The European Physical Journal C

, Volume 69, Issue 1–2, pp 95–101 | Cite as

The possibility that the triple-Pomeron coupling vanishes at q t =0

  • E. G. S. Luna
  • V. A. Khoze
  • A. D. Martin
  • M. G. Ryskin
Regular Article - Theoretical Physics

Abstract

We study the case when the triple-Pomeron vertex is assumed to have a vectorial form, that is, the amplitude of high-mass diffractive dissociation vanishes as \(V\propto \vec{q}_{t}\cdot\vec{e}\) as q t →0. We find that the available data in the triple-Reggeon region may be well described in such a ‘weak’ coupling scenario, providing that absorptive effects are taken into account. We compare this weak-vector coupling scenario with the strong and weak-scalar coupling scenarios. Corresponding predictions are presented for an LHC energy of 14 TeV.

Keywords

ZEUS Collaboration Pomeron Exchange Absorptive Correction Screening Correction Absorptive Effect 

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Copyright information

© Springer-Verlag / Società Italiana di Fisica 2010

Authors and Affiliations

  • E. G. S. Luna
    • 1
  • V. A. Khoze
    • 2
    • 3
  • A. D. Martin
    • 2
  • M. G. Ryskin
    • 2
    • 3
  1. 1.Instituto de Física e MatemáticaUniversidade Federal de PelotasPelotasBrazil
  2. 2.Institute for Particle Physics PhenomenologyUniversity of DurhamDurhamUK
  3. 3.Petersburg Nuclear Physics InstituteGatchina, St. PetersburgRussia

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