Collective excitations in145Ba

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 01 Sep 1978 France English Publisher:Springer Science and Business Media LLCJournal:Zeitschrift f�r Physik A: Atoms and Nuclei, volume 285, pages 259-265 (issn: 0340-2193, eissn: 1434-601X,

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Authors: Gizon, J.; Gizon, A.;

doi: 10.1007/bf01408238

Collective excitations in145Ba

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Abstract

High-spin levels in125Ba have been produced in the116Sn(12C, 3n) reaction and studied by in-beam spectroscopic methods. Two strongly populated band structures are observed. The odd-parity one is based on a 7/2− state and can be explained as the result of the coupling between anh11/2 neutron-hole and a prolate type triaxial core. The even-parity band, built on a 7/2+ state, corresponds to collective excitations associated with a neutron-hole in theg7/2 shell. Comparisons with heavier odd-A Ba isotopes and discussions are made in the frame work of the triaxial core model.

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France

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[PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]

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