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The confinement mechanism proposed earlier by the author is applied toestimate the possible parameters of the confining SU(3)-gluonic field in an$\eta^\prime$-meson. For this aim the electric form factor of an$\eta^\prime$-meson is nonperturbatively computed in an explicit analytic form.The estimates obtained are also consistent with the width of theelectromagnetic decay $\eta^\prime\to2\gamma$. The corresponding estimates ofthe gluon concentrations, electric and magnetic colour field strengths are alsoadduced for the mentioned field at the scales of the meson under consideration.

Estimates for parameters and characteristics of the confining SU(3)-gluonic field in an $\eta^\prime$-meson