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TMD gluon distributions at small x in the CGC theory

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arxiv 1804.04981 v1 pith:GCO2NQQM submitted 2018-04-13 hep-ph nucl-th

Elena Petreska This is my paper · ORCID
classification hep-phnucl-th
keywords gluondistributionsrecentsmalltheorydiscussequivalenceevolution
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We review recent progress in the description of unpolarized transverse-momentum-dependent (TMD) gluon distributions at small $x$ in the color glass condensate (CGC) effective theory. We discuss the origin of the non-universality of TMD gluon distributions in the TMD factorization framework and in the CGC theory and the equivalence of the two approaches in their overlapping domain of validity. We show some applications of this equivalence, including recent results on the behavior of TMD gluon distributions at small $x$, and on the study of gluon saturation. We discuss recent advances in the unification of the TMD evolution and the non-linear small-$x$ evolution of gluon distributions.

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Forward citations

Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Forward trijet production in proton-nucleus collisions: gluon initiated channel

    hep-ph 2026-04 unverdicted novelty 7.0 of 10

    The gluon-initiated trijet channel in forward pA collisions is calculated at leading order in CGC, revealing a four-gluon vertex structure matching instantaneous terms and showing how rapidity and collinear divergence...

  2. One-loop renormalization of quark TMD in the light-cone gauge: CSS evolution

    hep-ph 2025-05 conditional novelty 6.0 of 10

    One-loop renormalization of the quark TMD in the target light-cone gauge with the Mandelstam-Leibbrandt prescription reproduces the CSS evolution equations, with the double log traced to the ML zero-mode in diagrams e...

  3. Effective theories for nuclei at high energies

    hep-ph 2025-02 unverdicted novelty 1.0 of 10

    This paper reviews the Color Glass Condensate effective theory, covering its foundations, its role in deep inelastic scattering, and its use in setting initial conditions for heavy-ion collisions.

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