Author/Editor		Wierzbicki, W; Podgoršak, EB
Title		An analytical expression for electron beam central axis depth doses
Type		članek
Source		Med Phys
Vol. and No.		Letnik 21, št. 6
Publication year		1994
Volume		str. 827-9
Language		eng
Abstract		An analytical expression based on four fitting parameters is proposed for a mathematical description of electron beam central axis depth dose distributions. The expression approximates well the measured electron beam data in the field size range from 4 x 4 cm2 to 25 x 25 cm2 and in the energy range from 6 to 20 MeV in all four regions of the electron depth dose curve: build-up, dose maximum, dose fall-off, and bremsstrahlung contamination.
Descriptors		RADIOTHERAPY RADIOTHERAPY DOSAGE MODELS, THEORETICAL PARTICLE ACCELERATORS RADIOTHERAPY DOSAGE SCATTERING, RADIATION