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.
Original languageEnglish
Pages (from-to)565-569
Number of pages5
JournalNuclear Instruments & Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms
Volume317
Issue numberPart B
Early online date4 Jul 2013
DOIs
Publication statusPublished - 15 Dec 2013

Keywords

  • hyperfine structure
  • ion beam purification
  • isotope shift
  • laser spectroscopy
  • radioactive decay spectroscopy

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