Dresden 2020 – scientific programme

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AKBP: Arbeitskreis Beschleunigerphysik

AKBP 6: New Accelerator Concepts

AKBP 6.4: Talk

Tuesday, March 17, 2020, 10:30–10:45, HSZ 301

External injection plasma wakefield acceleration at FLASHForward — •Sarah Schröder^{1, 2} and on behalf of FLASHForward¹ — ¹Deutsches Elektronen-Synchrotron (DESY), Notkestrasse 85, 22607 Hamburg — ²Universität Hamburg, Mittelweg 177, 20148 Hamburg

Owing to high-gradient accelerating fields (>GV/m), plasma wakefield accelerators (PWFA) have the potential of significantly reducing size and costs of future high-average power accelerator facilities. Acceleration stability and beam quality are largely dependent on the interplay between the parameters of the injected bunch and the structure of the plasma wakefield. Precise control of the bunch profile is essential for maximising the energy transfer efficiency and preserving the energy spread. At FLASHForward, driver/witness bunch pairs of adjustable bunch length and separation are generated by collimators in a dispersive section. Here we present the capabilities of precision measurements at FLASHForward and the latest experimental results.