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 |
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| Institution: | 1. Institut für Strahlenphysik der Universit?t Stuttgart, Deutschland
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| 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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