Fission gamma spectra and levels in Ba-139
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Analysis of 252Cf recent spontaneous-fission data from Gammasphere has enabled the discovery of transitions in 139Ba in coincidence with those of its Molybdenum fission partner. A new level scheme going up to 5 Mev includes 11 new transitions and 10 new levels. We make analogies with the 83-neutron isotone 135Te and discuss possible configurations in the spherical single-particle shell model. We suggest a band as a possible magnetic rotation band of the type treated by tilted-axis cranking theory.
author list (cited authors)
Luo, Y. X., Rasmussen, J. O., Ramayya, A. V., Hamilton, J. H., Zhang, X. Q., Hwang, J. K., ... Wu, S. C.
complete list of authors
Luo, YX||Rasmussen, JO||Ramayya, AV||Hamilton, JH||Zhang, XQ||Hwang, JK||Beyer, CJ||Kormicki, J||Ter-Akopian, GM||Oganessian, YT||Daniel, AV||Gregorich, KE||Ginter, TN||Zielinski, P||Folden, CM||Lee, IY||Fallon, P||Macchiavelli, A||Donangelo, R||Stoyer, MA||Asztalos, S||Wu, SC