Sub-classifications

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 Beam Cooling
A 12 FFAG
A 13 Cyclotrons
A 14 Neutron Spallation Facilities
A 15 New Acceleration Techniques
A 16 Advanced Concepts
A 17 High Intensity Accelerators
A 18 Energy Recovery Linacs (ERLs)
A 19 Electron-Hadron Colliders
A 20 Radioactive Ions
A 21 Secondary Beams
A 22 Plasma Wakefield Acceleration
A 23 Accelerators and Storage Rings, Other

Subsystems, Technology and Components
T 01 Proton and Ion Sources
T 02 Electron 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
T 20 Targetry
T 21 Infrastructures
T 22 Reliability, Operability
T 23 Machine Protection
T 24 Timing and Synchronization
T 25 Lasers
T 26 Photon Beam Lines and Components
T 27 Low Level RF
T 28 Neutron Sources
T 29 Technology Transfer
T 30 Industrial Collaboration
T 31 Subsystems, Technology and Components, Other

Beam Dynamics and Electromagnetic Fields
D 01 Beam Optics – Lattices, Correction Schemes, Transport
D 02 Non-linear Dynamics – Resonances, Tracking, Higher Order
D 03 High Intensity in Circular Machines – Incoherent Instabilities, Space Charge, Halos, Cooling
D 04 High Intensity in Linear Accelerators – Incoherent Instabilities, Space Charge, Halos, Cooling
D 05 Instabilities – Processes, Impedances, Countermeasures
D 06 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 Security
U 05 Other