Hierarchy classification:

1. top of the aat hierarchies
2. Associated Concepts Facet
3. Associated Concepts (hierarchy name)
4. scientific concepts
5. physical sciences concepts
6. physics concepts
7. [energy and related concepts]
8. energy
9. radiation (energy)

Anotations

Scope note:

Electromagnetic radiation emitted by high-energy particles following a curved path at close to the speed of light as in the variety of particle accelerator known as a synchrotron. It is also produced naturally by charged particles moving through magnetic fields.