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The hadronization scheme for parton transport in relativistic heavy ion collisions is considered in detail. It is pointed out that the traditional scheme for particles being freezed out one by one leads to serious problem on unreasonable…

Nuclear Theory · Physics 2009-11-11 Yu Meiling , Du Jiaxin , Liu Lianshou

The elliptic flow in heavy ion collisions at RHIC is studied in a multiphase transport model. By converting the strings in the high energy density regions into partons, we find that the final elliptic flow is sensitive to the parton…

Nuclear Theory · Physics 2009-11-07 Zi-wei Lin , C. M. Ko

The study of multiparticle correlations and collectivity in the hot and dense matter created in collisions of heavy-ions as well as those of smaller systems such as proton--heavy-ion collisions has progressed to the point where detailed…

High Energy Physics - Phenomenology · Physics 2018-01-31 K. Dusling , M. Mace , R. Venugopalan

Deeply inelastic scattering of electrons off nuclei can determine whether parton distributions saturate at HERA energies. If so, this phenomenon will also tell us a great deal about how particles are produced, and whether they equilibrate,…

High Energy Physics - Phenomenology · Physics 2007-05-23 Raju Venugopalan

We extrapolate the first moments of the generalized parton distributions using heavy baryon chiral perturbation theory. The calculation is based on the one loop level with the finite range regularization. The description of the lattice data…

High Energy Physics - Phenomenology · Physics 2014-11-20 P. Wang , A. W. Thomas

We argue that the emission of hadrons with transverse momentum up to about 5 GeV/c in central relativistic heavy ion collisions is dominated by recombination, rather than fragmentation of partons. This mechanism provides a natural…

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

The rapidity dependent directed flow of particles produced in a relativistic heavy ion collision can be generated in the hydrodynamic expansion of a tilted source. The asymmetry of the pressure leads to a build up of a directed flow of…

Nuclear Theory · Physics 2023-01-11 Piotr Bozek

We review recent calculations of the probability that a hard parton radiates an additional energy fraction due to scattering in spatially extended matter, and we discuss their application to the suppression of leading hadron spectra in…

High Energy Physics - Phenomenology · Physics 2017-08-23 Urs Achim Wiedemann

The possibility of quantum entanglement leading to a seemingly thermal distribution of the initial partonic state that maps to the final hadronic state in the evolution of the deconfined phase generated in relativistic heavy ion collisions…

Nuclear Theory · Physics 2022-01-26 Rene Bellwied

The production and thermalization of partons liberated in relativistic heavy ioncollisions is investigated within the parton cascade model. The momentum distribution of the partons near z=0 is found to become isotropic beyond about 1 fm/c…

Nuclear Theory · Physics 2016-08-15 Dinesh Kumar Srivastava

The short parton production phase in high-energy heavy-ion collisions is treated analytically as a nonlinear diffusion process. The initial buildup of the rapidity density distributions of produced charged hadrons within tau_p = 0.25 fm/c…

High Energy Physics - Phenomenology · Physics 2009-06-10 Georg Wolschin

Perturbative QCD-based models of parton production and equilibration in ultrarelativistic heavy ion collisions are reviewed with an emphasis on the treatment of quantum interference effects. Uncertainties in the initial parton production…

High Energy Physics - Phenomenology · Physics 2014-11-17 Xin-Nian Wang

Using the general framework of quantum field kinetics we consider new principles to compute initial distribution of quarks and gluons after the first hard interaction of heavy ions. We start by rewriting the integral equations of QCD in the…

High Energy Physics - Phenomenology · Physics 2010-03-25 A. Makhlin

We review recent progress in the study of parton propagation, interaction and fragmentation in both cold and hot strongly interacting matter. Experimental highlights on high-energy hadron production in deep inelastic lepton-nucleus…

Multi-parton interactions are a fascinating phenomenon that occur in almost every high-energy hadron--hadron collision, yet are remarkably difficult to study quantitatively. In this letter we present a strategy to optimally disentangle…

High Energy Physics - Phenomenology · Physics 2024-05-20 Jeppe R. Andersen , Pier Francesco Monni , Luca Rottoli , Gavin P. Salam , Alba Soto-Ontoso

An essential prerequisite for quark-gluon plasma production in nuclear collisions is cross-talk between the partons from different nucleons in the colliding nuclei. The initial density of partons is determined by the parton distribution…

High Energy Physics - Phenomenology · Physics 2007-05-23 H. Satz

Via the study of strange particle production within the STAR experiment, we try to address the surprising amount of baryon transport at the Relativistic Heavy Ion Collider (RHIC). We report here preliminary results showing that, at…

Nuclear Experiment · Physics 2019-08-14 B. Hippolyte

In proton-proton collisions there is a smooth transition between the regime of double parton scattering, initiated by two pairs of partons at a large relative distance, and the regime where a single parton splits into a parton pair in one…

High Energy Physics - Phenomenology · Physics 2016-03-18 Markus Diehl , Jonathan R. Gaunt

Evolution of anisotropy in momentum and coordinate space of the parton system produced in relativistic heavy-ion collisions is discussed within the free-streaming approximation. The momentum distribution evolves from the prolate shape -…

Nuclear Theory · Physics 2008-11-26 Weronika Jas , Stanislaw Mrowczynski

A parton-hadron cascade model which is the extension of hadronic cascade model incorporating hard partonic scattering based on HIJING is presented to describe the space-time evolution of parton/hadron system produced by ultra-relativistic…

Nuclear Theory · Physics 2009-10-31 Yasushi Nara