Accurate predictions for charged Higgs production : Closing the mH± ∼mt window
(2017) In Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 772. p.87-92- Abstract
We present predictions for the total cross section for the production of a charged Higgs boson in the intermediate-mass range (mH±
∼mt) at the LHC, focusing on a type-II two-Higgs-doublet model. Results are obtained at next-to-leading order (NLO) accuracy in QCD perturbation theory, by studying the full process pp→H±W∓bb¯ in the complex-(top)-mass scheme with massive bottom quarks. Compared to lowest-order predictions, NLO corrections have a sizeable impact: they increase the cross section by roughly 50% and reduce uncertainties due to scale variations by more than a factor of two. Our computation reliably interpolates between the low- and high-mass... (More)We present predictions for the total cross section for the production of a charged Higgs boson in the intermediate-mass range (mH±
(Less)
∼mt) at the LHC, focusing on a type-II two-Higgs-doublet model. Results are obtained at next-to-leading order (NLO) accuracy in QCD perturbation theory, by studying the full process pp→H±W∓bb¯ in the complex-(top)-mass scheme with massive bottom quarks. Compared to lowest-order predictions, NLO corrections have a sizeable impact: they increase the cross section by roughly 50% and reduce uncertainties due to scale variations by more than a factor of two. Our computation reliably interpolates between the low- and high-mass regime. Our results provide the first NLO prediction for charged Higgs production in the intermediate-mass range and therefore allow to have NLO accurate predictions in the full mH±
range. The extension of our results to different realisations of the two-Higgs-doublet model or to the supersymmetric case is also discussed.
- author
- Degrande, Céline ; Frederix, Rikkert LU ; Hirschi, Valentin ; Ubiali, Maria ; Wiesemann, Marius and Zaro, Marco
- publishing date
- 2017-09-10
- type
- Contribution to journal
- publication status
- published
- subject
- keywords
- Charged Higgs, Complex mass scheme, Resonant diagrams, Top quark, Two-Higgs-doublet models
- in
- Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
- volume
- 772
- pages
- 6 pages
- publisher
- Elsevier
- external identifiers
-
- scopus:85020916938
- ISSN
- 0370-2693
- DOI
- 10.1016/j.physletb.2017.06.037
- language
- English
- LU publication?
- no
- id
- 4d0f3a0c-8d90-4ee9-b919-609b9d5d6c01
- date added to LUP
- 2019-05-28 15:47:42
- date last changed
- 2022-04-02 18:03:55
@article{4d0f3a0c-8d90-4ee9-b919-609b9d5d6c01, abstract = {{<p>We present predictions for the total cross section for the production of a charged Higgs boson in the intermediate-mass range (m<sub>H<sup>±</sup><br> </sub>∼m<sub>t</sub>) at the LHC, focusing on a type-II two-Higgs-doublet model. Results are obtained at next-to-leading order (NLO) accuracy in QCD perturbation theory, by studying the full process pp→H<sup>±</sup>W<sup>∓</sup>bb¯ in the complex-(top)-mass scheme with massive bottom quarks. Compared to lowest-order predictions, NLO corrections have a sizeable impact: they increase the cross section by roughly 50% and reduce uncertainties due to scale variations by more than a factor of two. Our computation reliably interpolates between the low- and high-mass regime. Our results provide the first NLO prediction for charged Higgs production in the intermediate-mass range and therefore allow to have NLO accurate predictions in the full m<sub>H<sup>±</sup><br> </sub> range. The extension of our results to different realisations of the two-Higgs-doublet model or to the supersymmetric case is also discussed.</p>}}, author = {{Degrande, Céline and Frederix, Rikkert and Hirschi, Valentin and Ubiali, Maria and Wiesemann, Marius and Zaro, Marco}}, issn = {{0370-2693}}, keywords = {{Charged Higgs; Complex mass scheme; Resonant diagrams; Top quark; Two-Higgs-doublet models}}, language = {{eng}}, month = {{09}}, pages = {{87--92}}, publisher = {{Elsevier}}, series = {{Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics}}, title = {{Accurate predictions for charged Higgs production : Closing the m<sub>H<sup>±</sup> </sub>∼m<sub>t</sub> window}}, url = {{http://dx.doi.org/10.1016/j.physletb.2017.06.037}}, doi = {{10.1016/j.physletb.2017.06.037}}, volume = {{772}}, year = {{2017}}, }