Abstract.
The 110,112 Rh and 114,116 Ag nuclei have been produced as fission fragments in the fusion reaction 18 O+208 Pb at 85 MeV. Their level schemes have been built from gamma-rays detected using the Euroball IV array. High-spin states of these neutron-rich nuclei have been identified for the first time. The yrast structures consist of rotational bands in which the odd proton occupies the \(\pi g_{9/2}\) sub-shell and the odd neutron the \(\nu h_{11/2}\) sub-shell. The evolution of the \(\pi g_{9/2} \otimes \nu h_{11/2}\) band structure is analyzed as a function of the neutron number.
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Communicated by D. Schwalm
Received: 20 March 2003, Revised: 8 May 2003, Published online: 23 September 2003
PACS:
21.60.Ev Collective models - 23.20.Lv \(\gamma\) transitions and level energies - 25.85.Ge Charged-particle-induced fission - 27.60.+j \(90\leq A\leq 149\)
A. Astier: Present address: CSNSM, IN2P3-CNRS and Université Paris-Sud, 91405 Orsay, France.
L. Donadille: Present address: CEA/Saclay, DSM/DAPNIA/SPhN, 91191 Gif-sur-Yvette Cedex, France.
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Porquet, MG., Venkova, T., Astier, A. et al. Evolution of the \(\pi g_{9/2} \otimes \nu h_{11/2}\) configuration in the neutron-rich \(^{110,112}_{\quad\ \; 45}Rh\) and \(^{114,116}_{\quad\ \; 47}Ag\) isotopes. Eur. Phys. J. A 18, 25–30 (2003). https://doi.org/10.1140/epja/i2003-10062-x
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DOI: https://doi.org/10.1140/epja/i2003-10062-x