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Proceedings of International Conference on Particle Accelerators
Impedance measurements, using a central wire to simulate the electron beam, were performed on a 52 MHz accelerating cavity a? the National Synchrotron Light Source (NSLS). To damp higher-order modes (HOM) in this cavity, damping antennas have been installed. We implemented the impedance measurement technique to characterize the cavity modes up to 1 GHz and confirm the effectiveness of the damping antennas. Scattering parameters were measured using a network analyzer (HP 8510B) and values for Rdoi:10.1109/pac.1993.308738 fatcat:b45d4wb7b5dhvacylu7ewbc54u