Christoffer Åberg
Correcting the Colour Dipole Cascade with Fixed Order Matrix Elements in Deep Inelastic Scattering
Master of Science thesis

For describing the multi-hadronic final state in deep inelastic scattering, there are mainly two different approaches: fixed order matrix elements and parton showers. Fixed order matrix elements can account for a few widely separated jets, whereas parton showers give a good description of inter- and intrajet structure. Thus the two approaches complement each other in different regions of phase space, so it seems beneficial to use both. In this thesis an algorithm to combine fixed order matrix elements with the colour dipole cascade - the parton shower algorithm implemented in Ariadne - is modified for deep inelastic scattering and tested.

LU TP 04-25