2011
DOI: 10.1103/physrevc.83.044318
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O(6)-symmetry breaking in theγ-soft nucleusXe126and its evolution in the light stable xenon isotopes

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Cited by 27 publications
(6 citation statements)
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“…Also these nuclei have previously been argued to exhibit O(6) dynamical symmetry, based on the observation of τ-selection rules related to O(5) symmetry [5]. Our recent data on 124,126 Xe [6,7], however, demonstrate the existence of (at least moderately) collective E2 transitions between states with different O(6) quantum numbers σ which is at variance with the selection rule for E2 transitions with respect to σ. A quantitative quantum number fluctuation analysis indicates a severe breaking of O(6) symmetry, at least for the isotopes 124,126 Xe.…”
Section: τ L) = A[n(n+4]−σ(σ+4)]+bτ(τ+3)+cl(l+1)contrasting
confidence: 48%
“…Also these nuclei have previously been argued to exhibit O(6) dynamical symmetry, based on the observation of τ-selection rules related to O(5) symmetry [5]. Our recent data on 124,126 Xe [6,7], however, demonstrate the existence of (at least moderately) collective E2 transitions between states with different O(6) quantum numbers σ which is at variance with the selection rule for E2 transitions with respect to σ. A quantitative quantum number fluctuation analysis indicates a severe breaking of O(6) symmetry, at least for the isotopes 124,126 Xe.…”
Section: τ L) = A[n(n+4]−σ(σ+4)]+bτ(τ+3)+cl(l+1)contrasting
confidence: 48%
“…Zhang Da-Li and Ding Bin-Gang (Da-Li & Bin-Gang, 2013) studied the structure evolution of the [124][125][126][127][128][129][130][131][132][133][134] Xe isotopic chain in the framework of the proton-neutron interacting model (IBM2), they have been calculated the B(E2) transition branching ratios, and the M1 excitations. L. Coquard et al (Coquard et al, 2011) described the low-lying collective states in 126 Xe and calculated the B(E2) values within the framework of the IBM which show a good agreement with the measured values. L Prochniak (Próchniak, 2015) studied the collective properties of the even-even 118−144 Xe isotopes within a model employing the general Bohr Hamiltonian, calculated the low energy spectra and B(E2) transition probabilities and compared the results with the experimental values.…”
Section: Introductionsupporting
confidence: 52%
“…In the case of some Xe isotopes, there are much more extensive experimental data on E2 transitions (see, [16] for 126 Xe and [42,43] for 128 Xe), but I will leave a discussion of them for a subsequent publication. Xe nuclei.…”
Section: E2 Transitionsmentioning
confidence: 99%
“…The long chain of Xe isotopes offers a good opportunity to study the evolution of these properties as the number of neutrons increases, and also to study the role of nonaxiality. Let me mention a few works that studied one or more of the even-even Xe isotopes: papers employing geometrical concepts and the Bohr Hamiltonian [2,[9][10][11][12], papers based on the interacting boson model [13][14][15][16], and papers using truncated shell model space [17][18][19].…”
Section: Introductionmentioning
confidence: 99%
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