Dracoulis, G. D.Fabricius, B.Stuchbery, A. E.MacChiavelli, A. O.Korten, W.Azaiez, F.Rubel, E.Deleplanque, M. A.Diamond, R. M.Stephens, F. S.2025-12-312025-12-310556-2813ORCID:/0000-0002-0198-9901/work/165394384https://hdl.handle.net/1885/733798056Excited states in the very neutron-deficient nucleus Pt174 have been identified up to spin 14. An irregular yrast sequence was observed beginning with a high 2+0+ energy. It can be interpreted as the result of a change from a weakly deformed ground-state band, to a well-deformed rotor, near spin 6.en199110.1103/PhysRevC.44.R12460000711474