May 7 – 12, 2023
Venice, Italy
Europe/Zurich timezone

Demonstration of transverse stability in an alternating symmetry planar dielectric structure

SUPM058
May 7, 2023, 2:00 PM
4h
Sala Mosaici 2

Sala Mosaici 2

Poster Presentation MC3.A16: Advanced Concepts Student Poster Session

Speaker

Walter Lynn (University of California, Los Angeles)

Description

Dielectric wakefield acceleration (DWA) is a promising approach to particle acceleration, offering high gradients and compact sizes. However, beam instabilities can limit its effectiveness. In this work, we present the result of a DWA design that uses alternating gradients to counteract quadrupole-mode induced instabilities in the drive beam. Through simulation and experimental results, we show that this approach is effective at suppressing beam breakup, allowing for longer accelerating structures.
We have designed and fabricated a new apparatus for positioning the DWA components in our setup. This allows us to precisely and independently control the gap in both transverse dimensions and consequently the strength of the destabilizing fields.
Our results show that the use of alternating gradient structures in DWA can significantly improve its performance, offering a promising path forward for high-gradient particle acceleration.

Funding Agency

DoE SCGSR
DE-SC0017648
DE-SC0018656

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Primary authors

Gerard Andonian (University of California, Los Angeles) James Rosenzweig (University of California, Los Angeles) John Power (Argonne National Laboratory) Nathan Majernik (University of California, Los Angeles) Seongyeol Kim (Argonne National Laboratory) Walter Lynn (University of California, Los Angeles)

Presentation materials

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