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Related papers: Glasma Evolution in Partonic Medium

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Extremely large angular orbital momentum can be produced in non-central heavy-ion collisions, leading to a strong transverse polarization of partons that scatter through the quark-gluon plasma (QGP) due to spin-orbital coupling. We develop…

Nuclear Theory · Physics 2023-02-14 Xiaowen Li , Ze-Fang Jiang , Shanshan Cao , Jian Deng

We consider soft gluon evolution at the amplitude level to expose the structure of colour reconnection from a perturbative point of view. Considering the cluster hadronization model and an universal Ansatz for the soft anomalous dimension…

High Energy Physics - Phenomenology · Physics 2018-12-05 Stefan Gieseke , Patrick Kirchgaeßer , Simon Plätzer , Andrzej Siodmok

We present a possible scaling solution to pre-equilibrium evolution which interpolates between the instability present in the dense gluon system produced immediately after a heavy ion collision and the final equilibration which occurs…

High Energy Physics - Phenomenology · Physics 2009-11-11 A. H. Mueller , A. I. Shoshi , S. M. H. Wong

The spatial-temporal evolution of the purely transverse current filamentation instability is analyzed by deriving a single partial differential equation for the instability and obtaining the analytical solutions for the spatially and…

Plasma Physics · Physics 2015-06-24 V. B. Pathak , T. Grismayer , A. Stockem , R. A. Fonseca , L. O. Silva

We present the first experimental investigation of modulational instability in a layered Kerr medium. The particularly interesting and appealing feature of our configuration, consisting of alternating glass-air layers, is the…

Pattern Formation and Solitons · Physics 2009-11-11 Martin Centurion , Mason A. Porter , Ye Pu , P. G. Kevrekidis , D. J. Frantzeskakis , Demetri Psaltis

We study the phenomenological impact of the pre-equilibrium glasma initial stage of heavy-ion collisions on heavy quark azimuthal correlations and spectra. Using our numerical solver, we simulate the transport of heavy quark test particles…

High Energy Physics - Phenomenology · Physics 2025-05-01 Dana Avramescu , Vincenzo Greco , Tuomas Lappi , Heikki Mäntysaari , David Müller

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

In the Color Glass Condensate (CGC) effective field theory, colliding sheets of Colored Glass form a strongly interacting, non-equilibrium state called the Glasma. How Colored Glass shatters to form the Glasma, the properties of the Glasma,…

High Energy Physics - Phenomenology · Physics 2008-11-26 Francois Gelis , Raju Venugopalan

We investigate the space-time evolution of ultrarelativistic Au-Au collisions at full RHIC energy using a schematic model of the expansion. Assuming a thermally equilibrated system, we can adjust the essential scale parameters of this model…

High Energy Physics - Phenomenology · Physics 2009-11-10 Thorsten Renk

The the initial stage of a relativistic heavy ion collision can be described by a classical color field configuration known as the Glasma. The production of quark pairs from this background field is then computed nonperturbatively by…

High Energy Physics - Phenomenology · Physics 2007-05-23 T. Lappi

A system of chromodynamic fields, which can be treated as classical, is generated at the earliest stage of relativistic heavy-ion collisions. Numerical simulations show that the system is unstable but the nature of the instability is not…

High Energy Physics - Phenomenology · Physics 2022-08-19 Sylwia Bazak , Stanislaw Mrowczynski

Inspired by the recent considerations of parton momentum broadening in the glasma phase, we study the medium-induced soft gluon radiation of jet partons at early times in heavy-ion collisions. The glasma state is assumed to be comprised of…

High Energy Physics - Phenomenology · Physics 2024-06-13 João Barata , Sigtryggur Hauksson , Xoán Mayo López , Andrey V. Sadofyev

The impact of radiative processes on kinetic equilibration is studied via a radiative transport model. The 2 <-> 3 processes can significantly increase the level of thermalization. These processes lead to an approximate coupling constant…

Nuclear Theory · Physics 2010-08-31 Bin Zhang , Warner A. Wortman

We discuss forward-backward correlations in the mutliplicity of produced particles in heavy ion collisions. We find the Color Glass Condensate generates distinctive predictions for the long range component of this correlation. In…

High Energy Physics - Phenomenology · Physics 2008-11-26 Nestor Armesto , Larry McLerran , Carlos Pajares

The non-equilibrium evolution of heavy-ion collisions is studied in the limit of weak coupling at very high energy employing lattice simulations of the classical Yang-Mills equations. Performing the largest classical-statistical simulations…

High Energy Physics - Phenomenology · Physics 2014-04-23 J. Berges , K. Boguslavski , S. Schlichting , R. Venugopalan

We perform first classical-statistical real time lattice simulations of topological transitions in the non-equilibrium Glasma of weakly coupled but highly occupied gauge fields created immediately after the collision of ultra-relativistic…

High Energy Physics - Phenomenology · Physics 2016-05-04 M. Mace , S. Schlichting , R. Venugopalan

We investigate the space-time structure of the classical gluon field produced in an ultrarelativistic collision between color charges. The classical solution which was computed previously in a perturbative approach is shown to become…

Nuclear Theory · Physics 2008-11-26 S. G. Matinyan , B. Mueller , D. H. Rischke

We study the production and the equilibration of a non-Abelian $q\bar{q}$ plasma in an external chromoelectric field, by solving the Boltzmann equation with the non-Abelian features explicitly incorporated. We consider the gauge group…

High Energy Physics - Theory · Physics 2009-10-30 G. C. Nayak , V. Ravishankar

Recent results on particle production in hadronic collisions at the LHC, from proton-proton (pp) to nucleus-nucleus (AA), challenge the traditional paradigm of hadronization as a universal late-time process which can be factorized from the…

High Energy Physics - Phenomenology · Physics 2024-11-01 Andrea Beraudo

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