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Chin. Phys. B, 2008, Vol. 17(12): 4466-4471    DOI: 10.1088/1674-1056/17/12/022
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A new method for detecting pulse gamma ray with scattered electrons

Kang Ke-Juna, Tan Xin-Jiana, Xia Liang-Binb, Ouyang Xiao-Pingc, Wang Qun-Shuc
a Department of Engineering Physics, Tsinghua University, Beijing 100084, China; b Department of Engineering Physics, Tsinghua University, Beijing 100084, China;Northwest Institute of Nuclear Technology, Xi'an 710024, China; c Northwest Institute of Nuclear Technology, Xi'an 710024, China
Abstract  This paper describes a newly designed gamma pulse detector of current mode that uses the scattered electron method. Tungsten is used as the scattering target, an organic thin film scintillator ST401 is used to collect the scattered electrons. The spatial distribution of the electronic energy-flux density is studied by using the MCNP code. The optimization of the target and the thickness of the scintillator are also discussed. The results indicate that the energy response is relatively flat in the range of 0.4 to 5 MeV.
Keywords:  electron      pulse      gamma      scattering      response     
Received:  19 January 2008      Published:  20 December 2008
PACS:  29.40.Mc (Scintillation detectors)  
  07.85.Fv (X- and γ-ray sources, mirrors, gratings, and detectors)  

Cite this article: 

Kang Ke-Jun, Tan Xin-Jian, Xia Liang-Bin, Ouyang Xiao-Ping, Wang Qun-Shu A new method for detecting pulse gamma ray with scattered electrons 2008 Chin. Phys. B 17 4466

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