· FeynCalc

Name: Xing Date: 11/02/15-07:06:47 PM Z

Next message: Vladyslav Shtabovenko: “Re: OneLoop without CancelQP”
Previous message: Vladyslav Shtabovenko: “Re: How to produce a polarization sum from a polarization vector by FeynCalc?”
Next in thread: Vladyslav Shtabovenko: “Re: OneLoop without CancelQP”
Reply: Vladyslav Shtabovenko: “Re: OneLoop without CancelQP”
Maybe reply: Xing: “Re: OneLoop without CancelQP”

Hi,
When I tried to do OneLoop with CancelQP set to be False as below,

OneLoop[q1, SP[q1, q1] FAD[{q1, m1}, {q1 + kk1, m2}, {q1

kk2, m3}],
CancelQP -> False]

the result gave me a constant term, -i*Pi/2, besides the tensor coefficients.
Why does this happen? I tried both FC8 and FC9.

Best,
Xing

Next message: Vladyslav Shtabovenko: “Re: OneLoop without CancelQP”
Previous message: Vladyslav Shtabovenko: “Re: How to produce a polarization sum from a polarization vector by FeynCalc?”
Next in thread: Vladyslav Shtabovenko: “Re: OneLoop without CancelQP”
Reply: Vladyslav Shtabovenko: “Re: OneLoop without CancelQP”
Maybe reply: Xing: “Re: OneLoop without CancelQP”