Radiation Damage of Oxy-Orthosilicate Scintillation Crystals Under Gamma and High Energy Proton Irradiation

Radiation damage effects in lutetium, yttrium and gadolinium oxy-orthosilicates, Lu 2 SiO 5 :Ce, Y 2 SiO 5 :Ce, Gd 2 SiO 5 :Ce under γ- and protons irradiation have been investigated. Crystals were irradiated with a 60 Co gamma source to a total dose of 2000 Gy and a high-rate 24-GeV proton beam at...

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Bibliographic Details
Published in:IEEE transactions on nuclear science 2014-02, Vol.61 (1), p.495-500
Main Authors: Auffray, E., Fedorov, A., Korjik, M., Lucchini, M., Mechinski, V., Naumenko, N., Voitovich, A.
Format: Article
Language:English
Subjects:
Absorption
Color
Color centers
Crystals
Energy (nuclear)
Gadolinium
Ions
Irradiation
Oxy-orthosilicate of lutetium
Phosphorescence
Proton irradiation
Protons
Radiation damage
Radiation effects
scintillating crystal
Synchrotrons
yttrium gadolinium
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Summary:Radiation damage effects in lutetium, yttrium and gadolinium oxy-orthosilicates, Lu 2 SiO 5 :Ce, Y 2 SiO 5 :Ce, Gd 2 SiO 5 :Ce under γ- and protons irradiation have been investigated. Crystals were irradiated with a 60 Co gamma source to a total dose of 2000 Gy and a high-rate 24-GeV proton beam at CERN PS, to a fluence of ~3.6 ×10 13 p/cm 2 . Color centers created under irradiation, phosphorescence and its mechanism in the crystals are discussed.
ISSN:0018-9499
1558-1578
DOI:10.1109/TNS.2013.2285249