Regional Basic Professional Training Course in Korea

Table 1.2. Average cross sections for thermal and fast neutrons
Table 1.3. Slowing down efficiency of some nuclides
Table 1.5. Types of power reactors n use in Western countries
Table 1.6. Mass and activity balances of transuranium nuclei present in a PWR fuel
(initial mass is 1 ton, burn-up 33000 MWd/Mut) .
Table 1.7. Proportion of delayed neutrons in each families (normalized to one
neutron emitted by fission) and the associated half-life in thermal neutron
induced fission of 235U
Table 1.8. Proportion of delayed neutrons for different fissioning nuclides
Fig. 1.1. The atomic system of helium
Fig. 1.2. The portion of nuclides chart
Fig. 1.3. Variation of activity with time
| List of Figures |
Fig. 1.4. Doses from cosmic radiation at various heights above sea level.
Fig. 1.5. Relative fission product yield
Fig. 1.6. Average binding energy per nucleon
Fig. 1.7. A beam of I particles per cm 2 knocking a very thin target containing N nuclei
per cm 3
Fig. 1.8. Typical microscopic cross sections (capture (below) and elastic scattering
(above)) for a heavy nuclei (238U).
Fig. 1.9. A zoom is made here in the 10 to 100 eV regions. One can see
well-isolated resonances.
Fig. 1.10. And here in the 1keV to 10 keV region.
Fig. 1.11. Typical cross sections (capture in blue line and elastic scattering in red
line) for a light nucleus (1H).
Fig. 1.12. Fission cross-sections of fissile ( 235 U) and non-fissile isotopes ( 238 U).
Fig. 1.13.
Fig. 1.14. Fission spectrum of 235 U.