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Temperature dependence of gamma ray induced luminescence in toluene based liquid scintillator between 220 and 290 K

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Abstract

The fluorescence of toulene based liquid scintillator (toulene +6 g/l butyl-PBD +0.1 g/l POPOP) has been studied as a function of temperature in the range 220 to 290 K. It has been observed that under gamma excitation the light output increases with decrease in temperature by a factor of 1.43. The data are well encompassed by an Arrhenius relation, in which the activation energy of rate process (0.21 eV) is compatible with thermally-activated diffusion mechanism.

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Correspondence to Faizan-Ul-Haq.

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Faizan-Ul-Haq, Butt, M.Z. & Zaidi, S.H. Temperature dependence of gamma ray induced luminescence in toluene based liquid scintillator between 220 and 290 K. Acta Physica Hungarica 72, 101 (1992). https://doi.org/10.1007/BF03177499

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Keywords

  • Light Output
  • Liquid Scintillator
  • POPOP
  • Copper Cylinder
  • Ra226