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At the Relativistic Heavy Ion Collider (RHIC) collisions of heavy ions at nucleon-nucleon energies of 200 GeV appear to have created a new form of matter thought to be a deconfined state of the partons that ordinarily are bound in…

Nuclear Experiment · Physics 2010-05-12 M. J. Leitch

Understanding the hadronization of the quark-gluon plasma (QGP) remains a challenging problem in the study of strong-interaction matter as produced in ultrarelativistic heavy-ion collisions (URHICs). The large mass of heavy quarks renders…

Nuclear Theory · Physics 2020-02-05 Min He , Ralf Rapp

We present the evidences for the existence of a universal scaling behavior of the production of $\pi^0$ at all transverse momenta in heavy-ion collisions at all centralities and all collision energies. The corresponding scaling behavior of…

Nuclear Theory · Physics 2008-11-26 Rudolph C. Hwa , C. B. Yang

In the paper, the static and dynamic properties of the pion in the Bethe-Salpeter approach are considered. The rank-one separable kernel of the quark-antiquark interaction is used to solve the equation analytically. Multidimensional…

High Energy Physics - Phenomenology · Physics 2025-05-15 S. Bondarenko , M. Slautin

The energy densities achieved during central collisions of large nuclei at Brookhaven's AGS may be high enough to allow the formation of quark--gluon plasma. Calculations based on relativistic nucleation theory suggest that rare events,…

Nuclear Theory · Physics 2009-09-25 J. I. Kapusta , R. Venugopalan , A. P. Vischer

Heavy ion collisions in the low energy run at Relativistic Heavy Ion Collider (RHIC) and future Facility for Antiproton and Ion Research (FAIR) in Germany are expected to produce a quark-gluon plasma that has a finite baryon chemical…

Nuclear Theory · Physics 2011-03-07 Lie-Wen Chen , Che Ming Ko , Wei Liu , Ben-Wei Zhang

We study the multiplicity fluctuation and correlation of identified mesons and baryons formed at the hadronization by the quark combination mechanism in the context of ultra-relativistic heavy-ion collisions. Based on the statistical method…

Nuclear Theory · Physics 2017-12-18 Hai-hong Li , Feng-lan Shao , Jun Song

We review hadron formation from a deconfined quark gluon plasma (QGP) via coalescence or recombination of quarks and gluons. We discuss the abundant experimental evidence for coalescence from the Relativistic Heavy Ion Collider (RHIC) and…

Nuclear Theory · Physics 2009-01-01 Rainer J. Fries , Vincenzo Greco , Paul Sorensen

In the past decade the observation of cross section modification for leading hadrons, heavy flavor and two particle correlations in heavy ion collisions has provided important insights into the dynamics of parton propagation in dense…

High Energy Physics - Phenomenology · Physics 2015-06-23 Ivan Vitev

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 investigate the consequences of space-momentum correlations in quark phase-space distributions for coalescence processes at the hadronization transition. Thus far it has been proved difficult to reconcile such correlations with the…

High Energy Physics - Phenomenology · Physics 2009-06-12 L. Ravagli , H. van Hees , R. Rapp

We study the transition from hadronic matter to a mixed phase of quarks and hadrons at high baryon and isospin densities reached in heavy ion collisions. We focus our attention on the role played by the nucleon symmetry energy at high…

Nuclear Theory · Physics 2008-11-26 M. Di Toro , A. Drago , T. Gaitanos , V. Greco , A. Lavagno

At high energies a quark-gluon plasma is expected to be formed in heavy ion collisions at RHIC and LHC. The theoretical description of these processes is directly associated to a complete knowledge of the details of medium effects in the…

High Energy Physics - Phenomenology · Physics 2009-11-07 V. P. Goncalves , C. A. Bertulani

The Quark Gluon String Model (QGSM) reproduces well the global characteristics of the $pp$ collisions at RHIC and LHC, e.g., the pseudorapidity and transverse momenta distributions at different centralities. The main goal of this work is to…

High Energy Physics - Phenomenology · Physics 2015-05-28 M. S. Nilsson , L. V. Malinina , J. Bleibel , L. V. Bravina , E. E. Zabrodin

We study the production and dynamics of heavy quarks in the parton cascade model for relativistic heavy ion collisions. The model is motivated by the QCD parton picture and describes the dynamics of an ultra-relativistic heavy-ion collision…

Nuclear Theory · Physics 2018-01-03 Dinesh K. Srivastava , Steffen A. Bass , Rupa Chatterjee

We calculate the differential cross section for semi-inclusive pion production in electron proton reactions using a model where the physical quark fluctuates with some probability to quark plus pion. The kinematic regions for a…

High Energy Physics - Phenomenology · Physics 2014-11-17 S. Baumgärtner , H. J. Pirner , K. Königsmann , B. Povh

Within the framework of the dynamical recombination approach implemented in the partonic/hadronic quark Molecular Dynamics (qMD) model, we investigate numerous QGP signals constructed from the correlations and fluctuations of conserved…

High Energy Physics - Phenomenology · Physics 2008-03-20 Stephane Haussler , Marcus Bleicher , Horst Stoecker

$SU(N_c)$ colour-singlet restriction, along with flavour and spin symmetry, on thermal partonic ensemble is shown to recombine the partons with internal colour structure into colour-singlet multi-quark clusters which can be identified with…

High Energy Physics - Phenomenology · Physics 2009-12-14 Raktim Abir , Munshi G. Mustafa

Three-pion interferometry is investigated for new information on the space-time structure of the pion source created in ultra-relativistic heavy-ion collisions. The two- and three-pion correlations are numerically computed for incoherent…

Nuclear Theory · Physics 2009-10-31 Hiroki Nakamura , Ryoichi Seki

Quantum Chromodynamics is thought to be the relativistic quantum field theory that describes the strong interaction of the Standard Model. This interaction produces mesons but it is also able to generate quark-quark (diquark) correlations…

Nuclear Theory · Physics 2016-04-20 Jorge Segovia