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Nuclear Experiment

arXiv:1512.00431 (nucl-ex)
[Submitted on 1 Dec 2015]

Title:Lifetime measurements of nuclei in few-electron ions

Authors:Thomas Faestermann
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Abstract:In this review lifetime measurements of ions with at most two electrons are summarized. Such highly ionized systems have been studied - until now - only in the Experimental Storage Ring of the GSI in Darmstadt. Emphasis is put on decays via the weak interaction. The first observations of beta-decay into bound atomic states are described as well as its time mirrored counterpart, the electron-capture decay. In the latter case the decays of hydrogen- and helium-like ions are compared with a surprising result. Further on, the observation of sinusoidal modulations of the decay rate in two-body decays is summarized. As a possible cause an interference due to the emission of neutrinos with different rest mass is discussed.
Comments: Proceedings of the 9th International Conference on Nuclear Physics at Storage Rings STORI'14
Subjects: Nuclear Experiment (nucl-ex); Astrophysics of Galaxies (astro-ph.GA)
Cite as: arXiv:1512.00431 [nucl-ex]
  (or arXiv:1512.00431v1 [nucl-ex] for this version)
  https://doi.org/10.48550/arXiv.1512.00431
Journal reference: Physica Scripta T166, 014003 (2015)
Related DOI: https://doi.org/10.1088/0031-8949/2015/T166/014003

Submission history

From: Thomas Faestermann [view email]
[v1] Tue, 1 Dec 2015 20:37:43 UTC (523 KB)
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