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  Towards ultrahigh-resolution multi-reflection time-of-flight mass spectrometry at ISOLTRAP

Wienholtz, F., Atanasov, D., Kreim, S. W., Manea, V., Rosenbusch, M., Schweikhard, L., et al. (2015). Towards ultrahigh-resolution multi-reflection time-of-flight mass spectrometry at ISOLTRAP. Physica Scripta T, 2015(T166): 014068. doi:10.1088/0031-8949/2015/T166/014068.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-30E9-5 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-31B9-9
Genre: Journal Article

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 Creators:
Wienholtz, F.1, Author
Atanasov, Dinko2, Author              
Kreim, Susanne Waltraud2, 3, Author              
Manea, Vladimir2, Author              
Rosenbusch, M.1, Author
Schweikhard, L.1, Author
Welker, A.4, Author
Wolf, Robert2, Author              
Affiliations:
1Institut für Physik, Ernst-Moritz-Arndt-Universität, 17487 Greifswald, Germany, ou_persistent22              
2Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society, ou_904548              
3CERN, 1211 Geneva 23, Switzerland, ou_persistent22              
4Technische Universität Dresden, 01069 Dresden, Germany, ou_persistent22              

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Free keywords: Proceedings of the 9th International Conference on Nuclear Physics at Storage Rings STORI'14
 MPINP: Speichertechnik - Abteilung Blaum
 Abstract: The mass resolving power of the multi-reflection time-of-flight mass spectrometer of ISOLTRAP was studied by monitoring 39K+ signals. A drift tube at the center of the MR-ToF MS allows decreasing or increasing the kinetic energy of the ion bunch, by switching its potential when the ions are traversing it. This offers the possibility of capturing and ejecting ion bunches by controlling a single voltage by the so-called in-trap lift technique. It also allows changing the energy of the trapped ions inside the MR-ToF MS, offering a way to optimize the resolving power of the device. For a fixed number of 2000 laps corresponding to a total ion flight time of about 30 ms, data was accumulated for 100 experimental cycles, adding to a duration of 10 s for each spectrum. Without any subsequent corrections for broadening effects, mass resolving powers in excess of 300 000 (FWHM) were obtained.

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Language(s): eng - English
 Dates: 2015-11-26
 Publication Status: Published in print
 Pages: 4
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Degree: -

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Title: Physica Scripta T
Source Genre: Journal
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Publ. Info: Bristol; Stockholm : IOP Publishing; Royal Swedish Academy of Sciences
Pages: - Volume / Issue: 2015 (T166) Sequence Number: 014068 Start / End Page: - Identifier: ISSN: 0281-1847
CoNE: /journals/resource/110976549881403