Observability of heavy charged Higgs through s-channel single top events at LHC

A bstract The charged Higgs bosons can be produced as a resonance in s -channel single top events. The light charged Higgs in such events preferably decays to a pair of τ ν thus making it difficult to distinguish from the large single W events producing the same final state. However, the heavy charg...

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Bibliographic Details
Published in:The journal of high energy physics 2013-11, Vol.2013 (11), p.1-18, Article 5
Main Author: Hashemi, M.
Format: Article
Language:English
Subjects:
Center of mass
Charging
Classical and Quantum Gravitation
Contours
Decay
Elementary Particles
Higgs bosons
High energy physics
Luminosity
Muons
Physics
Physics and Astronomy
Quantum Field Theories
Quantum Field Theory
Quantum Physics
Relativity Theory
String Theory
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Summary:A bstract The charged Higgs bosons can be produced as a resonance in s -channel single top events. The light charged Higgs in such events preferably decays to a pair of τ ν thus making it difficult to distinguish from the large single W events producing the same final state. However, the heavy charged Higgs decay to a pair of t can be extracted from the SM background events. The final state under consideration in this paper contains the top quark decay to W + b followed by W + decay to electrons or muons. It is shown that this signal can be observed at LHC at a large area of MSSM phase space ( m ( H ± ) , tan β ). Finally 5 σ and 95% C.L. exclusion contours are presented at different integrated luminosities of LHC assuming a nominal center of mass energy of = 14 TeV.
ISSN:1029-8479
1029-8479
DOI:10.1007/JHEP11(2013)005