Table 3

The main technical characteristics of neutron source.

Source type Source dimensions (active part), mm Neutron intensity, neutrons s−1 Maximum activity Pu-239 at source

  Diameter, D (d) Height (Length) H (h), (L)   Bq Ci
ИБН-12 54 (46) 64 (46) (5.0 ± 1.0) × 107 1.3 × 1012 35

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