A new constraint on the Hawking evaporation of primordial black holes in the radiation-dominated era Seyed Sajad Tabasi and Javad T. Firouzjaee Eur. Phys. J. C, 83 4 (2023) 287 Published online: 11 April 2023 DOI: 10.1140/epjc/s10052-023-11379-0