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New characterization of high-energy photon radiation fields

03.02.2009

For the calibration and type testing of radiation protection dosemeters, PTB has worldwide unique reference radiation fields with photon energies up to 6.7 MeV at its disposal. These fields are strongly demanded by international and national customers for calibrations and irradiations. Last year, the technical equipment for the experimental set-up was completely modernized. In this context, the reference radiation fields were again characterized with high precision. For the first time, the ratio between the neutron and the photon components was exactly measured and documented in a publication.