Rotational Bands in the Doubly Magic Nucleus N56i

D. Rudolph, C. Baktash, M. J. Brinkman, E. Caurier, D. J. Dean, M. Devlin, J. Dobaczewski, P.-H. Heenen, H.-Q. Jin, D. R. LaFosse, W. Nazarewicz, F. Nowacki, A. Poves, L. L. Riedinger, D. G. Sarantites, W. Satuła, and C.-H. Yu
Phys. Rev. Lett. 82, 3763 – Published 10 May 1999
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Abstract

Structures of the medium- to high-spin states in the doubly magic nucleus 56Ni have been investigated using the reaction 28Si(36Ar,2α) and the γ-ray spectrometer Gammasphere in conjunction with the 4π charged-particle detector array Microball. Two well-deformed rotational bands have been identified. There is evidence that one of the bands, which is identical to a sequence in the odd-odd neighbor 58Cu, partially decays via proton emission into the ground state of 55Co. Predictions of extensive large-scale shell-model and cranked Hartree-Fock and Hartree-Fock-Bogolyubov calculations are compared with the experimental data.

  • Received 29 June 1998

DOI:https://doi.org/10.1103/PhysRevLett.82.3763

©1999 American Physical Society

Authors & Affiliations

D. Rudolph1, C. Baktash2, M. J. Brinkman2, E. Caurier3, D. J. Dean2,6, M. Devlin4, J. Dobaczewski5,6,7, P.-H. Heenen8, H.-Q. Jin2,*, D. R. LaFosse4,†, W. Nazarewicz2,5,6, F. Nowacki3, A. Poves9, L. L. Riedinger6, D. G. Sarantites4, W. Satuła5,6,7, and C.-H. Yu2

  • 1Department of Physics, Lund University, S-22100 Lund, Sweden
  • 2Physics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831
  • 3Institut de Recherches Subatomiques, CNRS-IN2P3 et Université Louis Pasteur, F-67037 Strasbourg, France
  • 4Chemistry Department, Washington University, St. Louis, Missouri 63130
  • 5Institute of Theoretical Physics, Warsaw University, PL-00681 Warsaw, Poland
  • 6Department of Physics, University of Tennessee, Knoxville, Tennessee 37996
  • 7Joint Institute for Heavy Ion Research, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831
  • 8Service de Physique Nucléaire Théorique, U.L.B-C.P. 229, B-1050 Brussels, Belgium
  • 9Departamento de Fisica Teorica, Universidad Autonoma de Madrid, E-28049 Madrid, Spain

  • *Present address: NASA Ames Research Center, Moffett Field, CA 94035.
  • Present address: SUNY Stony Brook, Stony Brook, NY 11794.

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Vol. 82, Iss. 19 — 10 May 1999

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