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- Title
Measurements of gamma dose and thermal neutron fluence in phantoms exposed to a BNCT epithermal beam with TLD-700.
- Authors
Gambarini, G.; Magni, D.; Regazzoni, V.; Borroni, M.; Carrara, M.; Pignoli, E.; Burian, J.; Marek, M.; Klupak, V.; Viererbl, L.
- Abstract
Gamma dose and thermal neutron fluence in a phantom exposed to an epithermal neutron beam for boron neutron capture therapy (BNCT) can be measured by means of a single thermoluminescence dosemeter (TLD-700). The method exploits the shape of the glow curve (GC) and requires the gamma-calibration GC (to obtain gamma dose) and the thermal-neutron-calibration GC (to obtain neutron fluence). The method is applicable for BNCT dosimetry in case of epithermal neutron beams from a reactor because, in most irradiation configurations, thermal neutrons give a not negligible contribution to the TLD-700 GC. The thermal neutron calibration is not simple, because of the impossibility of having thermal neutron fields without gamma contamination, but a calibration method is here proposed, strictly bound to the method itself of dose separation.
- Subjects
BORON-neutron capture therapy; THERAPEUTIC use of gamma rays; THERMAL neutrons; THERMO luminescence dosimeters; GAMMA ray measurement
- Publication
Radiation Protection Dosimetry, 2014, Vol 161, Issue 1-4, p422
- ISSN
0144-8420
- Publication type
Article
- DOI
10.1093/rpd/nct363