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

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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http://hal.in2p3.fr/in2p3-00010503
Contributor : Jocelyne Lorgeril <>
Submitted on : Monday, October 8, 2001 - 2:49:18 PM
Last modification on : Wednesday, September 16, 2020 - 4:06:34 PM

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F. Herfurth, J. Dilling, A. Kellerbauer, G. Bollen, S. Henry, 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, Elsevier, 2001, 469, pp.254-275. ⟨10.1016/S0168-9002(01)00168-1⟩. ⟨in2p3-00010503⟩

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