Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2004-10-11
Physics
High Energy Physics
High Energy Physics - Phenomenology
10 pages, 6 figures. Talk given at the 42nd International School of Subnuclear Physics at Erice, Sicily, 1 September 2004
Scientific paper
Many extensions of the Standard Model predict the existence of charged Higgs bosons. In order to be able to find those particles, an accurate description of their production is needed. In Monte Carlo simulations of charged Higgs boson production at hadron colliders, the two tree-level processes gb->H+/-t and gg->H+/-tb are used. Since those processes overlap in the collinear region of the phase-space of the outgoing b-quark, care must be taken not to introduce double-counting if both processes are to be used together. In this talk I present a method for matching these processes, developed by Johan Rathsman and myself. The method also allows for investigations of the factorization scale dependence of the processes and a better understanding of which factorization scale to choose to get a reliable description of charged Higgs production.
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