message: Fix method to get cascade radius
diff: @@ -695,8 +695,12 @@ void AliAnalysisTaskStrVsMult::UserExec(Option_t *)
  if (!casc) continue;
  //cascade and V0 2D radii
  - fCasc_CascRad = casc->RadiusSecVtx();
  - fCasc_V0Rad = casc->RadiusV0();
  + double lVtxCasc[3];
  + lVtxCasc[0] = casc->DecayVertexXiX();
  + lVtxCasc[1] = casc->DecayVertexXiY();
  + lVtxCasc[2] = casc->DecayVertexXiZ();
  + fCasc_CascRad = TMath::Sqrt(lVtxCasc[0]*lVtxCasc[0]+lVtxCasc[1]*lVtxCasc[1]);
  + fCasc_V0Rad = casc->RadiusSecVtx();
  //get daughter tracks (positive, negative and bachelor)
  AliAODTrack *pTrackCasc = dynamic_cast<AliAODTrack*> (casc->GetDaughter(0));
  