Crystal growth and scintillation properties of CeF{sub 3}
Conference
·
OSTI ID:79849
- CEA-Technologies Avancees, Grenoble (France)
A few years ago Cerium fluoride (CeF{sub 3}) has been identified as a potentially interesting scintillator for high energy physics. During the last years this material has been intensively studied and it appears now as a very good candidate for high resolution electromagnetic calorimeters. Indeed CeF{sub 3} exhibits a high density (6.16 g/cm{sup 3}), small radiation length (1.68 cm) and Moliere radius (2.6 cm) and a fast luminescence with decay times lower than 30 ns and no slow components. Moreover it appeared to be highly resistant to ionizing radiations. CeF{sub 3} single crystals are generally grown using the Bridgman-Stockbarger technique under fluorine atmosphere. Some scavengers, i.e. PbF{sub 2}, can also be added to the melt to avoid oxygen incorporation. The optical and scintillation properties of large CeF{sub 3} single crystals are reported in this paper. Their radiation hardness has also been studied.
- OSTI ID:
- 79849
- Report Number(s):
- CONF-940411--; ISBN 1-55899-248-0
- Country of Publication:
- United States
- Language:
- English
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