Pythia8::Sigma2qqbar2numuStarnumuBar Node1 Pythia8::Sigma2qqbar2numu StarnumuBar + Sigma2qqbar2numuStarnumuBar() Node2 Pythia8::Sigma2qqbar2lStarlBar + idl + idRes + codeSave + Lambda + preFac + openFracPos + openFracNeg + sigma + m2ResTimes4 + Sigma2qqbar2lStarlBar() + initProc() + sigmaHat() + sigmaKin() + setIdColAcol() + weightDecay() + name() + code() + inFlux() + id3Mass() Node2->Node1 Node3 Sigma2Process Node3->Node2 Node4 std::string Node4->Node2 +nameSave Node5 std::basic_string< char > Node5->Node4