Nuclear structure and band mixing in Pt 194
2021
We introduce a two-particle, two-hole mixed configuration scheme to fit $E2$ strengths for the $0\ensuremath{\leftrightarrow}2, 2\ensuremath{\leftrightarrow}4$, and $4\ensuremath{\leftrightarrow}6$ transitions in $^{194}\mathrm{Pt}$. The interaction includes two sets of pairing operators, {${S}^{\ifmmode\pm\else\textpm\fi{}}(t),{S}^{0}(t)$} $(t=s,d)$. Solutions within this framework are used to analyze energy spectra, $E2$ transitions, and band-mixing features of the model. The results confirm that mixing is small and similar for $J=2$, 4, and 6, with the calculated energies and transition matrix elements in excellent agreement with experimental data.
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