APPLICABILITY OF PURE PROPANE GAS FOR MICRODOSIMETRY AT BRACHYTHERAPY ENERGIES: A FLUKA STUDY
| العنوان: | APPLICABILITY OF PURE PROPANE GAS FOR MICRODOSIMETRY AT BRACHYTHERAPY ENERGIES: A FLUKA STUDY |
|---|---|
| المؤلفون: | Arghya Chattaraj, T. Palani Selvam |
| المصدر: | Radiation Protection Dosimetry. 189:286-293 |
| بيانات النشر: | Oxford University Press (OUP), 2020. |
| سنة النشر: | 2020 |
| مصطلحات موضوعية: | Materials science, Photon, medicine.medical_treatment, Brachytherapy, Monte Carlo method, Proportional counter, Density scaling, Iodine Radioisotopes, Propane, medicine, Radiology, Nuclear Medicine and imaging, Radiometry, Scaling, Radioisotopes, Range (particle radiation), Radiation, Radiological and Ultrasound Technology, Public Health, Environmental and Occupational Health, Radiotherapy Dosage, General Medicine, Iridium Radioisotopes, Cesium Radioisotopes, Propane gas, Atomic physics, Monte Carlo Method, Palladium |
| الوصف: | Applicability of pure propane gas for microdosimetric measurements at photon energies relevant in brachytherapy is studied using the Monte Carlo-based FLUKA code. Monoenergetic photons in the energy range of 20–1250 keV and brachytherapy sources such as 103Pd, 125I, 169Yb, 192Ir, 137Cs and 60Co are considered in the study. Using the calculated values of energy deposited in the sensitive region of LET-1/2 tissue-equivalent proportional counter filled with pure propane gas and tissue-equivalent propane gas, values of density scaling factor for the site sizes of 1 and 8 μm are obtained. The study shows that density of propane gas should be lowered by a factor of about 0.93 for 169Yb, 192Ir, 137Cs and 60Co sources for the site sizes of 1–8 μm. For 125I source, the density of propane gas requires a scaling of 0.93 for 1 μm site size, whereas for site sizes 2–8 μm, density need not be altered. 103Pd source does not require density scaling for site sizes 1–8 μm. |
| تدمد: | 1742-3406 0144-8420 |
| DOI: | 10.1093/rpd/ncaa041 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::63fd07aaa6e30c336d68dd73f49f364d https://doi.org/10.1093/rpd/ncaa041 |
| Rights: | OPEN |
| رقم الانضمام: | edsair.doi.dedup.....63fd07aaa6e30c336d68dd73f49f364d |
| قاعدة البيانات: | OpenAIRE |
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