Electromagnetic heavy-lepton pair production in relativistic heavy-ion collisions M. Y. Şengül, M. C. Güçlü, Ö. Mercan and N. G. Karakuş Eur. Phys. J. C, 76 8 (2016) 428 Published online: 01 August 2016 DOI: 10.1140/epjc/s10052-016-4269-4