Following our study of possible $K$ isomers in odd-even Md–Rg nuclei, here we continue with searching for three-quasiparticle $1\nu 2\pi$ and $3\nu$ isomer candidates in even-odd Fm–Cn nuclei. We use the same approach to calculate energies of different nuclear configurations using a microscopic-macroscopic model with the Woods-Saxon potential. We used two versions of pairing: the quasiparticle BCS method and particle number projection formalism. The optimal deformations for both ground states and high-$K$ configurations are determined through a four-dimensional energy minimization process. We point out the most promising candidates for high-$K$ isomers and compare them, where possible, with existing experimental data.

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• High spin states
• Isomer decays
• Nuclear forces
• Nuclear spin & parity
• Synthesis of new superheavy elements
• A ≥ 220