Initial-state showering based on colour dipoles connected to incoming parton lines

Details Initial-state showering based on colour dipoles connected to incoming parton lines Initial-state showering based on colour dipoles connected to incoming parton lines

2007-12-23

arxiv.org/abs/0712.3913v1

JHEP 0807:040,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

57 pages, 17 figures

Scientific paper

10.1088/1126-6708/2008/07/040

A parton-shower model for hadronic collisions based on the emission properties of QCD dipoles is proposed. This proposal therefore extends the well-known radiation pattern of pure final-state colour dipoles to QCD initial-state radiation, both of which are treated perturbatively. Corresponding dipole splitting functions are derived and the kinematics of all dipole splittings is discussed. Application to hadron production in electron-positron annihilation, to Drell-Yan lepton-pair and QCD jet production yields encouraging results.

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