Sub-Classifications are divided into four groups:
Accelerators and Storage Rings
- A 01 Hadron Colliders
- A 02 Lepton Colliders
- A 03 Linear Colliders
- A 04 Circular Accelerators
- A 05 Synchrotron Radiation Facilities
- A 06 Free Electron Lasers
- A 07 Electrostatic Accelerators
- A 08 Linear Accelerators
- A 09 Muon Accelerators and Neutrino Factories
- A 10 Damping Rings
- A 11 e-coolers
- A 12 FFAG, Cyclotrons
- A 13 New Acceleration Techniques
- A 14 Advanced Concepts
- A 15 High Intensity Accelerators
- A 16 Energy Recovery Linacs (ERLs)
- A 17 Electron-Hadron Colliders
- A 18 Radioactive Ions
- A 19 Secondary Beams
- A 20 Accelerators and Storage Rings, Other
Subsystems, Technology and Components
- T 01 Proton and Ion Sources
- T 02 Lepton Sources
- T 03 Beam Diagnostics and Instrumentation
- T 04 Accelerator/Storage Ring Control Systems
- T 05 Beam Feedback Systems
- T 06 Room Temperature RF
- T 07 Superconducting RF
- T 08 RF Power Sources
- T 09 Room-Temperature Magnets
- T 10 Superconducting Magnets
- T 11 Power Supplies
- T 12 Beam Injection/Extraction and Transport
- T 13 Cryogenics
- T 14 Vacuum Technology
- T 15 Undulators and Wigglers
- T 16 Pulsed Power Technology
- T 17 Alignment and Survey
- T 18 Radiation Monitoring and Safety
- T 19 Collimation and Targetry
- T 20 Infrastructures
- T 21 Reliability, Operability
- T 22 Machine Protection
- T 23 Timing and Synchronization
- T 24 Lasers
- T 25 Low Level RF
- T 26 Technology Transfer
- T 27 Industrial Collaboration
- T 28 Subsystems, Technology and Components, Other
Beam Dynamics and Electro-magnetic Fields
- D 01 Beam Optics – Lattices, Correction Schemes, Transport
- D 02 Non-linear Dynamics – Resonances, Tracking, Higher Order
- D 03 High Intensity – Incoherent Instabilities, Space Charge, Halos, Cooling
- D 04 Instabilities – Processes, Impedances, Countermeasures
- D 05 Code Developments and Simulation Techniques
Applications of Accelerators
- U 01 Medical Applications
- U 02 Materials Analysis and Modification
- U 03 Transmutation and Power Generation
- U 04 Other
