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This detector is the ideal companion for the 518000 multichannel analyser. It is powered directly by the MCA unit.
The caesium iodide scintillation crystal used measures 6 x 6 x 15 mm, which provides an exceptional angular resolution, e.g. for Compton scattering experiments.
This crystal size will obviously be less sensitive than the huge NaI crystals commonly used with photomultiplier tubes, but with our standard gamma source from Risø Educational Sources, a total count rate of 1,800 per second can still be achieved.
Energy resolution (full width at half maximum) is approx. 7% at 662 keV (Cs-137) and 5% at 1333 keV (Co-60). The detector's bias voltage is software-controlled (through the MCA) in order to keep the gain independent of temperature.
The caesium iodide scintillation crystal used measures 6 x 6 x 15 mm, which provides an exceptional angular resolution, e.g. for Compton scattering experiments.
This crystal size will obviously be less sensitive than the huge NaI crystals commonly used with photomultiplier tubes, but with our standard gamma source from Risø Educational Sources, a total count rate of 1,800 per second can still be achieved.
Energy resolution (full width at half maximum) is approx. 7% at 662 keV (Cs-137) and 5% at 1333 keV (Co-60). The detector's bias voltage is software-controlled (through the MCA) in order to keep the gain independent of temperature.
Properties
- F518500