Measurements of g factors and lifetimes of low lying states in 5864Ni and their shell model implications

O. Kenn, K.-H. Speidel, R. Ernst, J. Gerber, P. Maier-Komor, and F. Nowacki
Phys. Rev. C 63, 064306 – Published 2 May 2001
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Abstract

g factors have been measured for the first 2+ states of 58,60,62,64Ni isotopes employing the combined technique of projectile Coulomb excitation and transient magnetic fields. Lifetimes of low-lying states were redetermined using the Doppler shift attenuation method technique. The same target has been used in all measurements and the isotopes were provided by the ion source of the accelerator. These conditions guarantee high reliability and precision as demonstrated in earlier experiments. The measured g factors and the deduced B(E2) values are well explained by large scale shell model calculations in which valence particles are strongly coupled to an excited 56Ni core.

  • Received 5 December 2000

DOI:https://doi.org/10.1103/PhysRevC.63.064306

©2001 American Physical Society

Authors & Affiliations

O. Kenn1, K.-H. Speidel1, R. Ernst1, J. Gerber2, P. Maier-Komor3, and F. Nowacki4

  • 1Institut für Strahlen- und Kernphysik, Universität Bonn, Nußallee 14-16, D-53115 Bonn, Germany
  • 2Institut de Recherches Subatomique, F-67037 Strasbourg, France
  • 3Physik-Department, Technische Universität München, James-Franck-Str., D-85748 Garching, Germany
  • 4Laboratoire de Physique Théorique, 3-5 rue de l’Université, F-67084 Strasbourg Cedex, France

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Vol. 63, Iss. 6 — June 2001

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