Abstract
The yrast structure of the neutron-rich nucleus $^{97}\mathrm{Zr}$ has been studied using fission of targetlike products in the reaction of a $^{48}\mathrm{Ca}$ beam on a thick $^{238}\mathrm{U}$ target. The level scheme, known from previous studies up to an excitation energy and spin-parity of approximately 4619 keV and $23/{2}^{\ensuremath{-}}$, has been extended by about 3 MeV and a few units of angular momentum. Two states fed in the $\ensuremath{\beta}$ decay of the $27/{2}^{\ensuremath{-}}$ high-spin isomer in $^{97}\mathrm{Y}$ were identified at 5570 and 5606 keV. The located level structure can be discussed in terms of shell-model configurations.
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