Abstract
The lifetime andthe γ-decay to the 0+ groundstate of the lowest 3− state in 148Gd has been determined. The reduced strength B(E3, 3− → 0+)=41 (6) W.u. agrees well with the theoretical value from empirical shell model calculations and can be directly compared with the 12+ → 9− two-octupole-phonon → one-octupole-phonon strength obtained in the same Recoil Distance Method lifetime measurement. The results of our search for a three octupole-phonon state built on the (νf 7/2) 26+ state is also reported.
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Communicated by D. Schwalm
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Podolyák, Z., Bizzeti, P.G., Bizzeti-Sona, A.M. et al. Multiple octupole excitations in 148Gd. Eur. Phys. J. A 8, 147–151 (2000). https://doi.org/10.1007/s100500070099
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DOI: https://doi.org/10.1007/s100500070099