Elastic and quasi-elastic pp and gamma * p scattering in the dipole model

Christoffer Flensburg, Gösta Gustafson, Leif Lönnblad

Research output: Contribution to journalArticlepeer-review

46 Citations (SciVal)

Abstract

We have in earlier papers presented an extension of Mueller's dipole cascade model, which includes subleading effects from energy conservation and running coupling as well as color-suppressed saturation effects from pomeron loops via a "dipole swing". The model was applied to the description of the total and diffractive cross sections in pp and gamma * p collisions, and also the elastic cross section in pp scattering. In this paper we extend the model to the description of the corresponding quasi-elastic cross sections in gamma * p, namely the exclusive production of vector mesons and deeply virtual Compton scattering. Also for these reactions we find good agreement with measured cross sections. In addition, we obtain a reasonable description of the t-dependence of the elastic pp and quasi-elastic. gamma * p cross sections.
Original languageEnglish
Pages (from-to)233-247
JournalEuropean Physical Journal C. Particles and Fields
Volume60
Issue number2
DOIs
Publication statusPublished - 2009

Subject classification (UKÄ)

  • Subatomic Physics

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