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

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.


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