Gravitational deflection of massive particles in Schwarzschild-de Sitter spacetime Guansheng He, Xia Zhou, Zhongwen Feng, Xueling Mu, Hui Wang, Weijun Li, Chaohong Pan and Wenbin Lin Eur. Phys. J. C, 80 9 (2020) 835 Published online: 08 September 2020 DOI: 10.1140/epjc/s10052-020-8382-z