Doorway States in the Gamma Decay-Out of the Yrast Superdeformed Band in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mmultiscripts><mml:mrow><mml:mi mathvariant="normal">C</mml:mi><mml:mi mathvariant="normal">u</mml:mi></mml:mrow><mml:mprescripts/><mml:none/><mml:mn>59</mml:mn></mml:mmultiscripts></mml:math>
C. AndreoiuDepartment of Physics, Lund University, S-22100 Lund, SwedenT. DøssingC. FahlanderDepartment of Physics, Lund University, S-22100 Lund, SwedenI. RagnarssonD. RudolphDepartment of Physics, Lund University, S-22100 Lund, SwedenS. ÅbergR. A. E. AustinDepartment of Physics and Astronomy, McMaster University, Hamilton, Ontario, Canada L8S 4M1M. P. CarpenterPhysics Division, Argonne National Laboratory, Argonne, Illinois 60439, USAR. M. ClarkNuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USAR. V. F. JanssensPhysics Division, Argonne National Laboratory, Argonne, Illinois 60439, USAT. L. KhooPhysics Division, Argonne National Laboratory, Argonne, Illinois 60439, USAF. G. KondevPhysics Division, Argonne National Laboratory, Argonne, Illinois 60439, USAT. LauritsenPhysics Division, Argonne National Laboratory, Argonne, Illinois 60439, USAT. RodingerDepartment of Physics and Astronomy, McMaster University, Hamilton, Ontario, Canada L8S 4M1D. G. SarantitesChemistry Department, Washington University, St. Louis, Missouri 63130, USAD. SeweryniakPhysics Division, Argonne National Laboratory, Argonne, Illinois 60439, USAT. SteinhardtInstitut für Kernphysik, Universität zu Köln, D-50937 Köln, GermanyC. E. SvenssonNuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USAO. ThelenInstitut für Kernphysik, Universität zu Köln, D-50937 Köln, GermanyJ. C. WaddingtonDepartment of Physics and Astronomy, McMaster University, Hamilton, Ontario, Canada L8S 4M1
2003lv
ABI
Abstract
The decay-out process of the yrast superdeformed band in 59Cu has been investigated. The firm determination of spin, parity, excitation energy, and configuration of the states involved in this process constitutes a unique situation for a detailed understanding of the decay-out mechanism. A theoretical model is introduced that includes a residual interaction and tunneling matrix element between bands, calculated in the configuration-dependent cranked Nilsson-Strutinsky model. This interaction causes the decay to occur via a small number of observed doorway states.
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Cited by 30 references