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Multiple-resonance phenomenon in neutrinoless double-electron capture

A superposition of multiple resonance states in neutrinoless double-electron capture in 156Dy has been discovered. Penning-trap mass spectrometry has been used for atomic-mass-difference measurements and careful calculations of electron wave functions and double-hole binding energies have been perfo...

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Main Authors: Eliseev, Sergey (Author) , Goncharov, M. (Author) , Blaum, Klaus (Author) , Block, M. (Author) , Droese, C. (Author) , Herfurth, F. (Author) , Minaya Ramirez, E. (Author) , Novikov, Yu. N. (Author) , Schweikhard, L. (Author) , Shabaev, V. M. (Author) , Tupitsyn, I. I. (Author) , Zuber, K. (Author) , Zubova, N. A. (Author)
Format: Article (Journal)
Language:English
Published: 20 July 2011
In: Physical review. C, Nuclear physics
Year: 2011, Volume: 84, Pages: 1-4
ISSN:1089-490X
DOI:10.1103/PhysRevC.84.012501
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevC.84.012501
Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevC.84.012501
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Author Notes:S. Eliseev, M. Goncharov, K. Blaum, M. Block, C. Droese, F. Herfurth, E. Minaya Ramirez, Yu. N. Novikov, L. Schweikhard, V.M. Shabaev, I.I. Tupitsyn, K. Zuber, and N.A. Zubova
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Summary:A superposition of multiple resonance states in neutrinoless double-electron capture in 156Dy has been discovered. Penning-trap mass spectrometry has been used for atomic-mass-difference measurements and careful calculations of electron wave functions and double-hole binding energies have been performed to determine the resonance-enhancement factors. Transitions to four nuclear excited states in the daughter nuclide 156Gd have been identified as resonantly enhanced, including one with a full resonant enhancement, within the uncertainty of 100 eV. This phenomenon is unique in that it can be used to probe the mechanisms of neutrinoless processes.
Item Description:Gesehen am 12.04.2022
Physical Description:Online Resource
ISSN:1089-490X
DOI:10.1103/PhysRevC.84.012501

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