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单词 Internal conversion
释义

Internal conversion

英语百科

Internal conversion

Decay scheme of 203Hg
Electron spectrum of 203Hg, according to  Wapstra et al., Physica 20 (1954) 169
Internal Conversion Coefficient for E1 transitions for Z = 40, 60, and 80 according to the tables by Sliv and Band, as a function of the transition energy.

Internal conversion is a radioactive decay process wherein an excited nucleus interacts electromagnetically with one of the orbital electrons of the atom. This causes the electron to be emitted (ejected) from the atom. Thus, in an internal conversion process, a high-energy electron is emitted from the radioactive atom, but not from the nucleus. For this reason, the high-speed electrons resulting from internal conversion are not beta particles, since the latter come from beta decay, where they are newly created in the nuclear decay process.

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