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Article Dans Une Revue Physical Review C - Nuclear Physics Année : 2023

Updated evaluation of potential ultra-low $Q$ value $\beta$ decay candidates

Résumé

"Ultra-low" Q value β decays are referred to as such due to their low decay energies of less than ∼1 keV. Such a low energy decay is possible when the parent nucleus decays to an excited state in the daughter, with an energy close to that of the Q value. These decays are of interest as potential new candidates for neutrino mass determination experiments and as a testing ground for studies of atomic interference effects in the nuclear decay process. In this paper, we provide an updated evaluation of atomic mass data and nuclear energy level data to identify potential ultra-low Q value β decay candidates. For many of these candidates, more precise and accurate atomic mass data is needed to determine if the Q value of the potential ultra-low decay branch is energetically allowed and in fact ultra-low. The relevant precise atomic mass measurements can be achieved via Penning trap mass spectrometry.
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Dates et versions

cea-03968912 , version 1 (02-02-2023)

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Citer

D.K. Keblbeck, R. Bhandari, N.D. Gamage, M. Horana Gamage, K.G. Leach, et al.. Updated evaluation of potential ultra-low $Q$ value $\beta$ decay candidates. Physical Review C - Nuclear Physics, 2023, 107, pp.015504. ⟨10.1103/PhysRevC.107.015504⟩. ⟨cea-03968912⟩
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