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Conference Record of the 1991 IEEE Particle Accelerator Conference
We present, in this paper, a new method for calculating the wake potential of a bunched beam of arbitrary charge distribution, directly from the wake potential of a shorter bunch, by using orthogonal polynomial expansions. Combined with the table-look-up technique, this method leads to an effective computation scheme for repetitive evaluation of wake potentials of different charge distributions under the same boundary conditions.doi:10.1109/pac.1991.164344 fatcat:hd6e2usicvhuxgbkgbsah3bovy