Conclusions
The 10% error required by consumers in [29] in determining the cross section of (α, n) reaction for Li, Be, B, C, O, F at energies up to 10 MeV has now basically been achieved.
Comparison of the theoretical and experimental yields shows that the calculation has an accuracy of the same level as experiment. Therefore, calculation of the neutron yield from chemical compounds of actinides may be used at a level of 10% error.
The indeterminacy in the cross section of the (α, n) reaction remains the basic source of error in calculating the neutron yields from thick targets. The use of stopping-power data from [25] gives more satisfactory agreement between the theoretical and experimental yields. The error appearing here is around 5%. In calculating the yields from compounds including actinides, the total error on account of other factors (T1/2, Eα) is no more than 3%.
To increase the reliability of calculation of the neutron yield from compounds, including transplutonium elements, it is expedient to measure both the yields and energy losses.
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Translated from Atomnaya Énergiya, Vol. 62, No. 4, pp. 232–236, April, 1987.
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Vukolov, V.A., Chukreev, F.E. Neutron yield for chemical compounds of actinides. At Energy 62, 271–276 (1987). https://doi.org/10.1007/BF01123366
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DOI: https://doi.org/10.1007/BF01123366