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Recent experimental advances have reignited theoretical interests inheavy-flavor hadrons. In this work, we study the magnetic moments of thespin-1/2 singly charmed baryons up to the next-to-leading order in covariantbaryon chiral perturbation theory with the extended-on-mass-shellrenormalization scheme. The pertinent low energy constants $g_{1-4}$ are fixedwith the help of the quark model and the heavy quark spin flavor symmetry,while the remaining $d_2$, $d_3$, $d_5$ and $d_6$ are determined by fitting tothe lattice QCD pion-mass dependent data. We study the magnetic moments as afunction of $m_\pi^2$ and compare our results with those obtained in the heavybaryon chiral perturbation theory. We find that the loop corrections induced bythe anti-triplet states are dominated by the baryon pole diagram. In addition,we predict the magnetic moments of the spin-1/2 singly charmed baryons andcompare them with those of other approaches.

Magnetic moments of the spin-1/2 singly charmed baryons in covariant baryon chiral perturbation theory