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Persistent URL http://purl.org/net/epubs/work/46397229
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Record Id 46397229
Title Seeded Self-Modulation of Transversely Asymmetric Long Proton Beams in Plasma
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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 carefully controlled to saturation. Previous works have modelled this process assuming azimuthal symmetry of the transverse spatial and momentum profiles. In this work, 3D particlein-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.
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Language English (EN)
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Paper In Conference Proceedings In 10th International Particle Accelerator Conference (IPAC2019), Melbourne, Australia, 19-24 May 2019, (2019): 3757-3760. doi:10.18429/JACoW-IPAC2019-THPGW072 2019