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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). ISSN 0031-9007

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Abstract

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.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Physics
Authors :
AuthorsEmail
Gadea, AUNSPECIFIED
Lenzi, S MUNSPECIFIED
Lunardi, SUNSPECIFIED
Marginean, NUNSPECIFIED
Zuker, A PUNSPECIFIED
de Angelis, GUNSPECIFIED
Axiotis, MUNSPECIFIED
Martinez, TUNSPECIFIED
Napoli, D RUNSPECIFIED
Farnea, EUNSPECIFIED
Menegazzo, RUNSPECIFIED
Pavan, PUNSPECIFIED
Ur, C AUNSPECIFIED
Bazzacco, DUNSPECIFIED
Venturelli, RUNSPECIFIED
Kleinheinz, PUNSPECIFIED
Bednarczyk, PUNSPECIFIED
Curien, DUNSPECIFIED
Dorvaux, OUNSPECIFIED
Nyberg, JUNSPECIFIED
Grawe, HUNSPECIFIED
Gorska, MUNSPECIFIED
Palacz, MUNSPECIFIED
Lagergren, KUNSPECIFIED
Milechina, LUNSPECIFIED
Ekman, JUNSPECIFIED
Rudolph, DUNSPECIFIED
Andreoiu, CUNSPECIFIED
Bentley, M AUNSPECIFIED
Gelletly, Ww.gelletly@surrey.ac.uk
Rubio, BUNSPECIFIED
Algora, AUNSPECIFIED
Nacher, EUNSPECIFIED
Caballero, LUNSPECIFIED
Trotta, MUNSPECIFIED
Moszynski, MUNSPECIFIED
Date : 1 January 2006
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
URI: http://epubs.surrey.ac.uk/id/eprint/255

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