A study of critical minima and spin polarization in the e±–Ba elastic scattering Md. Nure Alam Abdullah, Ashok Kumar, Abul Kalam Fazlul Haque and M. Alfaz Uddin Eur. Phys. J. D, 74 12 (2020) 235 Published online: 03 December 2020 DOI: 10.1140/epjd/e2020-10314-2