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IEVref:395-02-01ID:
Language:enStatus: Standard
Term: annihilation radiation
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Definition: ionizing radiation that is produced when an elementary particle and its antiparticle interact and cease to exist

Note 1 to entry: When, for example, a positron and an electron interact, two photons of energy value 0,511 MeV are emitted in opposite directions.

Note 2 to entry: This entry was numbered 393-12-13 in IEC 60050-393:2003.


Publication date:2014-03
Source:ISO 921:1997, definition 48, modified
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