Faw, Richard E. Department of Nuclear Engineering, Kansas State University, Manhattan, Kansas.
Last reviewed:January 2020
- Radiation sources
- Attenuation processes
- Shielding concepts
- Shielding materials
- Typical shields
- Related Primary Literature
- Additional Reading
Physical barriers designed to provide protection from the effects of ionizing radiation; also, the technology of providing such protection. Major sources of radiation are nuclear reactors and associated facilities, medical and industrial x-ray and radioisotope facilities, charged-particle accelerators, and cosmic rays. Types of radiation are directly ionizing (charged particles) and indirectly ionizing (neutrons, gamma rays, and x-rays). In most instances, protection of human life is the goal of radiation shielding. In other instances, protection may be required for structural materials which would otherwise be exposed to high-intensity radiation, or for radiation-sensitive materials such as photographic film and certain electronic components.
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