Skyrme QRPA calculations support a neutron two-quasiparticle assignment nn[734↑,613↑] for the disputed 8^- isomer in 254No and predict low-energy pairing vibrational 0^+ states in 252,254No caused by suppressed neutron pairing at N=152.
Herzberg et al, Nuclear isomers in superheavy ele- ments as stepping stones towards the island of stability, Nature 442, 896 (2006)
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Low-energy spectra of nobelium isotopes: Skyrme random-phase-approximation analysis
Skyrme QRPA calculations support a neutron two-quasiparticle assignment nn[734↑,613↑] for the disputed 8^- isomer in 254No and predict low-energy pairing vibrational 0^+ states in 252,254No caused by suppressed neutron pairing at N=152.