Radiation Protection Glossary

A radiation protection glossary for Radiation Protection Supervisors (RPS) and anyone interesting in radiation safety terminology. The glossary is a mixture of health physics terms, and phrases related to radiation legislation, transport, practical safety and similar.

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Linear Attenuation Coefficient

The Linear Attenuation Coefficient is used in the description and calculation of exponential absorption of Gamma Rays. The quantity normally has the dimensions cm-1 and describes the fraction of gamma rays that are attenuated per unit thickness of absorber.

The ultimate paradox, of course, is that even though we're all going to die, we've all got to live in the meantime…

– Brian Cox