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Beam current measurements for LEDA

J. Power, D. Barr, J. Gilpatrick, D. Martinez, R. Shurter, M. Stettler
Proceedings of the 1999 Particle Accelerator Conference (Cat. No.99CH36366)  

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Beam diagnostics systems for the Low Energy Demonstrator Accelerator (LEDA) at Los Alamos include beam current measurements [1, 2] . The LEDA machine operates in both pulsed and cw modes with a peak current of 100 mA. Two types of current sensors are employed. Some are dc-to 4-kHz-bandwidth modular parametric current transformer (MPCT) sensors from Bergoz® and the others are 10-Hz to 200-kHz bandwidth customdesigned transformers. Both ac and dc sensors are integrated into common shielding
more » ... ures on the beam line. A VXI module has been developed to interface the analog sensors to the EPICS control system. The same VXI module can be used for either type of sensor and contains an on-board calibration system which provides a system absolute accuracy of ±0.2 %. The calibration, data processing, and general operation of the VXI module is controlled by two internal DSP modules. The performance of the system on the LEDA beam line is presented.
doi:10.1109/pac.1999.794433 fatcat:67be7g25ffhetm32wwgu2sihai
Citation

J. Power, D. Barr, J. Gilpatrick, D. Martinez, R. Shurter, M. Stettler. "Beam current measurements for LEDA." Proceedings of the 1999 Particle Accelerator Conference (Cat. No.99CH36366)