Richtungskorrelationsuntersuchungen an den γ-Kaskaden des131Cs |
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| Authors: | R Sturm F W Theile R Thielmann E Grünberg |
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| Institution: | 1. Fachbereich Physik der Philipps-Universit?t Marburg, Deutschland
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| Abstract: | The131Cs decay has been studied by angular correlation measurements of the (404-216), (832-216), and (247-373) keV γ-cascades using NaJ(Tl)-detectors in connection with a two parameter multi-channel analyzer. Unique spin assignments are obtained for the 216 (Jπ=3/2+) and 373 (Jπ=3/2+) keV levels. A previously discussed value ofJπ=5/2+ for the 1048 keV level is ruled out. The multipole character of the 404 keV transition is found to beE2 with less than 2%M1. |
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