Radiation Protection Glossary

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

Search the Glossary by either clicking on a letter or typing a keyword into the search box. This glossary is relational so when looking at one term you can click through to other related terms as required.

Scintillation


With respect to Radiation Protection, scintillation is the process where by a material will emit light Photons when exposed to Ionising Radiation. The light photons can be measured with a photo-multiplier tube which will multiply the events to produce an electrical signal or pulse. The pulse can be counted to give an indication of the magnitude of the incoming radiation. Materials that have scintillation properties include Zinc Sulphide (used in many Alpha emission detectors), Sodium Iodide (used in many X-Rays / Gamma emitter surveying probes), and scintillant cocktails (used in Liquid Scintillation Counting).

Physics is really nothing more than a search for ultimate simplicity, but so far all we have is a kind of elegant messiness

– Bill Bryson -