Abstract
We compute the electromagnetic structures of D and D* mesons, the singly charmed Σc, Ωc and the doubly charmed Ξcc, Ωcc baryons in 2+1 flavor Lattice QCD. We extract the charge radii and the magnetic moments of these hadrons. In general, charmed hadrons are found to be more compact as compared to light hadrons. The magnetic moments of the singly charmed baryons are found to be dominantly determined by the light quark and the role of the charm quark is significantly enhanced when it is doubly represented.
Highlights
Electromagnetic form factors reveal valuable information about the size and the shape of the hadrons
We have run our simulations on 323 × 64 lattices with 2+1 flavors of dynamical quarks and we use the gauge configurations that have been generated by the PACS-CS collaboration [4]
As for the charmed baryons we find that the electric charge radii of Ω+cc and Ξ+cc [2] are about the same size but as compared to that of the proton they are smaller
Summary
Electromagnetic form factors reveal valuable information about the size and the shape of the hadrons. We report on our recent results on the electromagnetic structure of D and D∗ mesons and the singly charmed Σc, Ωc and the doubly charmed Ξcc, Ωcc baryons as obtained in 2+1 flavor Lattice QCD [1, 2, 3]. In particular we compute the charge radii and the magnetic moments of these hadrons. Are related to the electric and magnetic form factors by GE ,B (q 2 )
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