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Triple and quartic interactions of Higgs bosons in the two-Higgs-doublet model with CP violation | | M.N.Dubinin
; A.V.Semenov
; | | Date: |
21 Jun 2002 | | Journal: | Eur.Phys.J. C28 (2003) 223-236 | | Subject: | hep-ph | | Affiliation: | Moscow State Univ.), A.V.Semenov (LAPTH, Annecy | | Abstract: | We consider the two-Higgs-doublet model with explicit CP-violation, where the effective Higgs potential is not CP-invariant at the tree-level. Three neutral Higgs bosons of the model are the mixtures of CP-even and CP-odd bosons which exist in the CP-conserving limit of the theory. The mass spectrum and tree-level couplings of the neutral Higgs bosons to gauge bosons and fermions are significantly dependent on the parameters of the Higgs boson mixing matrix. We calculate the Higgs-gauge boson, Higgs-fermion, triple and quartic Higgs self-interactions in the MSSM with explicit CP-violation in the Higgs sector and CP-violating Yukawa interactions of the third generation scalar quarks. In some regions of the MSSM parameter space substantial changes of the self-interaction vertices take place, leading to significant suppression or enhancement of the multiple Higgs boson production cross sections. | | Source: | arXiv, hep-ph/0206205 | | Services: | Forum | Review | PDF | Favorites | |
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