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nuke21
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If an nuclide can be fissioned by thermal neutrons does that always mean it can be fissioned by fast neutrons. If not how can one tell this by looking at the neutron cross section?
Fast neutrons and thermal neutrons are two types of neutrons that can be found in nuclear reactions. Fast neutrons have high energy and move at high speeds, while thermal neutrons have lower energy and move at slower speeds.
The main difference between fast neutrons and thermal neutrons is their energy levels and speeds. Fast neutrons have higher energy and move at higher speeds, while thermal neutrons have lower energy and move at slower speeds.
Fast neutrons and thermal neutrons are both used in different types of nuclear reactions. Fast neutrons are used in nuclear fission reactions, while thermal neutrons are used in nuclear fusion reactions.
The effectiveness of fast neutrons and thermal neutrons in nuclear reactions depends on the type of reaction. Fast neutrons are more effective in nuclear fission reactions, while thermal neutrons are more effective in nuclear fusion reactions.
Yes, fast neutrons and thermal neutrons can be converted into each other through a process called moderation. In this process, fast neutrons are slowed down and converted into thermal neutrons, while thermal neutrons can be accelerated to become fast neutrons. This conversion is important in controlling nuclear reactions and producing energy.