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@InProceedings{peng:napac2019-weplm67, author = {M.M. Peng and M.E. Conde and G. Ha and C.-J. Jing and W. Liu and J.G. Power and J. Seok and J.H. Shao and J. Shi and E.E. Wisniewski}, % author = {M.M. Peng and M.E. Conde and G. Ha and C.-J. Jing and W. Liu and J.G. Power and others}, % author = {M.M. Peng and others}, title = {{Optimization of a Single-Cell Accelerating Structure for Rf Breakdown Test With Short Rf Pulses}}, booktitle = {Proc. NAPAC'19}, pages = {747--750}, paper = {WEPLM67}, language = {english}, keywords = {accelerating-gradient, acceleration, experiment, collider, linear-collider}, venue = {Lansing, MI, USA}, series = {North American Particle Accelerator Conference}, number = {4}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {10}, year = {2019}, issn = {2673-7000}, isbn = {978-3-95450-223-3}, doi = {10.18429/JACoW-NAPAC2019-WEPLM67}, url = {http://jacow.org/napac2019/papers/weplm67.pdf}, note = {https://doi.org/10.18429/JACoW-NAPAC2019-WEPLM67}, abstract = {RF breakdown is one of the major limitations to achieve high gradient acceleration for future structure-based normal conducting linear colliders. Previous statistic research shows that the breakdown rate is proportional to E_{a}³⁰ * t_{p}⁵, which indicates that the accelerating gradient E_{a} could be improved by using shorter RF pulses (t_{p}). An X-band 11.7~GHz metallic single-cell structure has been designed for RF breakdown study up to 273~MV/m using short pulses (~3ns) generated by a 400~MW power extractor at Argonne Wakefield Accelerator (AWA) facility. The structure has also been scaled to 11.424~GHz for the long pulse (100-1500~ns) breakdown study driven by a klystron and a pulse compressor at Tsinghua X-band High Power Test-stand (TPoT-X), with the gradient up to 246~MV/m with 200~MW input power.}, }