to…

We analyze hadrochemical freeze-out in central Pb+Pb collisions at CERN SPS and LHC energies. Employing the UrQMD hybrid transport model we study the effects of the final hadron/resonance expansion phase on the hadron multiplicities…

Nuclear Theory · Physics 2013-06-19 R. Stock , F. Becattini , M. Bleicher , T. Kollegger , T. Schuster , J. Steinheimer

We analyze hadrochemical freeze-out in central Pb+Pb collisions at CERN SPS and LHC energies. We determine the effects of baryon and antibaryon annihilation and/or regeneration occurring during the final cascade expansion stage of the…

Ideally, the Statistical Hadronization Model (SHM) freeze-out curve should reveal the QCD parton-hadron phase transformation line in the ($T$,$\mu_B$) plane. We discuss the effects of various final state interaction phenomena, like…

High Energy Physics - Phenomenology · Physics 2017-12-12 Francesco Becattini , Marcus Bleicher , Jan Steinheimer , Reinhard Stock

We investigate chemical and thermal freeze-out time dependencies for strange particle production for CERN SPS heavy ion collisions in the framework of a dynamical hadronic transport code. We show that the Lambda yield changes considerably…

High Energy Physics - Phenomenology · Physics 2009-10-31 R. Bellwied , H. Caines , T. J. Humanic

Estimation of the freeze-out parameters as the function of rapidity in Pb+Pb collisions at $\sqrt{s_{NN}}=72$ GeV in the AFTER@LHC project is performed. The conventional hadron resonance gas model is used for the analysis of the events…

Nuclear Theory · Physics 2018-09-19 Viktor Begun , Daniel Kikoła , Volodymyr Vovchenko , Daniel Wielanek

New results of the NA61/SHINE Collaboration at the CERN SPS on mean hadron multiplicities in proton-proton (p+p) interactions are analyzed within the transport models and the hadron resonance gas (HRG) statistical model. The chemical…

Nuclear Theory · Physics 2016-07-07 V. Vovchenko , V. V. Begun , M. I. Gorenstein

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 analyze the relative yields of different bottomonia and charmonia states produced in Pb-Pb, p-Pb and high multiplicity p-p collisions at LHC, within a semi-classical grand canonical ensemble approach. The underlying assumption is the…

High Energy Physics - Phenomenology · Physics 2023-06-28 Deekshit Kumar , Nachiketa Sarkar , Partha Pratim Bhaduri , Amaresh Jaiswal

A QCD phase transition may reflect in a inhomogeneous decoupling surface of hadrons produced in relativistic heavy-ion collisions. We show that due to the non-linear dependence of the particle densities on the temperature and…

Nuclear Theory · Physics 2009-11-11 A. Dumitru , L. Portugal , D. Zschiesche

The single-freeze-out model with parametrized hypersurface and flow geometry is employed to analyze the transverse-momentum spectra of hadrons produced in the Pb+Pb collisions at the collision energy of {$\sqrt{s_{\rm NN}}=2.76$ TeV} at the…

Nuclear Theory · Physics 2014-03-03 Maciej Rybczyński , Wojciech Florkowski , Wojciech Broniowski

We investigate hadronic species freeze-out systematics in A+A collisions at low SPS energies, corresponding to a baryochemical potential above 300 MeV, analyzing NA49 hadron production data in the framework of the statistical hadronization…

Recent data on hadron multiplicities in central Pb+Pb collisions at 158A GeV/c at mid-rapidity are analyzed within the concept of chemical freeze-out. A non-uniformity of the baryon chemical potential along the beam axis is taken into…

Nuclear Theory · Physics 2010-04-05 S. V. Akkelin , P. Braun-Munzinger , Yu. M. Sinyukov

We present the status of the chemical freeze-out, determined from fits of hadron yields with the statistical hadronization (thermal) model, with focus on the data at the LHC. A description of the yields of hadrons containing light quarks as…

Nuclear Theory · Physics 2017-03-08 A. Andronic , P. Braun-Munzinger , K. Redlich , J. Stachel

We present an analysis of hadronic multiplicities measured in Pb-Pb collisions at \sqrt s_{NN} = 2.76 TeV as a function of the collision centrality within the statistical hadronization model. Evidence is found of a dependence of the…

Nuclear Theory · Physics 2014-11-19 F. Becattini , M. Bleicher , E. Grossi , J. Steinheimer , R. Stock

I)The production of multiple strange baryons in pp interactions is studied. Here on can directly probe the microscopic decay of color flux tubes, allowing to differentiate between different string models and a statistical description of the…

High Energy Physics - Phenomenology · Physics 2009-11-07 Marcus Bleicher

A selection of recent data referring to Pb+Pb collisions at the SPS CERN energy of 158 GeV per nucleon is presented which might describe the state of highly excited strongly interacting matter both above and below the deconfinement to…

High Energy Physics - Phenomenology · Physics 2009-10-31 Reinhard Stock

The systematic uncertainties of chemical freeze-out fits at SIS100 energies (Au+Au reactions at $\sqrt{s_{NN}}=3-5$ GeV) are studied using UrQMD simulations. Although hadron production in UrQMD does not occur on a sharp chemical freeze-out…

We present a detailed study of chemical freeze-out in p-p, C-C, Si-Si and Pb-Pb collisions at beam momenta of 158A GeV as well as Pb-Pb collisions at beam momenta of 20A, 30A, 40A and 80A GeV. By analyzing hadronic multiplicities within the…

High Energy Physics - Phenomenology · Physics 2009-11-11 F. Becattini , J. Manninen , M. Gazdzicki

An alternative, to the commonly used blast-wave, model describing the freeze-out hypersurface is applied to fit the $p_{T}$-spectra of identified hadrons measured at relativistic heavy-ion collisions at $\sqrt{s_{NN}}=62.4, 130$ and 200…

Nuclear Theory · Physics 2014-11-18 Dariusz Prorok
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