Name: Gang Li (email_not_shown)
Date: 12/16/16-04:11:37 PM Z


Dear Vladyslav,

I am using FC 9.2.0 to calculate H -> ZZ in the SM at one-loop level. However, I got the error message when I use OneLoop[amp, q] or TID[amp, q], where q is defined as the LoopMomenta and amp is the Feynman amplitude:

FDS::failmsg: Error! FDS has encountered a fatal problem and must abort the computation.

The problem reads: fdsOneLoop couldn't be applied to some of the unique integrals.

I found some information in
https://github.com/FeynCalc/feyncalc/blob/master/FeynCalc/LoopIntegrals/FeynAmpDenominatorSimplify.m

but I do not know how to deal with it. I have some experience with 8.x and 9.0.0

Thanks a lot.
Gang Li



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