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• All HDR
192
Ir sources can have RAKR measured by physicist
• Using PSDL traceably-calibrated equipment for RAKR measurement
• For the eBT sources, only the Axxent has direct traceability to PSDL
• INTRABEAM and esteya sources do not yet have direct traceability
physicist may use AAPM TG 61 calibration method if they know the
–
-
electron scatter/absorber thickness and the HVL for their device