A model of non-perturbative gluon emission in an initial state parton shower
arXiv:0712.1199 · doi:10.1088/1126-6708/2008/06/001
Abstract
We consider a model of transverse momentum production in which non-perturbative smearing takes place throughout the perturbative evolution, by a simple modification to an initial state parton shower algorithm. Using this as the important non-perturbative ingredient, we get a good fit to data over a wide range of energy. Combining it with the non-perturbative masses and cutoffs that are a feature of conventional parton showers also leads to a reasonable fit. We discuss the extrapolation to the LHC.
14 pages, 6 figures; version accepted by JHEP