Gluon distributions and color charge correlations in a saturated light-cone wavefunction

2002/06/21 by A.H. Mueller, Alfred Mueller · 5 citations
Physics and Astronomy · #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ph

paper · pdf · doi:10.1016/s0550-3213(02)00745-9

published as Nucl.Phys. B643 (2002) 501-513 · 17 pages, Latex, 7 figures

arxiv created 2002/06/21 · openalex publication_date 2002/11/01 · arxiv updated 2009/11/30 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28

Abstract

We describe the light-cone wavefunction in the saturation regime in terms of the density of gluons per unit of transverse phase space, the occupation number, and in terms of the color charge correlator. The simple McLerran- Venugopalan model gives what are claimed to be general results for the phase space gluon density, but it does not well describe the general case for the charge correlator. We derive the general momentum dependence and rapidity dependence of the color charge correlator which exhibits strong color shielding. A simplel physical picture which leads to these general results is described.

Citations

• Non-Abelian Weizsäcker-Williams field and a two-dimensional effective color charge density for a very large nucleus

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