γ-ray spectroscopy of the neutron-rich nuclei Rb89, Y92, and Y93 with multinucleon transfer reactions

D. Bucurescu et al.
Phys. Rev. C 76, 064301 – Published 4 December 2007

Abstract

The positive-parity yrast states in the Rb89, Y92, and Y93 nuclei were studied using γ-ray spectroscopy with heavy-ion induced reactions. In the multinucleon transfer reactions Pb208+Zr90 (590 MeV) and U238+Se82 (505 MeV), several γ-ray transitions were identified in these nuclei by means of coincidences between recoiling ions identified with the PRISMA spectrometer and γ rays detected with the CLARA γ-ray array in thin target experiments. Level schemes were subsequently determined from triple-γ coincidences recorded with the GASP array in a thick target experiment, in the reactions produced by a 470 MeV Se82 beam with a Os192 target. The observed level schemes are compared to shell-model calculations.

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  • Received 30 August 2007

DOI:https://doi.org/10.1103/PhysRevC.76.064301

©2007 American Physical Society

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Vol. 76, Iss. 6 — December 2007

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