Study of odd-mass N=82 isotones with realistic effective interactions

Abstract

The microscopic quasiparticle-phonon model, MQPM, is used to study the energy spectra of the odd $Z=53-63$, N=82 isotones. The results are compared with experimental data, with the extreme quasiparticle-phonon limit and with the results of an unrestricted $2s1d0g_{7/2}0h_{11/2}$ shell model (SM) calculation. The interaction used in these calculations is a realistic two-body G-matrix interaction derived from modern meson-exchange potential models for the nucleon-nucleon interaction. For the shell model all the two-body matrix elements are renormalized by the $\hat{Q}$-box method whereas for the MQPM the effective interaction is defined by the G-matrix.

Elsevier latex style espart, 26 pages, submitted to Nuclear Physics A

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