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VOLUME 82 (2005) | ISSUE 6 |
PAGE 364
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Nonlinear -factorization: a new paradigm for hard QCD processes in a nuclear environment
N. N. Nikolaev+*, W. Schäfer+, B. G. Zakharov*, V. R. Zoller
+Institut f. Kernphysik, Forschungszentrum Jülich, D-52425 Jülich, Germany *L. D. Landau Institute for Theoretical Physics RAS, 117334 Moscow, Chernogolovka, Russia Institute for Theoretical and Experimental Physics RAS, 117218 Moscow, Russia
PACS: 11.80.La, 12.38.Bx, 13.85.-t, 13.97.-a
Abstract
Large thickness of heavy nuclei brings in a new hard
scale into the pQCD description of
hard processes in a nuclear environment. This new scale breaks the conventional
linear -factorization which must be replaced by a new concept of the
nonlinear nuclear -factorization. Here we review a recent progress
in the theory of nonlinear -factorization. Our focus is on the
rôle of diffractive interactions, the variation of the pattern of
-factorization for single-jet processes from deep inelastic
scattering to hadron-nucleus collisions and universality classes for dijet
production off nuclei.
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