Geant4 Accuracy and Benchmarking Bruce Faddegon, UCSF.

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Presentation transcript:

Geant4 Accuracy and Benchmarking Bruce Faddegon, UCSF

Geant4 e-/x-ray RT benchmarks SLAC –Makoto Asai –Tsukasa Aso –Joseph Perl –Jane Tinslay

Thick-target bremsstrahlung measurement at MV Subtract pile-up spectrum and bkg Add counts lost to pulse pile-up Unfold detector response Add counts lost to attenuation and detector efficiency Collimator effect BA Faddegon, CK Ross, DWO Rogers, Medical Physics 17(5): , 1990 BA Faddegon, CK Ross, DWO Rogers, Medical Physics 18(4): , 1991