A Study of Experimental Measurements of Dosimetric Parameters in HDR IR-192 Source

Abstract Thermoluminescent dosimeters have been used to perform dosimetry measurements for the widely used Ir-192 microSelectron-HDR source with an improved polystyrene phantom. Radial dose functions and anisotropy functions, main parameters of 2D dose-rate formalism from the TG-43U1 protocol, have...

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Veröffentlicht in:	Medical dosimetry : official journal of the American Association of Medical Dosimetrists 2010, Vol.35 (4), p.250-254
Hauptverfasser:	Zhang, Menglong, M.D, Zhang, Liangan, B.S, Yuan, Shuyu, B.S, Dai, Guangfu, B.S
Format:	Artikel
Sprache:	eng
Schlagworte:	BETA DECAY RADIOISOTOPES BETA-MINUS DECAY RADIOISOTOPES CALCULATION METHODS DAYS LIVING RADIOISOTOPES DOSE RATES DOSEMETERS DOSIMETRY ELECTRON CAPTURE RADIOISOTOPES Equipment Design Equipment Failure Analysis HDR HEAVY NUCLEI Hematology, Oncology and Palliative Medicine INTERNAL CONVERSION RADIOISOTOPES Ir-192 IRIDIUM 192 IRIDIUM ISOTOPES Iridium Radioisotopes - analysis Iridium Radioisotopes - chemistry ISOMERIC TRANSITION ISOTOPES ISOTOPES LUMINESCENT DOSEMETERS MATERIALS MEASURING INSTRUMENTS MINUTES LIVING RADIOISOTOPES MOCKUP MONTE CARLO METHOD NUCLEI ODD-ODD NUCLEI ORGANIC COMPOUNDS ORGANIC POLYMERS PETROCHEMICALS PETROLEUM PRODUCTS PHANTOMS PLASTICS POLYMERS POLYOLEFINS POLYSTYRENE POLYVINYLS Radiation Dosage RADIATION PROTECTION AND DOSIMETRY RADIOISOTOPES Radiology Reproducibility of Results Sensitivity and Specificity STRUCTURAL MODELS SYNTHETIC MATERIALS THERMOLUMINESCENT DOSEMETERS Thermoluminescent Dosimetry - instrumentation Thermoluminescent Dosimetry - methods TLD YEARS LIVING RADIOISOTOPES
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Zusammenfassung:	Abstract Thermoluminescent dosimeters have been used to perform dosimetry measurements for the widely used Ir-192 microSelectron-HDR source with an improved polystyrene phantom. Radial dose functions and anisotropy functions, main parameters of 2D dose-rate formalism from the TG-43U1 protocol, have been obtained experimentally. Measurement results are compared with that of the Monte Carlo calculations reported, and no difference has been found between them.
ISSN:	0958-3947 1873-4022
DOI:	10.1016/j.meddos.2009.07.002