Nuclear moments of neon isotopes in the range from Ne17 at the proton drip line to neutron-rich Ne25

W. Geithner, B. A. Brown, K. M. Hilligsøe, S. Kappertz, M. Keim, G. Kotrotsios, P. Lievens, K. Marinova, R. Neugart, H. Simon, and S. Wilbert
Phys. Rev. C 71, 064319 – Published 27 June 2005

Abstract

Nuclear moments of odd-A neon isotopes in the range 17A25 have been determined from optical hyperfine structures measured by collinear fast-beam laser spectroscopy. The magnetic dipole moments of Ne17, Ne23, and Ne25, as well as the electric quadrupole moment of Ne23, are either reported for the first time or improved considerably. The measurements also decide for a 1/2+ ground state of Ne25. The behavior of the magnetic moments of the proton drip-line nucleus Ne17 and its mirror partner N17 suggests isospin symmetry. Thus, no clear indication of an anomalous nuclear structure is found for Ne17. The magnetic moments of the investigated nuclei are discussed in a shell-model approach.

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  • Received 30 December 2004

DOI:https://doi.org/10.1103/PhysRevC.71.064319

©2005 American Physical Society

Authors & Affiliations

W. Geithner1, B. A. Brown3, K. M. Hilligsøe6,7, S. Kappertz1, M. Keim1,7, G. Kotrotsios1, P. Lievens5, K. Marinova2, R. Neugart1, H. Simon4,7, and S. Wilbert1

  • 1Institut für Physik, Universität Mainz, D-55099 Mainz, Germany
  • 2Laboratory of Nuclear Reactions, Joint Institute of Nuclear Research, RU-141980 Dubna, Russia
  • 3Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA
  • 4Institut für Kernphysik, TU Darmstadt, D-64289 Darmstadt, Germany
  • 5Laboratorium voor Vaste-Stoffysica en Magnetisme, K.U.Leuven, B-3001 Leuven, Belgium
  • 6Institute for Physics and Astronomy, University of Aarhus, DK-8000 C, Denmark
  • 7Physics Department, CERN, CH-1211 Geneva 23, Switzerland

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Issue

Vol. 71, Iss. 6 — June 2005

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