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

Author

Auffray, E. ; Fedorov, A. ; Korjik, M. ; Lucchini, Maristella ; Mechinski, V. ; Naumenko, N. ; Voitovich, A.

Author_Institution

CERN, Geneva, Switzerland

Volume

61

Issue

1

fYear

2014

fDate

Feb. 2014

Firstpage

495

Lastpage

500

Abstract

Radiation damage effects in lutetium, yttrium and gadolinium oxy-orthosilicates, Lu₂SiO₅:Ce, Y₂SiO₅:Ce, Gd₂SiO₅:Ce under γ- and protons irradiation have been investigated. Crystals were irradiated with a ⁶⁰Co 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 ×10¹³ p/cm². Color centers created under irradiation, phosphorescence and its mechanism in the crystals are discussed.

Keywords

cerium; colour centres; gadolinium compounds; gamma-ray effects; lutetium compounds; phosphorescence; proton effects; scintillation; yttrium compounds; ⁶⁰Co; ⁶⁰Co gamma source; Gd₂SiO₅:Ce; Lu₂SiO₅:Ce; Y₂SiO₅:Ce; color centers; electron volt energy 24 GeV; gadolinium oxy-orthosilicates; gamma irradiation; high energy proton irradiation; lutetium oxy-orthosilicates; oxy-orthosilicate scintillation crystals; phosphorescence; radiation absorbed dose 2000 Gy; radiation damage; yttrium oxy-orthosilicates; Absorption; Color; Crystals; Ions; Phosphorescence; Protons; Radiation effects; Oxy-orthosilicate of lutetium; phosphorescence; radiation damage; scintillating crystal; yttrium gadolinium;

fLanguage

English

Journal_Title

Nuclear Science, IEEE Transactions on

Publisher

ieee

ISSN

0018-9499

Type

jour

DOI

10.1109/TNS.2013.2285249

Filename

6704865