Tunneling through Color Glass Condensate and True Black Disks

Details Tunneling through Color Glass Condensate and True Black Disks Tunneling through Color Glass Condensate and True Black Disks

2008-06-11

arxiv.org/abs/0806.1850v5

Phys.Rev.D79:114019,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, 2 figures, revtex; final version, improved style

Scientific paper

10.1103/PhysRevD.79.114019

We discover new vacuum solutions of the JIMWLK equation, which correspond to center of a gauge group. We improve the color glass condensate (CGC) model by an explicit usage of a density matrix. Studying scattering of CGC states in an external color field, we observe that an amplitude is naturally expressed via group characters. We construct an example that shows how new thin effects may be potentially observed in peripheral collisions. We prove that at any parton density a gluonic CGC state does not become a true black disk. We find a wave function of a true black disk and show that it necessarily contains many quarks. This result corresponds to the necessity of nonvacuum Reggeon loops in a formation of a true black disk.

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