Physics Performance of the ATLAS GNN4ITk Track Reconstruction Chain Sylvain Caillou, Paolo Calafiura, Xiangyang Ju, Daniel Murnane, Tuan Pham, Charline Rougier, Jan Stark and Alexis Vallier EPJ Web of Conf., 295 (2024) 03030 Published online: 06 May 2024 DOI: 10.1051/epjconf/202429503030