Improved description of charged Higgs boson production at hadron colliders
(2004) In Journal of High Energy Physics 8(12). p.1119-1138- Abstract
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.
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https://lup.lub.lu.se/record/2975e9d7-54e2-4787-be7f-605140145ac8
- author
- Alwall, Johan and Rathsman, Johan LU
- publishing date
- 2004-12-01
- type
- Contribution to journal
- publication status
- published
- subject
- keywords
- Hadronic Colliders, Higgs Physics, Phenomenological Models, QCD
- in
- Journal of High Energy Physics
- volume
- 8
- issue
- 12
- pages
- 20 pages
- publisher
- Springer
- external identifiers
-
- scopus:21444438391
- ISSN
- 1029-8479
- language
- English
- LU publication?
- no
- id
- 2975e9d7-54e2-4787-be7f-605140145ac8
- date added to LUP
- 2019-05-14 13:46:13
- date last changed
- 2022-04-18 04:54:08
@article{2975e9d7-54e2-4787-be7f-605140145ac8, abstract = {{<p>We present a new method for matching the two twin-processes gb → H<sup>±</sup>t and gg → H<sup>±</sup>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 <sup>±</sup>t, and the hard region, which requires the use of the gg → H<sup>±</sup>tb process. The resulting differential distributions show large differences compared to both the gb → H<sup>±</sup>t and gg → H<sup>±</sup>tb processes illustrating the necessity to use matching when tagging the accompanying b-jet.</p>}}, author = {{Alwall, Johan and Rathsman, Johan}}, issn = {{1029-8479}}, keywords = {{Hadronic Colliders; Higgs Physics; Phenomenological Models; QCD}}, language = {{eng}}, month = {{12}}, number = {{12}}, pages = {{1119--1138}}, publisher = {{Springer}}, series = {{Journal of High Energy Physics}}, title = {{Improved description of charged Higgs boson production at hadron colliders}}, volume = {{8}}, year = {{2004}}, }