Interaction rate of polystyrene fiber optics with pseudocumene-based liquid scintillator

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To quantify the risk of using wavelength shifting fiber immersed in pseudocumene-based liquid scintillator, we have measured the rate of reaction of the polystyrene core of this fiber with solutions of pseudocumene dissolved in mineral oil. The rate of reaction drops rapidly with concentration. For samples below 17% pseudocumene by volume, the amount of core that reacted in 18 months was less than our measurement limit of 6 μ m.

Original languageEnglish (US)
Pages (from-to)33-36
Number of pages4
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Issue number1
StatePublished - Mar 21 2010

Bibliographical note

Funding Information:
Work supported by the A.P. Sloan Foundation, the US Department of Energy, and the University of Minnesota Physics Department.


  • Fiber optics
  • Liquid scintillator
  • Materials interaction


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