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Precision mass measurements of neutron halo nuclei using the TITAN Penning trap

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Abstract

Precise atomic mass determinations play a key role in various fields of physics, including nuclear physics, testing of fundamental symmetries and constants and atomic physics. Recently, the TITAN Penning trap measured the masses of several neutron halos. These exotic systems have an extended, diluted, matter distribution that can be modelled by considering a nuclear core surrounded by a halo formed by one or more of loosely bound neutrons. Combined with laser spectroscopy measurements of isotopic shifts precise masses can be used to obtain reliable charge radii and two-neutron-seperation energies for these halo nuclei. It is shown that these results can be used as stringent tests of nuclear models and potentials providing an important metric for our understanding of the interactions in all nuclei.

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Authors and Affiliations

  1. TRIUMF, 4004 Wesbrook Mall, Vancouver, BC, Canada, V6T 2A3

    M. Brodeur, T. Brunner, S. Ettenauer, A. T. Gallant, V. V. Simon, M. Smith, E. Mané, V. L. Ryjkov, S. Bacca, P. Delheij, M. Pearson & J. Dilling

  2. Department of Physics and Astronomy, University of British Columbia, 6224 Agricultural Road, Vancouver, BC, Canada, V6T 1Z1

    M. Brodeur, S. Ettenauer, A. T. Gallant, M. Smith & J. Dilling

  3. Physik Department E12, Technische Universität München, James Franck Str., 85748, Garching, Germany

    T. Brunner

  4. Max-Planck-Institut für Kernphysik, Saupfercheckweg 1, 69117, Heidelberg, Germany

    V. V. Simon

  5. TRIUMF, 4004 Wesbrook Mall, Vancouver, V6T 2A3, BC, Canada

    A. Lapierre & R. Ringle

  6. CSNSM-IN2P3-CNRS, Université Paris 11, Bâtiments 104 et 108, 91405, Orsay Campus, France

    D. Lunney

Authors
  1. M. Brodeur
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  2. T. Brunner
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  3. S. Ettenauer
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  4. A. T. Gallant
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  5. V. V. Simon
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  6. M. Smith
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  7. A. Lapierre
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  8. E. Mané
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  9. R. Ringle
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  10. V. L. Ryjkov
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  11. S. Bacca
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  12. P. Delheij
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  13. D. Lunney
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  14. M. Pearson
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  15. J. Dilling
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Corresponding author

Correspondence to M. Brodeur.

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Brodeur, M., Brunner, T., Ettenauer, S. et al. Precision mass measurements of neutron halo nuclei using the TITAN Penning trap. Hyperfine Interact 199, 167–173 (2011). https://doi.org/10.1007/s10751-011-0311-y

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  • DOI: https://doi.org/10.1007/s10751-011-0311-y

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