Measurement and Calculation of Photoneutrons Produced in the Electron Accelerator for Radiography Application

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HUANG Wei-Ling, LI Quan-Feng, LIN Yu-Zheng and LUO Yi-Sheng. Measurement and Calculation of Photoneutrons Produced in the Electron Accelerator for Radiography Application[J]. Chinese Physics C, 2006, 30(S1): 63-65.
HUANG Wei-Ling, LI Quan-Feng, LIN Yu-Zheng and LUO Yi-Sheng. Measurement and Calculation of Photoneutrons Produced in the Electron Accelerator for Radiography Application[J]. Chinese Physics C, 2006, 30(S1): 63-65. shu
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Received: 2005-12-07
Revised: 1900-01-01
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Measurement and Calculation of Photoneutrons Produced in the Electron Accelerator for Radiography Application

    Corresponding author: HUANG Wei-Ling,
  • Accelerator Lab, Department of Engineering Physics, Tsinghua University, Beijing 100084, China2 Institute of Military Medical Science, Beijing 100850, China

Abstract: Photoneutrons produced in the 15MeV electron accelerator for radiography application were measured and calculated. With passive methods of CR-39 and TE/C ion chamber, the photoneutron dose at the isocenter was 0.19mSv/Gy X-ray and 0.06mSv/Gy X-ray. For comparison, the whole accelerator system was simulated by Monte-Carlo method of MCNP5. The ratio or the neutron dose and the photon dose was 0.092mSv/Gy X-ray, less than the limited value of radiation protection standard. The results of the measurement and the calculation agreed well in the same order.

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