Zeitschrift für Physik C Particles and Fields

, Volume 64, Issue 4, pp 631–651 | Cite as

The triple-pomeron regime and structure function of the pomeron in diffractive deep inelastic scattering at very smallx

  • N. N. Nikolaev
  • B. G. Zakharov
Theoretical Physics

Abstract

We develop the novel description of diffractive deep inelastic scattering based on the technique of lightcone wave functions of multiparton Fock states of the photon. The technique takes advantage of the exact diagonalization of the diffractiveS-matrix in the dipole-cross section representation. In this paper we derive properties of the diffractive dissociation of virtual photons in the triple-pomeron regime. We demonstrate that the photonpomeron interactions can be described by the partonic structure function, which satisfies the conventional GLDAP evolution equations. We identify the valence and sea (anti) quark and the valence gluon structure functions of the pomeron. We show how the gluon structure of the pomeron can be described by the constituent gluon wave function. We derive the leading unitarization correction to the rising structure functions at smallx and conclude that the unitarized structure function satisfies the linear GLDAP evolution equations. This result holds even when the multipomeron exchanges are included.

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Copyright information

© Springer-Verlag 1994

Authors and Affiliations

  • N. N. Nikolaev
    • 1
    • 2
  • B. G. Zakharov
    • 2
  1. 1.IKP (Theorie)KFA JülichJülichGermany
  2. 2.L.D. Landau Institute for Theoretical Physics, GSP-1MoscowRussia

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