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

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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.

Rolf

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• Next message: Rolf Mertig: “Re: Can FeynCalc do Fierz transformations?”
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• Maybe in reply to: Peter Blunden: “Bug using FeynArts with FeynCalc for OneLoop”

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