<< HighEnergyPhysics`fc`

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

\(\(\(
\)\(x = GA[5] . GS[t] . GS[z]\)\)\)

A = Tr[DiracSlash[p, k, d, c] . x]

\(\(\(B\)\(=\)\(Tr[x . DiracSlash[p, k, d, c]]\)\(
\)\)\)

R = Simplify[(A - B)/(8  I)]

EpsEvaluate[R /. 
          t -> p /. z -> k]
EpsEvaluate[R /. t -> p /. 
        z -> p]
EpsEvaluate[R /. t -> c /. 
        z -> d]
EpsEvaluate[R /. t -> p /. z -> c]