Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 5, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP05(2021)232
Keywords
Phenomenology of Field Theories in Higher Dimensions; Phenomenology of Large extra dimensions
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Funding
- Korea Institute for Advanced Study [PG054702]
- Junior Research Group (JRG) Program at the Asia-Pacific Center for Theoretical Physics (APCTP) through the Science and Technology Promotion Fund
- Lottery Fund of the Korean Government
- Korean Local Government-Gyeongsangbuk-do Province
- Korean Local Government- Pohang City
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The study investigates a two Higgs doublet model with extra U(1)(X) gauge symmetry, where interactions of Z' boson can explain the Atomki anomaly by appropriate charge assignment for SM fermions. For the parameter region explaining Atomki anomaly, a light scalar boson with around 10 GeV mass is obtained, exploring the scalar sector for allowed parameter space, followed by discussion on anomalous magnetic dipole moment of muon and lepton flavour violating processes induced by Yukawa couplings in the model.
We investigate a two Higgs doublet model with extra flavour depending U(1)(X) gauge symmetry where Z ' boson interactions can explain the Atomki anomaly by choosing appropriate charge assignment for the SM fermions. For parameter region explaining the Atomki anomaly we obtain light scalar boson with O(10) GeV mass, and we explore scalar sector to search for allowed parameter space. We then discuss anomalous magnetic dipole moment of muon and lepton flavour violating processes induced by Yukawa couplings of our model.
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