Development of the fast neutron standard using a Be(α,n) reaction at the National Metrology Institute of Japan

This paper describes the 8-MeV neutron field where the neutrons are generated in the 9Be(α,n)12C reaction by bombardment of a beryllium target with a 2.4-MeV 4He+ beam from a Van de Graaff accelerator. The neutron field is being prepared for a new national standard on neutron fluence in Japan. Absol...

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Veröffentlicht in:	Radiation protection dosimetry 2007-01, Vol.126 (1-4), p.130-133
Hauptverfasser:	Shimoyama, T., Harano, H., Matsumoto, T., Moriyama, K., Hata, T., Kudo, K., Koyamada, T., Uritani, A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Beryllium - chemistry Beryllium - radiation effects Equipment Design Equipment Failure Analysis Japan Neutrons Particle Accelerators - instrumentation Particle Accelerators - standards Radiation Dosage Radiometry - instrumentation Radiometry - standards Reference Standards
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