γ-ray spectroscopy of neutron-deficient Ra isotopes

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, , Citation J F C Cocks and the JUROSPHERE Collaboration 1999 J. Phys. G: Nucl. Part. Phys. 25 839 DOI 10.1088/0954-3899/25/4/050

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1 Department of Physics, University of Jyväskylä, 40351 Jyväskylä, Finland

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  1. Received 16 November 1998

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0954-3899/25/4/839

Abstract

Excited states have been observed for the first time in 206,208,210Ra and in each case a decay scheme has been established up to Iπ = (8+). A sudden fall in excitation energy is observed for the 8+ state in 206Ra, along with a large increase in the B(E2) value for the 8+–6+ transition. This may be evidence for mixing with a deformed structure at spin eight.

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10.1088/0954-3899/25/4/050