Systematic study of proton radioactivity of spherical proton emitters with Skyrme interactions Jun-Hao Cheng, Xiao Pan, You-Tian Zou, Xiao-Hua Li, Zhen Zhang and Peng-Cheng Chu Eur. Phys. J. A, 56 10 (2020) 273 Published online: 26 October 2020 DOI: 10.1140/epja/s10050-020-00280-z