QCD is the theory underlying the strong interactions and the ... isospin, strangeness. baryon number. Mp Mn 940 MeV. Qp = 1, Qn = 0. s = gp 5.59, gn -3.83 ...
Quark and ... Results directly reflect quark, antiquark and gluon distributions ... limits us to hadrons as quark sources' or targets' These involve nucleon ...