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Beam therapy equipment 

Beam therapy equipment
Chapter:
Beam therapy equipment
Author(s):

S J Colligan

and J Mills

DOI:
10.1093/med/9780199573356.003.0122
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date: 14 October 2019

Clinical megavoltage radiotherapy beams range in energy from 4 to 50MV for photons and 4 to 20MeV for electrons. These beams provide the vast majority of radiation treatment. In addition to electrons, particle beams consisting of protons and ions (Chapter 4) are in use clinically and the energies of these beams are in the order of 100's of MeV. In contrast, kilovoltage beams used for superficial tumours are typically X-rays with energies between 50 and 300kV (see ...

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