Abstract
The position (Er) and width (Γ) of the first S-symmetry Feshbach resonance state (FRS) of a two-electron Zee system bound via screened Coulomb interaction have been studied by adopting the soft wall strategy of the Stabilization method. Explicitly correlated Hylleraas type basis has been adopted under the variational framework to find the energy eigenstates. Critical nuclear charge (Zc) of the Zee system in FRS has been reported for different screening parameters (λ). Moreover different structural properties i.e. expectation values of radial functions and the inter-particle angles of the system have been estimated for different λ and Z.
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