Study of the N = 50 major shell effect toward $^{78}$Ni at PARRNe : Evidence of a weak-coupling structure in $^{83}_{32}$Ge_{51}$ - IN2P3 - Institut national de physique nucléaire et de physique des particules
Article Dans Une Revue The European physical journal. A, Hadrons and Nuclei Année : 2006

Study of the N = 50 major shell effect toward $^{78}$Ni at PARRNe : Evidence of a weak-coupling structure in $^{83}_{32}$Ge_{51}$

Résumé

The γ-ray de-excitations following the β-decay of 83Ga and the β-n decay of 84Ga have been studied. The radioactive species were produced using the PARRNe on-line mass-separator installed at the IPN Orsay Tandem accelerator. Two γ-lines were attributed to 83Ge with the aid of β-γ and γ-γ coincidences. The Z identification of the γ-lines was provided by time analysis of a buid-up/decay cycle. The excited levels of 83Ge can be explained by the coupling of the single neutron state ν2d 5/2 to the first 2+ excitation of the 82Ge core.

Dates et versions

in2p3-00087849 , version 1 (27-07-2006)

Identifiants

Citer

O. Perru, D. Verney, F. Ibrahim, O. Bajeat, C. Bourgeois, et al.. Study of the N = 50 major shell effect toward $^{78}$Ni at PARRNe : Evidence of a weak-coupling structure in $^{83}_{32}$Ge_{51}$. The European physical journal. A, Hadrons and Nuclei, 2006, 28, pp.307-312. ⟨10.1140/epja/i2005-10285-9⟩. ⟨in2p3-00087849⟩
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