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Pencil beam

424 bytes added, 17:46, 12 August 2021
Created page with "100px|frameless|right|link=ICRP Glossary A beam of radiant energy concentrated in an approximately conical or cylindrical portion of space of rela..."
[[File:Glossary Icon-2.png|100px|frameless|right|link=ICRP Glossary]]
A beam of radiant energy concentrated in an approximately conical or cylindrical portion of space of relatively small diameter. Dose is delivered by superposing ‘pencil beams’ from an accelerator on the target by controlling the beam path three-dimensionally.

(adapted from [[ICRP Publication 127]], 2014)

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