High-precision Mass Measurements of Hydrogen-Like 24Mg11+ and 26Mg11+ ions in a Pening Trap

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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 23.979011054(14) u and 25.976562354(34) u, corresponding to the atomic masses 23.985041690(14) u and 25.982592986(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.

Björkhage, MikaelStockholms universitet,Manne Siegbahn-laboratoriet(Swepub:su)bjorkhage (författare)
Blaum, K (författare)
Bluhrne, H (författare)
Fritioff, TomasStockholms universitet,Fysikum (författare)
Nagy, SzilardStockholms universitet,Fysikum(Swepub:su)nszilard (författare)
Schuch, ReinholdStockholms universitet,Fysikum(Swepub:su)schuch (författare)
Stockholms universitetManne Siegbahn-laboratoriet (creator_code:org_t)

Ingår i:European Physical Journal D: Springer Science and Business Media LLC22:1, s. 41-451434-60601434-6079

Av författaren/redakt...: Bergström, I; Björkhage, Mikae ...; Blaum, K; Bluhrne, H; Fritioff, Tomas; Nagy, Szilard; visa fler...; Schuch, Reinhold; visa färre...

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