Hi!
I´m using mathematica 8.2.
I have an expression like this
Spinor[1]...Spinor[2]*Spinor[3]*Spinor[4]
But when I introduce this in OneLoop instruction, at the end Mathematica changes the order of the spinors
Spinor[4]...Spinor[2]*Spinor[3]*Spinor[1]
How can I avoid this?
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