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Superdeformed band in Dy155: Where does the ‘‘island’’ of superdeformation end?

Phys. Rev. C 54, R2806(R) – Published 1 December 1996
S. M. Fischer, R. V. F. Janssens, M. A. Riley, R. R. Chasman, I. Ahmad, D. J. Blumenthal, T. B. Brown, M. P. Carpenter, G. Hackman, D. J. Hartley, T. L. Khoo, T. Lauritsen, W. C. Ma, D. Nisius, J. Simpson, and P. G. Varmette

Abstract

A superdeformed band of 15 transitions has been found in the Dy155 nucleus. The measurement was performed with a backed target and the large deformation was inferred from the measured Doppler shifts. The new band displays an intensity pattern much different from typical superdeformed bands in this mass region. The dynamic moment of inertia is essentially identical to that of band 1 in Dy153 and is somewhat larger than those of the yrast superdeformed bands in Dy152,154, suggesting that the associated configuration has an additional N=7, j15/2 intruder orbital occupied with respect to the Dy154 core. © 1996 The American Physical Society.

DOI: http://dx.doi.org/10.1103/PhysRevC.54.R2806

  • Received 9 September 1996
  • Published in the issue dated December 1996

© 1996 The American Physical Society

Authors & Affiliations

S. M. Fischer, R. V. F. Janssens, M. A. Riley, R. R. Chasman, I. Ahmad, D. J. Blumenthal, T. B. Brown, M. P. Carpenter, G. Hackman, D. J. Hartley, T. L. Khoo, T. Lauritsen, W. C. Ma, D. Nisius, J. Simpson, and P. G. Varmette

  • Florida State University, Tallahassee, Florida 32306
  • Mississippi State University, Mississippi State, Mississippi 39762
  • CCLRC, Daresbury Laboratory, Daresbury, Warrington WA4 4AD, United Kingdom

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