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Towards high-resolution laser ionization spectroscopy of the heaviest elements in supersonic gas jet expansion

Author

Listed:
  • R. Ferrer

    (KU Leuven, Instituut voor Kern-en Stralingsfysica)

  • A. Barzakh

    (Petersburg Nuclear Physics Institute, NRC Kurchatov Institute)

  • B. Bastin

    (GANIL, CEA/DRF-CNRS/IN2P3)

  • R. Beerwerth

    (Helmholtz Institute Jena
    Theoretisch-Physikalisches Institut, Friedrich-Schiller-Universität Jena)

  • M. Block

    (GSI Helmholtzzentrum für Schwerionenforschung GmbH
    Helmholtz Institute Mainz
    Institut für Kernchemie, Johannes Gutenberg-Universität Mainz)

  • P. Creemers

    (KU Leuven, Instituut voor Kern-en Stralingsfysica)

  • H. Grawe

    (GSI Helmholtzzentrum für Schwerionenforschung GmbH)

  • R. de Groote

    (KU Leuven, Instituut voor Kern-en Stralingsfysica)

  • P. Delahaye

    (GANIL, CEA/DRF-CNRS/IN2P3)

  • X. Fléchard

    (Normandie Univ, ENSICAEN, UNICAEN, CNRS/IN2P3, LPC Caen)

  • S. Franchoo

    (Institute de Physique Nucléaire (IPN) d’Orsay)

  • S. Fritzsche

    (Helmholtz Institute Jena
    Theoretisch-Physikalisches Institut, Friedrich-Schiller-Universität Jena)

  • L. P. Gaffney

    (KU Leuven, Instituut voor Kern-en Stralingsfysica)

  • L. Ghys

    (KU Leuven, Instituut voor Kern-en Stralingsfysica
    SCK·CEN, Belgian Nuclear Research Center)

  • W. Gins

    (KU Leuven, Instituut voor Kern-en Stralingsfysica)

  • C. Granados

    (KU Leuven, Instituut voor Kern-en Stralingsfysica)

  • R. Heinke

    (Institut für Physik, Johannes Gutenberg-Universität Mainz)

  • L. Hijazi

    (GANIL, CEA/DRF-CNRS/IN2P3)

  • M. Huyse

    (KU Leuven, Instituut voor Kern-en Stralingsfysica)

  • T. Kron

    (Institut für Physik, Johannes Gutenberg-Universität Mainz)

  • Yu. Kudryavtsev

    (KU Leuven, Instituut voor Kern-en Stralingsfysica)

  • M. Laatiaoui

    (GSI Helmholtzzentrum für Schwerionenforschung GmbH
    Helmholtz Institute Mainz)

  • N. Lecesne

    (GANIL, CEA/DRF-CNRS/IN2P3)

  • M. Loiselet

    (Université catholique de Louvain, Centre de Ressources du Cyclotron)

  • F. Lutton

    (GANIL, CEA/DRF-CNRS/IN2P3)

  • I. D. Moore

    (University of Jyväskylä)

  • Y. Martínez

    (KU Leuven, Instituut voor Kern-en Stralingsfysica
    CERN)

  • E. Mogilevskiy

    (KU Leuven, Instituut voor Kern-en Stralingsfysica
    Faculty of Mechanics and Mathematics, Lomonosov Moscow State University)

  • P. Naubereit

    (Institut für Physik, Johannes Gutenberg-Universität Mainz)

  • J. Piot

    (GANIL, CEA/DRF-CNRS/IN2P3)

  • S. Raeder

    (KU Leuven, Instituut voor Kern-en Stralingsfysica)

  • S. Rothe

    (CERN)

  • H. Savajols

    (GANIL, CEA/DRF-CNRS/IN2P3)

  • S. Sels

    (KU Leuven, Instituut voor Kern-en Stralingsfysica)

  • V. Sonnenschein

    (University of Jyväskylä)

  • J-C Thomas

    (GANIL, CEA/DRF-CNRS/IN2P3)

  • E. Traykov

    (GANIL, CEA/DRF-CNRS/IN2P3)

  • C. Van Beveren

    (KU Leuven, Instituut voor Kern-en Stralingsfysica)

  • P. Van den Bergh

    (KU Leuven, Instituut voor Kern-en Stralingsfysica)

  • P. Van Duppen

    (KU Leuven, Instituut voor Kern-en Stralingsfysica)

  • K. Wendt

    (Institut für Physik, Johannes Gutenberg-Universität Mainz)

  • A. Zadvornaya

    (KU Leuven, Instituut voor Kern-en Stralingsfysica)

Abstract

Resonant laser ionization and spectroscopy are widely used techniques at radioactive ion beam facilities to produce pure beams of exotic nuclei and measure the shape, size, spin and electromagnetic multipole moments of these nuclei. However, in such measurements it is difficult to combine a high efficiency with a high spectral resolution. Here we demonstrate the on-line application of atomic laser ionization spectroscopy in a supersonic gas jet, a technique suited for high-precision studies of the ground- and isomeric-state properties of nuclei located at the extremes of stability. The technique is characterized in a measurement on actinium isotopes around the N=126 neutron shell closure. A significant improvement in the spectral resolution by more than one order of magnitude is achieved in these experiments without loss in efficiency.

Suggested Citation

  • R. Ferrer & A. Barzakh & B. Bastin & R. Beerwerth & M. Block & P. Creemers & H. Grawe & R. de Groote & P. Delahaye & X. Fléchard & S. Franchoo & S. Fritzsche & L. P. Gaffney & L. Ghys & W. Gins & C. G, 2017. "Towards high-resolution laser ionization spectroscopy of the heaviest elements in supersonic gas jet expansion," Nature Communications, Nature, vol. 8(1), pages 1-9, April.
    • Handle: RePEc:nat:natcom:v:8:y:2017:i:1:d:10.1038_ncomms14520
    DOI: 10.1038/ncomms14520
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