Quartz resonators for penning traps toward mass spectrometry on the heaviest ions

Lohse S.; Berrocal J.; Boehland S.van de Laar J.Block M.Chenmarev S.Duellmann Ch. E.Nagy Sz.Ramirez J. G.Rodriguez D.

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Quartz resonators for penning traps toward mass spectrometry on the heaviest ions

机译：Quartz resonators for penning traps toward mass spectrometry on the heaviest ions

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We report on cyclotron frequency measurements on trapped (206,207)Pb(+)ions by means of the non-destructive Fourier-transform ion-cyclotron-resonance technique at room temperature. In a proof-of-principle experiment using a quartz crystal instead of a coil as a resonator, we have alternately carried out cyclotron frequency measurements for Pb-206(+) and (207)Pb(+)with the sideband coupling method to obtain 21 cyclotron-frequency ratios with a statistical uncertainty of 6 x 10(-7). The mean frequency ratioR over bar deviates by about 2 sigma from the value deduced from the masses reported in the latest Atomic Mass Evaluation. We anticipate that this shift is due to the ion-ion interaction between the simultaneously trapped ions (approximate to 100) and will decrease to a negligible level once we reach single-ion sensitivity. The compactness of such a crystal makes this approach promising for direct Penning-trap mass measurements on heavy and superheavy elements.

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《Review of Scientific Instruments》 |2020年第9期|093202-93209|共8页
作者
Lohse S.; Berrocal J.; Boehland S.van de Laar J.Block M.Chenmarev S.Duellmann Ch. E.Nagy Sz.Ramirez J. G.Rodriguez D.;
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Johannes Gutenberg Univ Mainz, Dept Chem Standort TRIGA, D-55099 Mainz, Germany;

Helmholtz Inst Mainz, D-55099 Mainz, Germany;

Max Planck Inst Kernphys, Saupfercheckweg 1, D-69117 Heidelberg, GermanySeven Solut SL, Granada 18014, SpainUniv Granada, Dept Fis Atom Mol & Nucl, Granada 18071, Spain;

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Quartz resonators for penning traps toward mass spectrometry on the heaviest ions

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