Dose Course 2018_Flipping book

Scanning results in a 5 MV X-ray beam using p-Si diodes.

Low energy in combination with large beams (here 5 MV and 40x40 cm 2 ) displays the largest deviations for Si diodes.

Unshielded diode

Ion chamber

Large fraction of scattered low-energy photons

shielded

Unshielded diode

diode

Increasing fraction of scattered low-energy photons

shielded diode

Ion chamber

Data from Scanditronix