17–23 Sept 2023
Hotel Hermitage, La Biodola Bay, Isola d'Elba, Italy
Europe/Rome timezone

Schemes for Simultaneous Large Transformer Ratio, High Efficiency, Low Energy Spread, High Charge of Accelerated Electron Beams by Tailored Wakefield Plateaus for Long Driver and Witness Bunches

21 Sept 2023, 17:05
20m
Aula Elena (Hotel Hermitage)

Aula Elena

Hotel Hermitage

Oral contribution WG10: ALEGRO towards colliders WG10: ALEGRO towards colliders

Speaker

Ms Diana Shendryk (Ruhr-Universität Bochum and V. N. Karazin Kharkiv National University)

Description

A long driver forming a decelerating plateau in a plasma wakefield is required for maximizing the acceleration efficiency and energy gain of a witness beam. Maximizing the efficiency of the acceleration process by injecting a large witness charge, requires a tailored, long witness beam creating a beam-loaded plateau in the accelerating field. As a consequence, in the case of the highest efficiency, the transformer ratio is typically small (≈ 1). We formulate concepts for the simultaneous increase of the charge of the accelerated electron beams, the transformer ratio, and the efficiency while maintaining a low energy spread and emittance of bunches of accelerated electrons in the blowout regime.

Primary author

Ms Diana Shendryk (Ruhr-Universität Bochum and V. N. Karazin Kharkiv National University)

Co-authors

Roman T. Ovsiannikov (V. N. Karazin Kharkiv National University and NSC Kharkiv Institute of Physics and Technology, Kharkiv, Ukraine) Vasyl I. Maslov (Deutsches Elektronen-Synchrotron DESY, Notkestraße 85, 22607 Hamburg, Germany and NSC Kharkiv Institute of Physics and Technology, Kharkiv, Ukraine) Wim Leemans

Presentation materials