🌐EnglishEnglishDeutschEspañolFrançaisItalianoРусский한국어中文日本語EntityQ2620219· pop 12· linked from 14 articlesKoide formulaunexplained empirical equation in particle physicsAvailable in 11 languagesEspañolFrançais日本語РусскийItalianoCatalanChuvashSlovenianUkrainian한국어via Wikidata sitelinks · CC0ConnectionsHiggs bosonEntityPhysics LettersEntityCategories1980s in scienceEmpirical lawsLeptonsUnsolved problems in physics