Göttingen 2025 – scientific programme

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AKBP: Arbeitskreis Beschleunigerphysik

AKBP 13: Radiofrequency and Instrumentation II

AKBP 13.2: Talk

Friday, April 4, 2025, 11:15–11:30, ZHG004

Lattice Optimization for the MESA Injection and Recirculation Arcs Using ELEGANT. — •Esraa Khidr — Institut für Kernphysik, Mainz, Germany

The Mainz Energy-Recovering Superconducting Accelerator (MESA) is under construction at the Johannes Gutenberg University Mainz. MESA will enable a range of high-precision experiments in particle and nuclear physics through its dual-mode operation: External Beam Mode runs with 150 *A with polarized electrons at 155 MeV and Energy Recovery Linac (ERL) Mode with an unpolarized beam of 1 mA at 105 MeV. This work presents beam dynamics simulations for MESA's injection and recirculation arcs. We optimize the lattice design using the ELEGANT tracking code to achieve dispersion-free and small beta functions within the cryomodule. Additionally, the acceptance of the injection arc has been analyzed to ensure robust beam transport. These simulations are essential for ensuring MESA's successful operation in both modes.