An improvement of isochronous mass spectrometry: Velocity measurements using 
two time-of-flight detectors

Shuai, P.; Xu, X.; Zhang, Y.H.; Xu, H.S.; Litvinov, Yuri A.; Wang, M.; Tu, X.L.; Blaum, Klaus; Zhou, X.H.; Yuan, Y.J.; Yan, X.L.; Chen, X.C.; Chen, R.J.; Fu, C.Y.; Ge, Z.; Huang, W.J.; Xing, Y.M.; Zeng, Q.

doi:10.1016/j.nimb.2016.02.006

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An improvement of isochronous mass spectrometry: Velocity measurements using two time-of-flight detectors

Shuai, P., Xu, X., Zhang, Y., Xu, H., Litvinov, Y. A., Wang, M., et al. (2016). An improvement of isochronous mass spectrometry: Velocity measurements using two time-of-flight detectors. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 376, 311-315. doi:10.1016/j.nimb.2016.02.006.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-002A-F3B5-E Version Permalink: https://hdl.handle.net/11858/00-001M-0000-002A-F3B6-C

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http://www.sciencedirect.com/science/article/pii/S0168583X16001233 (Publisher version) Open Access status unknown

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Creators:
Shuai, P.^{1, 2}, Author
Xu, X.², Author
Zhang, Y.H.², Author
Xu, H.S.², Author
Litvinov, Yuri A.^{2, 3, 4}, Author
Wang, M.², Author
Tu, X.L.^{2, 3, 4}, Author
Blaum, Klaus³, Author
Zhou, X.H.², Author
Yuan, Y.J.², Author
Yan, X.L.², Author
Chen, X.C.^{2, 4, 5}, Author
Chen, R.J.², Author
Fu, C.Y.^{2, 5}, Author
Ge, Z.^{2, 5}, Author
Huang, W.J.^{2, 5}, Author
Xing, Y.M.^{2, 5}, Author
Zeng, Q.^{1, 2}, Author

Affiliations:
1Research Center for Hadron Physics, National Laboratory of Heavy Ion Accelerator Facility in Lanzhou and University of Science and Technology of China, Hefei 230026, People’s Republic of China, ou_persistent22
2Key Laboratory of High Precision Nuclear Spectroscopy, Center for Nuclear Matter Science, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, People’s Republic of China, ou_persistent22
3Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society, ou_904548
4GSI Helmholtzzentrum für Schwerionenforschung, Planckstraße 1, 64291 Darmstadt, Germany, ou_persistent22
5Graduate University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China, ou_persistent22

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Free keywords: XVIIth International Conference on Electromagnetic Isotope Separators and Related Topics (EMIS2015), Grand Rapids, MI, U.S.A., 11-15 May 2015

MPINP: Speichertechnik - Abteilung Blaum

Abstract: Isochronous mass spectrometry (IMS) in storage rings is a powerful tool for mass measurements of exotic nuclei with very short half-lives down to several tens of microseconds, using a multicomponent secondary beam separated in-flight without cooling. However, the inevitable momentum spread of secondary ions limits the precision of nuclear masses determined by using IMS. Therefore, the momentum measurement in addition to the revolution period of stored ions is crucial to reduce the influence of the momentum spread on the standard deviation of the revolution period, which would lead to a much improved mass resolving power of IMS. One of the proposals to upgrade IMS is that the velocity of secondary ions could be directly measured by using two time-of-flight (double TOF) detectors installed in a straight section of a storage ring. In this paper, we outline the principle of IMS with double TOF detectors and the method to correct the momentum spread of stored ions.

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Dates: Date issued: 2016-05-12

Publication Status: Issued

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Rev. Type: Peer

Identifiers: DOI: 10.1016/j.nimb.2016.02.006

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Title: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

Abbreviation : NIM B

Source Genre: Journal

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Publ. Info: Amsterdam : Elsevier B.V.

Pages: - Volume / Issue: 376 Sequence Number: - Start / End Page: 311 - 315 Identifier: ISSN: 0168-583X
CoNE: https://pure.mpg.de/cone/journals/resource/954925484704