The inclusion of new sextupolar fields (the ones due to eddy currents and the sextupole ones) will affect the dynamic aperture of the machine. The dynamic aperture for three cases is shown in figure 11. The first case is the `standard' case (no eddy currents contributions, and the sextupoles for (1,1) chromaticity). The two other cases corresponds to the point in the ramping where the eddy current contribution is maximum (E=0.2 GeV), and for the two chromaticities examined (the (1,1) case and the (5,5)).
The eddy current induced sextupolar components produce a small reduction of the dynamic aperture, but it is still much larger than the physical aperture, and more than enough for a safe operation of the booster, even in the case of the (5,5) chromaticity.
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