Atomic and Nuclear physics 187 Nuclear physics 178 Particles (Nuclear physics) 108 Physics 59 Molecular spectroscopy; Nuclear structure; Atomic and Nuclear physics 41 Nuclear Physics 29 Atomic physics 13 Quantum theory 13 Nuclear reactions 10 Nuclear astrophysics 8 Physical review C 8 Quantum field theory 8 Radioactivity 8 Standard model (Nuclear physics) 8 Atomic Physics 6 Atoms 6 Collisions (Nuclear physics) 6 Group theory 6 Nuclear structure 6 Radiation 6 Cluster theory (Nuclear physics) 5 Cosmology 5 History 5 Mathematical physics 5 Medical physics 5 Nuclear energy 5 Nucleus 5 Quantum chromodynamics 5 Quantum electrodynamics 5 Weak interactions (Nuclear physics) 5