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Table 13

Initial delayed neutron fraction for the TRU-started.

TRU-started composition LPSC ENDF/B6 POLITO JEFF-311 (see Sect. 3.2.5) POLIMI SERPENT POLIMI ERANOS JEFF-3.1 TU Delft ENDF/B7
Nominal flow rate Uniform sampling
β0 (pcm) 342.6 343.00 ± 0.05 334 331
βeff (pcm) 312.76 301.00 ± 0.74 302 301.9 302.1
βcirceff 0.529 0.487 0.391 0.552a
βcirc (pcm) 165.45 147 118 166.7a

Values calculated with a simplified correction method and not with ERANOS.

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