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Lifetimes of a dipole cascade in 192Hg |
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| Authors: | P. Willsau M. Neffgen Y. Le Coz H. Hübel W. Korten F. Hannachi A. Korichi M. G. Porquet M. Kaci N. Redon M. Meyer C. W. Beausang E. S. Paul J. Simpson J. R. Hughes |
| Affiliation: | 1. Institut für Strahlenphysik der Universit?t Stuttgart, Deutschland |
| Abstract: | The β-spectrum of the 3?-2+ transition in the decay of146Pm has been investigated with a 4π-Si(Li)-semiconductor spectrometer in a β-γ-coincidence experiment for the first time. The shape factor has been determined: C(W)=1?0.394W}-0.275/W+0.044 W2. The spin and parity of the ground state of146Pm can be determined to be 3?. The shape of this non-allowed spectrum indicates the existence of the “cancellation” or “selection rule” effect. |
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