A (CF2)n-PIN Sandwich Detecting Array with Statistics Enhancement in Low Pulsed γ Flux Measurement

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OUYANG Xiao-Ping, LI Zhen-Fu, HUO Yu-Kun, WANG Yi and ZHANG Zhong-Bing. A (CF2)n-PIN Sandwich Detecting Array with Statistics Enhancement in Low Pulsed γ Flux Measurement[J]. Chinese Physics C, 2006, 30(7): 704-708.
OUYANG Xiao-Ping, LI Zhen-Fu, HUO Yu-Kun, WANG Yi and ZHANG Zhong-Bing. A (CF2)n-PIN Sandwich Detecting Array with Statistics Enhancement in Low Pulsed γ Flux Measurement[J]. Chinese Physics C, 2006, 30(7): 704-708. shu
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Received: 2005-10-20
Revised: 2006-01-17
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A (CF2)n-PIN Sandwich Detecting Array with Statistics Enhancement in Low Pulsed γ Flux Measurement

    Corresponding author: ZHANG Zhong-Bing,
  • Department of Engineering Physics, Tsinghua University, Beijing 100084, China2 Northwest Institute of Nuclear Technology, Xi'an 710024, China3 Institute of Modern Physics, Fudan University, Shanghai 200433, China

Abstract: A (CF2)n-PIN sandwiched detecting array with statistics enhancement in low pulsed γ flux measurements has been constructed. The array uses 2mm thick (CF2)n overlaid with Si-PIN detector of φ60mm×1000μm, then coupled to PA101 amplifier with gain 100. The array exhibits four distinct properties: (1) very high detecting efficiency: The γ detecting sensitivity of the array can reach 10-11C.cm2, which is 4 orders of magnitude higher than that of a signal PIN detector of φ20mm×250μm; (2) remarkable statistics enhancement: The statistics enhancement of the array has been studied with M-C simulation,which displays highly enhanced statistics in very low pulsed γ flux measurement; (3) huge dynamic range: A single array can cover seven orders of magnitude's measurement range of γ flux; and (4) flat response in given γ energy range. The array has found its applications in experimental measurements.

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