Dose Course 2018_Flipping book

Effects from dose accumulation in old p-Si diodes.

Sensitivity (8-10 kGy typically pre-irradiated on commercial diodes).

Temperature dependence.

8 MV photons 16 MV photons

20 MeV electrons

70 MeV protons

Rikner [10]

Rikner [10]

PTW states sensitivity losses of <0.1% per kGy for Co-60 and <10% per kGy for 23 MV photons