Name: Rolf Mertig (email_not_shown)
Date: 08/30/11-05:47:31 PM Z

The problem seems to be that FeynArts added an attribute to
FeynAmpDenominator which FeynCalc gets confused with.

So if you add

ClearAttributes[FeynAmpDenominator, Orderless];

just after loading FeynCalc (with FeynArts 3.4), then things are fine.


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