Are there minimal exceptional aGUTs from stable 5D orbifolds? Giacomo Cacciapaglia, Alan S. Cornell, Aldo Deandrea, Wanda Isnard, Roman Pasechnik, Anca Preda and Zhi-Wei Wang Eur. Phys. J. C, 85 5 (2025) 496 Published online: 06 May 2025 DOI: 10.1140/epjc/s10052-025-14215-9