Neutrino_p2 Node1 Neutrino_p2 + Neutrino_p2() + ~Neutrino_p2() Node2 P4PxPyPzE_p1 + m_px + m_py + m_pz + m_ene + P4PxPyPzE_p1() Node2->Node1 -m_momentum Node3 ParticleBase_p2 - m_charge - m_hasCharge - m_hasPdgId - m_pdgId - m_dataType + ParticleBase_p2() + ~ParticleBase_p2() Node3->Node1 -m_particleBase Node4 ElementLink_p3< uint32_t > + m_elementIndex + m_SGKeyHash + ElementLink_p3() Node4->Node3 -m_origin Node5 AthenaBarCode_p1 + m_athenabarcode + AthenaBarCode_p1() + ~AthenaBarCode_p1() Node5->Node3 -m_athenabarcode