Recoil distance lifetime measurements of states in the oblate dipole bands of [sup 197,198]Pb
Lifetimes of states in four of the oblate dipole bands in [sup 197,198]Pb have been measured with the recoil distance technique. Using all the available data on lifetimes and branching ratios, and assuming pure magnetic dipole transitions, we deduce transition probabilities. The results are consiste...
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Veröffentlicht in: | Physical review. C, Nuclear physics Nuclear physics, 1994-07, Vol.50:1 |
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Hauptverfasser: | , , , , , , , , , , , , , , , , , , , , , , , |
Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | Lifetimes of states in four of the oblate dipole bands in [sup 197,198]Pb have been measured with the recoil distance technique. Using all the available data on lifetimes and branching ratios, and assuming pure magnetic dipole transitions, we deduce transition probabilities. The results are consistent with weakly oblate collective structures involving high-[ital K] proton configurations coupled to rotationally aligned neutrons. Comparsions are made to the theoretical estimates of the Doenau and Frauendorf semi-classical model and the tilted axis cranking (TAC) model. |
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ISSN: | 0556-2813 1089-490X |
DOI: | 10.1103/PhysRevC.50.84 |