EntityQ309940· pop 17· linked from 198 articleseta mesonSign in to saveisosinglet meson made of a mixture of up, down and strange quarks and their antiquarksConnectionsquarkEntitystrong interactionEntitybosonEntitytauEntityup quarkEntitycharm quarkEntitydown quarkEntitytop quarkEntitystrange quarkEntitybottom quarkEntityspecial unitary groupEntityEightfold WayEntitylist of mesonsEntityatomEntitygravityEntitymoleculeEntitysecondEntityelectronEntityInternational Standard Book NumberEntityprotonEntityCategoriesMesons