Elemental analysis by neutron induced nuclear reaction - Nuclear track method for the analysis of fissile materials

  • Ha, Yeong-Keong (Nuclear Chemistry Research Division, Korea Atomic Energy Research Institute) ;
  • Pyo, Hyung Yeol (Nuclear Chemistry Research Division, Korea Atomic Energy Research Institute) ;
  • Park, Yong Joon (Nuclear Chemistry Research Division, Korea Atomic Energy Research Institute) ;
  • Jee, Kwang Yong (Nuclear Chemistry Research Division, Korea Atomic Energy Research Institute) ;
  • Kim, Won Ho (Nuclear Chemistry Research Division, Korea Atomic Energy Research Institute)
  • Received : 2005.04.14
  • Accepted : 2005.06.17
  • Published : 2005.08.25


Nuclear track is an useful tool for elemental analysis of radionuclides, such as uranium, plutonium and thorium, etc., and for elements undergoing nuclear reactions with thermal neutrons such as lithium and boron. This method has various application fields such as detecting fissionable radionuelides, measuring the fission rate in nuclear technology, analyzing cosmic radiation from meteorite, calculating the age of minerals as well as their history, etc. Track registration method has been applied to the microscopic analysis of boron and fissionable element such as uranium in KAERI. This report reviews the theoretical background of the nuclear track formation, practical procedures to obtain etched tracks and a perspective of the future.


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