• Rapid Communication

High-spin properties of octupole bands in 240Pu and 248Cm

G. Hackman, R. V. F. Janssens, T. L. Khoo, I. Ahmad, J. P. Greene, H. Amro, D. Ackermann, M. P. Carpenter, S. M. Fischer, T. Lauritsen, L. R. Morss, P. Reiter, D. Seweryniak, D. Cline, C. Y. Wu, E. F. Moore, and T. Nakatsukasa
Phys. Rev. C 57, R1056(R) – Published 1 March 1998
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Abstract

High-spin states in 94240Pu and 96248Cm have been populated with Coulomb excitation at beam energies slightly above the Coulomb barrier. In each nucleus a new side band has been identified in γ-γ coincidence measurements and has been interpreted as the lowest-lying octupole excitation. The alignments and Routhians of these bands, as well as the branching ratios of E1 decays to the ground-state bands, are in good agreement with results from cranked RPA calculations.

  • Received 12 December 1997

DOI:https://doi.org/10.1103/PhysRevC.57.R1056

©1998 American Physical Society

Authors & Affiliations

G. Hackman1, R. V. F. Janssens1, T. L. Khoo1, I. Ahmad1, J. P. Greene1, H. Amro1,2, D. Ackermann1,*, M. P. Carpenter1, S. M. Fischer1, T. Lauritsen1, L. R. Morss1, P. Reiter1, D. Seweryniak1, D. Cline3, C. Y. Wu3, E. F. Moore2, and T. Nakatsukasa4

  • 1Argonne National Laboratory, Argonne, Illinois 60439
  • 2North Carolina State University, Raleigh, North Carolina 27695Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708-0308
  • 3NSRL, University of Rochester, Rochester, New York 14627
  • 4Department of Physics, UMIST, P.O. Box 88, Manchester M60 1QD, United Kingdom

  • *Present address: INFN, Laboratori Nazionali di Legnaro, Italy.

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Vol. 57, Iss. 3 — March 1998

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