Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2007-12-07
JHEP 0806:001,2008
Physics
High Energy Physics
High Energy Physics - Phenomenology
14 pages, 6 figures; version accepted by JHEP
Scientific paper
10.1088/1126-6708/2008/06/001
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.
Gieseke Stefan
Seymour Michael H.
Siodmok Andrzej
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