Simulation of induced radioactivity for a heavy ion medical machine

XU Jun-Kui; SU You-Wu; LI Wu-Yuan; MAO Wang; XIA Jia-Wen; CHEN Xi-Meng; YAN Wei-Wei; XU Chong

doi:10.1088/1674-1137/38/11/118201

Chinese Physics C> 2014, Vol. 38> Issue(11) : 118201 DOI: 10.1088/1674-1137/38/11/118201

Simulation of induced radioactivity for a heavy ion medical machine

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Abstract：
The radioactivity induced by carbon ions of the Heavy Ion Medical Machine (HIMM) was studied to asses its radiation protection and environmental impact. Radionuclides in the accelerator component, and in the cooling water and air at the target area, which are induced from primary beam and secondary particles, are simulated by FLUKA Monte Carlo code. It is found that radioactivity in the cooling water and air is not very important at the required beam intensity and energy that is needed for treatment, while radionuclides in the accelerator component may cause some problems for maintenance work and, therefore, a suitable cooling time is needed after the machine is shut down.

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XU Jun-Kui, SU You-Wu, LI Wu-Yuan, MAO Wang, XIA Jia-Wen, CHEN Xi-Meng, YAN Wei-Wei and XU Chong. Simulation of induced radioactivity for a heavy ion medical machine[J]. Chinese Physics C, 2014, 38(11): 118201. doi: 10.1088/1674-1137/38/11/118201

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Received: 2013-12-31
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Simulation of induced radioactivity for a heavy ion medical machine

Corresponding author: SU You-Wu,

Received Date: 2013-12-31
Accepted Date: 1900-01-01
Available Online: 2014-11-05

Abstract: The radioactivity induced by carbon ions of the Heavy Ion Medical Machine (HIMM) was studied to asses its radiation protection and environmental impact. Radionuclides in the accelerator component, and in the cooling water and air at the target area, which are induced from primary beam and secondary particles, are simulated by FLUKA Monte Carlo code. It is found that radioactivity in the cooling water and air is not very important at the required beam intensity and energy that is needed for treatment, while radionuclides in the accelerator component may cause some problems for maintenance work and, therefore, a suitable cooling time is needed after the machine is shut down.