Search for a new pseudoscalar decaying into a pair of bottom and antibottom quarks in top-associated production in 
TeV proton–proton collisions with the ATLAS detector
Eur. Phys. J. C, 85 8 (2025) 886
Published online: 19 August 2025
DOI: 10.1140/epjc/s10052-025-14507-0