A linear RFQ ion trap for the Enriched Xenon Observatory

B. Flatt, M. Green, J. Wodin, R. DeVoe, P. Fierlinger, G. Gratta, F. LePort, M. Montero Díez, R. Neilson, K. O'Sullivan, A. Pocar, S. Waldman, E. Baussan, M. Breidenbach, R. Conley, W. Fairbank, J. Farine, C. Hall, K. Hall, D. HallmanC. Hargrove, M. Hauger, J. Hodgson, F. Juget, D. S. Leonard, D. Mackay, Y. Martin, B. Mong, A. Odian, L. Ounalli, A. Piepke, C. Y. Prescott, P. C. Rowson, K. Skarpaas, D. Schenker, D. Sinclair, V. Strickland, C. Virtue, J. L. Vuilleuimier, J. M. Vuilleuimier, K. Wamba, P. Weber

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

The design, construction, and performance of a linear radio-frequency ion trap (RFQ) intended for use in the Enriched Xenon Observatory (EXO) are described. EXO aims to detect the neutrinoless double-beta decay of 136Xe to 136Ba. To suppress possible backgrounds EXO will complement the measurement of decay energy and, to some extent, topology of candidate events in a Xe filled detector with the identification of the daughter nucleus (136Ba). The ion trap described here is capable of accepting, cooling, and confining individual Ba ions extracted from the site of the candidate double-beta decay event. A single trapped ion can then be identified, with a large signal-to-noise ratio, via laser spectroscopy.

Original languageEnglish
Pages (from-to)399-408
Number of pages10
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume578
Issue number2
DOIs
StatePublished - 1 Aug 2007
Externally publishedYes

Keywords

  • EXO
  • Fluorescence spectroscopy
  • RFQ trap

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