Meaning of superallowed in English:
superallowed
adjective
Physics(Of a beta transition) having an exceptionally high probability of occurrence as measured by the product of the half-life of the initial state and a function of the energy and momentum of the emitted electron.
Pronunciation
superallowed
/ˌsuːpərəˈlaʊd/ /ˌsjuːpərəˈlaʊd/Origin
1940s.
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