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BRho-Dependent Taylor Transfer Maps for the Super-FRS Dipole Magnets


We discuss the iron saturation effects in large aperture separator magnets. A method is introduced that allows the calculation of accurate Taylor transfer maps for iron-dominated magnetic elements and an arbitrary magnetic rigidity . The method is applied to the Super-FRS preseparator 11° dipole magnet revealing a significant -dependenycy of some transfer map elements. The convergence of the transfer maps in terms of their order and the number of magnetic field expansion points along the reference path is discussed.

E. Kazantseva, O. Boine-Frankenheim, H. Weick, J. S. Winfield, M. Berz, R. Jagasia, K. Makino, in: 8th International Particle Accelerator Conference, (2017) 2631


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