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Related papers: Topological charge fluctuations in the Glasma

200 papers

We present a detailed numerical investigation of semi-inclusive forward di-hadron production in proton-nucleus collisions employing the Color Glass Condensate effective theory. We focus on the regime where di-hadrons are produced nearly…

High Energy Physics - Phenomenology · Physics 2025-12-29 Paul Caucal , Zhong-Bo Kang , Piotr Korcyl , Farid Salazar , Björn Schenke , Tomasz Stebel , Raju Venugopalan , Wenbin Zhao

We consider two-gluon production in dilute-dense collisions within the Color Glass Condensate framework, applicable to both proton-nucleus and heavy-light ion collisions. We go beyond the glasma graph approximation which is valid in the…

High Energy Physics - Phenomenology · Physics 2018-07-04 Tolga Altinoluk , Néstor Armesto , Douglas E. Wertepny

Color Glass Condensate (CGC) provides a classical description of dense gluon matter at high energies. Using the McLerran-Venugopalan (MV) model we calculate the initial energy density \epsilon(\tau) in the early stage of the relativistic…

High Energy Physics - Phenomenology · Physics 2014-11-18 Kenji Fukushima

In the color glass condensate framework the saturation scale measured in deep inelastic scattering of high energy hadrons and nuclei can be determined from the correlator of Wilson lines in the hadron wavefunction. These same Wilson lines…

High Energy Physics - Phenomenology · Physics 2008-11-26 T. Lappi

We study the gluon distribution in nucleus-nucleus collisions in the framework of the Color-Glass-Condensate. Approximate analytical solutions are compared to numerical solutions of the non-linear Yang-Mills equations. We find that the full…

High Energy Physics - Phenomenology · Physics 2014-11-21 J. -P. Blaizot , T. Lappi , Y. Mehtar-Tani

We calculate eccentricities in high energy proton-nucleus collisions, by calculating correlation functions of the energy density field of the Glasma immediately after the collision event at proper time tau = 0. We separately consider the…

High Energy Physics - Phenomenology · Physics 2021-05-26 S. Demirci , T. Lappi , S. Schlichting

We compute multi-gluon production in the Color Glass Condensate approach in dilute-dense collisions, p$A$, extending previous calculations up to four gluons. We include the contributions that are leading in the overlap area of the collision…

High Energy Physics - Phenomenology · Physics 2022-11-10 Pedro Agostini , Tolga Altinoluk , Néstor Armesto

This is a review of applications of the Color Glass Condensate to the phenomenology of relativistic heavy ion collisions. The initial stages of the collision can be understood in terms of the nonperturbatively strong nonlinear glasma color…

High Energy Physics - Phenomenology · Physics 2011-03-28 T. Lappi

We study ridge correlations of the glasma in pp collisions at $\sqrt{s_{\mathrm{NN}}}=7$ TeV by using the color glass condensate (CGC) formalism. The azimuthal collimation at long range rapidity is intrinsic to glasma dynamics and is…

High Energy Physics - Phenomenology · Physics 2021-05-05 Donghai Zhang , Yeyin Zhao , Mingmei Xu , Xue Pan , Yuanfang Wu

Starting from the two-point covariance function derived in [1], we have developed a toy model to investigate the effect of gluonic fluctuations on the transverse energy profile predicted by MC-KLN Color-Glass Condensate initial conditions.…

Nuclear Theory · Physics 2015-06-11 J. Scott Moreland , Zhi Qiu , Ulrich W. Heinz

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

We propose a new prescription for evaluating a von Neumann entropy in the initial stage of high-energy heavy-ion collisions utilizing the time evolution of classical Yang-Mills (CYM) field: The von Neumann entropy is computed for the…

High Energy Physics - Phenomenology · Physics 2014-10-28 Hideaki Iida , Teiji Kunihiro , Akira Ohnishi , Toru T. Takahashi

In these lectures, we develop the theory of the Colour Glass Condensate. This is the matter made of gluons in the high density environment characteristic of deep inelastic scattering or hadron-hadron collisions at very high energy. The…

High Energy Physics - Phenomenology · Physics 2007-05-23 Edmond Iancu , Andrei Leonidov , Larry McLerran

Heavy quarks, which are produced at the earliest stage of relativistic heavy-ion collisions, probe the entire history of the quark-gluon plasma that is created in the collision. Initially the plasma is populated with chromodynamic fields…

Nuclear Theory · Physics 2020-06-24 Margaret E. Carrington , Alina Czajka , Stanislaw Mrowczynski

We discuss the energy flow of the classical gluon fields created in collisions of heavy nuclei at collider energies. We show how the Yang-Mills analoga of Faraday's Law and Gauss' Law predict the initial gluon flux tubes to expand or bend.…

Nuclear Theory · Physics 2013-06-14 Guangyao Chen , Rainer J. Fries

We present a simple description of the energy density profile created in a nucleus-nucleus collision, motivated by high-energy QCD. The energy density is modeled as the sum of contributions coming from elementary collisions between…

Relativistic nuclear collisions offer a unique way to study strong interactions at very high energy. The collision process can be described within the gluon saturation framework as the interaction of two colored glasses, and because of this…

Nuclear Theory · Physics 2018-12-05 Marco Ruggieri , Santosh Kumar Das

We show how the limiting fragmentation phenomenon can arise from the Color Glass Condensate model of high energy QCD. We consider the very forward rapidity region in relativistic heavy ion collisions and argue that in this region,…

Nuclear Theory · Physics 2010-11-30 Jamal Jalilian-Marian

A framework combining Yang-Mills dynamics of the pre-equilibrium glasma with relativistic viscous hydrodynamic evolution of the quark-gluon plasma and hadron gas phases is presented. Event-by-event fluctuations of nucleon positions and…

High Energy Physics - Phenomenology · Physics 2015-06-11 Charles Gale , Sangyong Jeon , Bjoern Schenke , Prithwish Tribedy , Raju Venugopalan

Color charge correlations in the proton at moderately small $x\sim 0.1$ are extracted from its light-cone wave function. The charge fluctuations are far from Gaussian and they exhibit interesting dependence on impact parameter and on the…

High Energy Physics - Phenomenology · Physics 2020-03-11 Adrian Dumitru , Vladimir Skokov , Tomasz Stebel