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The optimization of the optics in a LINAC requires a very demanding tuning of the involved parameters, particularly in the case of high brightness electron beams applied to the production of X-ray in a Thomson back-scattering source. The relationship between the parameters is nonlinear and it is not possible to treat them as independent variables, causing the impossibility of setting them handily. A genetic algorithm is a powerful tool able to circumvent this difficulty. We have applied the genetic algorithm to the case SPARC/PLASMONX to perform the optimization of the beam line parameters necessary to produce a high brilliance X-ray beam in a back scattering Thomson experiment 1 .
Bacci et al. (Mon,) studied this question.