TITLE

SOME DEVELOPMENTS IN NEUTRON AND CHARGED PARTICLE DOSIMETRY

AUTHOR(S)
Bos, Adrie J.; d'Errico, Francesco
PUB. DATE
September 2006
SOURCE
Radiation Protection Dosimetry;2006, Vol. 120 Issue 1-4, p331
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
There is an increasing need for dosimetry of neutrons and charged particles. Increasing exposure levels are reported in the nuclear industry, deriving from more frequent in-service entries at commercial nuclear power plants, and from increased plant decommissioning and refurbishment activities. Another need stems from the compliance with requirements of the regulations and standards. The European Council directive 96/29 requires dosimetric precautions if the effective dose exceeds 1 mSv a-1. On average, aircrew members exceed this value. Further, there is a trend of increasing use of charged particles in radiotherapy. The present situation is that we have reasonably good photon dosemeters, but neutron and charged particle dosemeters are still in need of improvements. This work highlights some of the developments in this field. It is mainly concentrated on some developments in passive dosimetry, in particular thermally and optically stimulated luminescent detectors, indicating the direction of ongoing research. It shows that passive dosemeters are still a very active field. Active dosemeters will not be discussed with the exception of new developments in microdosimetric measurements [new types of tissue equivalent proportional counters (TEPCs)]. The TEPC is unique in its ability to provide a simultaneous determination of neutron I charged particle I gamma ray doses, or dose equivalents using a single detector.
ACCESSION #
23154607

 

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