The Use of Configuration Interaction Method for Describing ”fine” - Splitting Effects in the Bound Two-quark System
نویسنده
چکیده
The screened quasi-relativistic potential is used for describing spin-orbit splitting in PJ waves of quark-antiquark system. Fermi-Breit equation is solved numerically in configuration interaction approximation. This approximation takes into account the mixing of wave functions up to fifth order and corrects substantially perturbation calculations. The nature of potentials Lorentz transformation property is elucidated. Very good quantitative results for bb and cc quarkonia and quite acceptable qualitative characteristics as well as for systems with unequal masses are
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حالات مزونها و وابستگی آنها به اسپین و ایزواسپین
Meson is composed of one quark and one antiquark moving under the effect of confinement, oscillating and color potentials. Since quarks are particles with spin , there is a spin-spin interaction potential. Also we have isospins for u and d quarks and we can consider related potentials on isospin-isospin and spin-isospin effects. By comparing the given meson spectrum with the amount calculated...
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