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  Electromagnetic moments of the antimony isotopes 112−133Sb

Lechner, S., Miyagi, T., Xu, Z., Bissell, M., Blaum, K., Cheal, B., et al. (2023). Electromagnetic moments of the antimony isotopes 112−133Sb. Physics Letters B, 847: 138278. doi:10.1016/j.physletb.2023.138278.

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Lechner, S., Author
Miyagi, T.1, Author                 
Xu , Z.Y., Author
Bissell, M.L., Author
Blaum, K.1, Author                 
Cheal, B., Author
Devlin, C.S., Author
Garcia Ruiz, R.F., Author
Ginges, J.S.M., Author
Heylen, H.1, Author           
Holt, J.D., Author
Imgram , P., Author
Kanellakopoulos, A., Author
Koszorús, Á., Author
Malbrunot-Ettenauer, S., Author
Neugart, R.1, Author           
Neyens, G., Author
Nörtershäuser , W., Author
Plattner, P.1, Author           
Rodríguez, L. V.1, Author           
Sanamyan, G., AuthorStroberg, S.R., AuthorUtsuno, Y., AuthorYang, X.F., AuthorYordanov, D.T., Author more..
Affiliations:
1Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society, ou_904548              

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Free keywords: Collinear laser spectroscopy, Electromagnetic moments, Ab-initio calculation
 Abstract: Nuclear moments of the antimony isotopes 113−133Sb are measured by collinear laser spectroscopy and used to benchmark phenomenological shell-model and ab initio calculations in the valence-space in-medium similarity renormalization group (VS-IMSRG). The shell-model calculations reproduce the electromagnetic moments over all Sb isotopes when suitable effective g-factors and charges are employed. Good agreement is achieved by VS-IMSRG for magnetic moments on the neutron-deficient side for both odd-even and odd-odd Sb isotopes while its results deviate from experiment on the neutron-rich side. When the same effective g-factors are used, VS-IMSRG agrees with experiment nearly as well as the shell model. Hence, the wave functions are very similar in both approaches and missing contributions to the M1 operator are identified as the cause of the discrepancy of VS-IMSRG with experiment. Electric quadrupole moments remain more challenging for VS-IMSRG.

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 Dates: 2023-12-10
 Publication Status: Published online
 Pages: 9
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1016/j.physletb.2023.138278
 Degree: -

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Title: Physics Letters B
  Other : Phys. Lett. B
Source Genre: Journal
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Publ. Info: Amsterdam : Elsevier B.V.
Pages: - Volume / Issue: 847 Sequence Number: 138278 Start / End Page: - Identifier: ISSN: 0370-2693
CoNE: https://pure.mpg.de/cone/journals/resource/954925524777