Leptonic g − 2 anomaly in an extended Higgs sector with vector-like leptons

A bstract We address the observed discrepancies in the anomalous magnetic dipole moments (MDM) of the muon and electron by extending the inert two Higgs Doublet Model (2HDM) with SM gauge singlet complex scalar field and singlet Vector-like Lepton (VLL) field. We obtain the allowed parameter space c...

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Bibliographic Details
Published in:The journal of high energy physics 2021-11, Vol.2021 (11), p.1-25, Article 56
Main Authors: Bharadwaj, Hrishabh, Dutta, Sukanta, Goyal, Ashok
Format: Article
Language:English
Subjects:
Beyond Standard Model
Bosons
Classical and Quantum Gravitation
Collaboration
Couplings
Dipole moments
Elementary Particles
Higgs Physics
High energy physics
Leptons
Magnetic dipoles
Mathematical models
Muons
Parameters
Physics
Physics and Astronomy
Quantum Field Theories
Quantum Field Theory
Quantum Physics
Regular Article - Theoretical Physics
Relativity Theory
Scalars
String Theory
Symmetry
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Summary:A bstract We address the observed discrepancies in the anomalous magnetic dipole moments (MDM) of the muon and electron by extending the inert two Higgs Doublet Model (2HDM) with SM gauge singlet complex scalar field and singlet Vector-like Lepton (VLL) field. We obtain the allowed parameter space constrained from the Higgs decays to gauge Bosons at LHC, LEP II data and electro-weak precision measurements. The muon and electron MDM’s are then explained within a common parameter space for different sets of allowed couplings and masses of the model particles.
ISSN:1029-8479
1029-8479
DOI:10.1007/JHEP11(2021)056