-comp.fTree->SetAlias("radius","TMath::Sqrt(MC.fVDist[0]**2+MC.fVDist[1]**2)");
-comp.fTree->SetAlias("direction","MC.fParticle.fVx*MC.fParticle.fPx+MC.fParticle.fVy*MC.fParticle.fPy");
-comp.fTree->SetAlias("decaydir","MC.fTRdecay.fX*MC.fTRdecay.fPx+MC.fTRdecay.fY*MC.fTRdecay.fPy");
-comp.fTree->SetAlias("theta","MC.fTrackRef.Theta()");
-comp.fTree->SetAlias("primdca","sqrt(RC.fITStrack.fD[0]**2+RC.fITStrack.fD[1]**2)");
-comp.fTree->SetAlias("trdchi2","fTRDtrack.fChi2/fTRDtrack.fN");
-comp.fTree->SetAlias("trdchi2","fTRDtrack.fChi2/fTRDtrack.fN");
+comp.T()->SetAlias("radius","TMath::Sqrt(MC.fVDist[0]**2+MC.fVDist[1]**2)");
+comp.T()->SetAlias("direction","MC.fParticle.fVx*MC.fParticle.fPx+MC.fParticle.fVy*MC.fParticle.fPy");
+comp.T()->SetAlias("decaydir","MC.fTRdecay.fX*MC.fTRdecay.fPx+MC.fTRdecay.fY*MC.fTRdecay.fPy");
+comp.T()->SetAlias("theta","MC.fTrackRef.Theta()");
+comp.T()->SetAlias("primdca","sqrt(RC.fITStrack.fD[0]**2+RC.fITStrack.fD[1]**2)");
+comp.T()->SetAlias("trdchi2","fTRDtrack.fChi2/fTRDtrack.fN");
+comp.T()->SetAlias("trdchi2","fTRDtrack.fChi2/fTRDtrack.fN");