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Crossings in alternating-parity bands of neutron-rich Ba nuclei
{sup 144}Ba and {sup 146}Ba nuclei produced in the spontaneous fission of {sup 248}Cm have been studied using the EUROGRAM II array. Spins and parities of excited levels have been deduced from triple-{gamma} angular correlation and direction-polarization correlation measurements, which is the first use of these techniques in studies of fission product nuclei. Ground-state, alternating-parity bands have been extended significantly and crossing in these bands has been found in both isotopes. For the first time alternating-parity band termination by particle alignment has been observed.
Date:
July 22, 1995
Creator:
Urban, W.; Jones, M.A. & Durell, J.L.
System:
The UNT Digital Library