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Gorlov, T.V.

Paper Title Page
WGF06 Computation of Space-Charge Effect in Allison Scanner and its Application to the Measurement of Emittance 455
 
  • T.V. Gorlov
    ORNL RAD, Oak Ridge, Tennessee
  • S. Assadi, C.D. Long, T.R. Pennisi, M.P. Stockli
    ORNL, Oak Ridge, Tennessee
 
 

Space charge effect has an impact on emittance measurement of low energy H- ion beam injected into the SNS RFQ. This paper presents numerical investigations of space charge effect of the beam on transverse emittance measurement using an Allison style scanner attached to the front-end test stand at SNS. The investigations are based on mathematical modelling the emittance measurement by the scanner taking into account space charge of the beam. We present a method of emittance data analysis that includes the modelling and allows more accurate measurements of the emittance. We also give an example of the emittance measurement with the scanner applying the developed method.

 

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