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Conference Paper

Seeded Self-Modulation of Transversely Asymmetric Long Proton Beams in Plasma

MPS-Authors

Perera,  Aravinda
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Muggli,  Patric
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Welsch.,  Carsten
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

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Citation

Perera, A., Muggli, P., & Welsch., C. (2019). Seeded Self-Modulation of Transversely Asymmetric Long Proton Beams in Plasma. In IPAC2019 (pp. 3757-3760).


Cite as: https://hdl.handle.net/21.11116/0000-0005-D79B-A
Abstract
The AWAKE experiment at CERN recently demonstrated the world’s first acceleration of electrons in a proton-driven plasma wakefield accelerator*. Such accelerators show great promise for a new generation of linear e-p colliders using ~1-10 GV/m accelerating fields. Effectively driving a wakefield requires 100-fold self-modulation of the 12 cm Super Proton Synchrotron (SPS) proton beam using a plasma-driven process which must be care-fully controlled to saturation. Previous works have modelled this process assuming azimuthal symmetry of the transverse spatial and momentum profiles **, ***. In this work, 3D particle-in-cell simulations are used to model the self-modulation of such non-round beams. Implications of such effects for efficiently sustaining resonant wakefields are examined.