Charge Measurements in SwissFEL and Results of an Absolute Charge Measurement Method
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G.L. Orlandi, P. Craievich, M.M. Dehler, R. Ischebeck, F. Marcellini, D. Staeger
PSI, Villigen PSI, Switzerland
A comparative measurement campaign of the beam charge was carried out at SwissFEL using the following instruments: Faraday-Cup (FC), Wall-Current-Monitor (WCM), Integrating-Current-Transformer (Bergoz Turbo-ICT-2) and the reference cavity of the Beam-Position-Monitor (BPM). The goal of the measurement campaign was to determine an absolute charge measurement method for a general purpose of instrument calibration and machine routine operation. Results of the absolute charge calibration method proposed for SwissFEL will be presented.
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