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Self Powered Neutron Detector

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Self Powered Neutron Detector (SPND) is a neutron detector used in nuclear fission reactors. It is a compact device extensively used worldwide for mapping of neutron flux, helping the reactor-operators in maintaining the neutron economy. It gives a direct current signal proportional to the incident flux of neutrons, due to production of negative beta particles or Compton electrons in the heart of the device.

References

  1. Todt, William. CHARACTERISTICS OF SELF-POWERED NEUTRON DETECTORS USED IN POWER REACTORS (PDF). Imaging and Sensing Technology Corporation.
  2. "What is Self-Powered Neutron Detector - Definition". Radiation Dosimetry. 2019-12-14. Retrieved 2020-11-27.
  3. Verma, V.; Barbot, L.; Filliatre, P.; Hellesen, C.; Jammes, C.; Svärd, S. Jacobsson (2017-07-11). "Self powered neutron detectors as in-core detectors for Sodium-cooled Fast Reactors". Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 860: 6–12. Bibcode:2017NIMPA.860....6V. doi:10.1016/j.nima.2017.04.011. ISSN 0168-9002.


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