Nuclear modification factor using Tsallis non-extensive statistics Sushanta Tripathy, Trambak Bhattacharyya, Prakhar Garg, Prateek Kumar, Raghunath Sahoo and Jean Cleymans Eur. Phys. J. A, 52 9 (2016) 289 Published online: 21 September 2016 DOI: 10.1140/epja/i2016-16289-4