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

  • Mikuláš Gintner
  • Josef JuráňEmail author
Regular Article - Theoretical Physics

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.

Keywords

Gauge Boson Direct Coupling Bottom Quark Standard Model Higgs Boson Standard Model Fermion 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgements

We would like to thank C. Grojean, F. Riva, S. Pokorski, G. Panico, and A. Sopczak for useful discussions. The work was supported by the Research Program MSM6840770029 and by the project of International Cooperation ATLAS-CERN LG13009. J.J. was also supported by the NSP grant of the Slovak Republic. M.G. was supported by the Slovak CERN Fund. We would also like to thank the Slovak Institute for Basic Research for their support.

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Copyright information

© Springer-Verlag Berlin Heidelberg and Società Italiana di Fisica 2013

Authors and Affiliations

  1. 1.Physics DepartmentUniversity of ŽilinaŽilinaSlovakia
  2. 2.Institute of Experimental and Applied PhysicsCzech Technical University in PraguePragueCzech Republic
  3. 3.Institute of PhysicsSilesian University in OpavaOpavaCzech Republic

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