Hyperfine Interactions

, Volume 225, Issue 1–3, pp 157–164 | Cite as

Electron-capture branching ratio measurements of odd-odd intermediate nuclei in double-beta decay at the TITAN facility

  • A. Lennarz
  • T. Brunner
  • C. Andreoiu
  • A. Chaudhuri
  • U. Chowdhury
  • P. Delheij
  • J. Dilling
  • S. Ettenauer
  • D. Frekers
  • A. T. Gallant
  • A. Grossheim
  • F. Jang
  • A. A. Kwiatkowski
  • T. Ma
  • E. Mané
  • M. R. Pearson
  • B. E. Schultz
  • M. C. Simon
  • V. V. Simon
Article

Abstract

A novel technique to measure electron-capture branching ratios is being introduced, where the TITAN ion traps and the ISAC radioactive beam facility at TRIUMF are the central components. The technique will be applied to the intermediate odd-odd nuclei in double-beta decay. The decay properties of these nuclei will constrain theoretical models dealing with the evaluation of the nuclear matrix elements for both the 2ν and the 0ν mode. The present setup and its potential for measuring extremely low branching ratios at low instrumental backgrounds is described.

Keywords

In-trap decay spectroscopy Double-beta decay 

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Copyright information

© Springer Science+Business Media Dordrecht 2013

Authors and Affiliations

  • A. Lennarz
    • 1
  • T. Brunner
    • 1
    • 2
  • C. Andreoiu
    • 3
  • A. Chaudhuri
    • 1
  • U. Chowdhury
    • 1
    • 4
  • P. Delheij
    • 1
  • J. Dilling
    • 1
    • 5
  • S. Ettenauer
    • 1
    • 5
  • D. Frekers
    • 1
    • 6
  • A. T. Gallant
    • 1
    • 5
  • A. Grossheim
    • 1
  • F. Jang
    • 1
    • 3
  • A. A. Kwiatkowski
    • 1
  • T. Ma
    • 3
  • E. Mané
    • 1
  • M. R. Pearson
    • 1
  • B. E. Schultz
    • 1
  • M. C. Simon
    • 1
  • V. V. Simon
    • 1
    • 7
  1. 1.TRIUMFVancouverCanada
  2. 2.Stanford UniversityStanfordUSA
  3. 3.Department of ChemistrySimon Fraser UniversityBurnabyCanada
  4. 4.University of ManitobaWinnipegCanada
  5. 5.University of British ColumbiaVancouverCanada
  6. 6.Westfälische Wilhelms-UniverstitätMünsterGermany
  7. 7.Max-Planck Institut für KernphysikHeidelbergGermany

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