The impact of hyperfine interaction on the charge radius of Protons


Abstract: In this paper, the wave function of a Proton has been calculated via solving the Dirac equation for a three-particle system. Then, the charge radius of the proton was measured. Isospin-Isospin interaction was added to the system as a perturbation factor, and the variation of the charge radius of Proton was considered. Finally, the spin-spin and spin-isospin interactions on the charge radius of the Proton were calculated based on this method.

Keywords: Wave function of Protons, isospin, Dirac equation, Jacobean coordinate, charge radius

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