Open AccessThermoluminescent and Monte Carlo dosimetry of IR06‐ P 103 d brachytherapy source
Author(s) -
Saidi Pooneh,
Sadeghi Mahdi,
Hosseini S. Hamed,
Tenreiro Claudio
Publication year - 2011
Publication title -
journal of applied clinical medical physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.83
H-Index - 48
ISSN - 1526-9914
DOI - 10.1120/jacmp.v12i4.3581
Subject(s) - dosimetry , monte carlo method , brachytherapy , imaging phantom , dosimeter , thermoluminescent dosimeter , thermoluminescent dosimetry , materials science , thermoluminescence , nuclear medicine , physics , computational physics , medical physics , optics , mathematics , medicine , luminescence , radiation therapy , statistics , radiology
This work presents experimental dosimetry results for a newP103 d brachytherapy seed, in accordance with the AAPM TG‐43U1 recommendation that all new low‐energy interstitial brachytherapy seeds should undergo one Monte Carlo (MC) and at least one experimental dosimetry characterization. Measurements were performed using TLD‐GR200A circular chip dosimeters using standard methods employing thermoluminescent dosimeters in a Perspex phantom. The Monte Carlo N‐particle (MCNP) code, version 5 was used to evaluate the dose‐rate distributions around this modelP103 d source in water and Perspex phantoms. The consensus value for dose‐rate constant of the IR06‐ P103 d source was found equal to 0.690 cG ⋅ h − 1 ⋅ U − 1. The anisotropy function, F ( r , θ ) , and the radial dose function,g L ( r ) , of the seed were measured in Perspex phantom and calculated in both Perspex and liquid water phantom. The measured values were also found in good agreement with corresponding MC calculations. PACS number: 87.53.Jw