4th European Advanced Accelerator Concepts Workshop

Session

WG1-WG6-WG8 Joint Session - Towards high energies and high qualities

19 Sept 2019, 16:30

SML (Hotel Hermitage)

168. Elimination of Hosing Instability Via Ion Motion in Plasma Wake Field Accelerator

Weiming An (Beijing Normal University)

19/09/2019, 16:30

WG1-WG6-WG8 Joint Session

talk

Hosing instability is the most important instability needs to be controlled when building a future linear collider using plasma based acceleration. The normal method for mitigating the hosing instability requires energy chirps on the beam or longitudinally varying focusing force. However, these methods require additional manipulation on the witness beam, and the beam centroid oscillation...

174. Ion motion and hosing suppression in plasma-based accelerators

Carlo Benedetti (LBNL)

19/09/2019, 16:50

WG1-WG6-WG8 Joint Session

talk

Plasma accelerators have been proposed as drivers for the next generation of colliders. Achieving high efficiency while preserving excellent beam quality (low emittance) is critical to realizing this application. High efficiency requires large longitudinal wakefield excitation by the witness beam, and this has an associated large transverse wakefield that will drive the hosing instability....

210. Scalable laser-plasma acceleration using Traveling-Wave Electron Acceleration

Alexander Debus (Helmholtz-Zentrum Dresden-Rossendorf)

19/09/2019, 17:10

WG1-WG8 Joint Session

talk

While laser-plasma accelerators provide multi-GeV electron beams today, the acceleration to higher energies is limited. The sub-luminal group-velocity of plasma waves let electrons outrun the accelerating field. We present Traveling-Wave Electron Acceleration, a novel compact laser-plasma accelerator scheme which circumvents the LWFA constraints of electron beam dephasing, laser pulse...