2021 Impact factor 3.131
Hadrons and Nuclei
Eur. Phys. J. A 3, 237-242

Effective magnetic dipole operators for $^{\bf 88}$Sr
and $^{\bf 90}$Zr closed-shell cores

I.P. Johnstone - I.S. Towner

Department of Physics, Queen's University, Kingston, Ontario K7L 3N6, Canada

Received: 31 May 1998 Communicated by W. Weise

Core-polarisation and meson-exchange current calculations have been performed at 88Sr and 90Zr closed-shell cores to determine the effective magnetic dipole operator for valence orbitals. The values obtained show considerable core- and orbit-dependency. The results are tested in shell-model calculations for magnetic moments in N=50 and N=51 nuclides and the comparison with experiment is satisfactory.

21.10.Ky Electromagnetic moments - 21.60.Cs Shell model - 27.60.+j $90 \le A \le 149$

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