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@inproceedings{phillips:napac2022-mopa76, author = {C.L. Phillips and B. Leung and X. Lu and P. Piot}, title = {{Wakefield Modeling in Sub-THz Dielectric-Lined Waveguides}}, & booktitle = {Proc. NAPAC'22}, booktitle = {Proc. 5th Int. Particle Accel. Conf. (NAPAC'22)}, pages = {218--221}, eid = {MOPA76}, language = {english}, keywords = {wakefield, simulation, electron, GUI, experiment}, venue = {Albuquerque, NM, USA}, series = {International Particle Accelerator Conference}, number = {5}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {10}, year = {2022}, issn = {2673-7000}, isbn = {978-3-95450-232-5}, doi = {10.18429/JACoW-NAPAC2022-MOPA76}, url = {https://jacow.org/napac2022/papers/mopa76.pdf}, abstract = {{Dielectric-lined waveguides have been extensively studied to potentially support high-gradient acceleration in beam-driven dielectric wakefield acceleration (DWFA) and for beam manipulations. In this paper, we investigate the wakefield generated by a relativistic bunch passing through a dielectric waveguide with different transverse sections. We specifically consider the case of a structure consisting of two dielectric slabs, along with rectangular and square structures. Numerical simulations performed with the fine-difference time-domain of the WarpX program reveal some interesting features of the transverse wake and a possible experiment at the Argonne Wakefield Accelerator (AWA) is proposed.}}, }