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Related papers: Studying the 3+1D structure of the Glasma using th…

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In these proceedings, we report on our numerical lattice simulations of partons traversing the boost-invariant, non-perturbative glasma as created at the early stages of collisions at RHIC and LHC. Since these highly energetic partons are…

High Energy Physics - Phenomenology · Physics 2022-02-16 Andreas Ipp , David I. Müller , Daniel Schuh

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

We discuss results for n-gluon correlations that form the basis of the Glasma flux tube picture of early times in heavy ion collisions. Our formalism is valid to all orders in perturbation theory at leading logarithmic accuracy in x and…

High Energy Physics - Phenomenology · Physics 2009-11-18 Francois Gelis , Tuomas Lappi , Raju Venugopalan

Strong longitudinal color flux fields will be created in the initial stage of high-energy nuclear collisions. We investigate analytically time evolution of such boost-invariant color fields from Abelian-like initial conditions, and next…

High Energy Physics - Phenomenology · Physics 2011-05-05 H. Fujii , K. Itakura

We simulate the 3+1 D classical Yang-Mills dynamics of the collisions of longitudinally extended nuclei, described by eikonal color charges in the Color Glass Condensate framework. By varying the longitudinal thickness of the colliding…

High Energy Physics - Phenomenology · Physics 2021-02-26 Soeren Schlichting , Pragya Singh

The early stages of high energy heavy ion collisions are studied in the Color Glass Condensate framework, with a real-time classical lattice simulation. When increasing the coupling constant, we observe a rapid increase of the ratio of…

High Energy Physics - Phenomenology · Physics 2013-12-16 Thomas Epelbaum , Francois Gelis

We present an ab-initio approach to compute the longitudinal dependence of the initial state in heavy-ion collisions by including small-x evolution of the nuclear gluon distributions. Extending the IP-Glasma model by including JIMWLK…

High Energy Physics - Phenomenology · Physics 2018-03-14 Björn Schenke , Sören Schlichting

The early-time evolution of the system generated in ultra-relativistic heavy ion collisions is dominated by the presence of strong color fields known as Glasma fields. These can be described following the classical approach embodied in the…

High Energy Physics - Phenomenology · Physics 2019-09-04 Pablo Guerrero-Rodríguez

We compute initial conditions in heavy-ion collisions within the Color Glass Condensate (CGC) framework by combining the impact parameter dependent saturation model (IP-Sat) with the classical Yang-Mills description of initial Glasma…

Nuclear Theory · Physics 2012-06-20 Bjoern Schenke , Prithwish Tribedy , Raju Venugopalan

We compute three particle correlations in the Glasma flux tube model of high energy heavy ion collisions. We obtain a simple geometrical picture of these correlations; when convoluted with final state radial flow, it results in distinct…

Nuclear Theory · Physics 2009-08-17 Kevin Dusling , Daniel Fernandez-Fraile , Raju Venugopalan

Correlation measurements indicate that excess two particle correlations extend over causally disconnected rapidity ranges. Although, this enhancement is broad in relative rapidity $\eta=\eta_1 - \eta_2$, it is focused in a narrow region in…

Nuclear Theory · Physics 2009-11-03 George Moschelli , Sean Gavin

We apply the 3D glasma simulation method using Milne coordinates, proposed in our previous work [1], to the early stage of the Au-Au collisions at $\sqrt{s_{\rm NN}}=200$ GeV. The nucleus model prior to the collisions, which offers the…

High Energy Physics - Phenomenology · Physics 2024-09-26 Hidefumi Matsuda , Xu-Guang Huang

We investigate the consequences of long range rapidity correlations in the Glasma. Particles produced locally in the transverse plane are correlated by approximately boost invariant flux tubes of longitudinal color electric and magnetic…

High Energy Physics - Phenomenology · Physics 2010-11-11 Adrian Dumitru , Francois Gelis , Larry McLerran , Raju Venugopalan

We consider the SU(2) Glasma with gaussian fluctuations and study its evolution by means of classical Yang-Mills equations solved numerically on a lattice. Neglecting in this first study the longitudinal expansion we follow the evolution of…

Nuclear Theory · Physics 2018-04-18 M. Ruggieri , J. H. Liu , L. Oliva. G. X. Peng , V. Greco

We present an analytical calculation of the covariance of the energy-momentum tensor associated to the gluon field produced in ultra-relativistic heavy ion collisions at early times, the Glasma. This object involves the two-point and…

High Energy Physics - Phenomenology · Physics 2019-05-14 Javier L. Albacete , Pablo Guerrero-Rodríguez , Cyrille Marquet

The early dynamics in heavy-ion collisions involves a rapid, far from equilibrium evolution. This early pre-equilibrium stage of the dynamics can be modeled using kinetic equations. The effect of this pre-equilibrium stage on final…

Nuclear Theory · Physics 2023-04-05 Piotr Bozek

A system of gluon fields produced in the earliest phase of relativistic heavy-ion collisions, which is called `glasma', can be described in terms of classical fields. Initially there are chromoelectric and chromomagnetic fields along the…

High Energy Physics - Phenomenology · Physics 2023-12-19 Sylwia Bazak , Stanislaw Mrowczynski

We present a formulation of the initial state of heavy ion collisions that generalizes the 2+1D boost invariant IP-Glasma \cite{Schenke:2012wb} to 3+1D through JIMWLK rapidity evolution of the pre-collision Wilson lines. The rapidity…

Nuclear Theory · Physics 2021-02-03 Scott McDonald , Sangyong Jeon , Charles Gale

We explore the impact of strong classical color fields, which occur in the earliest stages of heavy-ion collisions and are known as the Glasma, on the classical transport of hard probes, namely heavy quarks and jets. To achieve this, we…

High Energy Physics - Phenomenology · Physics 2023-07-18 Dana Avramescu , Virgil Băran , Vincenzo Greco , Andreas Ipp , David. I. Müller , Marco Ruggieri

We investigate the effects of boost invariance breaking on the isotropization of pressure in the glasma, using the $3+1$D glasma simulation. The breaking is attributed to spatial fluctuations of the classical color charge density along the…

Plasma Physics · Physics 2024-03-01 Hidefumi Matsuda , Xu-Guang Huang