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We introduce a novel approach to high-energy QCD factorization of cross-sections for processes involving a dilute projectile and a dense target. Our method preserves the factorization between "fast" and "slow" modes in the longitudinal…

High Energy Physics - Phenomenology · Physics 2025-09-25 Renaud Boussarie , Paul Caucal , Yacine Mehtar-Tani

Following the Good-and-Walker picture, hard diffraction in the high-energy/small-x limit of QCD can be described in terms of eigenstates of the scattering matrix off a Color Glass Condensate. From the CGC non-linear evolution equations, it…

High Energy Physics - Phenomenology · Physics 2007-06-13 Cyrille Marquet

The Color Glass Condensate (CGC) predicts the form of the nuclear wavefunction in QCD at very small x. Using this, we compute the wavefunction for the collision of two nuclei, infinitesimally in the forward light cone. We show that the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Kenji Fukushima , Francois Gelis , Larry McLerran

The description of the hadron production at very forward rapidities and low transverse momentum is usually made using phenomenological models based on nonperturbative physics. However, at high energies and large rapidities the wave function…

High Energy Physics - Phenomenology · Physics 2013-07-08 V. P. Goncalves , M. L. L. da Silva

The physics of the initial conditions of heavy ion collisions is dominated by the nonlinear gluonic interactions of QCD. These lead to the concepts of parton saturation and the Color Glass Condensate (CGC). We discuss recent progress in…

High Energy Physics - Phenomenology · Physics 2011-05-27 T. Lappi

Equations of motion for the light-like QCD Wilson loops are studied in the generalized loop space (GLS) setting. To this end, the classically conformal-invariant non-local variations of the cusped Wilson exponentials lying (partially) on…

High Energy Physics - Phenomenology · Physics 2015-03-06 I. O. Cherednikov , T. Mertens

A future high-energy electron-ion collider would explore the non-linear weakly-coupled regime of QCD, and test the Color Glass Condensate (CGC) approach to high-energy scattering. Hard diffraction in deep inelastic scattering off nuclei…

High Energy Physics - Phenomenology · Physics 2008-06-02 C. Marquet , H. Kowalski , T. Lappi , R. Venugopalan

We investigate consequences of the effective colour-dielectric formulation of lattice gauge theory using the light-cone Hamiltonian formalism with a transverse lattice (hep-ph/9704408). As a quantitative test of this approach, we have…

High Energy Physics - Theory · Physics 2007-05-23 B. van de Sande , S. Dalley

Lattice QCD is used to calculate the potential between a static quark and anti-quark in the presence of a finite density of pi^+'s. Correlation functions of multiple pi^+'s are used in conjunction with Wilson-loop correlators to determine…

High Energy Physics - Lattice · Physics 2009-02-23 William Detmold , Martin J. Savage

We explain the main ideas of the color glass condensate in high energy collisions. Different approaches to the problem are outlined with emphasis on the resummation approach. We present evidence that the color glass condensate can be…

High Energy Physics - Phenomenology · Physics 2009-11-11 Thomas Bittig , Carlo Ewerz

In the Color Glass Condensate framework, the colliding projectiles are described as classical color currents. Gluon production at leading order in the coupling is obtained from the retarded solution of the classical Yang-Mills equations,…

Nuclear Theory · Physics 2026-05-05 Francois Gelis

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 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

I briefly review the physical picture of the saturated gluons at small-x as a Colour Glass Condensate, and the effective theory which forms the basis of this picture.

High Energy Physics - Phenomenology · Physics 2007-05-23 Edmond Iancu

The physics of the initial conditions of heavy ion collisions is dominated by the nonlinear gluonic interactions of QCD. These lead to the concepts of parton saturation and the Color Glass Condensate (CGC). We discuss recent progress in…

High Energy Physics - Phenomenology · Physics 2011-03-14 T. Lappi

In this paper we study Wilson loops in various representations for finite and large values of the color gauge group for supersymmetric ${\cal N}=4$ gauge theories. We also compute correlators of Wilson loops in different representations and…

High Energy Physics - Theory · Physics 2018-11-14 Ekaterina Sysoeva

We evaluate the octupole in the large-$N_c$ limit in the McLerran-Venugopalan model, and derive a general expression of the 2n-point correlator, which can be applied in analytical studies of the multi-particle production in the scatterings…

High Energy Physics - Theory · Physics 2017-07-05 Yu Shi , Enke Wang , Cheng Zhang

We find approximate solutions to the renormalization group equation which governs the quantum evolution of the effective theory for the Color Glass Condensate. This is a functional Fokker-Planck equation which generates in particular the…

High Energy Physics - Phenomenology · Physics 2010-11-30 Edmond Iancu , Larry McLerran

We present an analysis of the color-dipole picture (CDP) for determination of the gluon density at low-$x$ which is obtained from the Altarelli-Martinelli equation by expansion at distinct points of expansion. The dipole cross-sections with…

High Energy Physics - Phenomenology · Physics 2025-02-14 G. R. Boroun

We establish the correspondence between two well-known frameworks for QCD multiple scattering in nuclear media: the Color Glass Condensate (CGC) and the High-Twist (HT) expansion formalism. We argue that a consistent matching between both…

High Energy Physics - Phenomenology · Physics 2025-07-22 Yu Fu , Zhong-Bo Kang , Farid Salazar , Xin-Nian Wang , Hongxi Xing