Portal scatter to primary dose ratio of 4 to 18 MV photon spectra incident on heterogeneous phantoms
Electronic portal imagers designed and used to verify the positioning of a cancer patient undergoing radiation treatment can also be employed to measure the in vivo dose received by the patient. This thesis investigates the ratio of the dose from patient-scattered particles to the dose from primary...
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| Language: | English |
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2009
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| Online Access: | http://hdl.handle.net/2429/13779 |