\(AppendTo[$Path, "/u/belyaev/msu/AddOns/Applications/"]; 
    
<< HighEnergyPhysics`fc`\)

FeynCalc 4.1.0.3b     Evaluate ?FeynCalc for help or visit www.feyncalc.org

\(\(M1 = 
      Spinor[Momentum[k2], mb, 1].
          \((\ DiracGamma[6]\ mb + DiracGamma[7]\ mt)\) // ComplexConjugate

    	\)\)

\(\(M2 = 
      \((\ DiracGamma[6]\ mb + DiracGamma[7]\ mt)\) // ComplexConjugate

    \)\)