Possible Candidates for Chirality in the Odd-Odd As Isotopes

Liu, C.; Wang, S. Y.; Qi, B.; Jia, Hui

doi:10.1088/0256-307x/37/11/112101

Cited by 6 publications

(3 citation statements)

References 36 publications

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“…It has been extensively used in the investigation of chiral doublet bands [46][47][48]. We obtained the deformation parameters (β 2 , γ ) = (0.37, 23.6 • ) for the π g 9/2 ⊗ νg 9/2 configuration from the previous relativistic mean-field (RMF) calculations [2,49]. The deformation parameter β 2 = 0.37 was used as input to the TPRM calculations.…”

Section: Discussionmentioning

confidence: 99%

Chirality and octupole correlations in As74

Xu¹,

Wang²,

Liu³

et al. 2022

Phys. Rev. C

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High-spin states in 74 As were studied using the 74 Ge( 4 He, 1p3n) reaction at beam energies of 58.6 and 62.6 MeV. Two positive-and one negative-parity bands have been identified in 74 As. The two positive-parity bands are interpreted as chiral doublet bands, which is supported by the triaxial particle rotor model. Three electric dipole transitions linking the yrast positive-and negative-parity bands were also observed in this work, suggesting the existence of octupole correlations in 74 As.

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Section: Discussionmentioning

confidence: 99%

Chirality and octupole correlations in As74

Xu¹,

Wang²,

Liu³

et al. 2022

Phys. Rev. C

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“…The starting point of the RMF theory is the standard effective Lagrangian density constructed with the degrees of freedom associated with a nucleon field (ψ), two isoscalar meson fields (σ and ), the isovector meson field ( ), and the photon field ( ). This theory has been successfully applied to study triaxial shape coexistence and possible MχD in many nuclei, e.g., Co isotopes [80], As isotopes [81], Br isotopes [82], Rb isotopes [83],…”

Section: Formalism and Numerical Detailmentioning

confidence: 99%

Possible existence of chiral and multiple chiral nuclei in thallium isotopes *

Guo

et al. 2022

Chinese Phys. C

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The chirality in thallium isotopes is investigated by using adiabatic and configuration-fixed constrained triaxial relativistic mean field theory. Several minima with prominent triaxial deformation and proper configuration, where the chiral doublet bands are possible to appear, are obtained in odd-odd nuclei $^{192,194,196,198}$Tl and odd-mass nuclei $^{193,195,197}$Tl. Furthermore, the possible existence of multiple chiral doublet bands (M$\chi$D) is demonstrated in $^{192,193,194,195,196,197,198}$Tl. As chiral doublet bands in $^{193,194,198}$Tl and M$\chi$D in $^{195}$Tl have been observed in experiment, further experimental explorations for the chirality in $^{192,196,197}$Tl and M$\chi$D in thallium isotopes are expected to verify the predictions.

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“…As mentioned above, the single-particle levels are usually the input quantities in further theoretical calculations(cf., e.g., Refs. [64,65]), e.g., the calculations of High-K isomers, shell correction, pairing correction, etc. Both the energy uncertainties and the correlation effects are of importance for further uncertainty predictions.…”

Section: Correlation Coefficients Between Single-particle Energiesmentioning

confidence: 99%

Uncertainty evaluation and correlation analysis of single-particle energies in phenomenological nuclear mean field: An investigation of propagating uncertainties for independent model parameters

Zhang,

Wang,

Meng

et al. 2021

Preprint

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Based on Monte Carlo approach and conventional error analysis theory, taking the heaviest doubly magic nucleus 208 Pb as an example, we firstly evaluate the propagated uncertainties of universal potential parameters for three typical types of single-particle energies in the phenomenological Woods-Saxon mean field. Accepting the Woods-Saxon modeling with uncorrelated model parameters, we find that the standard deviations of single-particle energies obtained by the Monte Carlo simulation and the error propagation rules are in good agreement with each other. It seems that the energy uncertaintis of the single-particle levels regularly evoluate with some quantum numbers to a large extent for the given parameter uncertainties. Further, the correlation properties of the singleparticle levels within the domain of input parameter uncertainties are analyzed using the method of statistical analysis, e.g., with the aid of Pearson correlation coefficients. It is found that the positive, negative or unrelated relationship may appear between two selected single-particle levels, which will be very helpful for evaluating the theoretical uncertainty related to the single-particle levels (e.g., K isomer) in nuclear structural calculations.

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Possible Candidates for Chirality in the Odd-Odd As Isotopes

Cited by 6 publications

References 36 publications

Chirality and octupole correlations in As74

Chirality and octupole correlations in As74

Possible existence of chiral and multiple chiral nuclei in thallium isotopes *

Uncertainty evaluation and correlation analysis of single-particle energies in phenomenological nuclear mean field: An investigation of propagating uncertainties for independent model parameters

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