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A Study on Radiation Damage in Large Size LSO and LYSO Crystal Samples

Chen, Jianming and Mao, Rihua and Zhang, Liyuan and Zhu, Ren-yuan (2006) A Study on Radiation Damage in Large Size LSO and LYSO Crystal Samples. In: 2006 IEEE Nuclear Science Symposium Conference Record. IEEE Nuclear Science Symposium Conference Record . IEEE , Piscataway, NJ, pp. 1112-1117. ISBN 978-1-4244-0561-9 .

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This paper presents a study on radiation damage effect in large size (2.5×2.5×20 cm^3) LSO and LYSO crystals. Optical and scintillation properties, including the longitudinal transmittance and emission spectra, the light output and light response uniformity with PMT and APD readout, are measured before and after γ-ray irradiations with integrated dosage up to 106 rad for three LSO and LYSO samples from different vendors. It was found that the recovery of radiation damage under room temperature is negligible, indicating that radiation damage in LSO and LYSO crystals are not dose rate dependent. It was also found that the overall radiation damage in LSO and LYSO crystals is small as compared to other crystal scintillators commonly used in high energy and nuclear physics experiments.

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Additional Information:© 2006 IEEE. Issue Date: Oct. 29 2006-Nov. 1 2006. Date of Current Version: 07 May 2007. This work was supported in part by the U.S. Department of Energy Grant No. DE-FG03-92-ER40701.
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Department of Energy (DOE)DE-FG03-92-ER40701
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INSPEC Accession Number9573077
Record Number:CaltechAUTHORS:20110426-074418241
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Official Citation:Jianming Chen; Rihua Mao; Liyuan Zhang; Ren-yuan Zhu; , "A Study on Radiation Damage in Large Size LSO and LYSO Crystal Samples," Nuclear Science Symposium Conference Record, 2006. IEEE , vol.2, no., pp.1112-1117, Oct. 29 2006-Nov. 1 2006 doi: 10.1109/NSSMIC.2006.356041 URL:
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:23458
Deposited By: Tony Diaz
Deposited On:24 May 2011 23:16
Last Modified:23 Aug 2016 00:01

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