Higgs EFT for 2HDM and beyond
نویسندگان
چکیده
منابع مشابه
Higgs EFT for 2HDM and beyond
We discuss the validity of the Standard Model Effective Field Theory (SM EFT) as the low-energy effective theory for the two-Higgs-doublet Model (2HDM). Using the up-to-date Higgs signal strength measurements at the LHC, one can obtain a likelihood function for the Wilson coefficients of dimension-6 operators in the EFT Lagrangian. Given the matching between the 2HDM and the EFT, the constraint...
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Present data do not rule out the light neutral Higgs particle h or A with mass below 40–50 GeV in the framework of the general 2HDM (" Model II "). The status of this model in a light of existing LEP I data and a potential of the new muon experiment (g-2), the measurement of photon-gluon and gluon-gluon fusion at HERA as well as photon-photon fusion at low energy γγ NLC is discussed.
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The sensitivity to a light Higgs boson in the general 2HDM (II), with a mass below 40 GeV, is estimated for an future ee linear collider operating with very high luminosity at the Z peak (GigaZ). We consider a possible Higgs boson production via the Bjorken process, the (hA) pair production, the Yukawa process Z → bb̄h(A),→ τ τ̄h(A), and the decay Z→h(A) + γ. Although the discovery potential is c...
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ژورنال
عنوان ژورنال: The European Physical Journal C
سال: 2017
ISSN: 1434-6044,1434-6052
DOI: 10.1140/epjc/s10052-017-4745-5