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Nuclear Theory·nucl-th

Friday·December 6, 2019

6 papers—3 primary·3 cross-listed

All6Primary3Cross-lists3
  1. 01

    Ab initio models of atomic nuclei: challenges and new ideas

    Andreas Ekström🇸🇪

    This review presents some of the challenges in constructing models of atomic nuclei starting from theoretical descriptions of the strong interaction between nucleons. The focus is on statistical computing and methods for analyzing the link between bulk properties of atomic nuclei, such as radii and binding energies, and the underlying microscopic description of the nuclear interaction. The importance of careful model calibration and uncertainty quantification of theoretical predictions is highlighted.

    nucl-th4 citations
  2. 02

    Description of proton-rich nuclei in the region with the Gamow shell model

    Nicolas Michel · Jian Guo Li · Fu Rong Xu · Wei Zuo

    The Gamow shell model is utilized to describe nuclear observables of the weakly bound and resonance isotonic states of O at proton drip-line. It is hereby shown that the presence of continuum coupling leads to complex Coulomb contributions in the spectrum of these isotones. The necessity to include the effects of three-body forces, either by a direct calculation or by adding an -dependence to the nucleon-nucleon interaction, already noticed in other theoretical models, is pointed out. It is also demonstrated that our approach is predictive for reaction observables.

    nucl-thPRC(2019)·25 citations
  3. 03

    Transverse wobbling in an even-even nucleus

    Q. B. Chen🇩🇪 · S. Frauendorf🇺🇸 · C. M. Petrache🇫🇷

    Two new bands built on the two-quasiparticle configuration of the even-even nucleus Ba are investigated using constrained triaxial covariant density functional theory combined with quantum particle rotor model calculations. The energy difference between the two bands, as well as the available electromagnetic transition probabilities and , are well reproduced. The analysis of the angular momentum geometry reveals that the higher band represents transverse wobbling motion of a two-quasiparticle configuration. This is the first example of two-quasiparticle wobbling bands in an even-even nucleus.

    nucl-thnucl-exPRC(2019)·51 citations

Affiliations

first authorsco-authorsvia INSPIRE