Nuclear Engineering and Technology

Korean Nuclear Society (한국원자력학회)
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A 30 MeV-cyclotron-based quasi-monoenergetic neutron source

  • Kuo-Yuan Chu (Isotope Application Division, Institute of Nuclear Energy Research) ;
  • Weng-Sheng Kuo (Nuclear Engineering Division, Institute of Nuclear Energy Research) ;
  • How-Ming Lee (Physics Division, Institute of Nuclear Energy Research) ;
  • Yiin-Kuen Fuh (Department of Mechanical Engineering, National Central University)
  • Received : 2022.10.20
  • Accepted : 2023.01.20
  • Published : 2023.05.25
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Abstract

This study developed a quasi-monoenergetic neutron source (QMN) for the semiconductor device's soft error rate test (SER). Quasi-monoenergetic neutrons are generated by 9Be(p, n)9B nuclear reaction with a 1 mm beryllium target and 30 MeV protons from a cyclotron. An 8 mm water in the back of the beryllium target is used for avoiding proton penetration. The neutron spectra simulated by MCNP showed that the peak energy was around 26.5 MeV. The heat flow and mechanical properties are numerically analyzed, and the safe operating conditions are therefore determined.

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References

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