Abstract:The electromagnetic form factors of the spin-3/2 Ω baryons, namely the Ω, Ω * c , Ω * cc and Ω ccc , are calculated in full QCD on 32 3 x 64 PACS-CS lattices with a pion mass of 156(9) MeV. The electric charge radii and magnetic moments from the E0 and M1 multipole form factors are extracted. Results for the electric quadrupole form factor, E2, are also provided. Quark sector contributions are computed individually for each observable and then combined to obtain the baryon properties. Charm quark contributions… Show more
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