The anomalous chromomagnetic dipole moment of the top quark in different frameworks and using the b → sγ process

نویسندگان

  • R. Martinez
  • J - Alexis Rodriguez
چکیده

The anomalous chromomagnetic dipole moment of the top quark in different frameworks and using the b → sγ process Abstract The anomalous chromomagnetic top quark moment arise from one loop corrections to the vertex ¯ ttg. We give explicit formulae for this anomalous coupling in the framework of the standard model, the two higgs doublet model and the minimal supersymmetric standard model. Finally, we compare the results for the anomalous coupling with the bound −0.03 ≤ ∆κ ≤ 0.01 coming from analysis of b → sγ process where the gluon is on-shell and we study the allowed region of parameters of the models under consideration.

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تاریخ انتشار 2001