The paper calculates vector meson magnetic moments and M1 radiative decay widths for light and charm mesons, finding that both models need empirical scale factors to match measured charm decays.
Magnetic moments of mesons
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abstract
Magnetic moments of charged and neutral mesons are calculated with the use of the relativistic Hamiltonian derived from the path integral form of the $q_1\bar q_2$ Green's function. The magnetic moments are shown to be expressed via the average quark energies which are defined by the fundamental quantities: the string tension $\sigma$, the current quark masses, and the strong coupling constant $\alpha_s$. Resulting values for vector, axial, and tensor light and $K$ mesons agree well with all available lattice data.
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Systematic study of light and charm meson M1 radiative transitions
The paper calculates vector meson magnetic moments and M1 radiative decay widths for light and charm mesons, finding that both models need empirical scale factors to match measured charm decays.