Structural Changes along and above the Yrast Line of <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><mmultiscripts><mrow><mi mathvariant="normal">Dy</mi></mrow><mprescripts></mprescripts><mrow></mrow><mrow><mn>154</mn></mrow><mrow></mrow><mrow></mrow></mmultiscripts></mrow></math></span>

W. C. Ma; M. A. Quader; H. Emling; T. L. Khoo; I. Ahmad; P. J. Daly; B. K. Dichter; M. Drigert; U. Garg; Z. W. Grabowski; R. Holzmann; R. V. F. Janssens; M. Piiparinen; W. H. Trzaska; T. -F. Wang

doi:10.1103/PhysRevLett.61.46

Structural Changes along and above the Yrast Line of ${}^{154}{Dy}$

W. C. Ma, M. A. Quader, H. Emling, T. L. Khoo, I. Ahmad, P. J. Daly, B. K. Dichter, M. Drigert, U. Garg, Z. W. Grabowski, R. Holzmann, R. V. F. Janssens, M. Piiparinen, W. H. Trzaska, and T. -F. Wang

Phys. Rev. Lett. 61, 46 – Published 4 July 1988

Abstract

States in ${}^{154}{Dy}$ have been located up to $I^{π} = 48^{+}$ and their lifetimes measured. Marked structural changes occur along the yrast line with a transition from prolate to oblate shape, followed by an unexpected return to moderate collectivity at the highest spins. Structural changes with increasing energy above the yrast line are also observed.

Received 29 December 1987

DOI:https://doi.org/10.1103/PhysRevLett.61.46

Authors & Affiliations

W. C. Ma¹, M. A. Quader², H. Emling^1,*, T. L. Khoo¹, I. Ahmad¹, P. J. Daly², B. K. Dichter^1,†, M. Drigert^3,‡, U. Garg³, Z. W. Grabowski², R. Holzmann^1,*, R. V. F. Janssens¹, M. Piiparinen^2,§, W. H. Trzaska², and T. -F. Wang¹

¹Argonne National Laboratory, Argonne, Illinois 60439
²Purdue University, West Lafayette, Indiana 47907
³University of Notre Dame, Notre Dame, Indiana 46556

^*Present address: GSI, Darmstadt, West Germany.
^†Present address: Panametrics, Inc., Waltham, MA 02254.
^‡Present address: Idaho National Engineering Laboratory, Idaho Falls, ID 83415.
^§Permanent address: University of Jyväskylä, Jyväskylä, Finland.