Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 6, Pages -Publisher
SPRINGER
DOI: 10.1088/1126-6708/2008/06/001
Keywords
nonperturbative effects; phenomenological models; QCD; hadronic colliders
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We consider a model of transverse momentum production in which non-perturbative smearing takes place throughout the perturbative evolution, by a simple modi. cation 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.
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