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Published August 2008 | Published
Journal Article Open

Optical and Scintillation Properties of Inorganic Scintillators in High Energy Physics


This paper presents a comparative study of optical and scintillation properties for various inorganic crystal scintillators, which are used, or actively pursued, by the high energy physics community for experiments. Transmittance, excitation and photo-luminescence spectra were measured for samples with a dimension of 1.5 radiation length. The transmittance data are compared to the theoretical limit calculated by using refractive index, assuming no internal absorption. Refractive index of lutetium oxyorthosilicate and lutetium-yttrium oxyorthosilicate was measured by using a V-prism. Light output was measured for these samples with Tyvek paper wrapping, and the result is presented with the quantum efficiency of the readout devices taken out. Temperature coefficient of the light output was also measured. The result of these measurements will be used in the summary table of the inorganic scintillator section for the 2008 edition of the particle data book.

Additional Information

© Copyright 2008 IEEE. Reprinted with permission. Manuscript received January 11, 2008; revised April 24, 2008. Current version published September 19, 2008. [Current Version Published: 2008-09-30] This work was supported in part by the U.S. Department of Energy under Grant DE-FG03-92-ER-40701 and the U.S. National Science Foundation Awards PHY-0612805 and PHY-0516857. The authors would like to thank the Shanghai Institute of Ceramics for providing samples in this test, and Dr. G. Zhao of the Shanghai Institute of Optics and Fine Mechanics for allowing the publishing of the refractive index data he measured for the LSO and LYSO samples. Color versions of one or more of the figures in this paper are available online at http://ieeexplore.ieee.org.

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