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Improved description of charged Higgs boson production at hadron colliders
Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Physics, Department of Nuclear and Particle Physics. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Physics, Department of Nuclear and Particle Physics, High Energy Physics. Högenergifysik. (Teoretisk högenergifysik)
Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Physics, Department of Nuclear and Particle Physics. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Physics, Department of Nuclear and Particle Physics, High Energy Physics. Högenergifysik. (Teoretisk högenergifysik)
2004 (English)In: Journal of High Energy Physics, ISSN ISSN 1029-8479, Vol. 0412, no 050Article in journal (Refereed) Published
Abstract [en]

We 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.

Place, publisher, year, edition, pages
2004. Vol. 0412, no 050
Keyword [en]
Higgs Physics, QCD, Phenomenological Models, Hadronic Colliders
National Category
Subatomic Physics
Identifiers
URN: urn:nbn:se:uu:diva-73767DOI: doi:10.1088/1126-6708/2004/12/050OAI: oai:DiVA.org:uu-73767DiVA: diva2:101677
Available from: 2005-06-20 Created: 2005-06-20 Last updated: 2011-01-12

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Alwall, JohanRathsman, Johan

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