Low-spin excitations in 97 Zr

摘要: The main goal of this work is the determination spins and parities excited states in $^{97}\mathrm{Zr}$, among others 2264.3-keV level, which had previously been tentatively reported as $11/{2}^{\ensuremath{-}}$ excitation corresponding to ${h}_{11/2}$ neutron orbital. Low-spin $^{97}\mathrm{Zr}$ were populated via cold-neutron capture reaction. $\ensuremath{\gamma}$ rays emitted following reaction measured using highly efficient array high-purity germanium detectors, EXILL, at Institut-Laue-Langevin (ILL), Grenoble. primary deexciting state identified for first time. new, precise binding energy 5569.15(4) keV differs significantly from value literature. level scheme has amended by several new low-spin levels. ($n,\ensuremath{\gamma}$) data complemented a measurement ${\ensuremath{\beta}}^{\ensuremath{-}}$ decay $^{97}\mathrm{Y}$ Lohengrin fission-fragment separator ILL, observation neutron-induced fission $^{235}\mathrm{U}$ EXILL Ge array. combined allowed unique spin-parity assignments many levels $^{97}\mathrm{Zr}$. with assignment $9/{2}^{+}$, may correspond $\ensuremath{\nu}{g}_{9/2}$ extruder