fast neutron


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Related to fast neutron: 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 ?
Russia nowadays creates the technological base to provide a practical solution for the closure of NFC with fast neutron reactors as the cornerstone of this process.
Prompt neutrons are born at energy ranges from 0.1 to 10 MeV but the fast neutron spectrum component is shifted to lower energies due to the elastic and inelastic scattering interactions of fast neutrons with sodium as well as structural and other materials existing in SFR.
Since then, diamond detectors have been explored for use in extreme environments [7-11], microdosimetry [12, 13], and thermal [10, 14, 15] and fast neutron sensing [10, 16-20], including deuterium-deuterium (DD) and deuterium-tritium (DT) fusion plasma diagnostics [21, 22].
Several methods are used in the literature for fast neutron detection.
The calculation of the production yields of Zr (A=90 and 96) target elements by neutron irradiation is selected at 1x[10.sup.9] (n/[cm.sup.2].s) fast neutron flux [20].
It is also capable of gamma-ray spectroscopy, thermal neutron detection and fast neutron detection, all in one multi-mode scintillation detector.
He covers nuclear reaction d + t > alpha + eta, sources of 14 MeV neutrons, detectors, nuclear reactions induced by 14 MeV neutrons, a method for analyzing fast neutron activation, applications of tagged neutron beams, logging nuclear reactions, and medical applications of 14 MeV neutrons.
Chinese nuclear scientists intend to work with Russian colleagues on the development of fast neutron reactors, Yu Zusheng, a spokesman for China's State Nuclear Power Technology Corporation (SNPTC) said recently.
At the moment the only one in the world fast neutron reactor is operated in Russia.
The technology he is investigating is named Pulsed Fast Neutron Analysis and it has enormous potential.