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TUCYB1 |
Study of scintillation stability in KBr, YAG:Ce, CaF2:Eu and CsI:Tl Irradiated by Various-Energy Protons |
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- L.Y. Lin
FRIB, East Lansing, Michigan, USA
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The luminescence of KBr, YAG:Ce, CaF2:Eu and CsI:Tl scintillators induced with H2+ ion beams in the energy range of 600-2150 keV/u has been systematically measured as a function of irradiation time. The measurements showed that the luminescence of CsI:Tl and YAG:Ce remained constant within the 1-hour continuous irradiation. An initial fast drop of the luminescence on CaF2:Eu was observed but the light output eventually approached a stable state under constant ion bombardment. We also observed that the light output of KBr initially increased and then degraded gradually with further irradiation. The CsI:Tl screen produced the highest scintillation yield and KBr the lowest.
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Slides TUCYB1 [2.078 MB]
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