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  First Use of High Charge States for Mass Measurements of Short-lived Nuclides in a Penning Trap

Ettenauer, S., Simon, M. C., Gallant, A. T., Brunner, T., Chowdhury, U., Simon, V. V., et al. (2011). First Use of High Charge States for Mass Measurements of Short-lived Nuclides in a Penning Trap. Physical Review Letters, 107(27): 272501, pp. 1-5. doi:10.1103/PhysRevLett.107.272501.

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1109.3494v1 (Preprint), 378KB
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http://link.aps.org/doi/10.1103/PhysRevLett.107.272501 (Verlagsversion)
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 Urheber:
Ettenauer, S., Autor
Simon, M. C., Autor
Gallant, A. T., Autor
Brunner, T., Autor
Chowdhury, U., Autor
Simon, V. V., Autor
Brodeur, M., Autor
Chaudhuri, A., Autor
Mané, E., Autor
Andreoiu, C., Autor
Audi, G., Autor
Crespo López-Urrutia, J.R.1, Autor           
Delheij, P., Autor
Gwinner, G., Autor
Lapierre, A., Autor
Lunney, D., Autor
Pearson, M. R., Autor
Ringle, R., Autor
Ullrich, J.1, Autor           
Dilling, J., Autor
Affiliations:
1Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society, ou_904547              

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 Zusammenfassung: Penning trap mass measurements of short-lived nuclides have been performed for the first time with highly charged ions, using the TITAN facility at TRIUMF. Compared to singly charged ions, this provides an improvement in experimental precision that scales with the charge state q. Neutron-deficient Rb isotopes have been charge bred in an electron beam ion trap to q=8-12+ prior to injection into the Penning trap. In combination with the Ramsey excitation scheme, this unique setup creating low energy, highly charged ions at a radioactive beam facility opens the door to unrivaled precision with gains of 1–2 orders of magnitude. The method is particularly suited for short-lived nuclides such as the superallowed β emitter 74Rb (T1/2=65  ms). The determination of its atomic mass and an improved QEC value are presented.

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Sprache(n): eng - English
 Datum: 2011-12-29
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1103/PhysRevLett.107.272501
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Titel: Physical Review Letters
  Andere : Phys. Rev. Lett.
Genre der Quelle: Zeitschrift
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Affiliations:
Ort, Verlag, Ausgabe: Woodbury, N.Y., etc. : American Physical Society.
Seiten: - Band / Heft: 107 (27) Artikelnummer: 272501 Start- / Endseite: 1 - 5 Identifikator: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406