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Measurment of the energy spectrum of an electron beam extracted from an accelerator |
| Hu Tao (胡涛)a, Wang Nai-Yan (王乃彦)a b c d |
a College of Nuclear Science and Technology, Beijing Normal University, Beijing 100875, China;
b China Institute of Atomic Energy, Beijing 102413, China;
c Key Laboratory of Beam Technology and Material Modification of Ministry of Education, Beijing Normal University, Beijing 100875, China;
d Beijing Radiation Center, Beijing 100875, China |
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Abstract The electron energy spectrum is one of the most important characteristics of an electron beam that is extracted from a linear accelerator. The most direct way to determine an electron spectrum would be to use a magnetic spectrometer and this method could also give results with high precision and effectiveness. In this article we describe our design of a new multi-layer absorption method, which is based on the depth-dose curves method that can be used in most irradiation accelerators, and adds the Monte Carlo simulation and iterative algorithm in order to reconstruct the electron energy spectrum. In this article the energy spectrum was measured using these two methods, and good results were acquired. These results could be crosschecked, which made the results more reliable.
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Received: 06 May 2014
Accepted manuscript online:
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PACS:
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87.56.bd
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(Accelerators)
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29.20.Ej
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(Linear accelerators)
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29.25.Bx
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(Electron sources)
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29.27.Fh
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(Beam characteristics)
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Corresponding Authors:
Wang Nai-Yan
E-mail: wangny@bnu.edu.cn
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Cite this article:
Hu Tao (胡涛), Wang Nai-Yan (王乃彦) Measurment of the energy spectrum of an electron beam extracted from an accelerator 2014 Chin. Phys. B 23 098702
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