The Collinear Resonance Ionization Spectroscopy (CRIS) experimental setup at CERN-ISOLDE

T. E. Cocolios, H. H. Al Suradi, J. Billowes, I. Budinčević, R. P. De Groote, S. De Schepper, V. N. Fedosseev, K. T. Flanagan, S. Franchoo, R. F. Garcia Ruiz, H. Heylen, F. Le Blanc, K. M. Lynch, B. A. Marsh, P. J R Mason, G. Neyens, J. Papuga, T. J. Procter, M. M. Rajabali, R. E. RosselS. Rothe, G. S. Simpson, A. J. Smith, I. Strashnov, H. H. Stroke, D. Verney, P. M. Walker, K. D A Wendt, R. T. Wood

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The CRIS setup at CERN-ISOLDE is a laser spectroscopy experiment dedicated to the high-resolution study of the spin, hyperfine structure and isotope shift of radioactive nuclei with low production rates (a few per second). It combines the Doppler-free resolution of the in-flight collinear geometry with the high detection efficiency of resonant ionisation. A recent commissioning campaign has demonstrated a 1% experimental efficiency, and as low as a 0.001% non-resonant ionisation. The current status of the experiment and its recent achievements with beams of francium isotopes are reported. The first identified systematic effects are discussed.© 2013 The Authors. Published by Elsevier B.V. All rights reserved.
    Original languageEnglish
    Pages (from-to)565-569
    Number of pages4
    JournalNuclear Instruments & Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms
    Volume317
    DOIs
    Publication statusPublished - 15 Dec 2013

    Keywords

    • Hyperfine structure
    • Ion beam purification
    • Isotope shift
    • Laser spectroscopy
    • Radioactive decay spectroscopy

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