High-spin structure in 157 Er up to and above band termination

A. O. Evans,1 E. S. Paul,1 J. Simpson,2 M. A. Riley,3 D. E. Appelbe,2 D. B. Campbell,3 P. T. W. Choy,1 R. M. Clark,4 M. Cromaz,4 P. Fallon,4 A. Görgen,4,∗ D. T. Joss,2,† I. Y. Lee,4 A. O. Macchiavelli,4 P. J. Nolan,1 A. Pipidis,3 D. Ward,4 and I. Ragnarsson5 1Oliver Lodge Laboratory, University of Liverpool, Liverpool L69 7ZE, United Kingdom 2CCLRC Daresbury Laboratory, Daresbury, Warrington WA4 4AD, United Kingdom 3Department of Physics, Florida State University, Tallahassee, Florida 32306, USA 4Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA 5Department of Mathematical Physics, Lund Institute of Technology, P.O. Box 118, S-22100 Lund, Sweden (Received 8 February 2006; published 15 June 2006)