Open AccessCrossings in alternating-parity bands of neutron-rich Ba nuclei
Author(s) -
W. Urban,
; Jones,
J. L. Durell
Publication year - 1995
Language(s) - English
Resource type - Reports
DOI - 10.2172/510564
Subject(s) - parity (physics) , spins , excited state , physics , spontaneous fission , neutron , atomic physics , fission , polarization (electrochemistry) , isotope , nuclear reaction , nuclear physics , chemistry , condensed matter physics
{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