Quantum effects on greybody factor via quantum Oppenheimer–Snyder-dS spacetime Zhiwei Lv, Sulaman Shaukat, Orhan Donmez, Faisal Javed and Arfa Waseem Eur. Phys. J. C, 85 7 (2025) 719 Published online: 01 July 2025 DOI: 10.1140/epjc/s10052-025-14434-0