2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/183377We calculate the dependence of the nuclear magnetic moments on the quark masses including the spin-spin interaction effects and obtain limits on the variation of the fine structure constant $α$ and $(m_q/Λ_{QCD})$ using recent atomic clock experiments examining hyperfine transitions in H, Rb, Cs, Yb$^+$ and Hg$^+$ and the optical transition in H, Hg$^+$ and Yb$^+$ .Nuclear TheoryAstrophysicsHigh Energy Physics - PhenomenologyAtomic PhysicsDependence of nuclear magnetic moments on quark masses and limits on temporal variation of fundamental constants from atomic clock experimentstext