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Related papers: Thermal Recombination: Beyond the Valence Quark Ap…

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We develop a set of coupled Boltzmann equations to describe the dynamical evolution of heavy quarks and quarkonia inside the quark-gluon plasma. The quarkonium dissociation and recombination terms are calculated from pNRQCD. Their interplay…

Nuclear Theory · Physics 2019-01-23 Xiaojun Yao , Weiyao Ke , Yingru Xu , Steffen Bass , Berndt Müller

The description of hadron production in relativistic heavy-ion collisions in the statistical hadronization model is very good, over a broad range of collision energy. We outline this both for the light (u, d, s) and heavy (charm) quarks and…

Nuclear Theory · Physics 2021-01-15 A. Andronic , P. Braun-Munzinger , K. Redlich , J. Stachel

The recent status of hard thermal photon production in relativistic heavy ion collisions is reviewed and the current rates are presented with emphasis on corrected bremsstrahlung processes in the quark-gluon plasma (QGP) and quark-hadron…

High Energy Physics - Phenomenology · Physics 2008-11-26 Frank D. Steffen , Markus H. Thoma

We discuss how the dynamics of the evolving hot fireball of quark--gluon matter impacts phase transition between the deconfined and confined state of matter. The rapid expansion of the fireball of deconfined matter created in heavy ion…

High Energy Physics - Phenomenology · Physics 2009-11-11 Johann Rafelski , Jean Letessier

The collective behaviour of hadronic particles has been observed in high multiplicity proton-lead collisions at the Large Hadron Collider (LHC), as well as in deuteron-gold collisions at the Relativistic Heavy-Ion Collider (RHIC). In this…

Nuclear Theory · Physics 2016-02-24 C. Shen , J. -F. Paquet , G. S. Denicol , S. Jeon , C. Gale

Whether Quantum Chromodynamics (QCD) exhibits a phase transition at finite temperature and density is an open question. It is important for hydrodynamic modeling of heavy ion collisions and neutron star mergers. Lattice QCD simulations have…

Nuclear Theory · Physics 2022-10-19 J. I. Kapusta , T. Welle

Heavy-ion collisions at the LHC provide the conditions to investigate regions of quark-gluon plasma that reach higher temperatures and that persist for longer periods of time compared to collisions at the Relativistic Heavy Ion Collider.…

Nuclear Theory · Physics 2021-08-04 Scott Pratt , Christopher Plumberg

Based on the quark coalescence model for the parton-to-hadron phase transition in ultra-relativistic heavy ion collisions, we relate the elliptic flow ($v_2$) of high $\pt$ hadrons to that of high $\pt$ quarks. For high $\pt$ hadrons…

Nuclear Theory · Physics 2016-09-08 Zi-wei Lin , C. M. Ko

Preliminary data from the Beam-Energy Scan II measurements by the STAR Collaboration at the Relativistic Heavy Ion Collider suggest a dip in the fourth-to-second-order cumulant ratio when plotted vs. beam energy. At the same energy range…

High Energy Physics - Phenomenology · Physics 2024-07-30 Oleh Savchuk

We revisit the problem of quark production in high energy heavy ion collisions, at leading order in $\alpha_s$ in the color glass condensate framework. In this first paper, we setup the formalism and express the quark spectrum in terms of a…

High Energy Physics - Phenomenology · Physics 2016-03-23 F. Gelis , N. Tanji

In high-energy heavy-ion collisions, a nearly perfect fluid is formed, known as the strongly coupled quark-gluon plasma (QGP). After a short thermalization period, the evolution of this medium can be described by the equations of…

High Energy Physics - Phenomenology · Physics 2026-04-10 Gábor László Kasza

Discriminating hadronic molecular and multi-quark states is a long standing problem in hadronic physics. We propose here to utilize relativistic heavy ion collisions to resolve this problem, as exotic hadron yields are expected to be…

Heavy-flavor hadrons produced in ultra-relativistic heavy-ion collisions are a sensitive probe for studying hadronization mechanisms of the quark-gluon-plasma. In this work, we survey how different transport models for the simulation of…

Merging binaries of neutron stars are not only strong sources of gravitational waves, but also have the potential of revealing states of matter at densities and temperatures not accessible in laboratories. A crucial and long-standing…

High Energy Astrophysical Phenomena · Physics 2019-02-20 Elias R. Most , L. Jens Papenfort , Veronica Dexheimer , Matthias Hanauske , Stefan Schramm , Horst Stöcker , Luciano Rezzolla

We present an analysis of $\Omega$, $\Xi$, $\Lambda$ and $\phi$ spectra from Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV in terms of distributions of effective constituent quarks at hadronization. Consistency in quark ratios derived from…

Nuclear Theory · Physics 2008-11-26 J. H. Chen , F. Jin , D. Gangadharan , X. Z. Cai , H. Z. Huang , Y. G. Ma

We consider the production of a pair of heavy quarks ($Q{\bar Q}$) in hadronic collisions. When the transverse momentum $q_T$ of the heavy-quark pair is much smaller than its invariant mass, the QCD perturbative expansion is affected by…

High Energy Physics - Phenomenology · Physics 2015-06-22 S. Catani , M. Grazzini , A. Torre

Nonequilibrium models (three-fluid hydrodynamics, UrQMD, and quark molecular dynamics) are used to discuss the uniqueness of often proposed experimental signatures for quark matter formation in relativistic heavy ion collisions from the SPS…

We present recent results of hadron spectroscopy and hadron-hadron interaction from the perspective of constituent quark models. We pay special attention to the role played by higher order Fock space components in the hadron spectra and the…

High Energy Physics - Phenomenology · Physics 2015-06-12 J. Vijande , A. Valcarce , T. F. Caramés , H. Garcilazo

We present a model of fast hadronization of constituent quark matter in relativistic heavy ion collisions based on rate equations and capture cross sections in non-relativistic potential. We utilize a thermodynamically consistent approach…

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

We review the current status of recombination and coalescence models that have been successfully applied to describe hadronization in heavy ion collisions at RHIC energies. Basic concepts as well as actual implementations of the idea are…

Nuclear Theory · Physics 2009-11-10 R. J. Fries
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