· FeynCalc

Name: Vladyslav Shtabovenko Date: 02/02/16-04:41:36 PM Z

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In reply to: Sun Qingfeng: “On the Function FCPrepareFAAmp”

Hi,

thanks, should be now fixed:

https://github.com/FeynCalc/feyncalc/commit/7ef87c3a69cf2ce03c82ab43bb40689ba8ce7ac2

Cheers,
Vladyslav

Am 22.01.2016 um 08:59 schrieb Sun Qingfeng:
> When I test the stable version of FC9.0, I find the function FCPrepareFAAmp dose not always work proporly:
> test1 = FAFeynAmpDenominator[
> FAPropagatorDenominator[Momentum[P, D], MW Sqrt[FAGaugeXi[W]]],
> FAPropagatorDenominator[Momentum[k, D], m]]
>
> test2 = FCPrepareFAAmp[test1]
>
> The expression in test2 still exist “FAGaugeXi”, this problem can be fixed by applying this function repeatedly:
>
> test3 = FCPrepareFAAmp[FCPrepareFAAmp[test1]]
>
> Now the test3 is what I want.
>
> I saw your source. I do not know why this problem should appear.
>
> Sun Qingfeng
>

Next message: Vladyslav Shtabovenko: “FeynHelpers: Looking for testers”
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In reply to: Sun Qingfeng: “On the Function FCPrepareFAAmp”