Reaction-diffusion processes in zero transverse dimensions as toy models for high-energy QCD

Néstor Armesto, Sergey Bondarenko, Paloma Quiroga-Arias, José Guilherme Milhano

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

We examine numerically different zero-dimensional reaction-diffusion processes as candidate toy models for high-energy QCD evolution. Of the models examined - Reggeon Field Theory, Directed Percolation and Reversible Processes - only the latter shows the behaviour commonly expected, namely an increase of the scattering amplitude with increasing rapidity. Further, we find that increasing recombination terms, quantum loops and the heuristic inclusion of a running of the couplings, generically slow down the evolution.

Original languageEnglish
Article number103
JournalJournal of High Energy Physics
Volume2008
Issue number5
DOIs
StatePublished - 1 May 2008
Externally publishedYes

Keywords

  • QCD
  • Stochastic processes

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