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radioactive decay
(redirected from Nuclear decay)

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.
radioactive decay [¦rād·ē·ō′ak·tiv di′kā]
(nuclear physics)
The spontaneous transformation of a nuclide into one or more different nuclides, accompanied by either the emission of particles from the nucleus, nuclear capture or ejection of orbital electrons, or fission. Also known as decay; nuclear spontaneous reaction; radioactive disintegration; radioactive transformation; radioactivity.


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If the results are confirmed, and nuclear decay is not immutable, perhaps physicists could find a way to speed it up to help get rid of waste from nuclear power plants.
Introduction Because free neutron decay is unencumbered by the many-nucleon effects present in all other nuclear decays, measurements of the parameters that describe neutron decay can be related to the fundamental weak couplings in a straightforward fashion.
Nuclear decays of thorium, uranium, and the isotopes into which those elements transform give off antineutrinos.
 
 
 
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