(1) INRNE-BAS, 1784 Sofia, Bulgaria;(2) CSNSM, IN2P3-CNRS, F-91405 Orsay, France;(3) iThemba Laboratory for Accelerator Based Sciences, P.O. Box 722, Somerset West, South Africa;(4) Faculty of Physics, University of Sofia, 1164 Sofia, Bulgaria
Abstract:
Excited states in 191Pt have been populated using the reaction 186W + 11B at 85MeV beam energy. Gamma-ray coincidences were measured using the EUROGAM-II spectrometer array. The level scheme has been extended considerably. Evidence for favoured structures of highly triaxial shape with -90° coexisting with oblate structures has been obtained by comparison with total Routhian surface and cranked shell model calculations. The presence of proton excitations in both positive- and negative-parity states has been confirmed.
-90° coexisting with oblate structures has been obtained by comparison with total Routhian surface and cranked shell model calculations. The presence of proton excitations in both positive- and negative-parity states has been confirmed.