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We give a reminder on the major inputs of microscopic hadronic transport models and on the physics aims when describing various aspects of relativistic heavy ion collisions at SPS energies. We then first stress that the situation of…

Nuclear Theory · Physics 2009-11-07 Carsten Greiner

Recently, the ALICE Collaboration reported an enhancement of the yield ratio of strange and multi-strange hadrons to charged pions as a function of multiplicity at mid-rapidity in proton-proton, proton-lead, lead-lead, and xenon-xenon…

High Energy Physics - Phenomenology · Physics 2020-10-08 Luis A. Anchordoqui , Carlos Garcia Canal , Sergio J. Sciutto , Jorge F. Soriano

Particle production in p+p and central Pb+Pb collisions at LHC is discussed in the context of the statistical thermal model. For heavy-ion collisions, predictions of various particle ratios are presented. The sensitivity of several ratios…

High Energy Physics - Phenomenology · Physics 2009-09-30 I. Kraus , J. Cleymans , H. Oeschler , K. Redlich , S Wheaton

In late 2015, the ALICE collaboration recorded data from Pb--Pb collisions at the unprecedented energy of \sqrt{s_{\rm NN}}~5.02~TeV. The transverse-momentum ($p_{\rm T}$) spectra of pions, kaons and protons are presented. The evolution of…

Nuclear Experiment · Physics 2019-08-13 Nicolò Jacazio

A detailed study of chemical freeze-out in nucleus-nucleus collisions at beam energy 158A GeV is presented. By analyzing hadronic multiplicities within the statistical hadronization approach, the chemical equilibration of p-p, C-C, Si-Si…

Nuclear Theory · Physics 2009-11-10 Jaakko Manninen

Transverse Momentum, $p_T$, spectra is of prime importance in order to extract crucial information about the evolution dynamics of the system of particles produced in the collider experiments. In this work, the transverse momentum spectra…

High Energy Physics - Phenomenology · Physics 2022-08-30 Rohit Gupta , Satyajit Jena

Measurements of strange hadron (K0s, Lambda + anti-Lambda, and Xi+ + Xi-) transverse momentum spectra in pp, pPb, and PbPb collisions are presented over a wide range of rapidity and event charged-particle multiplicity. The data were…

Nuclear Experiment · Physics 2017-03-06 CMS Collaboration

We discuss the status of thermal model descriptions of particle ratios in central nucleus-nucleus collisions at ultra-relativistic energy. An alternative to the ``Cleymans-Redlich'' interpretation of the freeze-out trajectory is given in…

Nuclear Theory · Physics 2016-09-08 P. Braun-Munzinger , J. Stachel

The pt-spectra of hadrons measured at RHIC are very well described in a model which assumes that the chemical and thermal freeze-outs occur simultaneously. The model calculation includes all hadronic resonances and uses a simple…

Nuclear Theory · Physics 2007-05-23 Wojciech Florkowski , Wojciech Broniowski

Some of the modifications that a thermal medium, of the type generated in heavy ion collision experiments at the LHC, may impose on the properties of hadrons, are reviewed. The focus is on hadrons containing at least one heavy quark (charm…

High Energy Physics - Phenomenology · Physics 2011-08-31 M. Laine

An improved statistical model with excluded volume corrections and resonance decays is introduced and applied to the complete presently available set of particle ratios as measured by the various experiments at the SPS in Pb+Pb collisions.…

Nuclear Theory · Physics 2009-10-31 P. Braun-Munzinger , I. Heppe , J. Stachel

The transverse mass spectra of Omega, J/psi and psi' in Pb+Pb collisions at 158 AGeV are studied within a hydrodynamical model of the quark gluon plasma expansion and hadronization. The model reproduces the existing data with the common…

High Energy Physics - Phenomenology · Physics 2009-11-07 M. I. Gorenstein , K. A. Bugaev , M. Gazdzicki

Using a statistical model of multiparticle production by Chou, Yang and Yen, which looks similar to the thermal model and is known to account for the single particle distributions in e$^+$ e$^-$ collisions, we fit the rapidity and…

Nuclear Theory · Physics 2007-05-23 Kang Seog Lee

We study the production of charm mesons and other charm baryons from quark matter at CERN SPS and RHIC energies. Using quark coalescence models as hadronization mechanism, we predict particle ratios, absolute yields and transverse momentum…

Nuclear Theory · Physics 2008-11-26 P. Levai , T. S. Biro , P. Csizmadia , T. Csorgo , J. Zimanyi

We investigate the production of hadrons in nuclear collisions within the framework of the thermal (or statistical hadronization) model. We discuss both the ligh-quark hadrons as well as charmonium and provide predictions for the LHC…

Nuclear Theory · Physics 2015-05-28 A. Andronic , P. Braun-Munzinger , K. Redlich , J. Stachel

Within the relativistic mean-field framework with hadron masses and coupling constants dependent on the mean scalar field we study properties of nuclear matter at finite temperatures, baryon densities and isospin asymmetries relevant for…

Nuclear Theory · Physics 2022-10-12 K. A. Maslov , D. N. Voskresensky

We show that the transverse-mass and rapidity spectra of protons and pions produced in Au-Au collisions at sqrt(sNN) = 2.4 GeV can be well reproduced in a thermodynamic model assuming single freeze-out of particles from a spherically…

Nuclear Theory · Physics 2021-02-23 Sz. Harabasz , W. Florkowski , T. Galatyuk , M. Gumberidze , R. Ryblewski , P. Salabura , J. Stroth

Quark counting rules derived from recombination models agree well with data on hadron production at intermediate transverse momenta in relativistic heavy-ion collisions. They convey a simple picture of hadrons consisting only of valence…

Nuclear Theory · Physics 2008-11-26 B. Muller , R. J. Fries , S. A. Bass

A relativistic diffusion model with cylindrical symmetry, which propagates an initial state based on quantum chromodynamics in time towards a thermal equilibrium limit, is derived from nonequilibrium-statistical considerations: Adapting an…

High Energy Physics - Phenomenology · Physics 2024-03-29 Johannes Hoelck , Georg Wolschin

We calculate diffusion and hadronization of heavy quarks in high-energy heavy-ion collisions implementing the notion of a strongly coupled quark-gluon plasma in both micro- and macroscopic components. The diffusion process is simulated…

Nuclear Theory · Physics 2013-05-30 Min He , Rainer J. Fries , Ralf Rapp
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