🌐EnglishEnglishDeutschEspañolFrançaisPolskiTiếng Việt한국어中文日本語EntityQ25416324· pop 8· linked from 174 articlesneutrinoless double beta decaynuclear physics process that has not been observed yetAvailable in 8 languagesEspañolDeutschCatalanPolskiTiếng ViệtUzbek한국어via Wikidata sitelinks · CC0Connectionsconfidence intervalEntityprotonEntityCategoriesHypotheses in physicsNuclear physicsPhysics beyond the Standard ModelRadioactivityStandard Model