Measurement of the refractive index of the LAB-based liquid scintillator and acrylic at RENO

I. S. Yeo, J. H. Jang, M. S. Kim, Jung Keun Ahn, S. R. Baik, E. I. Choi, Seonho Choi, Y. Choi, H. I. Jang, J. S. Jang, E. J. Jeon, I. S. Jeong, K. K. Joo, B. C. Kim, H. S. Kim, J. Y. Kim, S. B. Kim, S. H. Kim, W. Kim, Y. D. KimJ. Lee, I. T. Lim, K. J. Ma, Y. D. Oh, M. Y. Pac, I. G. Park, J. S. Park, K. S. Park, J. W. Shin, S. S. Stepanyan, B. S. Yang, I. Yu

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Abstract

In this paper, we describe the first measurement of the refractive index of the linear alkyl benzene (LAB)-based liquid scintillator and acrylic used at the Reactor Experiment for Neutrino Oscillation (RENO). The refractive index of a material is an important optical property and the prism spectrometer is the most common device for measuring the refractive index. Using the minimum deviation technique, which requires an exact measurement of the apex angle, we determined the refractive indices at six different wavelengths and then fitted them. We also compared the refractive index of the LAB-based liquid scintillator with the refractive indices of other liquid scintillator solvents commonly used in reactor neutrino experiments.

Original languageEnglish
Article number065706
JournalPhysica Scripta
Volume82
Issue number6
DOIs
Publication statusPublished - 2010 Dec 1
Externally publishedYes

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ASJC Scopus subject areas

  • Condensed Matter Physics
  • Atomic and Molecular Physics, and Optics
  • Mathematical Physics

Cite this

Yeo, I. S., Jang, J. H., Kim, M. S., Ahn, J. K., Baik, S. R., Choi, E. I., Choi, S., Choi, Y., Jang, H. I., Jang, J. S., Jeon, E. J., Jeong, I. S., Joo, K. K., Kim, B. C., Kim, H. S., Kim, J. Y., Kim, S. B., Kim, S. H., Kim, W., ... Yu, I. (2010). Measurement of the refractive index of the LAB-based liquid scintillator and acrylic at RENO. Physica Scripta, 82(6), [065706]. https://doi.org/10.1088/0031-8949/82/06/065706