A simple model for nuclear structure functions at small $x$ in the dipole picture

Details A simple model for nuclear structure functions at small $x$ in the dipole picture A simple model for nuclear structure functions at small $x$ in the dipole picture

2002-06-03

arxiv.org/abs/hep-ph/0206017v2

Eur.Phys.J.C26:35-43,2002

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTeX, 27 pages, 9 postscript figures included using epsfig; final version: discussion on geometrical scaling clarified, compa

Scientific paper

10.1007/s10052-002-1021-z

A simple model for nuclear structure functions in the region of small x and small and moderate $Q^2$, is presented. It is a parameter-free extension, in the Glauber-Gribov approach to nuclear collisions, of a saturation model for the nucleon. A reasonable agreement with experimental data on ratios of nuclear structure functions is obtained. Nuclear effects in the longitudinal-to-transverse cross section ratios are found to be small. Predictions of the model for values of $x$ smaller than those available to present experiments are given. The unintegrated gluon distribution and the behaviour of the saturation scale which result from this model are shown and discussed.

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