Shape coexistence in very neutron-deficient pt isotopes
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Dracoulis, G. D.
Stuchbery, A. E.
Byrne, A. P.
Poletti, A. R.
Poletti, S. J.
Gerl, J.
Bark, R. A.
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Abstract
Yrast bands in176Pt (N= 98) and178Pt have been identified. The level scheme ofl76Pt changes from a quasi-vibrational pattern to that of a well deformed rotor, at very low spins, a behaviour similar to that attributed to shape coexistence in the light Hg isotopes. Analysis of the176-188pt yrast bands supports a shape coexistence interpretation, the excitation energy of the intruder state behaving as predicted by Wood.
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Journal of Physics G: Nuclear Physics
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