Mainz 2022 – wissenschaftliches Programm

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AKBP: Arbeitskreis Beschleunigerphysik

AKBP 6: Beam Dynamics 1

AKBP 6.6: Vortrag

Dienstag, 29. März 2022, 15:15–15:30, AKBP-H14

Status of the MESA injector — •Simon Friederich — Institut für Kernphysik, JGU Mainz, Deutschland

The MESA injection system will produce the spin-polarized beam for the upcoming accelerator MESA at the JGU Mainz. The photoemission electron source (STEAM) will deliver 150uA of spin-polarized electrons from GaAs-based photocathodes for the P2 experiment. Afterwards the low-energy beam transportation system (MELBA) can rotate the spin using two Wien filters and a solenoid for polarisation measurements and to compensate for the spin precision in MESA. A chopper and buncher system prepares the phase space for the first acceleration in the normal-conducting pre-booster MAMBO. An additional separation line is designed for polarisation measurements and high bunch charge injection. The overview talk will cover the basic principles and the design of the MESA injector. Particle-in-Cell simulation results with the simulation code OPAL and the status of the build-up in the LINAC tunnel at the "Institut für Kernphysik" will be presented.