. . "QCD"@en-us . "quantum chromodynamics"@en-us . "a theory of strong interactions between elementary particles (including the interaction that binds protons and neutrons in the nucleus); it assumes that strongly interacting particles (hadrons) are made of quarks and that gluons bind the quarks together"@en-us . "0"^^ . . . "06112681-n"^^ . . . "0"^^ . "106112681"^^ . "105747779"@en-us . . . . "quantum chromodynamics"^^ . .