A linear radiofrequency ion trap for accumulation, bunching, and emittance improvement of radioactive ion beams

F. Herfurth; J. Dilling; A. Kellerbauer; G. Bollen; S. Henry; H. J. Kluge; E. Lamour; D. Lunney; R. B. Moore; C. Scheidenberger; S. Schwarz; G. Sikler; J. Szerypo

doi:10.1016/S0168-9002(01)00168-1

A linear radiofrequency ion trap for accumulation, bunching, and emittance improvement of radioactive ion beams

F. Herfurth, J. Dilling, A. Kellerbauer, G. Bollen, S. Henry, H. J. Kluge, E. Lamour, D. Lunney, R. B. Moore, C. Scheidenberger, S. Schwarz, G. Sikler, J. Szerypo

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274 Scopus citations

Abstract

An ion beam cooler and buncher has been developed for the manipulation of radioactive ion beams. The gas-filled linear radiofrequency ion trap system is installed at the Penning trap mass spectrometer ISOLTRAP at ISOLDE/CERN. Its purpose is to accumulate the 60-keV continuous ISOLDE ion beam with high efficiency and to convert it into low-energy low-emittance ion pulses. The efficiency was found to exceed 10% in agreement with simulations. A more than 10-fold reduction of the ISOLDE beam emittance can be achieved. The system has been used successfully for first on-line experiments. Its principle, setup and performance will be discussed.

Original language	English
Pages (from-to)	254-275
Number of pages	22
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	469
Issue number	2
DOIs	https://doi.org/10.1016/S0168-9002(01)00168-1
State	Published - Aug 11 2001
Externally published	Yes

Funding

The authors wish to thank J. Bernard, W. Hornung, G. Marx and W. Quint at GSI Darmstadt, F. Ames and P. Schmidt of the REXTRAP group and the CERN summer students S. Lindner, S. Harto, and C. Richter for their valuable help during the development and commissioning of the system. This work was partly carried out within the EXOTRAPS project in the EU LSF-RTD program and financially supported under contract number ERBFMGECT980099. It was also supported by NSERC of Canada.

Keywords

Ion buncher
Ion cooling
Ion guide
Ion trap
On-line mass spectrometry
Radioactive ion beams

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10.1016/S0168-9002(01)00168-1

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Herfurth, F., Dilling, J., Kellerbauer, A., Bollen, G., Henry, S., Kluge, H. J., Lamour, E., Lunney, D., Moore, R. B., Scheidenberger, C., Schwarz, S., Sikler, G., & Szerypo, J. (2001). A linear radiofrequency ion trap for accumulation, bunching, and emittance improvement of radioactive ion beams. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 469(2), 254-275. https://doi.org/10.1016/S0168-9002(01)00168-1

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abstract = "An ion beam cooler and buncher has been developed for the manipulation of radioactive ion beams. The gas-filled linear radiofrequency ion trap system is installed at the Penning trap mass spectrometer ISOLTRAP at ISOLDE/CERN. Its purpose is to accumulate the 60-keV continuous ISOLDE ion beam with high efficiency and to convert it into low-energy low-emittance ion pulses. The efficiency was found to exceed 10% in agreement with simulations. A more than 10-fold reduction of the ISOLDE beam emittance can be achieved. The system has been used successfully for first on-line experiments. Its principle, setup and performance will be discussed.",

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Herfurth, F, Dilling, J, Kellerbauer, A, Bollen, G, Henry, S, Kluge, HJ, Lamour, E, Lunney, D, Moore, RB, Scheidenberger, C, Schwarz, S, Sikler, G & Szerypo, J 2001, 'A linear radiofrequency ion trap for accumulation, bunching, and emittance improvement of radioactive ion beams', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 469, no. 2, pp. 254-275. https://doi.org/10.1016/S0168-9002(01)00168-1

A linear radiofrequency ion trap for accumulation, bunching, and emittance improvement of radioactive ion beams. / Herfurth, F.; Dilling, J.; Kellerbauer, A. et al.
In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 469, No. 2, 11.08.2001, p. 254-275.

Research output: Contribution to journal › Article › peer-review

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AU - Kellerbauer, A.

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Herfurth F, Dilling J, Kellerbauer A, Bollen G, Henry S, Kluge HJ et al. A linear radiofrequency ion trap for accumulation, bunching, and emittance improvement of radioactive ion beams. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 2001 Aug 11;469(2):254-275. doi: 10.1016/S0168-9002(01)00168-1

A linear radiofrequency ion trap for accumulation, bunching, and emittance improvement of radioactive ion beams

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