Physics Partonic transverse momenta in soft collisions

Abstract

The partonic transverse momentum, kt , distribution plays a crucial role in driving high-energy hadron interactions. If kt is limited we have old fashioned Regge theory. If kt increases with energy the interaction may be described by perturbative QCD. We use BFKL diffusion in ln kt , supplemented by a stronger absorption of low kt partons, to estimate the… (More)

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