Nuclear Data Sheets for A = 134

Sonzogni, A. A.

doi:10.1016/j.nds.2004.11.001

Cited by 176 publications

(127 citation statements)

References 199 publications

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“…The data on low-spin states in 134 Xe originate from earlier work employing β decay [15][16][17][18] and Coulomb excitation [19,20]. The most recent study was performed by Ahn et al [21] [24]. The authors claim that the transitions below those isomeric states are not observed, although a clear indication for the 847-keV 2 + 1 → 0 + transition below the isomeric states is visible in the corresponding γ-ray spectrum.…”

mentioning

confidence: 99%

High-spin structure ofXe134

Vogt¹,

Birkenbach²,

Reiter³

et al. 2016

Phys. Rev. C

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Detailed spectroscopic information on the N ∼ 82 nuclei is necessary to benchmark shell-model calculations in the region. The nuclear structure above long-lived isomers in 134 Xe is investigated after multinucleon transfer (MNT) and actinide fission. Xenon-134 was populated as (i) a transfer product in 136 Xe+ 238 U, and 136 Xe+ 208 Pb MNT reactions and (ii) as a fission product in the 136 Xe+ 238 U reaction employing the high-resolution Advanced Gamma Tracking Array (AGATA). Trajectory reconstruction has been applied for the complete identification of beam-like transfer products with the magnetic spectrometer PRISMA. The 136 Xe+ 198 Pt MNT reaction was studied with the γ-ray spectrometer GAMMASPHERE in combination with the gas detector array CHICO. Several high-spin states in 134 Xe on top of the two long-lived isomers are discovered based on γγ coincidence relationships and information on the γ-ray angular distributions as well as excitation energies from the total kinetic energy loss and fission fragments. The revised level scheme of 134 Xe is extended up to an excitation energy of 5.832 MeV with tentative spin-parity assignments up to 16 + . Previous assignments of states above the 7 − isomer are revised. Latest shell model calculations employing two different effective interactions reproduce the experimental findings and support the new spin and parity assignments.

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confidence: 99%

High-spin structure ofXe134

Vogt¹,

Birkenbach²,

Reiter³

et al. 2016

Phys. Rev. C

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“…The results shown in (29) and (30) are only relevant to nuclear system in the large-N limit with equidistant spectrum in τ:…”

Section: Fit To the E(5) Resultsmentioning

confidence: 99%

“…1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 134 Ba, and 128 Xe with those obtained from the EXT, the CQ, the model with the sextic potential in β (SET) [9], and the E(5) model, where the experimental data of 102 Pd were taken from [7], those of 134 Ba were taken from [5] and [30], those of 128 Xe were taken from [31], CQ N denotes the consistent-Q description at the critical point with N bosons, and "-" denotes that the corresponding B(E2) value was not determined experimentally. 108 Pd, and 114,116 Cd, where "-" denotes either that the corresponding B(E2) value was not determined experimentally, or that the theoretical value was not provided in [9], the experimental data of 104 Ru were taken from [32][33][34], those of 108 Pd were taken from [35], those of 114 Cd were taken from [36], and those of 116 Cd were taken from [37,38], CQ N denotes the consistent-Q description at the critical point with N bosons.…”

Section: Discussionmentioning

confidence: 99%

Alternative solvable description of the E(5) critical point symmetry in the interacting boson model

Pan

et al. 2015

Phys. Rev. C

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A solvable extended Hamiltonian that includes multi-pair interactions among s-and d-bosons up to infinite order within the framework of the interacting boson model is proposed to gain a better description of E(5) model results for finite-N systems. Numerical fits to low-lying energy levels and reduced E2 transition rates within this extended version of the theory are presented for various N values. It shows that the extended Hamiltonian within the IBM provides a better description of the E(5) model results for small N cases, while the results of the model in the large-N cases are close to those of the E(5)-β 2n type models studied previously.

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“…The half-lives and P n values for the neutron-rich Sb nuclei are listed in Table I, (7) [26]. The details of these QRPA(GT+ff) calculations are described by Möller, Pfeiffer, and Kratz [27].…”

mentioning

confidence: 99%

“…Guided and motivated by these results, not only has a considerable effort been focused on developing new experimental techniques to identify a large number of new, r-process relevant isotopes (the majority of them in the A ∼ 130 mass region), but also to test in great detail the possible impact of different theoretical models for nuclear masses and gross β-decay properties. The resulting information has been reported in a wide range of publications [1,[4][5][6][7][14][15][16][17][18][19][20][21][22][23][24][25][26][27]29,31,33].…”

mentioning

confidence: 99%

DECAY OF THE r-PROCESS NUCLIDES ^137,138,139Sb AND THE A=130 SOLAR r-PROCESS ABUNDANCE PEAK

Arndt¹,

Kratz²,

Farouqi³

et al. 2013

Capture Gamma-Ray Spectroscopy and Related Topics

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Decay of the r-process (15) ms and 27(4)%, and 273(7) ms and 50(8)% for 136,137 Sn, respectively, have also been measured. The sources were prepared by using the selective ionization of Sb or Sn with the Resonance Ionization Laser Ion Source and the high-resolution mass separator. The new data for Sb isotopes are compared with calculated T 1/2 and P n values for both spherical and nonspherical shapes. The data have been incorporated into parametrized nucleosynthesis calculations of the r process in high-entropy winds of core-collapse supernovae in order to study the properties of the A = 130 solar-system r-process abundance peak.

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Nuclear Data Sheets for A = 134

Cited by 176 publications

References 199 publications

High-spin structure ofXe134

High-spin structure ofXe134

Alternative solvable description of the E(5) critical point symmetry in the interacting boson model

DECAY OF THE r-PROCESS NUCLIDES ^137,138,139Sb AND THE A=130 SOLAR r-PROCESS ABUNDANCE PEAK

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Nuclear Data Sheets for A = 134

Cited by 176 publications

References 199 publications

High-spin structure ofXe134

High-spin structure ofXe134

Alternative solvable description of the E(5) critical point symmetry in the interacting boson model

DECAY OF THE r-PROCESS NUCLIDES 137,138,139Sb AND THE A=130 SOLAR r-PROCESS ABUNDANCE PEAK

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DECAY OF THE r-PROCESS NUCLIDES ^137,138,139Sb AND THE A=130 SOLAR r-PROCESS ABUNDANCE PEAK