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@inproceedings{mitchell:hb2023-thbp44, author = {C.E. Mitchell and M. Garten and A. Huebl and R. Lehé and J. Qiang and R.T. Sandberg and J.-L. Vay}, % author = {C.E. Mitchell and M. Garten and A. Huebl and R. Lehé and J. Qiang and R.T. Sandberg and others}, % author = {C.E. Mitchell and others}, title = {{ImpactX Modeling of Benchmark Tests for Space Charge Validation}}, % booktitle = {Proc. HB'23}, booktitle = {Proc. 68th Adv. Beam Dyn. Workshop High-Intensity High-Brightness Hadron Beams (HB'23)}, eventdate = {2023-10-09/2023-10-13}, pages = {583--586}, paper = {THBP44}, language = {english}, keywords = {space-charge, focusing, emittance, cavity, proton}, venue = {Geneva, Switzerland}, series = {ICFA Advanced Beam Dynamics Workshop on High-Intensity and High-Brightness Hadron Beams}, number = {68}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {04}, year = {2024}, issn = {2673-5571}, isbn = {978-3-95450-253-0}, doi = {10.18429/JACoW-HB2023-THBP44}, url = {https://jacow.org/hb2023/papers/thbp44.pdf}, abstract = {{The code ImpactX represents the next generation of the particle-in-cell code IMPACT-Z, featuring s-based symplectic tracking with 3D space charge, parallelism with GPU acceleration, adaptive mesh-refinement, and modernized language features. With such a code comes a renewed need for space charge validation using well-defined benchmarks. For this purpose, the code is continuously checked against a test suite of exactly-solvable problems. The suite includes field calculation tests, dynamical tests involving coasting or stationary beams, and beams matched to periodic focusing channels. To study the long-time multi-turn performance of the code in a more complex setting, we investigate problems involving high-intensity storage rings, such as the GSI benchmark problem for space charge induced trapping. Comparisons against existing codes are made where possible.}}, }