What is decay chain?

Decay Chain

In nuclear science, the decay chain refers to the radioactive decay of different discrete radioactive decay products as a chained series of transformations. Most radioactive elements do not decay directly to a stable state, but rather undergo a series of decays until eventually a stable isotope is reached.

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Some articles on decay chain:

Beta Decay Chains in Uranium & Plutonium Fission Products
... Therefore they undergo multiple beta decays in succession, each converting a neutron to a proton ... The first decays tend to have higher decay energy and shorter half-life ... These last decays may have low decay energy and/or long half-life ...
Radioactive Source - Mathematics of Radioactive Decay - Universal Law of Radioactive Decay - Chain-decay Processes
... Chain of two decays Now consider the case of a chain of two decays one nuclide A decaying into another B by one process, then B decaying into another C by a second process, i.e ... The previous equation cannot be applied to a decay chain, but can be generalized as follows ... The decay rate of B is proportional to the number of nuclides of B present, so again we have but care must be taken ...
Thorium Fuel Cycle - Nuclear Reactions With Thorium - Uranium-232 Contamination
... a relatively short half-life (68.9 years), and some decay products emit high energy gamma radiation, such as 224Rn, 212Bi and particularly 208Tl ... The full decay chain, along with half-lives and relevant gamma energies, is 232U decays to 228Th where it joins decay chain of 232Th Thorium-cycle fuels produce hard gamma ... separation of thorium from uranium removes the decay product 228Th and the radiation from the rest of the decay chain, which gradually build up as 228Th reaccumulates ...
Isotopes Of Radon
... Four isotopes, 218, 219, 220, 222Rn occur in trace quantities in nature as decay products of, respectively, 218At, 223Ra, 224Ra, and 226Ra. 218Rn and 222Rn are intermediate steps in the decay chain for 238U, 219Rn is an intermediate step in the decay chain for 235U and 220Rn occurs in the decay chain ...
Radium Series
... In nuclear science, the decay chain refers to the radioactive decay of different discrete radioactive decay products as a chained series of transformations ... Most radioactive elements do not decay directly to a stable state, but rather undergo a series of decays until eventually a stable isotope is reached ... Decay stages are referred to by their relationship to previous or subsequent stages ...

Famous quotes containing the words chain and/or decay:

    It could not have come down to us so far,
    Through the interstices of things ajar
    On the long bead chain of repeated birth,
    To be a bird while we are men on earth,
    Robert Frost (1874–1963)

    She is a prude in her own defence ... under the specious mask of propriety, she conceals the decay of her worn-out charms.
    Molière [Jean Baptiste Poquelin] (1622–1673)