Name: Monica Salinas (email_not_shown)
Date: 05/06/17-05:28:55 AM Z

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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