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Gamma-Ray Induced Radiation Damage Up to 340 Mrad in Various Scintillation Crystals

Yang, Fan and Zhang, Liyuan and Zhu, Ren-Yuan (2016) Gamma-Ray Induced Radiation Damage Up to 340 Mrad in Various Scintillation Crystals. IEEE Transactions on Nuclear Science, 63 (2). pp. 612-619. ISSN 0018-9499.

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Because of their superb energy resolution and detection efficiency scintillation crystals are widely used in high energy and nuclear physics experiments. A crucial issue is radiation damage in crystals. We report an investigation on γ-ray induced radiation damage in various crystal scintillators of large size, including BaF_2, BGO, CeF_3, pure CsI, LSO/LYSO/LFS and PWO, with an integrated dose up to 340 Mrad and a dose rate up to 1 Mrad/h. Optical and scintillation properties of these crystal samples were measured before and after irradiations. The results show that pure CsI has good radiation hardness below 100 krad. BaF_2, BGO and LYSO have good radiation hardness beyond 1 Mrad. In terms of light output degradation LYSO is clearly the best among all scintillation crystals.

Item Type:Article
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URLURL TypeDescription
Zhang, Liyuan0000-0002-0898-787X
Zhu, Ren-Yuan0000-0003-3091-7461
Additional Information:© 2015 IEEE. Manuscript received July 20, 2015; revised November 16, 2015; accepted December 01, 2015. Date of publication March 09, 2016; date of current version April 15, 2016. This work was supported in part by the U.S. Department of Energy Grant DE-SC0011925.
Funding AgencyGrant Number
Department of Energy (DOE)DE-SC0011925
Subject Keywords:Emission, light output, longitudinal transmittance, radiation damage, scintillation crystal
Issue or Number:2
Record Number:CaltechAUTHORS:20160601-110925910
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Official Citation:F. Yang, L. Zhang and R. Y. Zhu, "Gamma-Ray Induced Radiation Damage Up to 340 Mrad in Various Scintillation Crystals," in IEEE Transactions on Nuclear Science, vol. 63, no. 2, pp. 612-619, April 2016. doi: 10.1109/TNS.2015.2505721
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:67541
Deposited By: Tony Diaz
Deposited On:01 Jun 2016 19:37
Last Modified:09 Mar 2020 13:19

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