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Transverse momentum spectra of pions, protons and antiprotons in Au+Au collisions at intermediate RHIC energy of $\sqrt{s_{NN}}=62$ GeV are studied in a model that includes both quark coalescence from the dense partonic matter and…

Nuclear Theory · Physics 2009-11-10 V. Greco , C. M. Ko , I. Vitev

Quark coalescence predictions for various multi-strange baryon to anti-baryon ratios for central Au+Au collisions at RHIC energies are compared to preliminary data of the STAR collaboration. The formation of Quark Matter and the sudden…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. Zimanyi , P. Levai , T. Csorgo , T. S. Biro

Recent experimental data support the presence of quark coalescence in heavy ion collisions at RHIC energies. Hadronization of quark matter and hadron formation in heavy ion collisions can be described by the coalescence process, and…

Nuclear Theory · Physics 2008-11-26 G. Hamar , L. L. Zhu , P. Csizmadia , P. Levai

Energy dependence of quark transverse flow carries information about dynamical properties (equation of state, initial conditions) of deconfined matter produced in heavy ion collisions. We assume quark-antiquark matter formation in Pb+Pb…

Nuclear Theory · Physics 2009-11-10 P. Csizmadia , P. Levai

We review the application and successes of a phase-space coalescence plus fragmentation model that has been applied for hadronization at RHIC. The physical concept is discussed together with the practical implementation. The robustness of…

Nuclear Theory · Physics 2008-11-26 V. Greco

Quark coalescence models have been applied successfully to reproduce measured hadron production data in relativistic heavy ion collisions at SPS and RHIC energies, which finding strongly supports the formation of deconfined quark matter in…

Nuclear Theory · Physics 2008-11-26 P. Levai

The mischievous linear coalescence approach to hadronization of quark matter is shown to violate strangeness conservation in strong interactions. The simplest correct quark counting is shown to coincide with the non-linear algebraic…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. Zimanyi , T. S. Biro , T. Csorgo , P. Levai

Based on an analysis in the framework of a coalescence hadronization model (ALCOR) we conclude that in heavy ion collisions at CERN SPS and RHIC energies a new type of matter, the massive quark-antiquark matter is produced.

High Energy Physics - Phenomenology · Physics 2014-11-17 J. Zimanyi , P. Levai , T. S. Biro

We study the production of charmed hadrons with the help of ALCOR_c, the algebraic coalescence model for rehadronisation of charmed quark matter. Mesonic ratios are introduced as factors connecting various antibaryon to baryon ratios. The…

High Energy Physics - Phenomenology · Physics 2008-11-26 P. Levai , T. S. Biro , T. Csorgo , J. Zimanyi

Transverse spectra are calculated for various types of hadrons stemming from Au Au collisions at $\sqrt{s}=200$ GeV. We utilize a quark recombination model based on generalized Boltzmann-Gibbs thermodynamics for local hadron production at…

High Energy Physics - Phenomenology · Physics 2010-05-25 K. Urmossy , T. S. Biro

Hadron multiplicities --- especially for strange particles --- are calculated in the framework of the algebraic coalescence rehadronization model (ALCOR), which counts for redistribution of quarks into hadrons for relativistic heavy-ion…

High Energy Physics - Phenomenology · Physics 2009-10-28 T. S. Biro , P. Levai , J. Zimanyi

Hadron multiplicities are calculated in the ALCOR model for the Pb+Pb collisions at CERN SPS energy. Considering the newest experimental results, we display our prediction obtained from the ALCOR model for stable hadrons including strange…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. Zimanyi , T. S. Biro , P. Levai

We employ the Boltzmann equation for describing hadron production from a quark-gluon plasma (QGP) in ultrarelativistic heavy-ion collisions. We propose resonance formation in quark-antiquark scattering as the dominant meson-production…

High Energy Physics - Phenomenology · Physics 2008-11-26 L. Ravagli , R. Rapp

We present new results on the statistical hadronization of heavy quarks at SPS, RHIC and LHC energies. Several new aspects are considered, among them a separation of the collision geometry into a ``core'' and a ``corona'' part and an…

Nuclear Theory · Physics 2008-11-26 A. Andronic , P. Braun-Munzinger , K. Redlich , J. Stachel

Using a covariant coalescence model, we study hadron production in relativistic heavy ion collisions from both soft partons in the quark-gluon plasma and hard partons in minijets. Including transverse flow of soft partons and independent…

Nuclear Theory · Physics 2009-11-10 V. Greco , C. M. Ko , P. Levai

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 study the charged particle and transverse energy production mechanism from AGS, SPS, RHIC to LHC energies in the framework of nucleon and quark participants. At RHIC and LHC energies, the number of nucleons-normalized charged particle…

High Energy Physics - Phenomenology · Physics 2014-05-01 Raghunath Sahoo , Aditya Nath Mishra

We consider the Nuclear Modification Ratios in heavy ion collisions, R_CP and R_AA, in the region of intermediate transverse momentum, and study the dependency upon the constituent quark composition of the observed hadron. Adopting a two…

High Energy Physics - Phenomenology · Physics 2008-11-26 L. Maiani , A. D. Polosa , V. Riquer , C. A. Salgado

A model for the production of quarkonium states in the midrapidity region at RHIC and LHC energy range is presented which explores well understood properties of QCD only. An increase of the quarkonium hadronisation time with the initial…

Nuclear Theory · Physics 2008-11-26 L. Gerland , L. Frankfurt , M. Strikman , H. Stöcker , W. Greiner

We apply a quark combination model to study yield densities and transverse momentum ($p_{T}$) spectra of strange (anti-)hadrons at mid-rapidity in central Au+Au collisions at $\sqrt{s_{NN}}=$ 7.7, 11.5, 19.6, 27, 39 and 200 GeV. We show…

Nuclear Theory · Physics 2021-03-31 Jun Song , Xiao-feng Wang , Hai-hong Li , Rui-qin Wang , Feng-lan Shao
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