Trapped-ion decay spectroscopy towards the determination of ground-state 
components of double-beta decay matrix elements

Brunner, T.; Lapierre, A.; Andreoiu, C.; Brodeur, M.; Delheji, P.; Ettenauer, S.; Frekers, D.; Gallant, A.T.; Gernhäuser, R.; Grossheim, A.; Krücken, R.; Lennarz, A.; Lunney, D.; Mücher, D.; Ringle, R.; Simon, M.C.; Simon, Vanessa V.; Sjue, S.K.L.; Zuber, K.; Dilling, J.

doi:10.1140/epja/i2013-13142-4

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Trapped-ion decay spectroscopy towards the determination of ground-state components of double-beta decay matrix elements

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Simon, Vanessa V.
TRIUMF;
Fakulät f¨ur Physik und Astronomie, Ruprecht-Karls-Universität Heidelbergü;
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Citation

Brunner, T., Lapierre, A., Andreoiu, C., Brodeur, M., Delheji, P., Ettenauer, S., et al. (2013). Trapped-ion decay spectroscopy towards the determination of ground-state components of double-beta decay matrix elements. European Physical Journal A, 49(11): 142, pp. 1-9. doi:10.1140/epja/i2013-13142-4.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0014-B917-A

Abstract

A new technique has been developed at the TRIUMF’s TITAN facility to perform in-trap decay spectroscopy. The aim of this technique is to eventually measure weak electron capture branching ratios (ECBRs) and by this to consequently determine GT matrix elements of β β decaying nuclei. These branching ratios provide important input to the theoretical description of these decays. The feasibility and power of the technique is demonstrated by measuring the ECBR of ¹²⁴C