Up-down asymmetries of charmed baryon three-body decays Jian-Yong Cen, Chao-Qiang Geng, Chia-Wei Liu and Tien-Hsueh Tsai Eur. Phys. J. C, 79 11 (2019) 946 Published online: 19 November 2019 DOI: 10.1140/epjc/s10052-019-7467-z