Irradiation Facilities

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Irradiation Facilities More Options

• Walter F.J. Müller, GSI, Darmstadt
• 12th CBM Collaboration Meeting15 October 2008

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Irradiation Facilities

• What is available 'near-by'
• Karlsruhe
• x-ray Mrad scale ok
• Cyclotron 15-40 MeV p, 1011 p/cm2/sec for 1010
  cm2 (operated by ZAG)
• CERN
• existing ? "Irradiation Facilities at CERN"
• CERF mixed field (usually 120 GeV/c hadrons on
  target)
• GIF 137Cs source (740GBq in 1997)
• PS East-Hall 24 GeV/c p, mixed field (24 GeV/c
  protons on target)
• planned ? "Working Group on Future CERN
  Irradiation Facilities"
• see also "6th LHC Radiation Workshop, November
  2007, CERN"
• PSI-PIF 71 MeV p, 5108 p/cm2/sec
• TRIGA Mainz
• Louvain

in use by P.Fischer, Sven Löchner
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Slide from Prof. Wim de Boer, Karlsruheshown in
a DEPFET project Meeting
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Present/past irradiation facilities (I)
PS East hall facility (in use)
Slide from Helmut Vincke, presented in 88th
meetingof SPSC, September 2008
Always fully booked

• Protons and mixed field irradiation
• Up to 1014 protons/(cm2hr) on a 22 cm2 surface
• Up to 1012 neutrons/(cm2hr) on a 3030 cm2
  surface (1 MeV equiv.)
• Since 1992, up to 1500 irradiated samples per
  year
• Mainly used by detector communities (trackers,
  electronics)
• Drawback parasitic operation (DIRAC), access via
  primary beam area, personnel exposure, limited
  space, limited rate

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The End
Thanks for your attention