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Color-glass condensate

About: Color-glass condensate is a research topic. Over the lifetime, 885 publications have been published within this topic receiving 35169 citations.


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TL;DR: In this paper, it was shown that the weight functional for color sources in the classical theory of the color glass condensate (CGC) includes a term which generates odderon excitations.
Abstract: We show that the weight functional for color sources in the classical theory of the color glass condensate (CGC) includes a term which generates odderon excitations Remarkably, the classical origin of these excitations can be traced to the random walk of partons in the two dimensional space spanned by the SU(3) Casimirs We compute dipole and baryon odderon operators in the CGC and show that contributions from the classical color sources to these are suppressed in the limit of very large parton densities

65 citations

Journal ArticleDOI
TL;DR: The color glass condensate effective theory as mentioned in this paper describes the gluon content of a high energy hadron or nucleus, in the saturation regime, and the emphasis is put on applications to high energy heavy ion collisions.

65 citations

Journal ArticleDOI
TL;DR: In this article, the small-x$ evolution of protons is determined from numerical solutions of the JIMWLK equations, starting from an initial condition at moderate $x$ for a finite size proton.
Abstract: The small-$x$ evolution of protons is determined from numerical solutions of the JIMWLK equations, starting from an initial condition at moderate $x$ for a finite size proton. The resulting dipole amplitude is used to calculate the total reduced cross section ${\ensuremath{\sigma}}_{r}$ and charm reduced cross section ${\ensuremath{\sigma}}_{rc}$, as well as diffractive vector meson production. We compare results to experimental data from HERA and discuss fundamental problems arising from the regime sensitive to nonperturbative physics. We emphasize that information on the gluonic content of the proton, gluon spatial distributions and correlations over wide ranges in $x$, which can in principle be constrained by our study, are essential ingredients for describing the initial state in proton-proton and proton-ion collisions. Future electron nucleus collisions at an electron-ion collider will provide important additional insight for heavier nuclei. We further demonstrate that it is not possible to rigorously probe the saturation regime of the color glass condensate framework in electron-proton collisions at HERA energies and that electron-heavy ion collisions will be essential to access its regime of validity.

65 citations

Journal ArticleDOI
TL;DR: In this article, it was shown that the transverse mass spectra of identified hadrons as measured in gold-gold collisions at BNLs Relativistic Heavy-Ion Collider (RHIC) follow a generalized scaling law.

65 citations

Journal ArticleDOI
TL;DR: In this article, the cross section for photons emitted from sea quarks in proton-nucleus collisions at collider energies is computed within the dilute-dense kinematics of the Color Glass Condensate (CGC) effective field theory.
Abstract: We compute the cross section for photons emitted from sea quarks in proton-nucleus collisions at collider energies. The computation is performed within the dilute-dense kinematics of the Color Glass Condensate (CGC) effective field theory. Albeit the result obtained is formally at next-to-leading order in the CGC power counting, it provides the dominant contribution for central rapidities. We observe that the inclusive photon cross section is proportional to all-twist Wilson line correlators in the nucleus. These correlators also appear in quark-pair production; unlike the latter, photon production is insensitive to hadronization uncertainties and therefore more sensitive to multi-parton correlations in the gluon saturation regime of QCD. We demonstrate that k ⊥ and collinear factorized expressions for inclusive photon production are obtained as leading twist approximations to our result. In particular, the collinearly factorized expression is directly sensitive to the nuclear gluon distribution at small x. Other results of interest include the realization of the Low-Burnett-Kroll soft photon theorem in the CGC framework and a comparative study of how the photon amplitude is obtained in Lorenz and light-cone gauges.

65 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
202321
202244
202127
202022
201951
201833