Shell model structures in the N=46 isotones $\chem{^{86}Zr}$, $\chem{^{87}Nb}$, $\chem{^{88}Mo}$, $\chem{^{89}Tc}$, $\chem{^{90}Ru}$ and $\chem{^{91}Rh}$

E. Galindo; A. Jungclaus; K.P. Lieb

doi:doi:10.1007/s100500070002

EPJ

Shell model structures in the N=46 isotones $\ensuremath{\mathsf{^{86}Zr}}$ , $\ensuremath{\mathsf{^{87}Nb}}$ , $\ensuremath{\mathsf{^{88}Mo}}$ , $\ensuremath{\mathsf{^{89}Tc}}$ , $\ensuremath{\mathsf{^{90}Ru}}$ and $\ensuremath{\mathsf{^{91}Rh}}$

E. Galindo - A. Jungclaus - K.P. Lieb

II. Physikalisches Institut, Universität Göttingen, Bunsenstr. 7-9, D-37073 Göttingen, Germany

Received: 31 July 2000 / Revised version: 18 December 2000
Communicated by D. Schwalm

Abstract
The known level energies, electromagnetic moments and decay probabilities of high-spin states in the N=46 isotones ⁸⁶Zr, ⁸⁷Nb, ⁸⁸Mo, ⁸⁹Tc, and ⁹⁰Ru are interpreted within the shell model. The single-particle space was truncated to the p_1/2 and g_9/2 orbits (relative to the ⁸⁸Sr core) and the single-particle energies and empirical two-body matrix elements derived by Gross and Frenkel were used in the calculations. Based on the generally good success of this approach, energies and decay properties of the yrast spectra in ⁹⁰Ru and ⁹¹Rh are predicted.

PACS
21.60.Cs Shell model - 23.20.Lv Gamma transitions and level energies - 21.10.-k Properties of nuclei

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EPJ

Shell model structures in the N=46 isotones , , , , and

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Shell model structures in the N=46 isotones $\ensuremath{\mathsf{^{86}Zr}}$ , $\ensuremath{\mathsf{^{87}Nb}}$ , $\ensuremath{\mathsf{^{88}Mo}}$ , $\ensuremath{\mathsf{^{89}Tc}}$ , $\ensuremath{\mathsf{^{90}Ru}}$ and $\ensuremath{\mathsf{^{91}Rh}}$