High-precision mass measurements of hydrogen-like 24Mg11+ and 26Mg11+ ions in a Penning trap: On the need of precise mass values of hydrogen-like ions in g factor measurements of bound electrons

I. Bergström, M. Björkhage, K. Blaum, H. Bluhme, T. Fritioff, S. Nagy, R. Schuch

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

For the determination of the bound-electron g factor in hydrogen-like heavy ions the mass of the ion is needed at a relative uncertainty of at least 1 ppb. With the SMILETRAP Penning trap mass spectrometer at the Manne Siegbahn Laboratory in Stockholm several mass measurements of ions with even-even nuclei at this level of precision have been performed so far, exploiting the fact that the mass precision increases linearly with the ion charge. Measurements of masses of the hydrogen-like ions of the two Mg-isotopes 24Mg and 26Mg are reported. The masses of the hydrogen-like ions are 23.979 011 054 (14) u and 25.976 562 354 (34) u, corresponding to the atomic masses 23.985 041 690 (14) u and 25.982 592 986 (34) u, respectively. The possibility to use these two isotopes for the first observation of an isotope effect in the bound-electron g factor in hydrogen-like heavy ions is discussed.

Original languageEnglish
Pages (from-to)41-45
Number of pages5
JournalEuropean Physical Journal D
Volume22
Issue number1
DOIs
Publication statusPublished - Jan 2003

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hydrogen ions
traps
hydrogen
ions
electrons
heavy ions
isotopes
even-even nuclei
ion charge
atomic weights
isotope effect
mass spectrometers

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Atomic and Molecular Physics, and Optics

Cite this

High-precision mass measurements of hydrogen-like 24Mg11+ and 26Mg11+ ions in a Penning trap : On the need of precise mass values of hydrogen-like ions in g factor measurements of bound electrons. / Bergström, I.; Björkhage, M.; Blaum, K.; Bluhme, H.; Fritioff, T.; Nagy, S.; Schuch, R.

In: European Physical Journal D, Vol. 22, No. 1, 01.2003, p. 41-45.

Research output: Contribution to journalArticle

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