Breakdown of K selection in 178Hf.


Coulomb activation of the four quasiparticle Kpi=16+ 178Hf isomer (t1/2=31 y) has led to the measurement of a set of Elamda matrix elements coupling the isomer band to the ground band. The present data combined with earlier 178 Hf Coulomb excitation data have probed the components in the wave functions and revealed the onset and saturation of K mixing in low-K bands, whereas the mixing is negligible in the high-K bands. The implications can be applied to other quadrupole-deformed nuclei.

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@article{Hayes2006BreakdownOK, title={Breakdown of K selection in 178Hf.}, author={Author Bruce Hayes and Doug Cline and Chin Yun Wu and Jingwei Ai and Husein Amro and C. W. Beausang and Richard F. Casten and Juergen Gerl and Adam A Hecht and Andreas Heinz and Richard E. Hughes and R . V . F . Janssens and Casey J. Lister and A . O . Macchiavelli and Drew A Meyer and Edward F. Moore and Pawel Jan Napiorkowski and Richard C Pardo and Ch Schlegel and Dariusz Seweryniak and Mark Simon and J . Srebrny and R . Teng and Kai Vetter and H . J . Wollersheim}, journal={Physical review letters}, year={2006}, volume={96 4}, pages={042505} }