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Decay mode

From Academic Kids

In physics, the decay mode describes a particular way a particle decays.

For radioactive decay (the decay of nuclides) the decay modes are:

Typically one decay mode predominates for a particular nuclide. Branching ratios are used when this is not true.

A decay will sometimes leave the nucleus in an excited state. When long lived these states are called isomers. These isomers will typically decay to the ground state of the nuclide, but unlike the radioactive decays above these isomeric transitions do not change one nuclide into others. These decays are:

  • Emission of a high-energy photon (gamma emission)
  • Ionizing the atom (internal conversion)ja:崩壊モード

pt:Modo de decaimento it:Modo di decadimento

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