An automated fast transfer system at the research reactor Munich

X. Li, R. Henkelmann, F. Baumgärtner

Research output: Contribution to journalArticlepeer-review

17 Scopus citations


An automated fast sample transfer system for the determination of measurements of short-lived isotopes has been constructed at the Research Reactor Munich FRM. Instrumental neutron activation analysis and analysis of fissile materials by delayed neutron counting are performed on this transfer device. A LabVIEW™ program on a PC with WindowsNT operating system controls the whole pneumatic system via a PCI-1200 interface and four signal conditioning SCXI-modules of National Instruments. Infrared sensors are used to monitor key points in the transfer system. The sample capsule can be automatically removed from the "rabbit" in a special switch prior to spectrum collection. γ-Spectra are acquired by a HPGe detector with the Loss-Free-Counting method of Westphal. The delayed neutrons are measured by five 3He-detectors and a multichannel scaler. The transfer time is about 200 ms. The system and its mode of operation for routine work will be described.

Original languageEnglish
Pages (from-to)470-476
Number of pages7
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Issue number3
StatePublished - 21 Apr 2004


  • Delayed neutron counting
  • NAA
  • Rabbit system
  • Short time irradiation


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