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@inproceedings{milosic:ibic2021-wepp28, author = {T. Milosic and P. Forck and R. Singh}, title = {{Sub-ns Single-Particle Spill Characterization for Slow Extraction}}, booktitle = {Proc. IBIC'21}, pages = {438--442}, eid = {WEPP28}, language = {english}, keywords = {extraction, cavity, detector, experiment, timing}, venue = {Pohang, Rep. of Korea}, series = {International Beam Instrumentation Conference}, number = {10}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {10}, year = {2021}, issn = {2673-5350}, isbn = {978-3-95450-230-1}, doi = {10.18429/JACoW-IBIC2021-WEPP28}, url = {https://jacow.org/ibic2021/papers/wepp28.pdf}, note = {https://doi.org/10.18429/JACoW-IBIC2021-WEPP28}, abstract = {{With the recent developments on improving spill quality at GSI/FAIR, appropriate measurement devices have come into focus again. In contrast to commonly used scaler-based approaches where events at a certain sample frequency are counted, we present a measurement concept resolving single event detector timestamps in the sub-ns regime leveraging a well established off-the-shelf TDC VMEbus module. This allows for high resolution time structure information with respect to the ring RF as well as valuation of inter-particle separation distributions. This yields insightful information for specific experiments at GSI whose efficiencies are heavily limited by pile-ups and detector dead times. We will present the concept of the measurement setup and exemplary data taken in recent campaigns in context of spill microstructure improvements for slow extraction.}}, }