Linear imperfections

The course consists of a one hour lecture followed by one hour of guided studies and one hour of discussions. It features a short summary of the equation of motion in a circular storage ring, the introduction of the sine- and cosine- like solutions of the unperturbed linear system, a discussion of linear resonances and the impact of dipole and quadrupole type eld errors and presents various examples from the operation of existing storage rings. The nal part of the course addresses options for a correction of the closed orbit in a storage ring.