WG2 - TG Improving the quality of PADC material for neutron dosimetry

CR-39

Aim of this task is improving the quality of PADC available used as neutron detector.

As appears from the literature, Individual Monitoring Services (IMSs) employing PADC track-etched dosimeters show common problems ultimately linked to the PADC material quality, namely:

  • high intrinsic background: a large number of etched pits/tracks, hence a non-negligible signal, is observed even for unexposed PADCs;
  • variable intrinsic background: the background signal varies across a batch/sheet of PADCs;
  • variable PADCs sensitivity across batches;
  • variable ageing and fading phenomena across batches.

This task intends to address these issues in order to improve and harmonize neutron dosimetry performed with solid-state nuclear track detectors (SSNTDs) based on PADC material by harmonizing the quality of this specific material by involving PADC suppliers in these research studies.

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