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34 s isomer at high spin in Fr212: Evidence for a many-particle octupole coupled state

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Date

1990

Authors

Byrne, A. P.
Dracoulis, G. D.
Schiffer, K. J.
Davidson, P. M.
Kibédi, T.
Fabricius, B.
Baxter, A. M.
Stuchbery, A. E.

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Abstract

A very high spin isomeric state with m=34(3) s has been observed at an excitation energy of 8.5 MeV in Fr212. The experimental evidence favors an E3 assignment, with a very large E3 transition strength, B(E3)=100(12)×103 e2fm6, to one of the rays de-exciting the isomer. The observed properties are in very good agreement with the characteristics of a 34+ state predicted by the multiparticle octupole vibration model.

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https://hdl.handle.net/1885/733798024

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ANU Research Publications

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Physical Review C - Nuclear Physics

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Journal article

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DOI

10.1103/PhysRevC.42.R6

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