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- Title
New high-spin states of <sup>147</sup>Nd and <sup>145</sup>Ce: Octupole correlation in the N = 87 isotones.
- Authors
Venkova, Ts.; Porquet, M. -G.; Astier, A.; Deloncle, I.; Petkov, P.; Prévost, A.; Azaiez, F.; Bogachev, A.; Buta, A.; Curien, D.; Dorvaux, O.; Duchêne, G.; Durell, J.; Gall, B.; Houry, M.; Khalfallah, F.; Lucas, R.; Meyer, M.; Piqueras, I.; Redon, N.
- Abstract
High-spin states of the N = 87 nuclei, 147Nd and 145Ce, have been populated in the 12C + 238U and 18O + 208Pb fusion-fission reactions at 90 MeV and 85 MeV bombarding energy, respectively. The emitted γ-radiation was detected using the Euroball III and IV arrays. High-spin states of the 147Nd isotope have been identified for the first time. The high-spin yrast and near-to-yrast structures of the 145Ce nucleus have been considerably extended. The newly observed structures, discussed by analogy with the neighbouring isotones, show the coupling of an h 9/2 neutron to the quadrupole and octupole excitations of the core.
- Subjects
NUCLEAR fission; NUCLEAR reactions; NUCLEAR energy; RADIATION; NUCLEAR size (Physics); NUCLEAR spectroscopy; SPIN excitations; NEUTRONS
- Publication
European Physical Journal A -- Hadrons & Nuclei, 2005, Vol 26, Issue 3, p315
- ISSN
1434-6001
- Publication type
Article
- DOI
10.1140/epja/i2005-10181-4