It is said that the Earth is turning into a black hole, that neutron reactions have been happening.
2.
In this kind of RTG, the alpha decay from the radioisotope is also used in alpha-neutron reactions with a suitable element such as beryllium.
3.
Some of these neutron reactions ( such as the r-process and s-process ) involve absorption by atomic nuclei of high-temperature ( high energy ) neutrons from the star.
4.
While the best known neutron reactions are neutron scattering, neutron capture, and nuclear fission, for some light nuclei ( especially odd-odd nuclei ) the most probable reaction with a thermal neutron is a transfer reaction:
5.
High-level radioactive materials handling studies were carried out at the BREN Tower, recently demolished by implosion in Jackass Flats, where it was moved after 1963 for the High Energy Neutron Reaction Experiment ( HENRE ) series.
6.
C oncentration / Density "': Neutron reactions leading to scattering, capture or fission reactions are more likely to occur in dense materials; conversely neutrons are more likely to escape ( leak ) from low density materials.
7.
The Americans stopped sharing any information on heavy water production, the manufacture of uranium hexafluoride, the method of electromagnetic separation, the physical or chemical properties of plutonium, the details of bomb design, or the facts about fast neutron reactions.
8.
The pure 3 He reaction suffers from a fuel-availability problem . 3 He occurs in only minuscule amounts naturally on Earth, so it would either have to be bred from neutron reactions ( counteracting the potential advantage of aneutronic fusion ), or mined from extraterrestrial sources.
9.
In many substances, thermal neutron reactions show a much larger effective cross-section than reactions involving faster neutrons, and thermal neutrons can therefore be absorbed more readily ( i . e ., with higher probability ) by any unstable isotope of the chemical element as a result.
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