Muon::TGCSimHitCollection_p4 Node1 Muon::TGCSimHitCollection_p4 Node2 std::vector< float > + elements Node2->Node1 +m_enY +m_enZ +m_globalTime +m_stX +m_stY +m_stZ +m_stepLength +m_kineticEnergy +m_energyDeposit +m_enX ... Node3 std::vector< int > + elements Node3->Node1 +m_particleEncoding +m_TGCid Node4 std::vector< HepMcParticle Link_p2 > Node4->Node1 +m_partLink Node5 HepMcParticleLink_p2 # m_mcEvtIndex # m_evtColl + HepMcParticleLink_p2() + HepMcParticleLink_p2() Node5->Node4 +elements Node6 long Node6->Node5 #m_barcode