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Low-lying T=0 states in the odd-odd N=Z nucleus 62Ga

David, HM, Woods, PJ, Lotay, G, Seweryniak, D, Albers, M, Alcorta, M, Carpenter, MP, Chiara, CJ, Davinson, T, Doherty, DT , Hoffman, CR, Janssens, RVF, Lauritsen, T, Rogers, AM and Zhu, S (2013) Low-lying T=0 states in the odd-odd N=Z nucleus 62Ga Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 726 (4-5). pp. 665-669.

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Abstract

New, low-lying levels in the odd-odd, N=Z nucleus 62Ga have been identified using a sensitive technique, where in-beam γ rays from short-lived nuclei are tagged with β decays following recoil mass identification. A comparison of the results with shell-model and IBM-4 calculations demonstrates good agreement between theory and experiment, with the majority of predicted low-lying, low-spin T=0 states now identified. There is a dramatic change in the level density at low excitation energies for the N=Z nucleus 62Ga when compared with neighbouring odd-odd Ga isotopes where, in contrast, the low-lying level structure is dominated by configurations with T=1 pairing interactions between excess neutrons. This illustrates the distinctively different aspects of nuclear structure exhibited by nuclei with N=Z. © 2013 Elsevier B.V.

Item Type: Article
Authors :
NameEmailORCID
David, HM
Woods, PJ
Lotay, Gg.lotay@surrey.ac.uk
Seweryniak, D
Albers, M
Alcorta, M
Carpenter, MP
Chiara, CJ
Davinson, T
Doherty, DT
Hoffman, CR
Janssens, RVF
Lauritsen, T
Rogers, AM
Zhu, S
Date : 8 October 2013
Identification Number : 10.1016/j.physletb.2013.09.054
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:40
Last Modified : 17 May 2017 15:12
URI: http://epubs.surrey.ac.uk/id/eprint/840050

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