The vector resonance triplet with the direct coupling to the third quark generation

Abstract

The effective Lagrangian with scalar and vector resonances that might result from new strong physics beyond the SM is formulated and studied. In particular, the scalar resonance representing the recently discovered 125-GeV boson is complemented with the SU(2)_{L+R} triplet of hypothetical vector resonances. Motivated by experimental and theoretical considerations, the vector resonance is allowed to couple directly to the third quark generation only. The coupling is chiral-dependent and the interaction of the right top quark can differ from that of the right bottom quark. To estimate the applicability range of the effective Lagrangian the unitarity of the gauge boson scattering amplitudes is analyzed. The experimental fits and limits on the free parameters of the vector resonance triplet are investigated.

17 pages, 10 figures, to be published in The European Physical Journal C. arXiv admin note: text overlap with arXiv:1301.2124

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Cited by in corpus (4)

• Higgs Boson Phenomenology in a Simple Model with Vector Resonances
• A case study about the mass exclusion limits for the BSM vector resonances with the direct couplings to the third quark generation
• The limits on the strong Higgs sector parameters in the presence of new vector resonances
• The mass exclusion limits for the BSM vector resonances with the direct couplings to the third quark generation