Observation of Ni-54 : Cross-Conjugate Symmetry in f(7/2) Mirror Energy Differences
Gadea, A, Lenzi, S M, Lunardi, S, Marginean, N, Zuker, A P, de Angelis, G, Axiotis, M, Martinez, T, Napoli, D R, Farnea, E, Menegazzo, R, Pavan, P, Ur, C A, Bazzacco, D, Venturelli, R, Kleinheinz, P, Bednarczyk, P, Curien, D, Dorvaux, O, Nyberg, J, Grawe, H, Gorska, M, Palacz, M, Lagergren, K, Milechina, L, Ekman, J, Rudolph, D, Andreoiu, C, Bentley, M A, Gelletly, W, Rubio, B, Algora, A, Nacher, E, Caballero, L, Trotta, M and Moszynski, M (2006) Observation of Ni-54 : Cross-Conjugate Symmetry in f(7/2) Mirror Energy Differences Physical Review Letters, 97 (15).
Gamma decays from excited states up to J(pi)=6() in the N=Z-2 nucleus Ni-54 have been identified for the first time. Level energies are compared with those of the isobars Co-54 and Fe-54 and of the cross-conjugate nuclei of mass A=42. The good but puzzling f(7/2) cross-conjugate symmetry in mirror and triplet energy differences is analyzed. Shell model calculations reproduce the new data but the necessary nuclear charge-dependent phenomenology is not fully explained by modern nucleon-nucleon potentials.
|Divisions :||Faculty of Engineering and Physical Sciences > Physics|
|Date :||1 January 2006|
|Identification Number :||10.1103/PhysRevLett.97.152501|
|Additional Information :||Published in <i>Physical Review Letters,</i> Vol. 97, Iss. 15. Copyright 2006 American Physical Society. Click <a href=http://prl.aps.org/>here</a> to access the journal's website.|
|Depositing User :||Mr Adam Field|
|Date Deposited :||27 May 2010 14:07|
|Last Modified :||23 Sep 2013 18:26|
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