Rotational bands in77Kr |
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Authors: | E. Nolte P. Vogt |
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Affiliation: | 1. Physik-Department der Technischen Universit?t München, Deutschland
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Abstract: | Collective bands in77Kr have been studied with the help ofγ singles spectra,γγ coincidences,γ ray angular distributions and recoil-distance life time experiments measured during the irradiation of63Cu and64Ni targets with16O ions. Positive and negative parity bands with the following level energies, spins, and parities have been found: g.s. 5/2+; 150.1 keV 7/2+; 279.1 9/2+; 784.8 11/2+; 1003.7 13/2+; 1660.5 15/2+; 1919.1 (17/2+); 66.5 keV (3/2)?; 245.3 (5/2)?; 499.6 (7/2)?; 799.5 (9/2)?; 1177.3 (11/2)?; 1569.9 (13/2)?; 2063.2 (15/2)?. A mean life time of 170±17 nsec for the 66.5 keV state was measured withγγt coincidences and a mean life time of 48±13 psec for the 245.3 keV state was obtained with a recoildistance Doppler shift measurement. |
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