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MEASUREMENT OF SECONDARY NEUTRONS GENERATED DURING PROTON THERAPY
Z. Vykydal, M. Andrlík, H. Bártová, M. Králík, J. Šolc, V. Vondráček,
Jazyk angličtina Země Anglie, Velká Británie
Typ dokumentu časopisecké články
PubMed
26656077
DOI
10.1093/rpd/ncv504
Knihovny.cz E-zdroje
- MeSH
- dávka záření MeSH
- fantomy radiodiagnostické * MeSH
- lidé MeSH
- neutrony * MeSH
- protonová terapie škodlivé účinky přístrojové vybavení metody MeSH
- radiometrie přístrojové vybavení metody MeSH
- Check Tag
- lidé MeSH
- Publikační typ
- časopisecké články MeSH
Measurements described in this article were carried out with the aim of evaluating risks of the patient exposure to secondary neutrons during treatment at the Proton Therapy Centre Prague. The neutron spectral fluence was measured by means of the extended Bonner sphere spectrometer (EBS). The article presents secondary neutron spectral fluences obtained by the EBS with passive thermoluminescent detectors, i.e. pairs of (6)LiF and (7)LiF chips. Measurements were performed in two positions: the first one behind the Nylon 6 phantom, and the second one close to the range shifter to evaluate their contribution to the generation of neutrons. Both the Nylon 6 phantom and the range shifter were irradiated with a pencil beam of protons 4 mm in diameter and the energy of 200 MeV. The results are supplemented with the values of effective dose derived from neutron spectral fluences.
Czech Metrology Institute Radiová 1a Praha 10 102 00 Czech Republic
Proton Therapy Center Praha Budínova 1a Praha 8 180 00 Czech Republic
Citace poskytuje Crossref.org
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