RbGd{sub 2}Br{sub 7}:Ce scintillators for gamma ray and thermal neutron detection

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In this paper, we report on gamma ray and thermal neutron detection with RbGd2Br7:Ce scintillators. RbGd2Br7:Ce (RGB) is a new scintillator material, which shows high light output (56,000 photons/MeV) and has a fast principal decay constant (45 ns) when doped with 10 percent Ce. These properties make RGB an attractive scintillator for g-ray detection. Also, due to the presence of Gd as a constituent, RGB has a high cross section for thermal neutron absorption and can achieve close to 100 percent stopping efficiency with 0.5 mm thick RGB crystals. Crystals of RGB with three different Ce concentrations (0.1, 5, and ... continued below

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Shah, Kanai S.; Cirignano, Leonard; Grazioso, Ronald; Klugerman, Misha; Bennett, Paul R.; Gupta, Tapan K. et al. December 25, 2001.

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In this paper, we report on gamma ray and thermal neutron detection with RbGd2Br7:Ce scintillators. RbGd2Br7:Ce (RGB) is a new scintillator material, which shows high light output (56,000 photons/MeV) and has a fast principal decay constant (45 ns) when doped with 10 percent Ce. These properties make RGB an attractive scintillator for g-ray detection. Also, due to the presence of Gd as a constituent, RGB has a high cross section for thermal neutron absorption and can achieve close to 100 percent stopping efficiency with 0.5 mm thick RGB crystals. Crystals of RGB with three different Ce concentrations (0.1, 5, and 10 percent) have been grown and their basic scintillation properties such as light output, decay time, and emission spectrum have been measured. In addition, high efficiency thermal neutron detection has been confirmed in our studies.

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  • Journal Name: IEEE Transactions on Nuclear Science; Journal Volume: 49; Journal Issue: 4 pt 1; Other Information: Journal Publication Date: 08/2002

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  • Report No.: LBNL--50253
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 823275
  • Archival Resource Key: ark:/67531/metadc786350

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  • December 25, 2001

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  • Dec. 3, 2015, 9:30 a.m.

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  • Oct. 4, 2017, 12:55 p.m.

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Shah, Kanai S.; Cirignano, Leonard; Grazioso, Ronald; Klugerman, Misha; Bennett, Paul R.; Gupta, Tapan K. et al. RbGd{sub 2}Br{sub 7}:Ce scintillators for gamma ray and thermal neutron detection, article, December 25, 2001; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc786350/: accessed December 13, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.