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Related papers: Relativistic Heavy--Ion Collisions in the Dynamica…

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This work presents a three-dimensional dynamical initialization model for relativistic heavy-ion collisions, implementing local energy-momentum conservation and baryon charge fluctuations at string junctions. Constraining parameters using…

Nuclear Theory · Physics 2022-06-22 Chun Shen , Björn Schenke

The dynamics of partons, hadrons and strings in relativistic nucleus-nucleus collisions is analyzed within the novel Parton-Hadron-String Dynamics (PHSD) transport approach, which is based on a dynamical quasiparticle model for partons…

Nuclear Theory · Physics 2015-05-28 E. L. Bratkovskaya , W. Cassing , V. P. Konchakovski , O. Linnyk , V. Ozvenchuk , V. Voronyuk

To study heavy ion collisions at energies available from the Relativistic Heavy Ion Collider, we have developed a multi-phase transport model that includes both initial partonic and final hadronic interactions. Specifically, the parton…

Nuclear Theory · Physics 2009-10-31 Bin Zhang , C. M. Ko , Bao-An Li , Ziwei Lin

The hydrodynamic (hydro) model has been extensively applied to heavy ion data from the relativistic heavy ion collider (RHIC). Results are interpreted to conclude that a dense QCD medium nearly opaque to most partons, a strongly-coupled…

High Energy Physics - Phenomenology · Physics 2011-04-08 Thomas A. Trainor

A short review of simulation results of anti-proton-proton and anti-proton-nucleus interactions within the framework of Geant4 FTF (Fritiof) model is presented. The model uses the main assumptions of the Quark-Gluon-String Model or Dual…

Nuclear Theory · Physics 2016-10-31 A. Galoyan , A. Ribon , V. Uzhinsky

Soft processes in pp and AA interactions are considered in the framework of phenomenological model with color strings formation and fusion. Elementary parton collisions are realized in the model as the interaction of two colour dipoles from…

Nuclear Theory · Physics 2022-09-21 Vladimir Kovalenko , Vladimir Vechernin

We investigate the space-time picture of string evolution and hadron production in a fully string-based model for high energy collisions involving heavy ions. We find that although the density strings is quite large at the time of…

High Energy Physics - Phenomenology · Physics 2023-06-21 Smita Chakraborty , Leif Lönnblad

To analyse ultrarelativistic nuclear interactions, usually either dynamical models like the string model are employed, or a thermal treatment based on hadrons or quarks is applied. String models encounter problems due to high string…

Nuclear Theory · Physics 2016-09-08 Klaus WERNER , Joerg AICHELIN

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 propose a new criterium for saturation of the density of partons both in nucleons and nuclei. It is applicable to any multiple scattering model which would be used to compute the number of strings exchanged in $ep$ and $eA$ collisions.…

High Energy Physics - Phenomenology · Physics 2009-10-31 N. Armesto , C. A. Salgado

The hadron inclusive spectra in pp collisions at high energies are analyzed within a soft QCD model, namely the quark-gluon string model. In addition to the sea quark distribution in the incoming proton we consider also the unintegrated…

High Energy Physics - Phenomenology · Physics 2015-03-17 V. A. Bednyakov , G. I. Lykasov , M. G. Poghosyan

We propose a QCD based many-body model for the nucleus where the strong coupling regime is controlled by a three body string force and the weak coupling regime is dominated by a pairing force. This model operates effectively with a…

Nuclear Theory · Physics 2009-11-10 Henrik Bohr , Constanca Providencia , Joao da Providencia

We present the basic ideas of the Parton-Hadron-String Dynamics (PHSD) transport approach which is a microscopic covariant dynamical model for strongly interacting systems formulated on the basis of Kadanoff-Baym equations for Green's…

Nuclear Theory · Physics 2019-08-02 E. L. Bratkovskaya , W. Cassing , P. Moreau , L. Oliva , O. E. Soloveva , T. Song

A new generation of (unpolarized) dynamical parton distribution functions of the nucleon is determined. After introducing basic elements of perturbative QCD, the dynamical model is discussed and compared with the approach to parton…

High Energy Physics - Phenomenology · Physics 2016-09-08 Pedro Jiménez Delgado

Quantum Chromodynamics (QCD), the generally accepted theory for the strong interactions, describes the interactions between quarks and gluons. The strongly interacting particles that are seen in nature are hadrons, which are composites of…

High Energy Physics - Phenomenology · Physics 2018-02-14 Stephen Lars Olsen , Tomasz Skwarnicki , Daria Zieminska

QCD strings originate from high-energy scattering in the form of Reggeons and Pomerons, and have been studied in some detail in lattice numerical simulations. Production of multiple strings, with their subsequent breaking, is now a…

High Energy Physics - Phenomenology · Physics 2015-08-05 Ioannis Iatrakis , Adith Ramamurti , Edward Shuryak

An up-to-date global QCD analysis of high energy lepton-hadron and hadron-hadron interactions is performed to better determine the gluon and quark parton distributions in the nucleon. Improved experimental data on inclusive jet production,…

High Energy Physics - Phenomenology · Physics 2008-11-26 H. L. Lai , J. Huston , S. Kuhlmann , J. Morfin , F. Olness , J. F. Owens , J. Pumplin , W. K. Tung

We report measurements of forward jets produced in Cu+Au collisions at $\sqrt{s_{NN}}=200$ GeV at the Relativistic Heavy Ion Collider. The jet-energy distributions extend to energies much larger than expected by Feynman scaling. This…

Using the string melting version of a multiphase transport model, we focus on the evolution of thermodynamic properties of the central cell of parton matter produced in Au$+$Au collisions ranging from 200 GeV down to 2.7 GeV. The…

Nuclear Theory · Physics 2022-04-01 Han-Sheng Wang , Guo-Liang Ma , Zi-Wei Lin , Wei-jie Fu

The process of baryon number transfer due to string junction propagation in rapidity space is considered. It leads to a significant effect in the net baryon production in pA collisions at mid-rapidities and an even more significant effect…

High Energy Physics - Phenomenology · Physics 2012-07-30 F. W. Bopp , Yu. M. Shabelski