Calculations of multipole transitions in Sn II for kilonova analysis A. I. Bondarev, J. H. Gillanders, C. Cheung, M. S. Safronova and S. Fritzsche Eur. Phys. J. D, 77 7 (2023) 126 Published online: 03 July 2023 DOI: 10.1140/epjd/s10053-023-00695-5