Table B.12.

Photoneutrons currents emitted by the sodium target irradiated by monoenergetic photons from the (γ, n) reaction threshold to 30 MeV, uncertainties are absolute.

E (MeV) Neutron yield per 105 incident photons
ENDF/B-VIII.1
JENDL-5
MCNP6 PHITS TRIPOLI-4 MCNP6 PHITS TRIPOLI-4
13 0.901 ± 0.007 0.897 ± 0.000 0.898 ± 0.002 0.584 ± 0.005 0.579 ± 0.000 0.580 ± 0.001
14 2.104 ± 0.010 2.090 ± 0.000 2.090 ± 0.002 1.389 ± 0.008 1.387 ± 0.000 1.386 ± 0.002
15 3.423 ± 0.013 3.410 ± 0.000 3.409 ± 0.003 4.381 ± 0.015 4.384 ± 0.000 4.388 ± 0.003
16 6.221 ± 0.017 6.224 ± 0.001 6.224 ± 0.004 7.551 ± 0.020 7.542 ± 0.001 7.543 ± 0.004
17 9.640 ± 0.022 9.620 ± 0.000 9.613 ± 0.005 9.773 ± 0.022 9.766 ± 0.000 9.772 ± 0.005
18 12.582 ± 0.025 12.569 ± 0.000 12.574 ± 0.004 10.505 ± 0.023 10.484 ± 0.000 10.486 ± 0.003
19 13.017 ± 0.026 13.006 ± 0.000 13.010 ± 0.004 12.146 ± 0.024 12.129 ± 0.000 12.131 ± 0.004
20 11.709 ± 0.008 11.728 ± 0.000 11.725 ± 0.001 12.728 ± 0.005 12.737 ± 0.000 12.735 ± 0.001
21 10.836 ± 0.023 10.821 ± 0.000 10.819 ± 0.004 15.659 ± 0.028 15.660 ± 0.000 15.661 ± 0.005
22 11.318 ± 0.024 11.309 ± 0.000 11.305 ± 0.004 12.009 ± 0.024 11.994 ± 0.000 11.993 ± 0.004
23 13.002 ± 0.026 12.977 ± 0.000 12.973 ± 0.004 13.593 ± 0.026 13.576 ± 0.000 13.572 ± 0.004
24 15.406 ± 0.028 15.378 ± 0.000 15.372 ± 0.005 15.835 ± 0.029 15.824 ± 0.000 15.818 ± 0.005
25 17.112 ± 0.029 17.075 ± 0.000 17.069 ± 0.006 17.985 ± 0.031 17.987 ± 0.000 17.980 ± 0.006
26 16.653 ± 0.028 16.637 ± 0.000 16.630 ± 0.005 19.656 ± 0.031 19.652 ± 0.000 19.648 ± 0.006
27 15.094 ± 0.027 15.085 ± 0.000 15.080 ± 0.005 21.084 ± 0.032 21.071 ± 0.000 21.065 ± 0.007
28 13.232 ± 0.025 13.237 ± 0.000 13.231 ± 0.004 19.682 ± 0.031 19.657 ± 0.000 19.649 ± 0.006
29 11.739 ± 0.025 11.745 ± 0.000 11.741 ± 0.004 17.213 ± 0.029 17.175 ± 0.000 17.169 ± 0.006
30 10.619 ± 0.023 10.615 ± 0.000 10.609 ± 0.004 14.812 ± 0.027 14.792 ± 0.000 14.786 ± 0.005

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