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. https://resolver.caltech.edu/CaltechAUTHORS:20160601-110925910
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Abstract
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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| 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. | |||||||||
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| Subject Keywords: | Emission, light output, longitudinal transmittance, radiation damage, scintillation crystal | |||||||||
| Issue or Number: | 2 | |||||||||
| Record Number: | CaltechAUTHORS:20160601-110925910 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20160601-110925910 | |||||||||
| 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 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Tony Diaz | |||||||||
| Deposited On: | 01 Jun 2016 19:37 | |||||||||
| Last Modified: | 09 Mar 2020 13:19 |
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