Graduate Program in Physics.Özcan, Veysi Erkcan.Çetin, Serkant Ali.Nur, Havva Hasret.2023-03-162023-03-162020.PHYS 2020 N97https://digitalarchive.library.bogazici.edu.tr/handle/123456789/13649In this thesis, the new geometry for RPC detector planned for ATLAS HL-LHC Upgrade is implemented in AMDB and uploaded to the ATLAS Oracle Database in order to form the full ATLAS simulation. The simulation results have been investigated in terms of compatibility to the expectations of new geometry and physics performance. This study shows that the new geometry satisfies the expectation and physics performance.30 cm.Large Hadron Collider (France and Switzerland)xx, 117 leaves ;