NaI Improvements

• Improved Light Collection

  • larger and improved PMT’s
  • optimised geometry
  • fluid coupling to unencapsulated crystals
  • directly coupled APD’s

• Improved Activity

  • Compton veto
  • APD to remove PMT
  • Purified NaI powder
  • self-shielding crystals

• Improved Discrimination

  • optimise dopant levels
  • optimise temperature
  • optimise growth technique

• Improved Analysis Techniques....

• Longer Runtime/Mass

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