High Density QCD, Saturation and Diffractive DIS

B.G. Zakharov (L.D.Landau Inst.; Chernogolovka); Forshcungszentrum Juelich; Forshcungszentrum Juelich); I.P. Ivanov (Institute of Mathematics; L.D.Landau Inst.); Moscow); N.N. Nikolaev (IKP; Novosibirsk); V.R. Zoller (ITEP

arxiv: hep-ph/0212176 · v1 · pith:26EZ2NXDnew · submitted 2002-12-12 · ✦ hep-ph

High Density QCD, Saturation and Diffractive DIS

I.P. Ivanov (Institute of Mathematics , Novosibirsk) , N.N. Nikolaev (IKP , Forshcungszentrum Juelich , L.D.Landau Inst.) , W. Sch\"afer (IKP , Forshcungszentrum Juelich) , B.G. Zakharov (L.D.Landau Inst.

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Chernogolovka) V.R. Zoller (ITEP Moscow)

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classification ✦ hep-ph

keywords nuclearsaturationdiffractivegluenucleitermsacker-williamsamounts

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We review a consistent description of the fusion and saturation of partons in the Lorentz-contracted ultrarelativistic nuclei in terms of a nuclear attenuation of color dipole states of the photon and collective Weizs\"acker-Williams (WW) gluon structure function of a nucleus. Diffractive DIS provides a basis for the definition of the WW nuclear glue. The point that all observables for DIS off nuclei are uniquely calculable in terms of the nuclear WW glue amounts to a new form of factorization in the saturation regime.

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High Density QCD, Saturation and Diffractive DIS

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