Name: Xing Wang (email_not_shown)
Date: 07/12/15-06:49:13 AM Z

Hi. I got an error when I try to use OneLoopSimplify to do tensor reduction for a box integral.

OneLoopSimplify[
 Pair[Momentum[k1, d], Momentum[q1, d]]^2 FeynAmpDenominator[
   PropagatorDenominator[Momentum[q1, d], mt],
   PropagatorDenominator[Momentum[p2, d] + Momentum[q1, d], mt],
   PropagatorDenominator[-Momentum[k1, d] + Momentum[p2, d] +
     Momentum[q1, d], mt],
   PropagatorDenominator[-Momentum[k1, d] - Momentum[k2, d] +
     Momentum[p2, d] + Momentum[q1, d], 0]], q1]

It says:
TID::failmsg: Error! TID has encountered a fatal problem and must abort the computation. The problem
reads: tidSingleIntegral failed to achieve full tensor reduction in {-FeynAmpDenominator[PropagatorDenominator[Momentum[q1, d], 0], Propagat\[Ellipsis] ID`Private`tidIsolate[203]]^3*Pair[Momentum[-k1 - k2 + p2, d], Momentum[q1, d]])/(8*HoldForm[FeynCalc`TID`Private`tidIsolate[204]]^3)}

Thanks in advance,
Xing

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