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XX International Linac Conference

TUB10 (Poster)

Presenter: Arthur Paul (LLNL)
Status: Complete
FullText: pdf
Eprint: physics/0008057

Reconstruction of Initial Beam Conditions at the Exit of the DARHT II Accelerator *


We consider a technique of determining the initial beam conditions of the DARHT II accelerator by measuring the beam size under three different magnetic transport settings. This leads to three equations in three unknowns with solution giving the accelerator exit beam radius, tilt and emittance. We find that systematic errors cancel and so are not a problem in the beam condition unfolding. Random uncorrelated shot to shot errors can be managed by one of three strategies: 1) make the transport system optically de-magnifying: 2) average over many individual shots: or 3) make the random uncorrelated shot to shot errors sufficiently small[1].
*This work was performed under the auspices of the Department of Energy by University of California Lawrence Livermore National Laboratory under contract No. W-7405-Eng-48.

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