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Test of the Imaging Properties of Inorganic Scintillation Screens Using Fast and Slow Extracted Ion Beams

Lieberwirth, A. and Forckpresenter, P. and Kester, O. K. and Lederer, S. and Sieber, T. and Walasek-Höhne, B. and Ensinger, W. (2017):
Test of the Imaging Properties of Inorganic Scintillation Screens Using Fast and Slow Extracted Ion Beams.
Gend, Schwei7, In: IBIC2016, Barcelona, Spain, Barcelona, In: International Beam Instrumentation Conference (5th), 2016, [Conference or Workshop Item]

Abstract

In­or­ganic scin­til­la­tion screens are a com­mon trans­verse pro­file di­ag­nos­tics tool for beams ex­tracted from the heavy ion syn­chro­tron SIS18 at GSI. De­tailed in­ves­ti­ga­tions con­cern­ing light out­put, pro­file re­pro­duc­tion and spec­tral emis­sion were per­formed for phos­phor screens P43 and P46, sin­gle crys­tal YAG:Ce, alu­mina ce­ram­ics and Chromium-doped alu­mina (Chro­mox). The screens were ir­ra­di­ated with sev­eral ion species from pro­ton to Ura­nium. The par­ti­cle en­ergy was 300 MeV/u at in­ten­si­ties in the range from some 10⁶ to 10¹⁰ par­ti­cles per pulse, using ei­ther fast ex­trac­tion (1μsec­ond du­ra­tion) or slow ex­trac­tion (some 100 ms du­ra­tion). The light out­put co­in­cides for both ex­trac­tion types, i.e. no sig­nif­i­cant sat­u­ra­tion was ob­served. For all ma­te­ri­als the op­ti­cal emis­sion spec­trum is in­de­pen­dent on the ion species or beam in­ten­si­ties. Ra­di­a­tion hard­ness tests were per­formed with up to 10¹² ac­cu­mu­lated ions: The phos­phor P46 as well as YAG:Ce shows no sig­nif­i­cant de­crease of light out­put, while for P43 and Chro­mox a de­crease by 5 to 15 % was mea­sured. These re­sults will trig­ger the choice of the stan­dard screens in­stalled at the FAIR fa­cil­ity.

Item Type: Conference or Workshop Item
Erschienen: 2017
Creators: Lieberwirth, A. and Forckpresenter, P. and Kester, O. K. and Lederer, S. and Sieber, T. and Walasek-Höhne, B. and Ensinger, W.
Title: Test of the Imaging Properties of Inorganic Scintillation Screens Using Fast and Slow Extracted Ion Beams
Language: English
Abstract:

In­or­ganic scin­til­la­tion screens are a com­mon trans­verse pro­file di­ag­nos­tics tool for beams ex­tracted from the heavy ion syn­chro­tron SIS18 at GSI. De­tailed in­ves­ti­ga­tions con­cern­ing light out­put, pro­file re­pro­duc­tion and spec­tral emis­sion were per­formed for phos­phor screens P43 and P46, sin­gle crys­tal YAG:Ce, alu­mina ce­ram­ics and Chromium-doped alu­mina (Chro­mox). The screens were ir­ra­di­ated with sev­eral ion species from pro­ton to Ura­nium. The par­ti­cle en­ergy was 300 MeV/u at in­ten­si­ties in the range from some 10⁶ to 10¹⁰ par­ti­cles per pulse, using ei­ther fast ex­trac­tion (1μsec­ond du­ra­tion) or slow ex­trac­tion (some 100 ms du­ra­tion). The light out­put co­in­cides for both ex­trac­tion types, i.e. no sig­nif­i­cant sat­u­ra­tion was ob­served. For all ma­te­ri­als the op­ti­cal emis­sion spec­trum is in­de­pen­dent on the ion species or beam in­ten­si­ties. Ra­di­a­tion hard­ness tests were per­formed with up to 10¹² ac­cu­mu­lated ions: The phos­phor P46 as well as YAG:Ce shows no sig­nif­i­cant de­crease of light out­put, while for P43 and Chro­mox a de­crease by 5 to 15 % was mea­sured. These re­sults will trig­ger the choice of the stan­dard screens in­stalled at the FAIR fa­cil­ity.

Series Name: International Beam Instrumentation Conference (5th)
Volume: 2016
Place of Publication: Gend, Schwei7
Divisions: 11 Department of Materials and Earth Sciences
11 Department of Materials and Earth Sciences > Material Science
11 Department of Materials and Earth Sciences > Material Science > Material Analytics
Event Title: IBIC2016, Barcelona, Spain
Event Location: Barcelona
Date Deposited: 21 Jul 2017 09:08
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