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| WEPP16 |
Comparison of Feschenko BSM and Fast Faraday Cup with Low Energy Ion Beams |
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- R. Singh, W.A. Barth, P. Forck, S. Lauber, M. Miski-Oglu, T. Reichert, T. Sieber
GSI, Darmstadt, Germany
- V.E. Scarpine, D. Sun
Fermilab, Batavia, Illinois, USA
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A comparison between Fast Faraday Cup and Feschenko longitudinal bunch shape detectors was recently performed at HELIAC Advanced Demonstrator beamline at GSI. Feschenko bunch shape monitor (BSM) uses the time to space conversion by means of secondary electrons emitted from a wire correlated to a rf deflector, while the fast Faraday cup (FFC) measures the deposited charge in a cup geometry matched to 50 Ohm. The FFC design aims to minimize the bunch shape dilution due to field polarization and secondary electrons produced on irradiation. An He1+ with 100 µA average current and 1.4 MeV/u kinetic energy is utilized for this comparison. A buncher upstream of the detectors was operated to focus the beam longitudinally. The results are discussed in this contribution.
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Poster WEPP16 [1.533 MB]
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IBIC2021-WEPP16
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| About • |
paper received ※ 08 September 2021 paper accepted ※ 27 September 2021 issue date ※ 12 October 2021 |
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