期刊
PHYSICAL REVIEW D
卷 82, 期 11, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.82.114017
关键词
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资金
- Austrian Science Fund FWF [P20592-N16]
- Erwin-Schrodinger-Stipendium [J3039]
- Helmholtz Young Investigator Grant [VH-NG-332]
- Helmholtz International Center
- Austrian Science Fund (FWF) [P 20592] Funding Source: researchfish
- Austrian Science Fund (FWF) [P20592, J3039] Funding Source: Austrian Science Fund (FWF)
We investigate the electromagnetic form factors of the Delta and the Omega baryons within the Poincare-covariant framework of Dyson-Schwinger and Bethe-Salpeter equations. The three-quark core contributions of the form factors are evaluated by employing a quark-diquark approximation. We use a consistent setup for the quark-gluon dressing, the quark-quark bound-state kernel and the quark-photon interaction. Our predictions for the multipole form factors are compatible with available experimental data and quark model estimates. The current-quark mass evolution of the static electromagnetic properties agrees with results provided by lattice calculations.
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