A variant two-Higgs doublet model with a new Abelian gauge symmetry

Chuan Ren Chen, Cheng Wei Chiang, Kuo Yen Lin

研究成果: 雜誌貢獻文章

摘要

We consider a two-Higgs doublet model extended with a broken Abelian gauge symmetry under which all Standard Model (SM) quarks, fourth generation fermions and a new SM-singlet scalar boson are charged. Such a setup is shown to be able to accommodate the muon anomalous magnetic dipole moment while being consistent with existing constraints of flavor-violating decays of charged leptons and Z boson. The new scalar boson offers a suitable dark matter candidate that interacts with the SM particles via the Higgs portal and the Z boson associated with the new gauge symmetry. The dark matter direct detection bound is found to impose a strong constraint on the new gauge coupling.

原文英語
頁(從 - 到)22-28
頁數7
期刊Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
795
DOIs
出版狀態已發佈 - 2019 八月 10

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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