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First, quarks have spin-angular-momentum of ; typical charge of ; and typical mass of . Accordingly, the expected quark magneton would be:
Then, in units of ,
Then, assuming that
Then, that system of equations can be quickly solved, yielding
Then, accounting for up-quarks having twice the normal quark charge; and attributing the remaining discrepancies to differences in up-quark vs. down-quark masses,
in units of . Thus, a simple picture, of down-quarks having twice the mass, and (negative) half the charge, of up quarks; qualitatively accounts, for proton & neutron magnetons, as well as masses (neutrons heavier than protons).66.235.38.214 (talk) 03:42, 18 October 2012 (UTC)[reply]