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@inproceedings{moon:ipac2021-tupab138,
author = {K. Moon and M. Chung and P. Muggli},
title = {{Determination of the Phase of Wakefield Driven by a Self-Modulated Proton Bunch in Plasma}},
booktitle = {Proc. IPAC'21},
pages = {1710--1712},
eid = {TUPAB138},
language = {english},
keywords = {plasma, wakefield, electron, proton, emittance},
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-TUPAB138},
url = {https://jacow.org/ipac2021/papers/tupab138.pdf},
note = {https://doi.org/10.18429/JACoW-IPAC2021-TUPAB138},
abstract = {{The phase of wakefield driven by a self-modulated proton bunch depends on the type of seeding method and by the beam-plasma parameters.* Particularly when a preceding electron bunch generates seed wakefield, the proton bunch modulation is strongly affected by the seed bunch dynamics along with the plasma. Intrinsic wakefield dephasing from self-modulation of proton bunch can lead to complex evolution of the bunch and wakefield, making it difficult to design an experimental setup for witness beam injection. Using the particle-in-cell code FBPIC,** we investigate in detail the trends of seed electron and driver proton bunch parameter sensitivity to the phase of wakefield in time in the proton bunch frame. We focus on the parameters affecting the phase of the wakefield through the beam’s radial dynamics, such as beam emittance, radial size, energy, and beam to plasma density ratio. Parameter variations are compared to those in the case of the phase of wakefield driven by a non-evolving seed bunch.}},
}