Analysis of correlation and ionization from pair distributions in many-electron systems S. López-Rosa, J. C. Angulo, A. L. Martín and J. Antolín Eur. Phys. J. Plus, 136 7 (2021) 763 Published online: 22 July 2021 DOI: 10.1140/epjp/s13360-021-01747-8