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Related papers: A Novel Approach For Event-By-Event Early Gluon Fi…

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Following an explicit example, we present the chain of steps required for an event-by-event description of hadron production in high energy hadronic and nuclear collisions. We start from incoming nuclei, described in the Color Glass…

High Energy Physics - Phenomenology · Physics 2021-03-17 Moritz Greif , Carsten Greiner , Simon Plätzer , Björn Schenke , Sören Schlichting

We extend previous work on high energy nuclear collisions in the Color Glass Condensate model to study collisions of finite ultrarelativistic nuclei. The changes implemented include a) imposition of color neutrality at the nucleon level and…

High Energy Physics - Phenomenology · Physics 2009-07-09 Alex Krasnitz , Yasushi Nara , Raju Venugopalan

We explore the correspondence between classical gluon radiation and quantum radiation in a coherent state for gluons produced in ultrarelativistic nuclear collisions. The expectation value of the invariant momentum distribution of gluons in…

Nuclear Theory · Physics 2008-11-26 Sergei G. Matinyan , Berndt Mueller , Dirk H. Rischke

We compute the elliptic flow generated by classical gluon fields in a high energy nuclear collision. The classical gluon fields are described by a typical momentum scale, the saturation scale Lambda_s, which is, for RHIC energies, of the…

High Energy Physics - Phenomenology · Physics 2010-11-30 Alex Krasnitz , Yasushi Nara , Raju Venugopalan

We calculate the classical single-gluon production amplitude in nucleus-nucleus collisions including the first saturation correction in one of the nuclei (the projectile) while keeping multiple-rescattering (saturation) corrections to all…

High Energy Physics - Phenomenology · Physics 2015-06-23 Giovanni A. Chirilli , Yuri V. Kovchegov , Douglas E. Wertepny

The rapidity distribution of gluons produced in heavy ion collisions is studied by a numerical computation in 2+1-dimensional classical Yang-Mills theory. By assuming that the classical source strength g^2 mu depends on rapidity as g^4 mu^2…

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

We describe the dynamics of gluons and quarks in a relativistic nuclear collision, within the framework of classical mean-field transport theory, by the coupled equations for the classical Yang-Mills field and a collection of colored point…

Nuclear Theory · Physics 2007-05-23 W. Poeschl , B. Mueller

We calculate gluon production in deep inelastic scattering of the current j= - (1/4) F_{\mu\nu}^a F_{\mu\nu}^a off a large nucleus and in nucleon-nucleus collisions. In a covariant gauge calculation the transverse momentum spectrum of the…

High Energy Physics - Phenomenology · Physics 2011-08-11 Yuri V. Kovchegov , A. H. Mueller

We present the results of an analytical calculation of the distribution of gluons in the state immediately following a heavy ion collision in the quasi-classical limit of QCD given by McLerran-Venugopalan model. We show that the typical…

High Energy Physics - Phenomenology · Physics 2009-11-07 Yuri V. Kovchegov

The initial distribution of gluons at the very early times after a high energy heavy ion collision is described by the bulk scale $Q_s$ of gluon saturation in the nuclear wavefunction. The subsequent evolution of the system towards kinetic…

High Energy Physics - Phenomenology · Physics 2010-11-30 Jefferson Bjoraker , Raju Venugopalan

The leading order single inclusive soft gluon production in high energy proton-nucleus (pA) collisions has been studied by various approaches for more than two decades. The first correction due to the gluon saturation in proton was…

High Energy Physics - Phenomenology · Physics 2021-07-27 Ming Li

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 compute how the initial energy density and produced gluon, quark and antiquark numbers scale with atomic number and beam energy in ultrarelativistic heavy ion collisions. The computation is based on the argument that the effect of all…

High Energy Physics - Phenomenology · Physics 2014-11-17 K. J. Eskola , K. Kajantie , P. V. Ruuskanen , K. Tuominen

Electromagnetic fields are generated in high energy nuclear collisions by spectator valence protons. These fields are traditionally computed by integrating the Maxwell equations with point sources. One might expect that such an approach is…

High Energy Physics - Phenomenology · Physics 2016-12-21 Robert Holliday , Ryan McCarty , Balthazar Peroutka , Kirill Tuchin

We construct an analytical expression for the distribution of gluons in the state immediately following a heavy ion collision in the quasi-classical limit of QCD given by McLerran-Venugopalan model. The resulting gluon number distribution…

High Energy Physics - Phenomenology · Physics 2009-10-31 Yuri V. Kovchegov

The Yang Mills equations provide a classical mean field description of gauge fields. In view of developing a coherent description of the formation of the quark gluon plasma in high energetic nucleus-nucleus collisions we study pure gauge…

Nuclear Theory · Physics 2009-09-25 W. Poeschl , B. Mueller

We discuss a real time, non-perturbative computation of the transverse dynamics of gluon fields at central rapidities in very high energy nuclear collisions.

High Energy Physics - Phenomenology · Physics 2010-12-13 Alex Krasnitz , Raju Venugopalan

We develop the first event generator, the electron-Heavy-Ion-Jet-INteraction-Generator (eHIJING), for the jet tomography study of electron-ion collisions. In this generator, energetic jet partons produced from the initial hard scattering…

High Energy Physics - Phenomenology · Physics 2024-06-21 Weiyao Ke , Yuan-Yuan Zhang , Hongxi Xing , Xin-Nian Wang

Nuclear collisions at high energies produce a gluon field that can be described using the Colour Glass Condensate (CGC) effective theory at proper times $\tau \lesssim 1$ fm/c. The theory can be used to calculate the gluon energy-momentum…

High Energy Physics - Phenomenology · Physics 2022-02-09 Margaret E. Carrington , Alina Czajka , Stanislaw Mrowczynski

We show that instanton calculations in QCD become theoretically well defined in the gluon saturation environment which suppresses large size instantons. The effective cutoff scale is determined by the inverse of the saturation scale. We…

High Energy Physics - Phenomenology · Physics 2009-11-07 Dmitri E. Kharzeev , Yuri V. Kovchegov , Eugene Levin