High-spin states in 109Te
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High-spin states have been studied in neutron-deficient 10952Te, populated through the 58Ni(58Ni, α2pn) reaction at 250 MeV. The GAMMASPHERE γ-ray spectrometer has been used in conjunction with the MICROBALL charged-particle detector and 15 neutron detectors in order to select weakly populated evaporation residues. New band structures have been established in 109Te. Measured B(E1) strengths are discussed in terms of octupole correlations in this mass region. In addition, possible noncollective oblate states have been identified.
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Physical Review C - Nuclear Physics