Measuring the Fluence of Clinical Electron Beams

Front Cover
University of Wisconsin--Madison, 1995 - 372 pages

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Contents

2 J Fluence and dose theory
4
Fluence measurement concept
10
Detectors
23

4 other sections not shown

Common terms and phrases

6MeV 6X6 cone 6X6 insert 9 MeV 9MeV abscissa absorbed dose acceptance angle actual air ionization aluminum angle angular spectrum anode aspect ratio Auger recombination backscatter beam profiles Brahme breakdown voltage bremsstrahlung calculated calibration factors calibration procedures capacitance CD CD CD central axis cerrobend charged particle beam chromium circular cerrobend clinical beams clinical electron beams CO CO coefficient of variation collimating pipe collimator Curve fits curves cutout David Pearson deconvolution delta rays depletion layer Depth cm depth-dose detector readings diffusion length dmax Doctor of Philosophy dose rate dosimetry double integral electromagnetic interference electrometer electron fluence energy energy spectrum epitaxial equation Faraday cup Field Effect Transistor Figure fluence measurements fluence values FWHM gantry geometry graphite graphite pipe hole However incident fluence integral ion chamber ion implanted ionization irradiation isocenter leakage current linac LO LO machine MathCad MCNP measuring fluence Medical Physics Mehran Metal Oxide Semiconductor MeV beam minority carrier monitor unit mono-directional Monte Carlo MOSFET n-type semiconductor oscilloscope output factor particle perturbation phantom photocell photons Phys pixel pixel value planar fluence planar primary planar primary fluence plot primary fluence Q(nC quantum efficiency radiation Radiation dosimetry radiochromic film radiographic radiotherapy scattering SD/Ave SD/Ave 6MeV Secondary Electron semiconductor detector setup silicon detector solid angle statistical noise stopping power surface transport theory ultra-thin University of Wisconsin University of Wisconsin-Madison UW-Madison vacuum Zener diode zenith angle

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