Size segregation of disk particle in two-dimensional chute Heping Fu, Ping Wu, Shanshan Shi, Mengxiang Jiang, Shiping Zhang and Li Wang Eur. Phys. J. E, 45 6 (2022) 54 Published online: 14 June 2022 DOI: 10.1140/epje/s10189-022-00207-0