Abstract
Gamma rays in the [Formula Presented] nucleus [Formula Presented] were identified using the reaction [Formula Presented] at a 200 MeV beam energy and an experimental setup consisting of an array of Ge detectors and the Recoil Mass Spectrometer at Oak Ridge National Laboratory. With the help of additional γ-γ coincidence data obtained with Gammasphere, these γ rays were found to form a strongly coupled rotational band with rigid-rotor-like behavior. Results of conventional Nilsson-Strutinsky cranked shell model calculations, which predict a deformation of [Formula Presented] are in excellent agreement with the properties of this band. Similar calculations for the neighboring [Formula Presented] and [Formula Presented] nuclei are also in good agreement with experimental data. This suggests that the presence of the putative [Formula Presented] neutron-proton pairing does not significantly affect such simple observables as the moments of inertia of these bands at low spins.
Original language | English |
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Pages (from-to) | R3037-R3041 |
Journal | Physical Review C - Nuclear Physics |
Volume | 58 |
Issue number | 6 |
DOIs | |
State | Published - 1998 |