Reference, Questions and Help => Nuke Q&A => Definitions => Topic started by: Rennhack on Nov 23, 2005, 03:52
Title: Fast fission
Post by: Rennhack on Nov 23, 2005, 03:52
Fission of a heavy atom (such as uranium-238) when it absorbs a high energy (fast) neutron. Most fissionable materials need thermal (slow) neutrons in order to fission.