1. The ATLAS discovery potential for a heavy charged Higgs boson ingg?tbH± withH± ?tb.
- Author
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Assamagan, Kétévi and Gollub, Nils
- Subjects
- *
HIGGS bosons , *DETECTORS , *RADIOACTIVE decay , *PARTICLES (Nuclear physics) , *LARGE Hadron Collider , *PARTICLE accelerators - Abstract
The feasibility of detecting a heavy charged Higgs boson,m H±>m t+m b, decaying in theH±?tbchannel is studied with the fast simulation of the ATLAS detector. We study thegg?H± tbproduction process at the LHC which together with the aforementioned decay channel leads to fourb-quarks in the final state. The whole production and decay chain reads. Combinatorial background is a major difficulty in this multi-jet environment but can be overcome by employing multivariate techniques in the event reconstruction. Requiring fourb-tagged jets in the event helps to effectively suppress the Standard Model backgrounds but leads to no significant improvement in the discovery potential compared to analyses requiring only threeb-tagged jets. This study indicates that charged Higgs bosons can be discovered at the LHC up to high masses (m H±>400 GeV) in the case of large tanß.Keywords:charged Higgs; MSSMPACS:14.80.Cp - 12.60.Jv - 11.10.Kk [ABSTRACT FROM AUTHOR]
- Published
- 2005
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