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Collective bands in the triaxial nucleus 124Xe by V. Werner; H. Meise; I. Wiedenhöver; A. Gade; P. von Brentano is a Physics and Astronomy article available to read on EtoBox.

What is Collective bands in the triaxial nucleus 124Xe about?

The nonyrast states of 124 Xe have been investigated with the 123 Te( 3 He, 2n) reaction by means of in-beam γ -spectroscopy using a setup of 6 Compton-suppressed high-purity-germanium (HPGe) detectors. More than 65 new transitions, establishing 34 new levels, were observed. γ γ -angular correlations were analyzed to assign spins and parities to the low-lying states, and to determine the multipolarities of the γ -transitions. In addition, the γ -excitation-function method was used for spin assignments. With these methods 10 (18) spin and parity assignments were made (some of them tentative) and 7 multipole mixing ratios could be determined. The excitation energies and B(E2) ratios of low-lying states are compared with predictions of the sd-IBM-1, giving rise to the identification of a 0 + state with O(6) quantum number σ = N -2. Quadrupole shape invariants for the ground state and effective deformation parameters are calculated, showing an admixture of U(5) symmetry to the ground-state wave function.

Who reads Collective bands in the triaxial nucleus 124Xe?

Author

V. Werner; H. Meise; I. Wiedenhöver; A. Gade; P. von Brentano

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0375-9474)

Published

2001

Language

EN

Field

Physics and Astronomy (Physical Sciences)