Collinear laser spectroscopy with reverse-extracted bunched beams at TRIUMF

E. Mané, J. A. Behr, J. Billowes, T. Brunner, M. Brodeur, F. Buchinger, J. E. Crawford, J. Dilling, S. Ettenauer, C. D.P. Levy, A. Voss, M. R. Pearson

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

Collinear laser spectroscopy with reverse-extracted cooled bunched beams was performed at TRIUMF with radioactive ion beams. Surface-ionized 78,78mRb ions were injected into TITAN's cooler-buncher, and reverse-extracted to the laser beam line. There they were neutralised and excited with a counter-propagating laser beam. The fluorescence signal from the D2 line was recorded with a photomultiplier tube. The cooler provided typically 50 ion bunches per second, with each bunch containing approximately 105 ions, temporally distributed with a 1. 6 μs width. A hardware gate was set on the signal, suppressing the background by four orders of magnitude.

Original languageEnglish
Pages (from-to)357-363
Number of pages7
JournalHyperfine Interactions
Volume199
Issue number1
DOIs
StatePublished - Jul 2011
Externally publishedYes

Funding

Acknowledgements This work was supported by NSERC and NRC through TRIUMF. We would like to thank the TRIUMF technical staff, especially Melvin Good.

Keywords

  • Cooling and bunching
  • Hyperfine Structure
  • Laser spectroscopy

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