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@inproceedings{niedermayer:ipac2021-mopab319,
author = {P.J. Niedermayer and B. Breitkreutz and C. Böhme and V. Kamerdzhiev and A. Lehrach},
title = {{Development of a Fast Betatron Tune and Chromaticity Measurement System for COSY}},
booktitle = {Proc. IPAC'21},
pages = {983--985},
eid = {MOPAB319},
language = {english},
keywords = {betatron, acceleration, GUI, controls, resonance},
venue = {Campinas, SP, Brazil},
series = {International Particle Accelerator Conference},
number = {12},
publisher = {JACoW Publishing, Geneva, Switzerland},
month = {08},
year = {2021},
issn = {2673-5490},
isbn = {978-3-95450-214-1},
doi = {10.18429/JACoW-IPAC2021-MOPAB319},
url = {https://jacow.org/ipac2021/papers/mopab319.pdf},
note = {https://doi.org/10.18429/JACoW-IPAC2021-MOPAB319},
abstract = {{A fast tune measurement is developed for the Cooler Synchrotron COSY at the Institut für Kernphysik of Forschungszentrum Jülich. Betatron oscillations of the beam are excited with a band-limited RF signal via a stripline kicker. Resonant transverse oscillations are then observed using capacitive beam position monitors. Based on the bunch-by-bunch beam position data the betatron tune is determined. The usage of bunch-by-bunch data is characteristic of the new system. It allows for a discrete tune measurement within a few milliseconds, as well as continuous tune monitoring during beam acceleration. The high precision tune measurement also enables determination of the beam chromaticity. Therefore, the beam momentum is varied by means of the RF frequency and the subsequent tune change is determined. For routine use during beam operation and experiments, the developed method is integrated into the control system.}},
}