Electromagnetic moments of scandium isotopes and N = 28 isotones in the distinctive 0f7/2 orbit
Bai, S.W., Koszorús, Á., Hu, B.S., Yang, X.F., Billowes, J., Binnersley, C.L., Bissell, M.L., Blaum, K., Campbell, P., Cheal, B., Cocolios, T.E., de Groote, R.P., Devlin, C.S., Flanagan, K.T., Garcia Ruiz, R.F., Heylen, H., Holt, J.D., Kanellakopoulos, A., Krämer, J., . . . Yuan, C.X. (2022). Electromagnetic moments of scandium isotopes and N = 28 isotones in the distinctive 0f7/2 orbit. Physics Letters B, 829, Article 137064. https://doi.org/10.1016/j.physletb.2022.137064
Julkaistu sarjassa
Physics Letters BPäivämäärä
2022Tekijänoikeudet
© 2022 the Authors
The electric quadrupole moment of 49Sc was measured by collinear laser spectroscopy at CERN-ISOLDE to be Qs=−0.159(8) eb, and a nearly tenfold improvement in precision was reached for the electromagnetic moments of 47,49Sc. The single-particle behavior and nucleon-nucleon correlations are investigated with the electromagnetic moments of Z=21 isotopes and N=28 isotones as valence neutrons and protons fill the distinctive 0f7/2 orbit, respectively, located between magic numbers, 20 and 28. The experimental data are interpreted with shell-model calculations using an effective interaction, and ab-initio valence-space in-medium similarity renormalization group calculations based on chiral interactions. These results highlight the sensitivity of nuclear electromagnetic moments to different types of nucleon-nucleon correlations, and establish an important benchmark for further developments of theoretical calculations.
Julkaisija
ElsevierISSN Hae Julkaisufoorumista
0370-2693Asiasanat
Julkaisu tutkimustietojärjestelmässä
https://converis.jyu.fi/converis/portal/detail/Publication/117769520
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Lisätietoja rahoituksesta
We acknowledge the support of the ISOLDE collaboration and technical teams and S. R. Stroberg for the imsrg++ code [64] used to perform VS-IMSRG calculations. This work was supported by the National Key R&D Program of China (Contract No. 2018YFA0404403), the National Natural Science Foundation of China (No:11875073, U1967201, 11775316); the BriX Research Program No. P7/12, FWO-Vlaanderen (Belgium), GOA 15/010 from KU Leuven; the UK Science and Technology Facilities Council grants ST/L005794/1 and ST/P004598/1; ERC Consolidator Grant No.648381 (FNPMLS); the NSF grant PHY-1068217, the BMBF Contract No. 05P18RDCIA; the Max-Planck Society, the Helmholtz International Center for FAIR (HIC for FAIR); the EU Horizon 2020 research and innovation programme through ENSAR2 (no. 654002), NSERC under grants SAPIN-2018-00027 and RGPAS-2018-522453 and the Arthur B. McDonald Canadian Astroparticle Physics Research Institute. TRIUMF receives funding via a contribution through the National Research Council of Canada and computations of VS-IMSRG were performed with an allocation of computing resources on the Cedar at WestGrid and Compute Canada. ...Lisenssi
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