Hi! in usin Feyncalc 8.2
When I introduce an expression like this
Spinor[1].....Spinor[2]*Spinor[3]....Spinor[4]
to the instruction OneLoop, at the end Mathemathica change the order of the spinors
Spinor[4].....Spinor[2]*Spinor[3]....Spinor[1]
How Can I avoid this?
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