Name: Vladyslav Shtabovenko (email_not_shown)
Date: 07/01/16-05:09:52 PM Z


Hi,

there were some issues with ApartFF in the stable
version that were fixed in the development version some time
ago

<https://github.com/FeynCalc/feyncalc/commit/1225fe13db977a3b834e4867e7d55aa3d523a5bb>

<https://github.com/FeynCalc/feyncalc/commit/d48a409bbb887357013cd930644f89cf39b73659>

<https://github.com/FeynCalc/feyncalc/commit/8e859cbe1c3cb24cd1fb6b717781690baa04f3e3>

since those fixes also involved changing the default
behavior of ApartFF (now scaleless integrals are set to zero
in D-dims) they didn't make it into the stable version.

With the development version your code works returning

-(FAD[{q1, m}, -p + q1, {-k - 2 p + q1, m}]/(2 (m^2 - SPD[p, p]))) -
 FAD[{q1, m}, {k + q1, m}, -p + q1]/(2 (m^2 - SPD[p, p])) +
 FAD[{q1, m}, {k + q1, m}, {-2 p + q1, m}]/(m^2 - SPD[p, p])

Cheers,
Vladyslav



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