A systematic study of initial state quark energy loss in fixed target proton nucleus collisions Sourav Kanti Giri, Partha Pratim Bhaduri, Biswarup Paul and Santosh K. Das Eur. Phys. J. C, 85 3 (2025) 264 Published online: 11 March 2025 DOI: 10.1140/epjc/s10052-025-13973-w