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

Publiceringsår: 2009
Språk: Engelska
Sidor: 233-247
Publikation/Tidskrift/Serie: European Physical Journal C
Volym: 60
Nummer: 2
Dokumenttyp: Artikel
Förlag: Springer


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.



  • Subatomic Physics


  • ISSN: 1434-6044

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