Observation of 54Ni: cross-conjugate symmetry in f7/2 mirror energy differences.


Gamma decays from excited states up to Jpi=6+ in the N=Z-2 nucleus 54Ni have been identified for the first time. Level energies are compared with those of the isobars 54Co and 54Fe and of the cross-conjugate nuclei of mass A=42. The good but puzzling f7/ cross-conjugate symmetry in mirror and triplet energy differences is analyzed. Shell model calculations… (More)


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@article{Gadea2006ObservationO5, title={Observation of 54Ni: cross-conjugate symmetry in f7/2 mirror energy differences.}, author={Andr{\'e}s Gadea and Silvia M. Lenzi and Stefano Lunardi and N. Mărginean and A. P. Zuker and Giovanni De Angelis and M. Axiotis and Tud{\'o}n Mart{\'i}nez and Daniel R. Napoli and E. Farnea and R. Menegazzo and Paolo Pavan and Calin A. Ur and D. Bazzacco and Roberto Venturelli and P. Kleinheinz and P. Bednarczyk and D. Curien and Olivier Dorvaux and Johan Nyberg and Hubert Grawe and Magda Gorska and Marta Palacz and Krister Lagergren and L Milechina and Jon Ekman and Don Rudolph and Corina Andreoiu and Michael A. Bentley and W Gelletly and Bego{\~n}a Rubio and A Algora and E. N{\'a}cher and Leonardo Caballero and Michele Trotta and Marek Moszynski}, journal={Physical review letters}, year={2006}, volume={97 15}, pages={152501} }