Electromagnetic transition form factors, $E2/M1$ and $C2/M1$ ratios of the baryon decuplet

Abstract

We investigate the electromagnetic transition form factors of the baryon decuplet to the baryon octet, based on the self-consistent SU(3) chiral quark-soliton model, taking into account the effects of explicit breaking of flavor SU(3) symmetry. We emphasize the $Q^2$ dependence of the electromagnetic $N\to \Delta$ transition form factors and the ratios of $E2/M1$ and $C2/M1$ in comparison with the experimental and empirical data. In order to compare the present results of the electromagnetic transition form factors of the $N\to \Delta$ with those from lattice QCD, we evaluate the form factors with the pion mass deviated from its physical value. The results of the $E2/M1$ and $C2/M1$ ratios are in good agreement with the lattice data. We also present the results of the electromagnetic transition form factors for the decuplet to the octet transitions.

arXiv comment25 pages and 11 figures. The text has been reorganized

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Cited by in corpus (5)

• Electromagnetic Transition Form Factors of Baryon Resonances
• Electromagnetic transitions of the singly charmed baryons with spin 3/2
• Gravitational form factors of the baryon octet with flavor SU(3) symmetry breaking
• Axial-vector transition form factors of the baryon octet to the baryon decuplet with flavor SU(3) symmetry breaking
• Meson cloud contributions to the Dalitz decays of decuplet to octet baryons