Dipolar and quadrupolar detection using an FT-ICR MS setup at the MPIK Heidelberg

被引：0
作者：
Michael Heck
Klaus Blaum
R. Burcu Cakirli
Daniel Rodríguez
Lutz Schweikhard
Stefan Stahl
Marta Ubieto-Díaz
机构：
[1] Max-Planck-Insitute for Nuclear Physics,Department of Physics
[2] University of Istanbul,Institute of Physics
[3] Universidad de Granada,undefined
[4] Ernst-Moritz-Arndt University Greifswald,undefined
[5] Stahl-Electronics,undefined
来源：
Hyperfine Interactions | 2011年 / 199卷
关键词：
Penning traps; FT-ICR MS; Detection methods; High resolution mass spectrometry;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Dipolar and single-phase two-electrode quadrupolar detection schemes have been investigated at a Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR MS) setup built for the KATRIN experiment at the Max-Planck-Institute for Nuclear Physics (MPIK) in Heidelberg. We present first experimental results of 7Li +  signals from a cylindrical Penning trap configuration for both detection schemes. While the prominent signal of the conventional dipolar detection scheme marks the reduced cyclotron frequency, the main signal for the quadrupolar detection appears at the sum of the reduced cyclotron frequency and the magnetron frequency. For ideal trapping fields, this sum frequency equals the ion cyclotron frequency νc = qB/(2πm). Sidebands due to the combined motions of the cyclotron mode and magnetron mode are observed by quadrupolar detection which allows the determination of the respective combinations of eigenfrequencies.
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页码：347 / 355
页数：8
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