fast neutron

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Related to Fast neutrons: Thermal neutrons, slow neutrons

fast neutron

n
(General Physics) physics
a. a neutron produced by nuclear fission that has lost little energy by collision; a neutron with a kinetic energy in excess of 0.1 MeV
b. a neutron with a kinetic energy in excess of 1.5 MeV, the fission threshold of uranium-238
References in periodicals archive ?
By recycling spent fuel and utilizing fast neutrons (neutrons produced by fission which are not slowed down by a moderator), these reactors are highly efficient, produce far less nuclear waste, and may have great potential for non-electrical applications of nuclear energy, particularly for industrial processes.
Likhachov explained that nuclear wastes are dangerous; however, he said that his company has an innovative system to reuse the fuel depleted in some types of power plants using fast neutrons which do the recycling of the fuel.
16]N reaction [7] to detect fast neutrons with energies [E.
The moderator can be switched out and fast neutron emitted, giving the hybrid generator the capability of emitting either thermal of fast neutrons.
Washington, July 10 ( ANI ): NASA's MESSENGER spacecraft has discovered part of the outer layer of the Sun that is sending out modestly energetic subatomic particles called fast neutrons, which flowed past Mercury into space.
Long-term side-effects of the early studies were often more severe with fast neutrons, but this was largely attributable to primitive treatment facilities (e.
As fast neutrons are desired, no moderator is necessary in this type of reactor.
To produce such fast neutrons we allow a fast moving proton obtained through an accelerator with energy 1GeV to hit the as a target.
Fermi had discovered that probability of capture was increased if fast neutrons were slowed down by collisions with a non-absorber or moderator.
Davie employs everyday analogies to explain relatively complex physical problems, my favourite being the use of a pool table to describe the interaction of fast neutrons with [H.
To minimize potential backgrounds to experiments, single-crystal bismuth filters may be placed in the beam to attenuate gamma rays and fast neutrons from upstream components in the guide.
By projecting fast neutrons into the ground and receiving returning gamma rays, an anomaly can be detected with near 100 percent accuracy in less time and with less danger to human life.