Johan Alwall and Johan Rathsman JHEP12(2004)050 doi:10.1088/1126-6708/2004/12/050
Improved description of charged Higgs boson production at hadron colliders
Johan Alwall1 and Johan Rathsman1
Show affiliationsWe present a new method for matching the two twin-processes gb→H±t and gg→H±tb in Monte Carlo event generators. The matching is done by defining a double-counting term, which is used to generate events that are subtracted from the sum of these two twin-processes. In this way we get a smooth transition between the collinear region of phase space, which is best described by gb→H±t, and the hard region, which requires the use of the gg→H±tb process. The resulting differential distributions show large differences compared to both the gb→H±t and gg→H±tb processes illustrating the necessity to use matching when tagging the accompanying b-jet.
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E-print Number: hep-ph/0409094
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Issue 12 (December 2004)
Received 9 September 2004, accepted for publication 20 December 2004
Published 14 January 2005
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Improved description of charged Higgs boson production at hadron colliders
Johan Alwall and Johan Rathsman JHEP12(2004)050
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