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Model for calculating depth dose distributions for broad electron beams
Author(s) -
Werner Barry L.,
Khan Faiz M.,
Deibel Firmin C.
Publication year - 1983
Publication title -
medical physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.473
H-Index - 180
eISSN - 2473-4209
pISSN - 0094-2405
DOI - 10.1118/1.595329
Subject(s) - fluence , monte carlo method , beam (structure) , dosimetry , computational physics , physics , electron , cathode ray , dispersion (optics) , optics , atomic physics , nuclear physics , mathematics , nuclear medicine , statistics , laser , medicine
Central axis electron beam depth dose distributions can be transformed by replacing dose by fluence and depth by a measure of angular dispersion. This transformation was applied to a set of broad beam central axis depth dose distributions calculated by Monte Carlo code for beams with initial energies ranging from 1 to 60 MeV in homogeneous media of water, aluminum, and copper. The resulting fluence distributions belong to a family of curves that can be parametrized by a single‐valued function of initial beam energy and medium and can be used to calculate fluence distributions for accelerators. Fluence curves can be easily transformed to depth dose curves.

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