- Elementary Particles, Quantum Field Theory 18
- Quantum Field Theories, String Theory 18
- Nuclear Physics, Heavy Ions, Hadrons 13
- Astronomy, Astrophysics and Cosmology 12
- Measurement Science and Instrumentation 12
- Nuclear Energy 12
- Classical and Quantum Gravitation, Relativity Theory 6
- Quantum Physics 6
- Nuclear Fusion 1
- Particle and Nuclear Physics 1