Soft Gluon kt-Resummation and the Froissart bound

Details Soft Gluon kt-Resummation and the Froissart bound Soft Gluon kt-Resummation and the Froissart bound

2009-08-11

arxiv.org/abs/0908.1426v2

Phys.Lett.B682:55-60,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

To be published in Physics Letters B. This version is 25% shorter than the previous one, as requested by the restrictions on t

Scientific paper

10.1016/j.physletb.2009.10.080

We study soft gluon kt-resummation and the relevance of zero momentum gluons for the energy dependence of total hadronic cross-sections. We discuss a model in which consistency of the energy dependence of the cross-section with the limitation of the Froissart bound, is directly related to the behaviour of the strong coupling constant in the infrared region. Our predictions for the asymptotic behaviour are shown to be related to the ansatz that the infrared behaviour of the QCD strong coupling constant follows an inverse power law.

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