Candidates for low-lying mixed-symmetry states in 140 Nd
Date
2009
Authors
Williams, Elizabeth
Casperson, R.J.
Werner, V.
Ai, H.
Boutachkov, P.
Chamberlain, M.
Gurdal, G.
Heinz, A.
McCutchan, E.A.
Qian, J.
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American Physical Society
Abstract
The nucleus Nd140 was investigated using ?-? coincidence and angular-correlation techniques following the ?/?+ decay of Sm140 and Pr140. Spins, ?-decay intensities, and E2/M1 mixing ratios were extracted from the data. The 23+ and 24+ states were identified as possible mixed-symmetry states, based on mixing ratios obtained for observed decays to the 21+ state. The relationship between the decay pattern of these two candidate states and underlying shell structure in this mass region is discussed. � 2009 The American Physical Society.
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Physical Review C: Nuclear Physics
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Journal article
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2037-12-31
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