First experimental test of X(5) critical-point symmetry in the A ∼ 130 mass region: Low-spin states and the collective structure of 130 Ce
Excited, low-spin states in Ce130 are populated in the ?+/? decay of Pr130 and studied through off-beam ?-ray spectroscopy at the Yale moving tape collector. New coincidence data lead to the construction of a substantially revised level scheme. The low-lying states of Ce130 are compared with the predictions of the X(5) critical-point model and the X(5)-?4 model, and the latter is found to give better agreement with the data in terms of energies. Discrepancies in the relative B(E2) values in...[Show more]
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|Source:||Physical Review C: Nuclear Physics|
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