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Nonlinear k ⊥ factorization: A new paradigm for hard QCD processes in a nuclear environment

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Abstract

A large thickness of the heavy nuclei brings a new hard scale into the pQCD description of hard processes in a nuclear environment. This new scale breaks the conventional linear k ⊥ factorization which must be replaced by a new concept of the nonlinear nuclear k ⊥ factorization. Here, we review the recent progress in the theory of nonlinear k ⊥ factorization. Our focus is on the role of diffractive interactions, the variation of the pattern of k ⊥ 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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Authors and Affiliations

  1. Institut für Kernphysik, Forschungszentrum Jülich, D-52425, Jülich, Germany

    N. N. Nikolaev & W. Schäfera

  2. Landau Institute for Theoretical Physics, Russian Academy of Sciences, Chernogolovka, Moscow region, 117334, Russia

    N. N. Nikolaev & B. G. Zakharov

  3. Institute for Theoretical and Experimental Physics, Russian Academy of Sciences, Moscow, 117218, Russia

    V. R. Zoller

Authors
  1. N. N. Nikolaev
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  2. W. Schäfera
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  3. B. G. Zakharov
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  4. V. R. Zoller
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Additional information

From Pis’ma v Zhurnal Éksperimental’noĭ i Teoreticheskoĭ Fiziki, Vol. 82, No. 6, 2005, pp. 364–372.

Original English Text Copyright © 2005 by Nikolaev, Schäfer, Zakharov, Zoller.

The text was submitted by the authors in English.

A member of the editorial board of the journal from 1991 to 1993.

A member of the editorial board of the journal since 1994.

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Nikolaev, N.N., Schäfera, W., Zakharov, B.G. et al. Nonlinear k ⊥ factorization: A new paradigm for hard QCD processes in a nuclear environment. Jetp Lett. 82, 325–334 (2005). https://doi.org/10.1134/1.2137369

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  • DOI: https://doi.org/10.1134/1.2137369

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