EntityQ544431· pop 25· linked from 122 articlesinternal conversionSign in to saveradioactive decay process wherein an excited nucleus interacts electromagnetically with one of its electrons, causing it to be ejected from the atomConnectionsatomic nucleusEntitygamma rayEntitynuclideEntitynuclear isomerEntitystable isotopeEntityneutron numberEntityQ7186EntityQ7085EntityErnest RutherfordEntityEnrico FermiEntityInternational Standard Book NumberEntityprotonEntityneutronEntityatomic numberEntityPierre CurieEntityX-rayEntityJ. Robert OppenheimerPersonisotopeEntityelectromagnetismEntityJ. J. ThomsonEntityCategoriesNuclear physicsRadioactivity