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A possibility is discussed for experimental testing of the dark matter model supported by a classic non-Abelian SU(3) gauge (Yang-Mills) field. Our approach is based on the analysis of the motion of color-charged particles on the background…

General Relativity and Quantum Cosmology · Physics 2019-01-23 V. Dzhunushaliev , V. Folomeev , N. Protsenko

We introduce an effort to catalog the gauge-invariant interactions of Standard Model (SM) particles and new fields in a variety of representations of the SM color gauge group $\text{SU}(3)_{\text{c}}$. In this first installment, we direct…

High Energy Physics - Phenomenology · Physics 2022-09-09 Linda M. Carpenter , Taylor Murphy , Tim M. P. Tait

We derive equations for the time evolution of the reduced density matrix of a collection of heavy quarks and antiquarks immersed in a quark gluon plasma. These equations, in their original form, rely on two approximations: the weak coupling…

High Energy Physics - Phenomenology · Physics 2018-07-04 Jean-Paul Blaizot , Miguel Angel Escobedo

Axial charge production at the early stage of heavy-ion collisions is investigated within the framework of real-time lattice simulations at leading order in QCD coupling. Starting from color glass condensate initial conditions, the time…

High Energy Physics - Phenomenology · Physics 2018-07-20 Naoto Tanji

The early time dynamics of heavy ion collisions can be described by classical fields in an approximation of Quantum ChromoDynamics (QCD) called Color Glass Condensate (CGC). Monte-Carlo sampling of the color charge for the incoming nuclei…

Nuclear Theory · Physics 2017-05-24 Steven Rose , Rainer J. Fries

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 develop the formalism discussed previously in hep-ph/0601209 and hep-ph/0605246 to construct a kinetic theory that provides insight into the earliest ``Glasma'' stage of a high energy heavy ion collision. Particles produced from the…

High Energy Physics - Phenomenology · Physics 2009-03-12 F. Gelis , S. Jeon , R. Venugopalan

We propose a new numerical method for $3+1$D glasma simulation using Milne coordinates. We formulate the classical Yang-Mills field and $3$D classical color current on a lattice at the initial proper time, specified as a moment just before…

High Energy Physics - Phenomenology · Physics 2023-09-11 Hidefumi Matsuda , Xu-Guang Huang

We compute nonequilibrium dynamics of plasma instabilities in classical-statistical lattice gauge theory in 3+1 dimensions. The simulations are done for the first time for the SU(3) gauge group relevant for quantum chromodynamics. We find a…

High Energy Physics - Phenomenology · Physics 2010-04-15 J. Berges , D. Gelfand , S. Scheffler , D. Sexty

The quark gluon plasma (QGP) is one of the most interesting forms of matter providing us with insight on quantum chromodynamics (QCD) and the early universe. It is believed that the heavy-ion collision experiments at the Relativistic Heavy…

Nuclear Theory · Physics 2022-08-01 Wenkai Fan

In heavy ion collisions, transverse momentum broadening quantifies the modification of a hard probe due to interactions with the quark-gluon plasma (QGP). We calculate momentum broadening in the Glasma, which is the highly non-isotropic…

High Energy Physics - Phenomenology · Physics 2020-10-14 Andreas Ipp , David I. Müller , Daniel Schuh

Initial states of glasma in high energy heavy ion collisions are longitudinal classical color electric and magnetic fields. Assuming finite color electric conductivity, we show that the color electric field decays by quark pair production…

High Energy Physics - Phenomenology · Physics 2015-05-28 Aiichi Iwazaki

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 study the classical color radiation from very high energy collisions that produce colored particles. In the extreme high energy limit, the classical color fields are confined to a light-shell expanding at $c$ and are associated with a…

High Energy Physics - Phenomenology · Physics 2016-03-01 Howard Georgi , Greg Kestin , Aqil Sajjad

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

The non-equilibrium early time evolution of an ultra-relativistic heavy ion collision is often described by classical lattice Yang-Mills theory, starting from the colour glass condensate (CGC) effective theory with an anisotropic energy…

High Energy Physics - Lattice · Physics 2019-05-01 Owe Philipsen , Björn Wagenbach , Savvas Zafeiropoulos

Jets are important probes of heavy ion collisions as they can provide information on the interaction of a highly energetic parton with the medium it traverses. In the hydrodynamic stage of dense, strongly interacting matter, these…

High Energy Physics - Phenomenology · Physics 2020-10-01 Andreas Ipp , David I. Müller , Daniel Schuh

Among quantities playing a central role in the theoretical interpretation of heavy ion collision experiments at RHIC and LHC are so-called transport coefficients. Out of those heavy quark diffusion coefficients play an important role e.g.…

High Energy Physics - Lattice · Physics 2014-09-15 Olaf Kaczmarek

The aim of present work is to consider in more details recently theoretically observed exotic "color charge glow" effect and possible physical effects related to ensembles of color charged particles on the classical level. We study ways of…

High Energy Physics - Phenomenology · Physics 2017-12-14 Anton Zadora

According to the Color Glass Condensate approach to relativistic heavy-ion collisions, the earliest phase of the collision is a glasma which is made of highly populated gluon fields that can be treated classically. Using a proper time…

Nuclear Theory · Physics 2024-05-14 Margaret E. Carrington , Stanislaw Mrowczynski