Author: Bevins, M.E.
Paper Title Page
MOPG003 Precision Absolute Beam Current Measurement of Low Power Electron Beam 1
 
  • M.M. Ali, M.E. Bevins, P. Degtiarenko, A. Freyberger, G.A. Krafft
    JLAB, Newport News, Virginia, USA
 
  Precise measurements of low power CW electron beam current for the Jefferson Lab Nuclear Physics program have been performed using a Tungsten calorimeter. This paper describes the rationale for the choice of the calorimeter technique, as well as the design and calibration of the device. The calorimeter is in use presently to provide a 1% absolute current measurement of CW electron beam with 50 to 500 nA of average beam current and 1-3 GeV beam energy. Results from these recent measurements will also be presented.  
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