Nuclear Engineering and Technology

Korean Nuclear Society (한국원자력학회)
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Characteristics of Plastic Scintillators Fabricated by a Polymerization Reaction

  • Lee, Cheol Ho (Department of Nuclear Engineering, Hanyang University) ;
  • Son, Jaebum (Department of Nuclear Engineering, Hanyang University) ;
  • Kim, Tae-Hoon (Department of Nuclear Engineering, Hanyang University) ;
  • Kim, Yong Kyun (Department of Nuclear Engineering, Hanyang University)
  • Received : 2016.04.27
  • Accepted : 2016.10.03
  • Published : 2017.06.25
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Abstract

Three plastic scintillators of 4.5 cm diameter and 2.5-cm length were fabricated for comparison with commercial plastic scintillators using polymerization of the styrene monomer 2.5-diphenyloxazole (PPO) and 1,4-bis benzene (POPOP). Their maximum emission wavelengths were determined at 426.06 nm, 426.06 nm, and 425.00 nm with a standard error of 0.2% using a Varian spectrophotometer (Agilent, Santa Clara, CA, USA). Compton edge spectra were measured using three gamma ray sources [i.e., cesium 137 ($^{137}Cs$), sodium 22 ($^{22}Na$), and cobalt 60 ($^{60}Co$)]. Energy was calibrated by analyzing the Compton edge spectra. The fabricated scintillators possessed more than 99.7% energy linearity. Light output was comparable to that of the BC-408 scintillator (Saint-Gobain, Paris, France). The fabricated scintillators showed a light output of approximately 59-64% of that of the BC-408 scintillator.

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References

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