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  Electron cooling experiments at the heavy ion storage ring TSR

Beutelspacher, M., Fadil, H., Furukawa, T., Grieser, M., Noda, A., Noda, K., et al. (2004). Electron cooling experiments at the heavy ion storage ring TSR. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 532(1-2), 123-128. doi:10.1016/j.nima.2004.06.038.

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http://dx.doi.org/10.1016/j.nima.2004.06.038 (Publisher version)
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 Creators:
Beutelspacher, M.1, Author           
Fadil, H.1, Author           
Furukawa, T.2, Author
Grieser, M.3, Author           
Noda, A.2, Author
Noda, K.2, Author
Schwalm, D.1, Author           
Shirai, T.2, Author
Wolf, A.3, Author           
Affiliations:
1Prof. Dirk Schwalm, Emeriti, MPI for Nuclear Physics, Max Planck Society, ou_907546              
2Institute for Chemical Research, Kyoto 611-0011, JapanNational Institute of Radiological Sciences, Chiba 263-8555, Japan, ou_persistent22              
3Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society, ou_904548              

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 Abstract: At low relative velocities the transverse cooling rates of fast stored ions by cold electrons are usually smaller than the longitudinal ones. By dispersive electron cooling, however, it is possible to increase the horizontal cooling rate on the expense of the longitudinal rate. The cooling scheme requires a horizontal gradient of the longitudinal cooling force, which was achieved by displacing the electron beam relative to the ion beam, and a finite dispersion in the ion–electron interaction region. Moreover, electron cooling of very hot ion beams is usually rather slow. Two different methods were investigated to study the longitudinal cooling times. The first method uses an induction accelerator to push the ions into the effective velocity range of the longitudinal electron cooling force. In the second method the mean electron velocity is swept over the velocity distribution of the ion beam in order to decrease the collection time.

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Language(s): eng - English
 Dates: 2004-06-26
 Publication Status: Published online
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1016/j.nima.2004.06.038
 Degree: -

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Title: COOL03 International Workshop on Beam Cooling and Related Topics
Place of Event: Mt. Fuji Japan
Start-/End Date: 2003-05-19 - 2003-05-23

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Title: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Source Genre: Journal
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Publ. Info: North-Holland
Pages: - Volume / Issue: 532 (1-2) Sequence Number: - Start / End Page: 123 - 128 Identifier: ISSN: 0168-9002
CoNE: https://pure.mpg.de/cone/journals/resource/954925485716