Experimental method in portal dose images to obtain scattering contribution

Published: Jan 1, 2005
Abstract
A method ~r evaluating scattered dose contribution in portal images acquired under clinical conditions (phantom-device distance of 30 cm) is presented. This method is based on radiographic film and ionisation chamber measurements and is valid for homogenec as polystyrene phantoms and square fields of different size. The portal imaging device consisted of a radiographic film placed ~etween slabs of polystyrene under full build-up conditions (1.5...
Paper Details
Title
Experimental method in portal dose images to obtain scattering contribution
Published Date
Jan 1, 2005
Journal
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