Advancements in the ATLAS Fast Chain for HL-LHC: Towards Efficient MC ProductionFang-Ying Tsai, Martina Javurkova, Liza Mijovic, Rui Wang, Stephen Jiggins and Dmitry ShemyakinEPJ Web Conf., 337 (2025) 01348DOI: https://doi.org/10.1051/epjconf/202533701348