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Penning trap mass measurements utilizing highly charged ions as a path to benchmark isospin-symmetry breaking corrections in 74Rb

Penning trap mass measurements of neutron-deficient Rb isotopes have been performed at TRIUMF's Ion Trap for Atomic and Nuclear Science (TITAN) facility by utilizing highly charged ions (HCIs). As imperative for a new approach with significant gain in measurement precision, experimental procedu...

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Auteurs principaux: Malbrunot-Ettenauer, Stephan (Auteur) , Brunner, Thomas (Auteur) , Chowdhury, U. (Auteur) , Gallant, Aaron (Auteur) , Simon, Vanessa Véronique (Auteur) , Brodeur, Maxime (Auteur) , Chaudhuri, A. (Auteur) , Mané, E. (Auteur) , Simon, Martin C. (Auteur) , Andreoiu, C. (Auteur) , Audi, G. (Auteur) , Crespo López-Urrutia, J. R. (Auteur) , Delheij, P. (Auteur) , Gwinner, G. (Auteur) , Lapierre, A. (Auteur) , Lunney, D. (Auteur) , Pearson, M. R. (Auteur) , Ringle, R. (Auteur) , Ullrich, J. (Auteur) , Dilling, J. (Auteur)
Format: Article (Journal)
Langue:anglais
Publié: 13 April 2015
In: Physical review. C, Nuclear physics
Year: 2015, Volume: 91, Numéro: 4
ISSN:1089-490X
DOI:10.1103/PhysRevC.91.045504
Accès en ligne:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevC.91.045504
Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevC.91.045504
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Notes sur l'auteur:S. Malbrunot-Ettenauer, T. Brunner, U. Chowdhury, A.T. Gallant, V.V. Simon, M. Brodeur, A. Chaudhuri, E. Mané, M.C. Simon, C. Andreoiu, G. Audi, J.R. Crespo López-Urrutia, P. Delheij, G. Gwinner, A. Lapierre, D. Lunney, M.R. Pearson, R. Ringle, J. Ullrich, and J. Dilling
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Résumé:Penning trap mass measurements of neutron-deficient Rb isotopes have been performed at TRIUMF's Ion Trap for Atomic and Nuclear Science (TITAN) facility by utilizing highly charged ions (HCIs). As imperative for a new approach with significant gain in measurement precision, experimental procedures, and systematic uncertainties are discussed in detail. Among the investigated nuclides, the superallowed nuclear β emitter 74Rb will especially benefit from the advantage offered by HCI because the limited attainable precision owing to its short half-life (T1/2=65 ms) represents a challenge for conventional Penning trap mass spectrometry. Motivated by an updated QEC value for 74Rb of 10 416.8(3.9) keV and its large isospin-symmetry breaking corrections, we present a new test to benchmark the consistency between theoretical models of isospin-symmetry breaking corrections in superallowed decays, the conserved vector current hypothesis, and experimental data.
Description:Gesehen am 05.06.2020
Im Titel ist "74" in 74Rb hochgestellt
Description matérielle:Online Resource
ISSN:1089-490X
DOI:10.1103/PhysRevC.91.045504

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