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RHIC beam components impedance analysis with MAFIA
PACS2001. Proceedings of the 2001 Particle Accelerator Conference (Cat. No.01CH37268)
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The RHIC CNI polarimeter chambers and Roman Pots of PP2PP's detector have been simulated by a 3D electromagnetic field code MAFIA [1] to calculate the narrowband shunt impedance and the beam parasitic loss in frequency domain. The field profiles in high order modes (HOMs) of the polarimeter were then confirmed by bead-pull measurement. With an optimum design, the shunt impedances for both components are under the limits set by the coupled bunch instability consideration.
doi:10.1109/pac.2001.987198
fatcat:hu7bviwrlrcr5jasdo46ukfjq4