Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2004-08-26
Eur.Phys.J.C39:129-154,2005
Physics
High Energy Physics
High Energy Physics - Phenomenology
1+47 pp, 26 figures
Scientific paper
10.1140/epjc/s2004-02084-y
We propose a sophisticated framework for high-energy hadronic collisions, wherein different QCD physics processes are interleaved in a common sequence of falling transverse-momentum values. Thereby phase-space competition is introduced between multiple parton-parton interactions and initial-state radiation. As a first step we develop new transverse-momentum-ordered showers for initial- and final-state radiation, which should be of use also beyond the scope of the current article. These showers are then applied in the context of multiple interactions, and a few tests of the new model are presented. The article concludes with an outlook on further aspects, such as the possibility of a shower branching giving partons participating in two different interactions.
Sjostrand Torbjörn
Skands Peter
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