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Effects of Neutron Irradiations in Various Crystal Samples of Large Size for Future Crystal Calorimeter

Zhang, Liyuan and Mao, Rihua and Zhu, Ren-Yuan (2010) Effects of Neutron Irradiations in Various Crystal Samples of Large Size for Future Crystal Calorimeter. In: 2009 IEEE Nuclear Science Symposium Conference Record. IEEE Nuclear Science Symposium Conference Record. IEEE , Piscataway, NJ, pp. 2041-2044. ISBN 978-1-4244-3961-4.

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In this paper, we report an investigation on the radiation damage effects induced by neutrons in large size crystal scintillator: BGO, CeF_3, LYSO:Ce and PWO. The irradiations were carried out by using fast neutrons from one ^(241)Am-Be and two ^(252)Cf sources. The optical and scintillation properties of these samples, including UV excitation and emission spectra, longitudinal transmission, light output, decay kinetics and light response uniformity, were measured before and after the irradiations. The neutron induced photo-current was also measured, and was used to estimate the readout noise under the neutron flux expected by an electromagnetic calorimeter at a very severe radiation environment. Because of its high light output and excellent radiation resistance LYSO:Ce crystal is found to have the smallest neutron induced readout noise as compared to other large size crystals, indicating it is a good candidate material for a future crystal calorimeter in a severe radiation environment.

Item Type:Book Section
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URLURL TypeDescription DOIArticle
Zhang, Liyuan0000-0002-0898-787X
Zhu, Ren-Yuan0000-0003-3091-7461
Additional Information:© 2009 IEEE. 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 Award PHY-0612805.
Funding AgencyGrant Number
Department of Energy (DOE)DE-FG03-92-ER-40701
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INSPEC Accession Number11105018
Series Name:IEEE Nuclear Science Symposium Conference Record
Record Number:CaltechAUTHORS:20100823-094849693
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:19582
Deposited By: Tony Diaz
Deposited On:23 Aug 2010 20:49
Last Modified:09 Mar 2020 13:19

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