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Dielectric Wall Accelerator and Intensity Modulated Proton Therapy

Dielectric Wall Accelerator and Intensity Modulated Proton Therapy

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Passive Scattering <strong>and</strong> Proximal Dose<br />

• Passive scattering<br />

leads to unnecessary<br />

dose to the proximal<br />

side of the target<br />

volume.<br />

• More sophisticated<br />

range shifting <strong>and</strong><br />

magnetic scanning<br />

can eliminate this<br />

proximal dose by<br />

preventing Bragg<br />

peaks (beam spots)<br />

from falling outside<br />

the target.

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