Quadrupole-octupole coupled states inCd112populated in theCd111(d⃗,p)reaction

Abstract

States in $^{112}\mathrm{Cd}$ have been studied with the $^{111}\mathrm{Cd}(\stackrel{P\vec}{d},p)^{12}\mathrm{Cd}$ reaction using 22 MeV polarized deuterons. The protons from the reaction were momentum analyzed with a Q3D magnetic spectrograph, and spectra have been recorded with a position-sensitive detector located on the focal plane. Angular distributions of cross sections and analyzing powers have been constructed for the low-lying negative-parity states observed, including the ${3}^{\ensuremath{-}},\phantom{\rule{0.16em}{0ex}}{4}^{\ensuremath{-}}$, and ${5}^{\ensuremath{-}}$ members of the previously assigned quadrupole-octupole quintuplet. The ${5}^{\ensuremath{-}}$ member at 2373-keV possess the second largest spectroscopic strength observed, and is reassigned as having the ${s}_{\frac{1}{2}}\ensuremath{\bigotimes}{h}_{\frac{11}{2}}$ two-quasineutron configuration as the dominate component of its wave function.