EntityQ1002712· pop 7· linked from 5 articleskaonic hydrogenSign in to saveexotic atom consisting of a negatively charged kaon orbiting a protonConnectionsJapanCountryItalyCountryelectronEntityprotonEntityX-rayEntityelectromagnetismEntityWayback MachineEntitydigital object identifierEntitystrong interactionEntityparticle physicsEntitypositronEntitynucleonEntityelectronvoltEntityFrascatiEntityQ180686EntityspectrumEntitybibcodeEntityQ118398EntitypionEntityquantum chromodynamicsEntityCategoriesAtomic physicsExotic atomsHydrogen physicsMesonsNuclear physicsQuantum chromodynamicsStrange quarkSubstances discovered in the 1990s