Author

Yin Chen

Date of Award

2013

Document Type

Thesis

Degree Name

Master of Science in Computer Science

Department

School of Computer Science and Engineering

First Advisor

Schubert, Keith Evan

Second Advisor

Schulte, Reinhard W.

Third Advisor

Gomez, Ernesto, and Zemoudeh, Kay

Abstract

The purpose of this study was to improve an existing experimental proton radiosurgery system at Loma Linda University Medical Center to reach sub-millimeter accuracy before proton radiosurgery with narrow beams can be used in a clinical trial. Protons, different from photons (i.e., x-rays or gamma rays), are charged with particles that slow down in matter and release a burst of energy near the end of their range (maximum depth of penetration), which is called the Bragg peak, named after the physicist William Henry Bragg who discovered it in 1903. Photon beams deliver most doses over a large area near the surface while a less dose is delivered to deep tissue.

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