Inelastic Scattering of 4-Mev Protons and Deuterons from Separated Isotopes ofDy161,Dy163,Yb171, andYb173

Abstract

The inelastic scattering of protons and deuterons from the odd isotopes of Dy and Yb has been measured at energies around 4 Mev in a heavy-particle spectrometer at a scattering angle of 145°. Isotopically pure targets were prepared in an electromagnetic isotope separator. Inelastic groups corresponding to the two lowest rotational states were observed in ${\mathrm{Dy}}^{161}$ at 44 kev and 102 kev, in ${\mathrm{Dy}}^{163}$ at 74 kev and 170 kev, in ${\mathrm{Yb}}^{171}$ at 67 kev and 76 kev, and in ${\mathrm{Yb}}^{173}$ at 78 kev and 181 kev. The reduced electric quadrupole transition probabilities for these levels were determined.