| Issue |
EPJ Web of Conferences
Volume 118, 2016
International Workshop on “Flavour Changing and Conserving Processes” 2015 (FCCP 2015)
|
|
|---|---|---|
| Article Number | 01006 | |
| Number of page(s) | 8 | |
| DOI | https://doi.org/10.1051/epjconf/201611801006 | |
| Published online | 26 April 2016 | |
https://doi.org/10.1051/epjconf/201611801006
The muon g−2 in two-Higgs-doublet models
Korea Institute for Advanced Study, Seoul 130-722, Korea
a e-mail: ejchun@kias.re.kr
Published online: 26 April 2016
Updating various theoretical and experimental constraints on the four different types of two-Higgsdoublet models (2HDMs), we find that only the “lepton-specific” (or “type X”) 2HDM can explain the present muon g−2 anomaly in the parameter region of large tan β, a light CP-odd boson, and heavier CP-even and charged bosons which are almost degenerate. The severe constraints on the models come mainly from the consideration of vacuum stability and perturbativity, the electroweak precision data, the b-quark observables like BS → μμ, the precision measurements of the lepton universality as well as the 125 GeV boson property observed at the LHC.
© Owned by the authors, published by EDP Sciences, 2016
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