Monte Carlo Investigation of Secondary Particles Production in Soft Tissue during Carbon Ion Therapy by GEANT۴ Toolkit and MCNPX Code
Publish place: Radiation Physics and Engineering، Vol: 4، Issue: 4
Publish Year: 1402
نوع سند: مقاله ژورنالی
زبان: English
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JR_RPE-4-4_003
تاریخ نمایه سازی: 29 شهریور 1402
Abstract:
High-energy heavy ions produced by accelerators are used in industrial and medical applications. Recently carbon ions have been used in the treatment of cancerous tumors. Heavy ions by the spallation process will activate the soft tissue components before tumors. In this research by GEANT۴ toolkit and MCNPX code simulation were tried to calculate the secondary particles and radioactive elements produced in the soft tissue around tumors by the carbon ions spallation process. In the MCNPX code, the F۸ tally card with the FT۸ command was used to extract the activation and spallation information of secondary particles in the Z۱=۱ to Z۲=۲۵ atomic numbers range. It was shown that a wide range of radioactive elements was produced in healthy tissues in carbon therapy. addition to produced secondary particles, the Be-۱۰ and C-۱۴ radioactive elements were produced in high-energy carbon ions in soft tissue. Also, the GEANT۴ toolkit result of produced secondary particles dosimetry was shown that the secondary particles dose per carbon ion is between ۱.۶۶ to ۳۳.۵۴ nGy for carbon ion energy between ۱۱۴۰ to ۵۱۶۰ MeV. The tail for ۳۴۸۰, ۴۰۸۰, and ۵۱۶۰ MeV of carbon ion energy are ۰.۱۲,۱.۰۱ and ۱۱ cm respectively. The carbon ion beam divergence increases with beam energy and achieve to ۳۳ mm for ۵۱۶۰ MeV carbon ion.
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Authors
Ali Nouraddini-Shahabadi
Department of Physics, Payame Noor University, P. O. Box ۱۹۳۹۵-۳۶۹۷, Tehran, Iran
Mohammad Reza Rezaie
Department of Nuclear Engineering, Faculty of Sciences and Modern Technologies, Graduate University of Advanced Technology, Kerman, Iran
Saeed Mohammadi
Department of Physics, Payame Noor University, P. O. Box ۱۹۳۹۵-۳۶۹۷, Tehran, Iran
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