Matching top-bottom processes in charged higgs production

Details Matching top-bottom processes in charged higgs production Matching top-bottom processes in charged higgs production

Jan 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006wtqp.confe...6a&link_type=abstract

Proceedings of the International Workshop on Top Quark Physics. January 12-15, 2006. Coimbra, Portugal. Editorial board: Antonio

Physics

Scientific paper

Top is a very important probe to test theories for the electroweak symmetry breaking such as two-Higgs doublet models. One process of great interest in theories with extended Higgs sectors is the associated production of top, bottom and charged Higgs, described by gb → H -t (where the extra b is described by parton showering) and gg → H -tb. To get a reliable description of this production when the extra b-quark is observed, these processes must be matched to remove double-counting, a problem similar to that in the single top processes pp → tbW ± and ub → dt. In this talk, we present our method for doing this matching at a fully differential level, and its implementation in the event generator Pythia. The implementation files can be downloaded from http://www.isv.uu.se/thep/MC/matchig/ .

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