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Neutron dose measurement in carbon ion radiation therapy at HIRFL(IMP)

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【作者】 苏有武李宗强李武元王桂玲

【Author】 SU You-Wu1,2 LI Zong-Qiang1 LI Wu-Yuan1 WANG Gui-Ling1 1 Institute of Modern Physics,Chinese Academy of Science,Lanzhou 730000,China 2 Graduate University of Chinese Academy of Sciences,Beijing 100049,China

【机构】 Institute of Modern Physics,Chinese Academy of ScienceGraduate University of Chinese Academy of Sciences

【摘要】 For radiation protection purposes,the neutron dose in carbon ion radiation therapy at the HIRFL(Heavy Ion Research Facility in Lanzhou) was investigated.The neutron dose from primary 12C ions with a specific energy of 100 MeV/u delivered from SSC was roughly measured with a standard Anderson-Broun rem-meter using a polyethylene target at various distances.The result shows that a maximum neutron dose contribution of 19 mSv in a typically surface tumor treatment was obtained,which is less than 1% of the planed heavy ion dose and is in reasonable agreement with other reports.Also the γ-ray dose was measured in this experiment using a thermo luminescent detector.

【Abstract】 For radiation protection purposes,the neutron dose in carbon ion radiation therapy at the HIRFL(Heavy Ion Research Facility in Lanzhou) was investigated.The neutron dose from primary 12C ions with a specific energy of 100 MeV/u delivered from SSC was roughly measured with a standard Anderson-Broun rem-meter using a polyethylene target at various distances.The result shows that a maximum neutron dose contribution of 19 mSv in a typically surface tumor treatment was obtained,which is less than 1% of the planed heavy ion dose and is in reasonable agreement with other reports.Also the γ-ray dose was measured in this experiment using a thermo luminescent detector.

【关键词】 heavy ion therapyHIRFLneutron dose
【Key words】 heavy ion therapyHIRFLneutron dose
【基金】 Supported by Foundation of Director of the Institute of Moderm Physics,Chinese Academy of Sciences,China
  • 【文献出处】 中国物理C ,Chinese Physics C , 编辑部邮箱 ,2010年05期
  • 【分类号】TL56
  • 【被引频次】2
  • 【下载频次】27
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