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 neutrons - Definition 

Fast neutron (702 bytes)
1: ... energy neutrons produced in cosmic showers. Fast neutrons are produced by nuclear processes such as [[nucle...
3: ...ght water]], or [[graphite]] are used to moderate neutrons.

Neutron source (750 bytes)
1: ...n as bright sparks, but the sparks each have many neutrons in them.
3: ...ryllium is hit by [[alpha particle]]s at about 30 neutrons/million alpha particles.

Pulse neutron generator (501 bytes)
1: ...ve decades. Neutrons are 'fired' as [[plasma]]. [[Neutrons]] are usually [[bonded]] to [[protons]].

Neutron flux (151 bytes)
3: n : the rate of flow of neutrons; the number of neutrons passing through a unit area in unit time

Thermal reactor (481 bytes)
3: ...rmal neutron]]s, so preventing the capture of the neutrons by [[Uranium 238]].

Hydrogen-5 (960 bytes)
1: ...ther, becoming a nucleus with one proton and four neutrons. The remaining proton may be detected, and the ex...

Neutron diffraction (1447 bytes)
2: ...r nuclei can serve as diffraction obstacles. When neutrons from a reactor are slowed down and selected prope...
6: ...between neutron and [[X-ray diffraction]] is that neutrons are sensitive to magnetic forces in the material.

Neutron emission (431 bytes)
3: ...he nucleus. Some examples of isotopes which emit neutrons are [[Beryllium]]-13 and [[Carbon]]-14.
10: [[ca:Emissió de neutrons]]

Thermal neutron (1242 bytes)
1: ...cules). After a number of collisions with nuclei, neutrons arrive at this energy level, provided that they a...
3: Thermal neutrons have a much larger effective cross-section than [...
5: ...thers, called [[fast breeder]] reactors, use fast neutrons directly.

Neutron moderator (1907 bytes)
4: ...t nuclei which do not easily absorb neutrons. The neutrons strike the nuclei and bounce off. In this process...
6: ...mendous amount of energy. The newly released fast neutrons must be slowed down (moderated) before they can b...
8: ...ut relies on fission produced by unmoderated fast neutrons to sustain the chain reaction.

Isotone (568 bytes)
4: ...ng the same mass number, i.e. sum of protons plus neutrons.

Hydrogen-7 (882 bytes)
1: ... atoms. In the resulting reaction, the helium-8's neutrons were donated to the hydrogen. The two remaining p...

Neutron radiation (3310 bytes)
1: ...utron radiation''' consists of free [[neutron]]s. Neutrons may be emitted during [[nuclear fission]] (either...
3: ...s themselves. This occurs through the capture of neutrons by atomic nuclei, which are transformed to anothe...
5: ... elements undergo atomic [[transmutation]]. Fast neutrons are produced by fission and fusion reactions and ...
7: ... reactor]]s) and all nuclear weapons rely on fast neutrons. This requires certain changes in the design and...
9: Cosmogenic neutrons, neutrons produced from [[cosmic radiation]] in the earth's...

Dineutron (544 bytes)
3: A system made up of only two neutrons is not bound, though the attraction between them ...

Gold synthesis (2130 bytes)
10: ...isotopes in order to get the mercury 197. However neutrons of so high-energy can be produced only by particl...

Hydrogen-4 (926 bytes)
1: .... In this experiment, the tritium nuclei captured neutrons from the fast-moving deuterium nucleus. The prese...

Administratium (2333 bytes)
6: ...eutrons, 75 vice-neutrons, and 111 assistant vice-neutrons. This gives it a [[mass number]] of 312. These 31...
10: ...stant neutrons, vice-neutrons, and assistant vice-neutrons exchange places. Studies have shown that the atom...

Subcritical reactor (1417 bytes)
3: ...neutrons. Particle accelerators cannot accelerate neutrons, but produce them by [[spallation]].

Interacting boson model (474 bytes)

Neutron transport (1927 bytes)
1: ...s of free [[neutron]]s are obtained by extracting neutrons from [[neutron source]]s.
3: ...lecting properties of the inner wall of the tube. Neutrons are indeed reflected at a wall, but usually at an...

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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "neutrons".