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

Christoffer Flensburg, Gösta Gustafson, Leif Lönnblad

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46 Citeringar (SciVal)

Sammanfattning

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.
Originalspråkengelska
Sidor (från-till)233-247
TidskriftEuropean Physical Journal C. Particles and Fields
Volym60
Utgåva2
DOI
StatusPublished - 2009

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