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 ?
Several methods are used in the literature for fast neutron detection.
Table 1 tabulated available measuring energy with different ranges for different authors [21-31] with corresponding cross section and their errors are recorded in EXFOR library for fast neutron collected for Zr(A=90 and 96) target elements for (n,2n) reaction.
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.
Thorium-based fuels could generate power in heavy-water reactors, high-temperature gas-cooled reactors, boiling and pressurised light-water reactors, and fast neutron reactors.
The fast neutron therapy programme for patients in South Africa should come to an end.
An experimental fast neutron reactor in China has begun generating electricity that enters the grid, according to Xinhua, the country's official news agency.
In the typical reactor, fast neutron are slowed down by moderators to increase the probability of collision between these slow neutrons and the fissile 235U nucleus, and thus increase the amount of energy generated by fission.
If D or T molecules are combined chemically with one oxygen atom we get heavy water which is used as stopper of fast neutron in fission reactors, so that fissionable uranium ( ) can be broken by the stopped neutrons usually known as slow neutrons.