Associated charged Higgs and W boson production in the MSSM at the CERN large hadron collider
(2008) In European Physical Journal C 53(2). p.267-280- Abstract
We investigate the viability of observing charged Higgs bosons ( H± ) produced in association with W bosons at the CERN large hadron collider, using the leptonic decay H+ → + ν τ and hadronic W decay, within different scenarios of the minimal supersymmetric standard model (MSSM) with both real and complex parameters. Performing a parton level study we show how the irreducible standard model background from W+2 jets can be controlled by applying appropriate cuts and find that the size of a possible signal depends on the cuts needed to suppress QCD backgrounds and misidentifications. In the standard maximal mixing scenario of the MSSM we find a viable signal for large tan β and intermediate H ± masses ( ∼ mt ) when using softer... (More)
We investigate the viability of observing charged Higgs bosons ( H± ) produced in association with W bosons at the CERN large hadron collider, using the leptonic decay H+ → + ν τ and hadronic W decay, within different scenarios of the minimal supersymmetric standard model (MSSM) with both real and complex parameters. Performing a parton level study we show how the irreducible standard model background from W+2 jets can be controlled by applying appropriate cuts and find that the size of a possible signal depends on the cuts needed to suppress QCD backgrounds and misidentifications. In the standard maximal mixing scenario of the MSSM we find a viable signal for large tan β and intermediate H ± masses ( ∼ mt ) when using softer cuts ( p_⊥, p_τjet > ∈50 GeV), whereas for harder cuts ( p_⊥, p_⊥ τ jet> 100 GeV) we only find a viable signal for very large tan β (). We have also investigated a special class of MSSM scenarios with large mass splittings among the heavy Higgs bosons where the cross-section can be resonantly enhanced by factors up to one hundred, with a strong dependence on the CP -violating phases. Even so we find that the signal after cuts remains small except for small masses ( {} m_t) when using the softer cuts. Finally, in all the scenarios we have investigated we have only found small CP -asymmetries.
(Less)
- author
- Eriksson, D. LU ; Hesselbach, S. and Rathsman, J. LU
- publishing date
- 2008-01
- type
- Contribution to journal
- publication status
- published
- subject
- in
- European Physical Journal C
- volume
- 53
- issue
- 2
- pages
- 14 pages
- publisher
- Springer
- external identifiers
-
- scopus:38349001242
- ISSN
- 1434-6044
- DOI
- 10.1140/epjc/s10052-007-0453-x
- language
- English
- LU publication?
- no
- id
- 8eb10574-410b-40c8-a590-576c25d1cc48
- date added to LUP
- 2019-05-14 13:43:38
- date last changed
- 2022-01-31 19:50:25
@article{8eb10574-410b-40c8-a590-576c25d1cc48, abstract = {{<p>We investigate the viability of observing charged Higgs bosons ( H± ) produced in association with W bosons at the CERN large hadron collider, using the leptonic decay H<sup>+</sup> → + ν τ and hadronic W decay, within different scenarios of the minimal supersymmetric standard model (MSSM) with both real and complex parameters. Performing a parton level study we show how the irreducible standard model background from W+2 jets can be controlled by applying appropriate cuts and find that the size of a possible signal depends on the cuts needed to suppress QCD backgrounds and misidentifications. In the standard maximal mixing scenario of the MSSM we find a viable signal for large tan β and intermediate H ± masses ( ∼ mt ) when using softer cuts ( p_⊥, p_τjet > ∈50 GeV), whereas for harder cuts ( p_⊥, p_⊥ τ jet> 100 GeV) we only find a viable signal for very large tan β (). We have also investigated a special class of MSSM scenarios with large mass splittings among the heavy Higgs bosons where the cross-section can be resonantly enhanced by factors up to one hundred, with a strong dependence on the CP -violating phases. Even so we find that the signal after cuts remains small except for small masses ( {} m_t) when using the softer cuts. Finally, in all the scenarios we have investigated we have only found small CP -asymmetries.</p>}}, author = {{Eriksson, D. and Hesselbach, S. and Rathsman, J.}}, issn = {{1434-6044}}, language = {{eng}}, number = {{2}}, pages = {{267--280}}, publisher = {{Springer}}, series = {{European Physical Journal C}}, title = {{Associated charged Higgs and W boson production in the MSSM at the CERN large hadron collider}}, url = {{http://dx.doi.org/10.1140/epjc/s10052-007-0453-x}}, doi = {{10.1140/epjc/s10052-007-0453-x}}, volume = {{53}}, year = {{2008}}, }